Review maps GLP-1 receptor signaling to beta-cell cholesterol efflux
Authors highlight exendin-4 driving ABCA1 transcription via the CaMKK/CaMKIV/PREB axis, linking incretin signaling to cholesterol export and preserved insulin secretion.
PR
By Priya Raman · Science Reporter
Sep 19 20:00 ETSource: International journal of molecular sciences
The wire
- 01The IJMS review compiles preclinical work, mainly with exendin-4 and liraglutide, implicating cAMP/PKA, PI3K/Akt, ERK1/2, AMPK, Nrf2 and autophagy pathways in relief of lipotoxic stress.
- 02It gives clinicians a mechanistic frame for GLP-1 effects beyond appetite and insulin secretion, including liver sinusoidal endothelial GLP-1 receptors in mouse MASH models.
- 03The authors state it is unknown whether the weight-loss-independent hepatic mechanism seen in mice operates in human MASH.
From the source
Read at pubmed.ncbi.nlm.nih.govGLP-1 Receptor Agonists as Molecular Relievers of Lipotoxic Stress: From Pancreatic Beta-Cell Cholesterol Efflux to Systemic and Tissue-Specific Metabolic Protection
International journal of molecular sciences · 2026 Sep 20 · Jiang W, Fukunaga K, Kobayashi T et al.
Source URL https://pubmed.ncbi.nlm.nih.gov/42794805/
