ArticleFrontiers in nutrition2025
Intestinal SURF4 in dyslipidaemia and female-specific metabolic disorders: insights from rats with polycystic ovary syndrome.
Article in Frontiers in nutrition, 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
Background: Polycystic ovary syndrome (PCOS) is a complex endocrine disorder characterized by hyperandrogenism, ovulatory dysfunction, and metabolic disturbances, including dyslipidaemia. Recent studies have suggested that intestinal surfeit locus protein 4 (SURF4) contributes to elevated serum PCSK9 levels and subsequent lipid accumulation, with evidence of sex-specific differences in its expression and regulatory effects. This study aimed to investigate the involvement of intestinal SURF4 in the pathogenesis of PCOS and its potential contribution to metabolic lipid disturbances, as well as to explore lipid-PCOS associations through Mendelian randomization (MR) analysis. Methods: This research established two rat models of PCOS: one by administering letrozole in combination with a high-fat diet (Model, Results: The PCOS rat model exhibited significant upregulation of intestinal SURF4 accompanied by dyslipidaemia and elevated androgen levels. Elevated androgen levels may regulate intestinal SURF4 expression, contributing to disturbances in lipid metabolism. MR analyses indicated that PCOS leads to serum lipid abnormalities rather than vice versa. Conclusion: These findings suggest that intestinal SURF4 may serve as a potential intervention target for improving lipid metabolic disorders associated with PCOS.
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