ArticleExperimental physiology2025
Impaired glucose tolerance and insulin resistance in a prenatally-androgenized rat model of polycystic ovary syndrome in later life.
Article in Experimental physiology, 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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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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Who cites it
3 citing papers in PubMed.
- Evaluation of representativeness and sustainability of PCOS rat models induced by letrozole with or without high-fat diet.Scientific reports · 2025Article
- Impaired glucose tolerance and insulin resistance in a prenatally-androgenized rat model of polycystic ovary syndrome in later life.Experimental physiology · 2025Article
- Research progress on the pathogenesis, clinical impact, and traditional Chinese medicine treatment of polycystic ovary syndrome complicated by insulin resistance.Frontiers in pharmacology · 2025Review
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Authors and funding
5 authors.
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Abstract
Polycystic ovary syndrome (PCOS), one of the most common endocrine disorders in reproductive-aged women, is associated with metabolic disturbances. The present study aimed to examine changes in body weight (BW) and glucose and insulin tolerance in a prenatally-androgenized (PNA) rat model of PCOS compared to control with increasing age. Pregnant rats in the experimental group were subcutaneously injected with 5 mg of free testosterone on the 20th day of pregnancy, while the control group received the solvent. Female offspring of both groups, PNA rats (rat model of PCOS) and control, were examined in terms of changes in BW, glucose and insulin tolerance at 3, 6, 12 and 20 months of age. BW at birth (6.53 ± 0.89 vs. 5.60 ± 1.18 g; P = 0.038), 15 (25 ± 1.15 vs. 22.36 ± 3.98 g; P = 0.019) and 30 (59.37 ± 10.19 vs.49.9 ± 9.39 g; P = 0.022) days of age was significantly increased in the rat model of PCOS compared to control, but no significant differences were observed in BW of the rat model of PCOS compared to control at 60 (P = 0.155) and 75 (P = 0.932) days or at 3 (P = 0.239), 6 (P = 0.782), 12 (P = 0.755) and 20 (P = 0.092) months of age. Rat model of PCOS showed impaired glucose tolerance (IGT) at 3 months of age (P = 0.020) and insulin resistance (IR) with increasing age (3-20 months of age) compared to control. Increased BW before puberty, IGT at 3 months of age and IR with increasing age were observed in our rat model of PCOS. This rat model may contribute to a better understanding of underlying mechanisms of changes in BW, IGT and IR in future studies.
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