The Study
Endothelial insulin resistance induced by adrenomedullin mediates obesity-associated diabetes.
This study says that a certain chemical in the blood might be linked to why some overweight people get diabetes, but it was done in mice and test tubes, and we don’t know how the experiment was done — so we can’t say it definitely causes diabetes in people.
Analysis score
Maximum 58 for a case-control study.
Where the score came from
A chemical called adrenomedullin, which goes up when you're obese, blocks insulin's signal in blood vessels. This stops blood flow from increasing when insulin is present, so muscles don't get enough fuel. Removing this block helps insulin work better.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 520 / 100
Quality score
A snapshot of a population at a single point in time. Can identify correlations and prevalence, but cannot determine the direction of cause and effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — if this works in humans, blocking this chemical could help treat type 2 diabetes without needing to lose weight.
- 2Adrenomedullin levels are higher in obese people and mice.
- 3Blocking its receptor in obese mice improved blood flow and insulin response.
- 4Giving adrenomedullin to mice caused insulin resistance even without obesity.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Science
Year
2025
Authors
Haaglim Cho, C. Lai, R. Bonnavion, Mohammad Wessam Alnouri, Shengpeng Wang, Kenneth Anthony Roquid, H. Kawase, D. Campos, Min Chen, Lee S. Weinstein, Alfredo Martínez, Mario Looso, Miloslav Sanda, S. Offermanns
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.