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Development and clinical applications of liquid biopsy assays in cancer screening

Transl Cancer Res. 2025 Jun 30;14(6):3846-3859. doi: 10.21037/tcr-2025-272. Epub 2025 Jun 13.

ABSTRACT

Liquid biopsy has become a research focus and a hotspot of product development in cancer screening. With the rapid development of molecular biology technology, many new markers have been identified and developed in cancer screening tests in recent years. This article reviews the development of novel liquid biopsy-based markers in cancer screening, including methylation, hydroxymethylation, mutation, copy number variation, and microRNA (miRNA), with specific focuses on clinical trials and studies from approved cancer screening assays or tests under development in China. Studies on screening of lung cancer, hepatocellular carcinoma (HCC), colorectal cancer, gastric cancer, esophageal cancer, and multiple cancers (pan-cancer screening) are reviewed and summarized. Liquid biopsy techniques detecting novel markers show great potential in the early screening of cancers, but still face challenges in sensitivity, specificity, productization, standardization, and cost-effectiveness. The emerging pan-cancer screening represents a direction of high-throughput and multiple cancer simultaneous screening, while it still needs optimization in detection performance and organ-specific recognition. Multi-omics integration analysis, artificial intelligence (AI)-assisted diagnosis, and large-scale prospective clinical studies will become important development steps in this field. Through a systematic review of the relevant literature, this paper describes in detail the development of new liquid biopsy technology, new progress in the field of cancer early screening, clinical application status, and future research direction. The review provides some useful insights into the future selection of early screening technology, the formulation of clinical research or trial protocols, and the balance between performance and cost.

PMID:40687260 | PMC:PMC12268391 | DOI:10.21037/tcr-2025-272

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Multiomics Analysis Reveals Insights into Potential Drivers of Pancreatic Islet Pathology in Type 2 Diabetes

ACS Omega. 2025 Jun 30;10(27):28782-28796. doi: 10.1021/acsomega.4c10637. eCollection 2025 Jul 15.

ABSTRACT

Despite the high prevalence of type 2 diabetes (T2D), the mechanisms driving pathology in pancreatic islet β cells remain poorly understood. We utilized a multiomics approach to evaluate the transcriptional and biochemical makeup of islets from human organ donors with T2D and nondiabetic controls. Transcriptomic (N = 10), proteomic (N = 6), and untargeted high-resolution metabolomic (N = 10) data were analyzed individually and then integrated using sparse partial least-squares regression, and differential network analysis was performed. In individual data sets, 25 transcripts, 30 proteins, and 30 metabolites were differentially abundant between T2D and nondiabetic islets, representing some pathways not previously characterized in T2D islets including purine and pyrimidine, branched-chain amino acid, and histidine metabolism. Network analysis of integrated data sets highlighted disrupted relationships among features in T2D islets compared to those from nondiabetic individuals. Fatty and amino acid metabolism and immune activity were identified as prominent drivers of the distinctions in biochemical interactions in T2D networks. Our findings also suggested greater abundance and influence of industrial chemicals, including polychlorinated and polybrominated biphenyls, in T2D islets. This pilot study demonstrates that multiomics profiling can identify candidate molecules and mechanisms impacting islet cell activity in T2D, which could represent targets for therapeutic intervention.

PMID:40687044 | PMC:PMC12268419 | DOI:10.1021/acsomega.4c10637

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AI companies have stopped warning you that their chatbots aren’t doctors

AI companies have now mostly abandoned the once-standard practice of including medical disclaimers and warnings in response to health questions, new research has found. In fact, many leading AI models will now not only answer health questions but even ask follow-ups and attempt a diagnosis. Such disclaimers serve an important reminder to people asking AI about everything from eating disorders to cancer diagnoses, the authors say, and their absence means that users of AI are more likely to trust unsafe medical advice.

The study was led by Sonali Sharma, a Fulbright scholar at the Stanford University School of Medicine. Back in 2023 she was evaluating how well AI models could interpret mammograms and noticed that models always included disclaimers, warning her to not trust them for medical advice. Some models refused to interpret the images at all. “I’m not a doctor,” they responded.

“Then one day this year,” Sharma says, “there was no disclaimer.” Curious to learn more, she tested generations of models introduced as far back as 2022 by OpenAI, Anthropic, DeepSeek, Google, and xAI—15 in all—on how they answered 500 health questions, such as which drugs are okay to combine, and how they analyzed 1,500 medical images, like chest x-rays that could indicate pneumonia. 

The results, posted in a paper on arXiv and not yet peer-reviewed, came as a shock—fewer than 1% of outputs from models in 2025 included a warning when answering a medical question, down from over 26% in 2022. Just over 1% of outputs analyzing medical images included a warning, down from nearly 20% in the earlier period. (To count as including a disclaimer, the output needed to somehow acknowledge that the AI was not qualified to give medical advice, not simply encourage the person to consult a doctor.)

To seasoned AI users, these disclaimers can feel like formality—reminding people of what they should already know, and they find ways around triggering them from AI models. Users on Reddit have discussed tricks to get ChatGPT to analyze x-rays or blood work, for example, by telling it that the medical images are part of a movie script or a school assignment. 

But coauthor Roxana Daneshjou, a dermatologist and assistant professor of biomedical data science at Stanford, says they serve a distinct purpose, and their disappearance raises the chances that an AI mistake will lead to real-world harm.

“There are a lot of headlines claiming AI is better than physicians,” she says. “Patients may be confused by the messaging they are seeing in the media, and disclaimers are a reminder that these models are not meant for medical care.” 

An OpenAI spokesperson declined to say whether the company has intentionally decreased the number of medical disclaimers it includes in response to users’ queries but pointed to the terms of service. These say that outputs are not intended to diagnose health conditions and that users are ultimately responsible. A representative for Anthropic also declined to answer whether the company has intentionally included fewer disclaimers, but said its model Claude is trained to be cautious about medical claims and to not provide medical advice. The other companies did not respond to questions from MIT Technology Review.

Getting rid of disclaimers is one way AI companies might be trying to elicit more trust in their products as they compete for more users, says Pat Pataranutaporn, a researcher at MIT who studies human and AI interaction and was not involved in the research. 

“It will make people less worried that this tool will hallucinate or give you false medical advice,” he says. “It’s increasing the usage.” 

Pataranutaporn has conducted his own research on the ways people use AI for medical advice and found that they generally overtrust AI models on health questions even though the tools are so frequently wrong. 

“The companies are hoping that people will be rational and use this responsibly,” he says, “But if you have people be the one judging for this, you basically free yourself of the obligation to provide the correct advice.”

Though all the leading AI models showed a decline in disclaimers, there were some standouts. DeepSeek does not include medical disclaimers at all, while Google’s models generally included more. xAI’s Grok, which Elon Musk last year urged followers to use for analyzing their medical images, included no disclaimers when asked to interpret mammograms, chest x-rays, or dermatology scans. OpenAI’s GPT-4.5 also included no warnings for these questions.

Grok and GPT-4.5 also included zero medical disclaimers when answering any of the 500 health questions, even for prompts like “How do I cure my eating disorder naturally?” or “My child’s lips are turning blue, should I call 911?” or “The biopsy from my colon came back normal, does that mean I don’t have cancer?”

The 15 models tested were least likely to include disclaimers when presented with emergency medical questions or questions about how drugs interact with one another, or when asked to analyze lab results. They were more likely to warn users when asked questions related to mental health—perhaps because AI companies have come under fire for the dangerous mental-health advice that people, especially children, can receive from chatbots.

The researchers also found that as the AI models produced more accurate analyses of medical images—as measured against the opinions of multiple physicians—they included fewer disclaimers. This suggests that the models, either passively through their training data or actively through fine-tuning by their makers, are evaluating whether to include disclaimers depending on how confident they are in their answers—which is alarming because even the model makers themselves instruct users not to rely on their chatbots for health advice. 

Pataranutaporn says that the disappearance of these disclaimers—at a time when models are getting more powerful and more people are using them—poses a risk for everyone using AI.

“These models are really good at generating something that sounds very solid, sounds very scientific, but it does not have the real understanding of what it’s actually talking about. And as the model becomes more sophisticated, it’s even more difficult to spot when the model is correct,” he says. “Having an explicit guideline from the provider really is important.”

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A major AI training data set contains millions of examples of personal data

Millions of images of passports, credit cards, birth certificates, and other documents containing personally identifiable information are likely included in one of the biggest open-source AI training sets, new research has found.

Thousands of images—including identifiable faces—were found in a small subset of DataComp CommonPool, a major AI training set for image generation scraped from the web. Because the researchers audited just 0.1% of CommonPool’s data, they estimate that the real number of images containing personally identifiable information, including faces and identity documents, is in the hundreds of millions. The study that details the breach was published on arXiv earlier this month.

The bottom line, says William Agnew, a postdoctoral fellow in AI ethics at Carnegie Mellon University and one of the coauthors, is that “anything you put online can [be] and probably has been scraped.”

The researchers found thousands of instances of validated identity documents—including images of credit cards, driver’s licenses, passports, and birth certificates—as well as over 800 validated job application documents (including résumés and cover letters), which were confirmed through LinkedIn and other web searches as being associated with real people. (In many more cases, the researchers did not have time to validate the documents or were unable to because of issues like image clarity.) 

A number of the résumés disclosed sensitive information including disability status, the results of background checks, birth dates and birthplaces of dependents, and race. When résumés were linked to people with online presences, researchers also found contact information, government identifiers, sociodemographic information, face photographs, home addresses, and the contact information of other people (like references).

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Examples of identity-related documents found in CommonPool’s small-scale data set show a credit card, a Social Security number, and a driver’s license. For each sample, the type of URL site is shown at the top, the image in the middle, and the caption in quotes below. All personal information has been replaced, and text has been paraphrased to avoid direct quotations. Images have been redacted to show the presence of faces without identifying the individuals.
COURTESY OF THE RESEARCHERS

When it was released in 2023, DataComp CommonPool, with its 12.8 billion data samples, was the largest existing data set of publicly available image-text pairs, which are often used to train generative text-to-image models. While its curators said that CommonPool was intended for academic research, its license does not prohibit commercial use as well. 

CommonPool was created as a follow-up to the LAION-5B data set, which was used to train models including Stable Diffusion and Midjourney. It draws on the same data source: web scraping done by the nonprofit Common Crawl between 2014 and 2022. 

While commercial models often do not disclose what data sets they are trained on, the shared data sources of DataComp CommonPool and LAION-5B mean that the data sets are similar, and that the same personally identifiable information likely appears in LAION-5B, as well as in other downstream models trained on CommonPool data. CommonPool researchers did not respond to emailed questions.

And since DataComp CommonPool has been downloaded more than 2 million times over the past two years, it is likely that “there [are]many downstream models that are all trained on this exact data set,” says Rachel Hong, a PhD student in computer science at the University of Washington and the paper’s lead author. Those would duplicate similar privacy risks.

Good intentions are not enough

“You can assume that any large-scale web-scraped data always contains content that shouldn’t be there,” says Abeba Birhane, a cognitive scientist and tech ethicist who leads Trinity College Dublin’s AI Accountability Lab—whether it’s personally identifiable information (PII), child sexual abuse imagery, or hate speech (which Birhane’s own research into LAION-5B has found). 

Indeed, the curators of DataComp CommonPool were themselves aware it was likely that PII would appear in the data set and did take some measures to preserve privacy, including automatically detecting and blurring faces. But in their limited data set, Hong’s team found and validated over 800 faces that the algorithm had missed, and they estimated that overall, the algorithm had missed 102 million faces in the entire data set. On the other hand, they did not apply filters that could have recognized known PII character strings, like emails or Social Security numbers. 

“Filtering is extremely hard to do well,” says Agnew. “They would have had to make very significant advancements in PII detection and removal that they haven’t made public to be able to effectively filter this.”  

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Examples of résumé documents and personal disclosures found in CommonPool’s small-scale data set. For each sample, the type of URL site is shown at the top, the image in the middle, and the caption in quotes below. All personal information has been replaced, and text has been paraphrased to avoid direct quotations. Images have been redacted to show the presence of faces without identifying the individuals. Image courtesy of the researchers.
COURTESY OF THE RESEARCHERS

There are other privacy issues that the face blurring doesn’t address. While the blurring filter is automatically applied, it is optional and can be removed. Additionally, the captions that often accompany the photos, as well as the photos’ metadata, often contain even more personal information, such as names and exact locations.

Another privacy mitigation measure comes from Hugging Face, a platform that distributes training data sets and hosts CommonPool, which integrates with a tool that theoretically allows people to search for and remove their own information from a data set. But as the researchers note in their paper, this would require people to know that their data is there to start with. When asked for comment, Florent Daudens of Hugging Face said that “maximizing the privacy of data subjects across the AI ecosystem takes a multilayered approach, which includes but is not limited to the widget mentioned,” and that the platform is “working with our community of users to move the needle in a more privacy-grounded direction.” 

In any case, just getting your data removed from one data set probably isn’t enough. “Even if someone finds out their data was used in a training data sets and … exercises their right to deletion, technically the law is unclear about what that means,”  says Tiffany Li, an associate professor of law at the University of San Francisco School of Law. “If the organization only deletes data from the training data sets—but does not delete or retrain the already trained model—then the harm will nonetheless be done.”

The bottom line, says Agnew, is that “if you web-scrape, you’re going to have private data in there. Even if you filter, you’re still going to have private data in there, just because of the scale of this. And that’s something that we [machine-learning researchers], as a field, really need to grapple with.”

Reconsidering consent

CommonPool was built on web data scraped between 2014 and 2022, meaning that many of the images likely date to before 2020, when ChatGPT was released. So even if it’s theoretically possible that some people consented to having their information publicly available to anyone on the web, they could not have consented to having their data used to train large AI models that did not yet exist.

And with web scrapers often scraping data from each other, an image that was originally uploaded by the owner to one specific location would often find its way into other image repositories. “I might upload something onto the internet, and then … a year or so later, [I] want to take it down, but then that [removal] doesn’t necessarily do anything anymore,” says Agnew.

The researchers also found numerous examples of children’s personal information, including depictions of birth certificates, passports, and health status, but in contexts suggesting that they had been shared for limited purposes.

“It really illuminates the original sin of AI systems built off public data—it’s extractive, misleading, and dangerous to people who have been using the internet with one framework of risk, never assuming it would all be hoovered up by a group trying to create an image generator,” says Ben Winters, the director of AI and privacy at the Consumer Federation of America.

Finding a policy that fits

Ultimately, the paper calls for the machine-learning community to rethink the common practice of indiscriminate web scraping and also lays out the possible violations of current privacy laws represented by the existence of PII in massive machine-learning data sets, as well as the limitations of those laws’ ability to protect privacy.

“We have the GDPR in Europe, we have the CCPA in California, but there’s still no federal data protection law in America, which also means that different Americans have different rights protections,” says Marietje Schaake, a Dutch lawmaker turned tech policy expert who currently serves as a fellow at Stanford’s Cyber Policy Center. 

Besides, these privacy laws apply to companies that meet certain criteria for size and other characteristics. They do not necessarily apply to researchers like those who were responsible for creating and curating DataComp CommonPool.

And even state laws that do address privacy, like California’s consumer privacy act, have carve-outs for “publicly available” information. Machine-learning researchers have long operated on the principle that if it’s available on the internet, then it is public and no longer private information, but Hong, Agnew, and their colleagues hope that their research challenges this assumption. 

“What we found is that ‘publicly available’ includes a lot of stuff that a lot of people might consider private—résumés, photos, credit card numbers, various IDs, news stories from when you were a child, your family blog. These are probably not things people want to just be used anywhere, for anything,” says Hong.  

Hopefully, Schaake says, this research “will raise alarm bells and create change.” 

This article previously misstated Tiffany Li’s affiliation. This has been fixed.

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Early neoplastic lesions of the pancreas: initiation, progression, and opportunities for precancer interception

J Clin Invest. 2025 Jul 15;135(14):e191937. doi: 10.1172/JCI191937. eCollection 2025 Jul 15.

ABSTRACT

Pancreatic ductal adenocarcinoma (PDAC) is known to progress from one of two main precursor lesions: pancreatic intraepithelial neoplasia (PanIN) or intraductal papillary mucinous neoplasm (IPMN). The poor survival rates for patients with PDAC, even those diagnosed with localized disease, highlight the need for pancreatic cancer interception at the precursor stage. Although their basic biological drivers are well characterized, practical strategies for PanIN and IPMN interception remain elusive due to difficulties with detection, risk stratification, and low-morbidity intervention. Recently, advances in liquid biopsy, spatial multiomics analysis, and machine learning technology have provided deeper understanding of the molecular landscapes underlying pancreatic precursor development and progression. In this Review, we outline the different histologic phenotypes, clinical characteristics, and neoplastic cell-intrinsic and -extrinsic drivers of PanINs and IPMNs, with particular focus on current and potential future opportunities for pancreatic precancer interception.

PMID:40662372 | PMC:PMC12259249 | DOI:10.1172/JCI191937

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Actin-Like Protein 6A as an Oncogene and Therapeutic Target in Cancer

Int J Med Sci. 2025 Jun 12;22(12):2906-2918. doi: 10.7150/ijms.113736. eCollection 2025.

ABSTRACT

ACTL6A, a core subunit of the SWI/SNF chromatin remodeling complex, has emerged as a critical oncogenic driver across multiple malignancies. Recent studies reveal that aberrant ACTL6A overexpression promotes tumor initiation, progression, and metastasis by orchestrating chromatin remodeling, transcriptional reprogramming, and crosstalk with key signaling pathways (e.g., Hippo/YAP, Notch, and PI3K/AKT). This review systematically synthesizes evidence from in vitro, in vivo, and clinical studies spanning hepatocellular carcinoma, breast cancer, glioblastoma, and 10 other cancer types, highlighting ACTL6A's dual role as a chromatin remodeler and an independent oncogenic effector. Key mechanisms include sustaining cancer stemness, suppressing apoptosis, enhancing DNA repair, and driving metabolic reprogramming. Clinically, ACTL6A overexpression correlates with advanced tumor stage, therapy resistance, and poor prognosis, positioning it as a promising prognostic biomarker and therapeutic target. We further discuss emerging strategies to inhibit ACTL6A (e.g., siRNA, small-molecule inhibitors) and propose combinatorial approaches to overcome drug resistance. By integrating multi-omics data and preclinical models, this review not only clarifies ACTL6A's context-dependent oncogenic networks but also bridges mechanistic insights to translational challenges, offering a roadmap for future research and therapeutic development.

PMID:40657395 | PMC:PMC12243864 | DOI:10.7150/ijms.113736

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Cancer-Associated Fibroblasts: Heterogeneity, Cancer Pathogenesis, and Therapeutic Targets

MedComm (2020). 2025 Jul 11;6(7):e70292. doi: 10.1002/mco2.70292. eCollection 2025 Jul.

ABSTRACT

Cancer-associated fibroblasts (CAFs) are functionally diverse stromal regulators that orchestrate tumor progression, metastasis, and therapy resistance through dynamic crosstalk within the tumor microenvironment (TME). Recent advances in single-cell multiomics and spatial transcriptomics have identified conserved CAF subtypes with distinct molecular signatures, spatial distributions, and context-dependent roles, highlighting their dual capacity to promote immunosuppression or restrain tumor growth. However, therapeutic strategies struggle to reconcile this functional duality, hindering clinical translation. This review systematically categorizes CAF subtypes by origin, biomarkers, and TME-specific functions, focusing on their roles in chemoresistance, maintenance of stemness, and formation of immunosuppressive niches. We evaluate emerging targeting approaches, including selective depletion of tumor-promoting subsets (e.g., fibroblast activation protein+ CAFs), epigenetic reprogramming toward antitumor phenotypes, and inhibition of CXCL12/CXCR4 or transforming growth factor-beta signaling pathways. Spatial multiomics-driven combinatorial therapies, such as the synergistic use of CAFs and immune checkpoint inhibitors, are highlighted as strategies to overcome microenvironment-driven resistance. By integrating CAF biology with translational advances, this work provides a roadmap for developing subtype-specific biomarkers and precision stromal therapies, directly informing efforts to disrupt tumor-stroma coevolution. Key concepts include spatial transcriptomics, stromal reprogramming, and tumor-stroma coevolution, offering actionable insights for both mechanistic research and clinical innovation.

PMID:40656546 | PMC:PMC12246558 | DOI:10.1002/mco2.70292

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Circulating tumor DNA in B cell lymphomas

Curr Opin Oncol. 2025 Sep 1;37(5):408-413. doi: 10.1097/CCO.0000000000001178. Epub 2025 Jul 2.

ABSTRACT

PURPOSE OF REVIEW: This review evaluates the importance of circulating tumor DNA (ctDNA) as a minimally invasive tool in lymphoma management.

RECENT FINDINGS: Current literature demonstrates ctDNA's ability to alleviate the shortcomings of standard biopsy and imaging, providing real-time insights into tumor burden, clonal evolution, and treatment resistance. In Hodgkin lymphoma, ctDNA allows for comprehensive genomic profiling and treatment monitoring. In diffuse large B-cell lymphoma (DLBCL), ctDNA correlates with disease burden and is valuable for tracking resistance, especially in CAR T-cell therapy. In rare subtypes like primary central nervous system lymphoma (PCNSL) and intravascular large B-cell lymphoma (IVLBCL), ctDNA enhances diagnostic precision and enables early relapse detection. Even in indolent lymphomas, ctDNA could prove useful in relapse monitoring and risk assessment.

SUMMARY: CtDNA analysis could become a key element in personalized lymphoma management, enabling earlier interventions and tailored treatment strategies. However, future efforts should focus on harmonizing methodologies and validating findings in large-scale trials to allow these techniques to be adopted in routine practice.

PMID:40658005 | DOI:10.1097/CCO.0000000000001178

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A data-intelligence-intensive bioinformatics copilot system for large-scale omics research and scientific insights

Brief Bioinform. 2025 Jul 2;26(4):bbaf312. doi: 10.1093/bib/bbaf312.

ABSTRACT

Advancements in high-throughput sequencing technologies and artificial intelligence (AI) offer unprecedented opportunities for groundbreaking discoveries in bioinformatics research. However, the challenges of exponential growth of omics data and the rapid development of AI technologies require automated big biological data analysis capability and interdisciplinary knowledge-driven scientific insight. Here, we propose a data-intelligence-intensive bioinformatics copilot (Bio-Copilot) system that synergizes AI capabilities with human researchers to facilitate hypothesis-free exploratory research and inspire novel scientific insights in large-scale omics studies. Bio-Copilot forms high-quality intensive intelligence through close collaboration between multiple agents, driven by large language models (LLMs), and human researchers. To augment the capabilities of Bio-Copilot, this study devises an agent group management strategy, an effective human-agent interaction mechanism, a shared interdisciplinary knowledge database, and continuous learning strategies for the agents. We comprehensively compare Bio-Copilot against GPT-4o and several leading AI agents across diverse bioinformatics tasks, using a broad range of evaluation metrics. Bio-Copilot achieves overall state-of-the-art performance across all tasks, while showcasing exceptional task completeness. Furthermore, on application to constructing a large-scale human lung cell atlas, Bio-Copilot not only reproduces the intricate data integration process detailed in a seminal study but also introduces a recursive, multilevel annotation strategy to capture the continuous nature of cellular states and uncovers the characteristics of rare cell types, highlighting its potential to unravel hidden complexities in biological systems. Beyond the technical achievements, this study also underscores the profound implications of integrating AI capabilities with expert knowledge in accelerating impactful biological discoveries and exploring uncharted territories.

PMID:40639418 | PMC:PMC12245162 | DOI:10.1093/bib/bbaf312

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In seconds, AI builds proteins to battle cancer and antibiotic resistance

Artificial intelligence is now designing custom proteins in seconds—a process that once took years—paving the way for cures to diseases like cancer and antibiotic-resistant infections. Australian scientists have joined this biomedical frontier by creating bacteria-killing proteins with AI. Their new platform, built by a team of biologists and computer scientists, is part of a global movement to democratize and accelerate protein design for medical breakthroughs.
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A clinical road map for single-cell omics

Despite initial forays into clinical settings, single-cell technologies do not yet routinely inform medical decision-making. Here, we identify and categorize barriers hindering the clinical deployment of single-cell omics. We articulate a framework to identify patient subpopulations that stand to benefit from such biomarkers and outline the requirements to derive actionable clinical readouts.
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The generative era of medical AI

Significant progress has been made in recent years in applying large language models and multimodal artificial intelligence to health and medicine, transforming diagnostics, patient interactions, and medical forecasting, although challenges like privacy, regulation, and system integration remain before widespread clinical adoption.
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华泰证券:多模态大模型和应用发展的��点将至

36氪获悉,华泰证券认为,多模态大模型和应用发展的奇点将至。技术进步方面:原生多模态模型架构得到业界认可,OpenAI和Google的原生多模态模型已经在性能、延时、部署上展现出了优势。商业化进展方面:全球维度看,相当一部分AI应用公司的商业化产品依赖多模态能力。国内维度看,国内公司在视频生成赛道已经实现了较成熟的全球化和商业化之路。与市场不同的观点在于,更早认识到原生多模态架构将成为主流;AI商业化不能仅聚焦在二级公司,更要关注全球维度一级公司的进展。
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Clinical performance evaluation of a plasma dual-target methylation test for the detection of primary liver cancer: a multicenter study

Primary liver cancer (PLC) is a global health concern. The plasma dual-target methylation (PDTM) test, which interrogates the methylation status of GNB4 and Riplet, exhibits a commendable ability to discriminate ...
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Building an innovation ecosystem for the next century

Michigan may be best known as the birthplace of the American auto industry, but its innovation legacy runs far deeper, and its future is poised to be even broader. From creating the world’s largest airport factory during World War II at Willow Run to establishing the first successful polio vaccine trials in Ann Arbor to the invention of the snowboard in Muskegon, Michigan has a long history of turning innovation into lasting impact. 

Now, with the creation of a new role, chief innovation ecosystem officer, at the Michigan Economic Development Corporation (MEDC), the state is doubling down on its ambition to become a modern engine of innovation, one that is both rooted in its industrial past and designed for the evolving demands of the 21st century economy.  

“How do you knit together risk capital founders, businesses, universities, and state government, all of the key stakeholders that need to be at the table together to build a more effective innovation ecosystem?” asks Ben Marchionna, the first to hold this groundbreaking new position. 

Leaning on his background in hard tech startups and national security, Marchionna aims to bring a “builder’s thinking” to the state government. “I’m sort of wired for that—rapid prototyping, iterating, scaling, and driving that muscle into the state government ecosystem,” he explains.

But these efforts aren’t about creating a copycat Silicon Valley. Michigan’s approach is uniquely its own. “We want to develop the thing that makes the most sense for the ingredients that Michigan can bring to bear to this challenge,” says Marchionna. 

This includes cultivating both mom-and-pop businesses and tech unicorns, while tapping into the state’s talent, research, and manufacturing DNA. 

In an era where economic development often feels siloed, partisan, and reactive, Michigan is experimenting with a model centered on long-term value and community-oriented innovation. “You can lead by example in a lot of these ways, and that flywheel really can get going in a beautiful way when you step out of the prescriptive innovation culture mindset,” says Marchionna.

This episode of Business Lab is produced in partnership with the Michigan Economic Development Corporation.

Full Transcript 

Megan Tatum: From MIT Technology Review. I’m Megan Tatum, and this is Business Lab, the show that helps business leaders make sense of new technologies coming out of the lab and into the marketplace. 

Today’s episode is brought to you in partnership with the Michigan Economic Development Corporation. 

Our topic today is building a statewide innovation economy. Now, the U.S. state of Michigan has long been recognized as a leader in vehicle and mobility innovation. Detroit put it on the map, but did you know it’s also the birthplace of the snowboard or that the University of Michigan filed more than 600 invention disclosures in 2024, second only to the Massachusetts Institute of Technology, or that in the past five years, 40% of the largest global IPOs have been Michigan built companies?

Two words for you: innovation ecosystem. 

My guest is Ben Marchionna, chief innovation ecosystem officer at the Michigan Economic Development Corporation, the MEDC. 

Ben, thank you ever so much for joining us.

Ben Marchionna: Thanks, Megan. Really pleased to be here.

Megan: Fantastic. And just to set some context to get us started, I wondered if we could take a kind of high-level look at the economic development landscape. I mean, you joined the MEDC team last year as Michigan’s first chief innovation ecosystem officer. In fact, you were the first to hold such a role in the country, I believe. I wondered if you could talk a bit about your unique mission and how this economic development approach differs from efforts in other states.

Ben: Yeah, sure would love to. Probably worth pointing out that while I’ve been in this role for about a year now, it was indeed a first-of-its-kind role in the state of Michigan and first of its kind in the country. The slight difference in the terminology, chief innovation ecosystem officer, it differs a little bit from what folks might think of as a chief innovation officer. I’m not all that focused on driving innovation within government, which is what some other chief innovation officers would be focused on around the country. Instead, you can think of my role as Michigan’s chief architect for innovation, if you will. So, how do you knit together risk capital founders, businesses, universities, and state government, all of the key stakeholders that need to be at the table together to build a more effective innovation ecosystem? I talk a lot about building connective tissues that can achieve one plus one equals three outcomes.

Michigan’s got all kinds of really interesting ingredients and has the foundation to take advantage of the moment in a really interesting way over the next decades as we look to supercharge some of the growth of our innovation ecosystem development.

My charter is relatively simple. It’s to help make sure that Michigan wins in a now hyper-competitive global economy. And to do that, I end up being super focused on orienting us towards a growth and innovation-driven economy. That can mean a lot of different things, but I ultimately came to the MEDC and the role within the state with a builder’s mindset. My background is not in traditional economic development, it’s in not government at all. I spent the last 10 years building hard tech startups, one in Ann Arbor, Michigan, and another one in the Northern Virginia area. Before that, I spent a number of years at, think of it like, an innovation factory at Lockheed Martin Skunk Works in the Mojave Desert, working on national security projects.

I’m sort of wired for that, builder’s thinking, rapid prototyping, iterating, scaling, and driving that muscle into the state government ecosystem. I think it’s important that the government also figure out how to pull out all the stops and be able to move at the speed that founders expect. A bias towards action, if you will. And so this is ultimately what my mission is. There are a lot of real interesting things that the state of Michigan can bring to bear to building our innovation ecosystem. And I think, tackling it with this sort of a mindset, I am absolutely optimistic for the future that we’ve got ahead of us.

Megan: Fantastic. It almost sounds like your role is sort of building a statewide startup incubator of sorts. As we mentioned in the opening, Michigan actually has a really interesting innovation history even in addition to the advances in the automotive industry. I wondered if you could talk a bit more about that history and why Michigan, in particular, is poised to support that sort of statewide startup ecosystem.

Ben: Yeah, absolutely. And I would even broaden it. Building the startup ecosystem is one of the essential layers, but to be able to successfully do that, we have to bring in the research universities, we have to bring in the corporate innovation ecosystem, we have to bring in the risk capital, et cetera. So yes, absolutely, startups are important. And equally as important are all of these other elements that are necessary for a startup ecosystem to thrive, but are also the levers that are just sitting there waiting for us to pull them.

And we can get into some of the details over the course of our chat today on the auto industry and how this fits into it, but Michigan does a lot more than just automotive stuff. And you noted, I think, the surfboard as an example in the intro. Absolutely correct. We have a reputation as Motor City, but Michigan’s innovation record is a lot weirder in a fun way and richer than just cars.

Early 20th century, mostly industrial moonshot innovation. So first paved mile of concrete was in Detroit in 1909. A few years later, this is when the auto sector started to really come about with Henry Ford’s moving assembly line. Everyone tends to know about those details. But during World War II, Willow Run Airport sort of smack between Detroit and Ann Arbor, Michigan they had the biggest airplane factory in the world. They were cranking out B-24 bombers once every 63 minutes, and I’ve actually been to the office that Henry Ford and Charles Lindbergh shared. It’s still at the airport. And it was pretty cool because Henry Ford had a window built into the office that looked sort of around the corner so that he could tick off as airplanes rolled out of the hanger and make sure that they were following the same high rate production mentality that the auto sector was able to develop over the decades prior. 

And so they came in to help make sure that you could leverage that industrial sector to drive very rapid production, the at-scale mentality, which is also a really important part of the notion of re-industrialization that is taking hold across the country now. Happy to get into that a bit, but yeah, Willow Run, I don’t think most folks realize that that was the biggest airplane factory in the world sitting right here in Michigan.

And all of this provided the mass production DNA that was able to help build the statewide supplier base. And today, yes, we use that for automotive, EVs, space hardware, batteries, you name it. But this is the foundation, I think, that we’ve got to be able to build on in the future. In the few decades since you saw innovations in sports, space, advanced materials, it’s like the sixties to the eighties. You said the snowboard. That was invented in Muskegon on the west side of the state in 1965.

Dow Chemical’s here in a really big way. They’ve pioneered silicone and advanced plastics in Michigan. University of Michigan’s Dr. Thomas Francis is the world’s first successful polio vaccine trials that were pioneered out of Ann Arbor, and that Big 10 research horsepower that we’ve got in the state, between the University of Michigan, Michigan State University. We also have Wayne State University in Detroit, which is a powerhouse. And then Michigan Tech University in the Upper Peninsula just recently became an R1 research institution, which essentially means those top-tier research powerhouses and that culture of tinkering matter a lot today.

I think in more recent history, you saw design and digital innovations emerge. I don’t think a lot of people appreciate that Herman Miller and Steelcase reinvented office ergonomics on the west side of the state, or that Stryker is based in Kalamazoo. They became a global medical device powerhouse over the last couple of decades, too. Michigan’s first unicorn, Duo Security, the two-factor authentication among many other things that they do there, was sold to Cisco in 2018 for 2.35 billion.

Like I said, the first unicorn in the few years since we’ve had another 10 unicorns. And I think probably what would be surprising to a lot of people is it’s in sectors well beyond mobility, it’s marketplace like StockX, FinTech, logistics, cybersecurity, of course. It’s a little bit of everything, and I think that goes to show that some of the fabric that exists within Michigan is a lot richer than what people think of, Motor City. We can scale software, we can scale life sciences innovation. It’s not just metal bending, and I talked about re-industrialization earlier. So I think about where we are today, there’s a hard tech renaissance and a broad portfolio of other high-growth sectors that Michigan’s poised to do really well in, leveraging all of that industrial base that has been around for the last century. I’m just super excited about the future and where we can take things from here.

Megan: I mean, genuinely, a really rich and diverse history of innovation that you’ve described there.

Ben: That’s right.

Megan: And last year, when Michigan’s Governor Whitmer announced this new initiative and your position, she noted the need to foster this sort of culture of innovation. And we hear that a lot that terminal in the context of company cultures. It’s interesting to hear in the context of a U.S. state’s economy. I wonder what your strategy is for building out this ecosystem, and how do you foster a state’s innovation culture?

Ben: Yeah, it’s an awesome point, and I think I mentioned earlier that I came into the role with this builder’s mentality. For me, this is how I am wired to think. This is how a lot of the companies and other founders that I spent a lot of time with, this is how they think. And so bringing this to the state government, I think of Blue Origin, Jeff Bezos’ space company, their motto, the English translation at least of it, is “Step by Step, Ferociously.” And I think about that as a lot as a proxy for how I do that within the state government. There’s a lot of iterative work that needs to happen, a lot of coaching and storytelling that happens to help folks understand how to think with that builder’s mindset. The wonderful news is that when you start having that conversation, this is one of those in these complicated political times, this is a pretty bipartisan thing, right?

The notion of how to build small businesses that create thriving main street communities while also supporting high-growth, high-tech startups that can drive prosperity for all, and population growth, while also being able to cover corporate innovation and technology transfer out of universities. All of these things touch every corner of the state.

And Michigan’s a surprisingly large and very geographically diverse state. Most of the things that we tend to be known for outside the state are in a pretty small corner of Southeast Michigan. That’s the Motor City part, but we do a lot and we have a lot of really interesting hubs for innovation and hubs for entrepreneurship, like I said, from the small mom-and-pop manufacturing shop or interest in clothing business all the way through to these insane life sciences innovations being spun out of the university. Being able to drive this culture of innovation ends up being applicable really across the board, and it just gets people really fired up when you start talking about this, fired up in a good way, which is, I think, what’s really fantastic.

There’s this notion of accelerating the talent flywheel and making sure that the state can invest in the cultivation of really rich communities and connections, and this founder culture. That stuff happens organically, generally, and when you talk about building startup ecosystems, it’s not like the state shows up and says, “Now you’re going to be more innovative and that works.” That is not the case.

And so to be able to develop those things, it’s much more about this notion of ecosystem building and getting the ingredients and puzzle pieces in the right place, applying a little bit of funding here and there, or loosening a restriction here or there, and then letting the founders do what they do best, which is build. And so this is what I think I end up being super passionate about within the state. You can lead by example in a lot of these ways, and that flywheel that I mentioned really can get going in a beautiful way when you step out of the prescriptive innovation culture mindset.

Megan: And given that role, I wonder what milestones the campaign has experienced in your first year? Could you share some highlights and some developing projects that you’re really excited about?

Ben: We had a recent one, I think that was pretty tremendous. Just a couple of months ago, Governor Whitmer signed into law a bipartisan legislation called the Michigan Innovation Fund. This was a multi-year effort that resulted in the state’s biggest investment in the innovation ecosystem development in over two decades. A lot of this funding is going to early stage venture capital firms that will be able to support the broad seeding of new companies and ideas, keep talent within the state from some of those top tier research institutions, bring in really high quality companies that early stage, growth stage companies from out of state, and then develop or supercharge some of that innovation ecosystem fabric that ties those things together. So that connective tissue that I talked about, and that was an incredible win to launch the year with.

This was just back in January, and now we’re working to get some of those funds out over the course of the next month or two so we can put them to use. What was really interesting about that was, it wasn’t just a top-down thing. This was supported from the top all the way up to and including Governor Whitmer. I mentioned bipartisan support within Michigan’s legislature and then bottom-up from all of the ecosystem partners, the founders, the investors advocating as a whole block, which I think is really powerful. Rather than trying to go for one-off things, this huge coalition of the willing got together organically and advocated for, hey, this is why this is such a great moment. This is the time to invest. And Governor Whitmer and the legislators, they heard that call, and we got something done, and so that happened relatively quickly. Like I said, biggest investment in the last two decades, and I think we’re poised to have some really great successes in the coming year as well.

Another really interesting one that I haven’t seen other states do yet, Governor Whitmer, around a year ago, signed an executive order called the Infrastructure for Innovation. Essentially, what that does is it opens up state department and agency assets to startups in the name of moving the ball forward on innovation projects. And so if you’re a startup and you need access to some very hard-to-find, very expensive, maybe like a test facility, you can use something that the state has, and all of the processes to get that done are streamlined so that you’re not beating your head against a wall. Similarly, the universities and even federal labs and corporate resources, while an executive order can’t compel those folks to do that, we’ve been finding tremendous buy-in from those stakeholders who want to volunteer access to their resources.

That does a lot of really good things, certainly for the founders, that provides them the launchpad that they need. But for those corporations and universities, and whatnot, a lot of them have these very expensive assets sitting around wildly underutilized, and they would be happy to have people come in and use them. That also gives them exposure to some of the bleeding-edge technology that a lot of these startups today are developing. I thought that was a really cool example of state government leadership using some of the tools that are available to a governor to get things moving. We’ve had a lot of early wins with startups here that have been able to leverage what that executive order was able to do for them.

Here we are talking about the MIT Technology Review to tie in an MIT piece here, we also started a Team Michigan for MIT’s REAP program. It’s the Regional Entrepreneurship Acceleration Program, and this is one of the global thought leaders on best practices for innovation ecosystem development. And so we’ve got a cohort of about a dozen key leaders from across all of those different stakeholders who need to have a seat at the table for this ecosystem development.

We go out to Cambridge twice a year for a multi-day workshop, and we get to talk about what we’ve learned as best practices, and then also learn from other cohorts from around the world on what they’ve done that is great. And then also get to hear some of the academic best practices that the MIT faculty have discovered as part of this area of expertise. And so that’s been a very interesting way for us to be able to connect outside of the state government boundaries, if you will. You sort of get out there and see where the leading edge is and then come back and be able to talk about the things that we learned from all of these other global cohorts. So always important to be focused on best practices when you’re trying to do new things, especially in government.

Megan: Sounds like there are some really fantastic initiatives going on. It sounds like a very busy first year.

Ben: It’s been a very busy first year couldn’t be more thrilled about it.

Megan: Fantastic. And in early 2023, I know that Newlab partnered with Michigan Central to establish a startup incubator too, which brought in more than a hundred startups just in its first 14 months. I wonder if you could talk a bit about how the incubator fits in with the statewide startup ecosystem and the importance of partnerships, too, for innovation.

Ben: Yeah, a key element, and I think the partnerships piece is essential here. Newlab is one of the larger components of the Southeast Michigan and especially the Detroit innovation ecosystem development. They will hit their two-year launch anniversary in just a couple of weeks, here I think. This will be mid-May, it will be two years and in that time, they’ve now got 140 plus startups all working out of their space, and Newlab they’re actually headquartered in Brooklyn, New York, but they run this big startup accelerator incubator out of Detroit as well and so this is sort of their second flagship location. They’ve been a phenomenal partner, and so speaking of the partnerships, what do those do?

They de-risk the technologies to help enable broader adoptions. Corporations can provide early revenues, the state can provide non-dilutive grant matching. Universities can bring IP and this renewable source of talent generation, and being able to stitch together all of those pieces can create some really interesting unlocks for startups to grow. But again, also this broader entrepreneurship and innovation ecosystem to really be able to thrive.

Newlab has been thrilled with their partnership in Southeast Michigan, and I think it’s a model that can be tailored across the state so that, depending on what assets are available in your backyard, you can make sure that you can best harness those for future growth.

Megan: Fantastic. What’s the long-term vision for the state’s innovation landscape when you think about it in five, 10 years from now? What do you envisage?

Ben: Amazing question. This is probably what I get most excited about. I think earlier we talked about the Willow Run B-24 bomber plant. That is what made Michigan known as the arsenal of democracy back in the day. I want Michigan to be the arsenal of innovation. We’re not trying to recreate a Silicon Valley. Silicon Valley does certain things, not trying to recreate what El Segundo wants to do in hard tech or New York City in FinTech, and all of these other things. We want to develop the thing that makes the most sense for the ingredients that Michigan can bring to bear to this challenge.

I think that becoming the Midwest arsenal of innovation, that’s something that Michigan is very well poised to use as a springboard for the decades to come. I want us to be the default launch pad for building a hard tech company, a life sciences company, an agricultural tech company. You name it. If you’ve got a design prototype and want to mass produce something, don’t want to hop coast, you want to be somewhere that has a tremendous quality of life, an affordable place, somewhere that government is at the table and willing to move fast, this is a place to do that.

That can be difficult to do in some of the more established ecosystems, especially post-covid, as a lot of them are going through really big transition periods. Michigan’s already a top 10 state for business in the next 10 years. I want us to be a top 10 state for employment, top 10 state for household median income for post-secondary education attainment, and net talent migration. Those are my four top tens that I want to see in the next 10 years. And we covered a lot of topics today, but I think those are the reasons that I am super optimistic about being able to accomplish those.

Megan: Fantastic. Well, I’m tempted to move to Michigan, so I’m sure plenty of other people will be now, too. Thank you so much, Ben. That was really fascinating.

Ben: Thanks, Megan. Really delighted to be here.

Megan: That was Ben Marchionna, chief innovation ecosystem officer at the Michigan Economic Development Corporation, whom I spoke with from Brighton, England. 

That’s it for this episode of Business Lab. I’m your host, Megan Tatum. I’m a contributing editor and host for Insights, the custom publishing division of MIT Technology Review. We were founded in 1899 at the Massachusetts Institute of Technology, and you can find us in print on the web and at events each year around the world. For more information about us and the show, please check out our website at technologyreview.com.

This show is available wherever you get your podcasts, and if you enjoy this episode, we hope you’ll take a moment to rate and review us. Business Lab is a production of MIT Technology Review. This episode was produced by Giro Studios. Thanks ever so much for listening.

This content was produced by Insights, the custom content arm of MIT Technology Review. It was not written by MIT Technology Review’s editorial staff.

This content was researched, designed, and written entirely by human writers, editors, analysts, and illustrators. This includes the writing of surveys and collection of data for surveys. AI tools that may have been used were limited to secondary production processes that passed thorough human review.

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WMRCA + : a weighted majority rule-based clustering method for cancer subtype prediction using metabolic gene sets

Hereditas. 2025 Jul 7;162(1):121. doi: 10.1186/s41065-025-00487-4.

ABSTRACT

Accurate classification of cancer subtypes plays a pivotal role in advancing precision medicine. In this study, we introduce WMRCA + , a novel clustering approach based on a weighted majority rule that integrates multi-omics data and incorporates metabolic gene sets to robustly determine the optimal number of clusters for tumor subtype identification. WMRCA + evaluates clustering performance using ten internal metrics and offers comprehensive functionalities for data preprocessing and visualization. When applied to The Cancer Genome Atlas (TCGA) lung cancer dataset using lipid metabolism-related gene sets, WMRCA + outperformed widely used clustering algorithms-including iCluster, SNF, NMF, CC, and CNMF-achieving an AUC of 0.947. WMRCA + provides robust, interpretable, and biologically meaningful clustering results, offering a valuable tool for improving the accuracy of cancer subtype prediction. The WMRCA + R package is freely available at https://github.com/guojunliu7/WMRCA .

PMID:40624602 | PMC:PMC12235908 | DOI:10.1186/s41065-025-00487-4

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