ArticleNature communications2025
Prolonged glucagon exposure rewires lipid oxidation and drives diabetic kidney disease progression.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- ANGPTL4 Exacerbates Renal Injury in Diabetic Kidney Disease by Impairing Podocyte Lipophagy via Compromised Lysosomal Degradative Function.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Isoprenaline alleviates diabetic kidney disease via multi-target inhibition of the cGAS-STING pathway.Bioscience reports · 2026Article
- The expanding landscape of the glucagon signaling network: mechanisms and outcomes.Endocrinology · 2026Review
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Authors and funding
23 authors.
Funding
Abstract
Diabetic kidney disease (DKD) is the leading cause of end-stage kidney disease. Tubular abnormalities may precede glomerular pathology and indicate functional progression of DKD. Here, we find glucagon injection exacerbates lipid accumulation and renal injury, in addition to causing morphological changes in proximal tubules, podocytes, and mitochondria in the early phase of DKD in mice. However, the specific knockdown or knockout of Gcgr in renal tubular epithelial cells almost completely halts DKD development. In contrast to the effect of short-term glucagon stimulation, long-term glucagon exposure leads to the reversal of glucagon action (glucagon reversal) in proximal tubular epithelial cells (PTECs), which is characterized by reduced energy production and an increase in lipogenesis through Gcgr-PKA-Creb-mTORC1 pathway. Accordingly, anti-GCGR antibody treatment strongly blocks the pathogenesis of DKD induced by both type 2 and type 1 diabetes. Thus, our results highlight a previously unrecognized role of glucagon/Gcgr signaling in PTEC lipogenesis and DKD.
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