ArticleScientific reports2025
Matrix metalloproteinase-2 as a novel regulator of glucose utilization by adipocytes.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
- In Silico and In Vitro Evaluation of δ-cadinene fromCancers · 2025Article
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8 authors.
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Abstract
Glucose transporter 4 (GLUT4) expression on white adipocytes is critical for facilitating cellular uptake of blood glucose, failure of which promotes hyperglycemia. Matrix metalloproteinases (MMPs) play a crucial role in remodeling the white adipose tissue (WAT) during obesity. MMPs have multiple protein substrates, and surprisingly, it is unknown if they can directly target GLUT4 on the adipocyte surface and impair glucose uptake. We identified MMP2 as the highly active gelatinase, a class of MMP, in the gonadal WAT of high-fat diet-induced obese mice. In vitro, metabolic studies in 3T3-L1 adipocytes revealed MMP2 attenuated glucose uptake and glycolysis, which were recovered by an MMP2 inhibitor. In silico structural Analysis using AlphaFold identified a putative MMP2 cleavage site on the extracellular domain of GLUT4. Further, in a substrate competition assay, a peptide mimicking the MMP2 cleavage site on GLUT4 attenuated the cleavage of an MMP substrate by MMP2. Altogether, our results suggest a novel mechanism of impaired glucose utilization by adipocytes, which may contribute to hyperglycemia during obesity.
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