ArticleToxicology research2025
Abnormal chenodexycholic acid metabolism programming promotes cartilage matrix degradation in male adult offspring rats induced by prenatal caffeine exposure.
Article in Toxicology research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Epidemiological evidence links osteoarthritis to fetal origins. Our study shows prenatal caffeine exposure (PCE) in rats predisposes adult offspring to osteoarthritis, associated with elevated intrauterine glucocorticoid levels. Previous research indicates that chenodeoxycholic acid (CDCA), a bile acid, can slow osteoarthritis progression when administered intra-articularly. This study explored if disrupted bile acid metabolism in cartilage affects osteoarthritis risk in adult offspring with PCE. Our findings indicate that the expression of MMP3/MMP13 was upregulated, while endogenous CDCA levels were reduced in the cartilage of PCE-exposed offspring. Furthermore, we observed a persistent reduction in H3K27ac levels at the CYP7B1 promoter and its expression in the cartilage of PCE offspring from fetus to adulthood. Moreover, a sub-physiological level of CDCA promoted NF-κB phosphorylation and the expression of MMP3/MMP13 in chondrocytes
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