ClearMed
EndocrinologyPreclinical3 min read

AI-guided discovery and expansion of the human bile acid landscape

However, the human bile acid metabolome remains largely uncharted, with analytical limitations obscuring potentially thousands of biologically active species present in cells and biofluids.

Published in Cell MetabolismLab cell study
2/5 Preclinical
Evidence Meter · 2/5

Animal & Preclinical Data

Demonstrated in living animal models before large-scale human safety and dosing trials begin.

Source

Animal & Preclinical Data

2/5

This work expands the searchable bile acid metabolome and provides a computational framework for systematic metabolite discovery.

What Changes?

Endocrinology · Preclinical

Current Standard

Existing endocrinology care has lacked direct translational evidence targeting stem cells · receptor targeting · ai model.

New Finding

In vitro functional validation showed that MS2141 modulates M2 receptor-associated Gi/o signaling and alters electrophysiological parameters in human induced pluripotent stem cell-derived cardiomyocytes.

3 Key Takeaways

Plain English Summary
  1. 01Core Finding

    Here, we present MetLLM, a transformer-based language model that learns bile acid modification patterns to prioritize candidate bile acid analogs, and MetSpace, an in silico bile acid chemical landscape containing 3,900 prioritized candidates.

  2. 02Study Evidence

    Tested in a laboratory experimental model (preclinical discovery) at the preclinical stage.

  3. 03Practical Meaning

    Early laboratory or animal model findings — human trials are still needed to confirm safety and benefit.

What This Means for You

In vitro functional validation showed that MS2141 modulates M2 receptor-associated Gi/o signaling and alters electrophysiological parameters in human induced pluripotent stem cell-derived cardiomyocytes. This work expands the searchable bile acid metabolome and provides a computational framework for systematic metabolite discovery.

The Discovery

Bile acids represent one of nature's most chemically diverse and therapeutically important metabolite families. However, the human bile acid metabolome remains largely uncharted, with analytical limitations obscuring potentially thousands of biologically active species present in cells and biofluids. Here, we present MetLLM, a transformer-based language model that learns bile acid modification patterns to prioritize candidate bile acid analogs, and MetSpace, an in silico bile acid chemical landscape containing 3,900 prioritized candidates. Liquid chromatography-high resolution mass spectrometry analysis of human feces confirmed multiple newly detected and structurally novel bile acids, including MS2141 and MS1281.

How It Works, Simply

This endocrinology research focuses on stem cells · Receptor targeting · AI model. Researchers evaluated it using a laboratory experimental model (Preclinical discovery) at the preclinical stage of medical research.

3 Key Takeaways

Clinical Takeaways
  1. 01Core Finding

    Here, we present MetLLM, a transformer-based language model that learns bile acid modification patterns to prioritize candidate bile acid analogs, and MetSpace, an in silico bile acid chemical landscape containing 3,900 prioritized candidates.

  2. 02Study Evidence

    Tested in a laboratory experimental model (preclinical discovery) at the preclinical stage.

  3. 03Practical Meaning

    Early laboratory or animal model findings — human trials are still needed to confirm safety and benefit.

01

Biological Mechanism & Study Design

Study Design & Cohort

Lab cell study

Laboratory experimental model (Preclinical discovery) · Preclinical

Biological Pathway & Modality

Stem cells · Receptor targeting · AI model

Intervention: AI-guided discovery and expansion of the human bile acid landscape

02

Experimental Findings & Endpoints

Bile acids represent one of nature's most chemically diverse and therapeutically important metabolite families.

However, the human bile acid metabolome remains largely uncharted, with analytical limitations obscuring potentially thousands of biologically active species present in cells and biofluids. Here, we present MetLLM, a transformer-based language model that learns bile acid modification patterns to prioritize candidate bile acid analogs, and MetSpace, an in silico bile acid chemical landscape containing 3,900 prioritized candidates.

Liquid chromatography-high resolution mass spectrometry analysis of human feces confirmed multiple newly detected and structurally novel bile acids, including MS2141 and MS1281.

03

Clinical Translation & Practice Context

In vitro functional validation showed that MS2141 modulates M2 receptor-associated Gi/o signaling and alters electrophysiological parameters in human induced pluripotent stem cell-derived cardiomyocytes.

This work expands the searchable bile acid metabolome and provides a computational framework for systematic metabolite discovery.

03

The Bottom Line · Clinical Pearl

“This work expands the searchable bile acid metabolome and provides a computational framework for systematic metabolite discovery.”

Published in Cell Metabolism · Current Stage: Preclinical

Endocrinology · Preclinical
Study Type
Lab cell study

Laboratory experimental model (Preclinical discovery)

Evidence Score
2/5 · Animal & Preclinical Data
Evidence Meter · 2/5

Animal & Preclinical Data

Demonstrated in living animal models before large-scale human safety and dosing trials begin.

Demonstrated in living animal models before large-scale human safety and dosing trials begin.

Who It Applies To
Preclinical research (Laboratory experimental model (Preclinical discovery)) — not yet tested in human patients
Intervention & Mechanism
AI-guided discovery and expansion of the human bile acid landscape

Stem cells · Receptor targeting · AI model

Key Limitation
Early laboratory or animal model findings — human trials are still needed to confirm safety and benefit.

Translational Stage

LEVEL 3 · Preclinical

Classified as Lab cell study along the clinical evidence continuum

  1. 1PreclinicalActive
  2. 2Early Trials
  3. 3Human Evidence
  4. 4Meta & Practice

Indexed Clinical Entities

Original Publication & AMA Citation

AI-guided discovery and expansion of the human bile acid landscape. Cell Metabolism. Published 2026;Oct 27. Accessed November 15, 2026. https://pubmed.ncbi.nlm.nih.gov/42945968/

Cell Metabolism

https://pubmed.ncbi.nlm.nih.gov/42945968/

Read Original Paper

Continue Reading

Related in Endocrinology

View all Endocrinology briefings →
ENDOCRINOLOGY · CLINICAL PRACTICE

Ozempic in Pregnancy: Diabetes, Not Drug, Linked to Early Births?

The reason you're taking Ozempic or Wegovy matters during pregnancy, with underlying diabetes potentially posing a greater risk than the medication itself. This study challenges the previously held, often generalized, assumption that GLP-1 medications alone are responsible for pregnancy complications.

3/5 Observational
Evidence Meter · 3/5

Real-World Observation

Finds meaningful patterns in human health records or cohorts, though observational data cannot prove direct cause.

1 min readScienceDaily
ENDOCRINOLOGY · REAL-WORLD COHORT

Clinical Guidance for Disease-Modifying Immunotherapy in Children and Adolescents With New-Onset (Stage 3) Type 1 Diabetes

Teplizumab-specific recommendations are identified, with broader principles framed for adaptation across health systems. This article addresses who should lead care, how to approach eligibility and timing, how to assess β-cell reserve and infection risk, how to sequence treatment with diabetic ketoacidosis recovery and early education, and how to monitor treatment safely.

3/5 Observational
Evidence Meter · 3/5

Real-World Observation

Finds meaningful patterns in human health records or cohorts, though observational data cannot prove direct cause.

1 min readDiabetes Care
ENDOCRINOLOGY · REAL-WORLD COHORT

Transient Cognitive Vulnerability After Hypoglycemia in Adults With Type 1 Diabetes: Evidence From Continuous Glucose Monitoring and Cognitive Ecologic Momentary Assessment

Hypoglycemia was associated with a transient period of cognitive vulnerability largely confined to the hour after an event, with little evidence of delayed effects. Findings support avoiding or exercising caution during cognitively demanding tasks for up to an hour after a hypoglycemic event.

3/5 Observational
Evidence Meter · 3/5

Real-World Observation

Finds meaningful patterns in human health records or cohorts, though observational data cannot prove direct cause.

1 min readDiabetes Care