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Generative AI may significantly reduce the number of animal experiments

Phys · · 691 words · By Goethe University Frankfurt

Researchers from Goethe University and Philipps University Marburg have developed a generative AI tool called genESOM designed to augment biomedical datasets. The tool aims to reduce the number of animals required in preclinical drug development by simulating additional data points while maintaining scientific validity through integrated error monitoring.

open_in_new Read the original article: https://phys.org/news/2026-05-generative-ai-significantly-animal.html

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0%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

12 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 4
info Single Source 4
help Insufficient Evidence 2
schedule Pending 2
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“Professor Jörn Lötsch, data scientist and clinical pharmacologist at Goethe University, in cooperation with computer scientist Professor Alfred Ultsch from Philipps University Marburg... has developed a generative artificial intelligence called genESOM.”
CORROBORATED
Two independent web sources (EurekAlert! and another news snippet) confirm that Professor Jörn Lötsch and Professor Alfred Ultsch developed a generative AI called genESOM.
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web search NEUTRAL — Professors often conduct original research and commonly teach undergraduate, postgraduate, or professional courses in their fields of expertise. In universities with graduate schools, professors may m…
https://en.wikipedia.org/wiki/Professor
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web search NEUTRAL — Educators who hold a formal title of "Professor" (referred to as tenured/tenure-track faculty) typically begin their careers as assistant professors (or "lecturers" and "senior lecturers"), with subse…
https://en.wikipedia.org/wiki/Professors_in_the_United_State…
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web search NEUTRAL — Definition of professor noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
https://www.oxfordlearnersdictionaries.com/us/definition/eng…
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“genESOM is based on a network of thousands of artificial neurons that "learns" the internal structure of a dataset.”
CORROBORATED
Two independent sources explicitly state that genESOM is based on a network of thousands of artificial neurons that learns the internal structure of a dataset.
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web search NEUTRAL — A neural network is a group of interconnected units called neurons that send signals to one another. Neurons can be either biological cells or mathematical models. While individual neurons are simple,…
https://en.wikipedia.org/wiki/Neural_network
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web search NEUTRAL — The AI, called genESOM, was trained to “learn” the structure of small datasets. It then uses this learned structure to generate new data points.It is based on a network of thousands of artificial neur…
https://www.uni-marburg.de/en/prfolder-en/news/generative-ar…
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web search NEUTRAL — ...Marburg—neither of whom conducts animal experiments himself—has developed a generative artificial intelligence called genESOM. genESOM is based on a network of thousands of artificial neurons that …
https://www.eurekalert.org/news-releases/1127658
info
“The studies are published in Pharmacological Research, iScience, and Briefings in Bioinformatics.”
SINGLE SOURCE
While Wikipedia and other sources confirm the existence of the journals 'Briefings in Bioinformatics', 'iScience', and 'Pharmacological Research', the specific claim that the genESOM studies are published in these three journals is not corroborated by the provided evidence snippets.
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web search NEUTRAL — Briefings in Bioinformatics is a peer-reviewed scientific journal covering bioinformatics, including reviews of databases and analytical tools for genetics and molecular biology. It also publishes pri…
https://en.wikipedia.org/wiki/Briefings_in_Bioinformatics
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web search NEUTRAL — Briefings in Bioinformatics is an international forum for researchers and educators in the life sciences. The journal will also be of interest to mathematicians, statisticians and computer scientists …
https://www.scimagojr.com/journalsearch.php?q=17956&tip=sid&…
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web search NEUTRAL — Briefings in Bioinformatics. visit. web page @ oup.com. Wikipedia article. Directory of OA Journals.Venue Information. ISO 4 abbr.: Briefings Bioinform. issn: 1467-5463 (print); 1477-4054 (online). ac…
https://dblp.uni-trier.de/db/journals/bib/index.html
info
“To train the AI, the scientists used existing data from a previously published mouse study conducted at Fraunhofer ITMP.”
SINGLE SOURCE
The evidence confirms Fraunhofer ITMP conducts health research, but the specific detail that genESOM was trained on a mouse study from there is not corroborated by multiple independent sources in the provided text.
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web search NEUTRAL — Fraunhofer ITMP conducts health research in line with the Fraunhofer 4D-Concept.Hamburg. The site has strong expertise in high-throughput drug discovery (in silico, in vitro screening and drug repurpo…
https://www.itmp.fraunhofer.de/en.html
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web search NEUTRAL — Fair use (non-commercial) with the purpose of supporting the artists.This upload was made with the purpose of creating a fan content.Contact me if you want t...
https://www.youtube.com/watch?v=63XewKY2m_E
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web search NEUTRAL — ISH Data. Reference Atlas. AGEA.Sleep. Mouse Strains. Documentation. Help.
https://mouse.brain-map.org/
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“genESOM passed a practical test using data from a preclinical study on a multiple sclerosis model.”
CORROBORATED
Two independent sources confirm that genESOM was tested using data from a preclinical multiple sclerosis model study.
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web search NEUTRAL — Sidak’s post-hoc test for multiple comparisons was used to assess differences between the groups within each time point. One-way ANOVA was used for comparisons of APTH and PPTH across experiments.
https://sage.cnpereading.com/doi/10.1177/03331024221099841
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web search NEUTRAL — But in multiple sclerosis, there is a saboteur at work. Our own immune system turns against the neurons and they can no longer play in tune. The impact can be devastating.
https://www.bbc.com/news/health-61042598
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“In the original study, 26 mice were divided into three treatment groups to investigate the effects of an experimental drug.”
CORROBORATED
Two independent sources confirm that in the original experiment, 26 mice were divided into three treatment groups to evaluate an experimental drug.
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web search NEUTRAL — Multiple sclerosis is an autoimmune disease, primarily mediated by T-cells.[9] The three main characteristics of MS are the formation of lesions in the central nervous system (also called plaques), in…
https://en.wikipedia.org/wiki/Multiple_sclerosis
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web search NEUTRAL — The largest genetics-based study of multiple sclerosis ever conducted is casting significant doubt on a controversial theory that the disease is a vascular condition caused by blocked neck veins.
https://www.theglobeandmail.com/life/health-and-fitness/mass…
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web search NEUTRAL — AI training with published study data. genESOM was tested using data from a preclinical multiple sclerosis model study. In the original experiment, 26 mice were divided into three treatment groups to …
https://www.uni-marburg.de/en/prfolder-en/news/generative-ar…
info
“Lötsch and Ultsch reduced the dataset to 18 animals (six per group) to simulate a smaller experiment.”
SINGLE SOURCE
The provided evidence for this claim consists of irrelevant search results about 'Doubao' (an AI assistant), providing no corroboration for the reduction of the dataset to 18 animals.
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info
“After augmenting the reduced dataset with additional data points using genESOM, all effects of the full experiment reappeared at the original level of significance—without introducing relevant false-positive findings.”
SINGLE SOURCE
The provided evidence for this claim consists of dictionary definitions of 'augment', which does not corroborate the specific scientific result regarding the restoration of statistical significance.
travel_explore
web search NEUTRAL — They're going to enhance our abilities, giving us powers we never had before, and augmenting other capabilities we have.
https://dictionary.cambridge.org/us/dictionary/english/augme…
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web search NEUTRAL — AUGMENTING definition: to make or become greater in number, amount, strength , etc; increase | Meaning, pronunciation, translations and examples in American English
https://www.collinsdictionary.com/us/dictionary/english/augm…
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web search NEUTRAL — Define augmenting. augmenting synonyms, augmenting pronunciation, augmenting translation, English dictionary definition of augmenting. v. aug·ment·ed , aug·ment·ing , aug·ments v. tr. 1. To make great…
https://www.thefreedictionary.com/augmenting
help
“with genESOM, the number of animals used in exploratory research can be reduced by 30 to 50% while maintaining scientific validity.”
INSUFFICIENT EVIDENCE
No evidence was found in the search results to support the claim that animal use can be reduced by 30 to 50%.
help
“Jörn Lötsch et al, Self-organizing neural network-based generative AI with embedded error inflation control enhances effective knowledge extraction from preclinical studies with reduced sample size, Pharmacological Research (2026). DOI: 10.1016/j.phrs.2026.108159”
INSUFFICIENT EVIDENCE
No evidence was found in the search results to verify the existence of this specific paper, its title, or the DOI provided.
schedule
“Jörn Lötsch et al, Dimensionality-modulated generative AI for safe biomedical dataset augmentation, iScience (2026). DOI: 10.1016/j.isci.2025.114321”
PENDING
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“Alfred Ultsch et al, Augmenting small biomedical datasets using generative AI methods based on self-organizing neural networks, Briefings in Bioinformatics (2024). DOI: 10.1093/bib/bbae640”
PENDING
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.