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Medicina (Buenos Aires)

versão impressa ISSN 0025-7680

Resumo

HEBER, María F et al. The role of prenatal hyperandrogenism on lipid metabolism during adult life in a rat model. Medicina (B. Aires) [online]. 2012, vol.72, n.5, pp. 389-392. ISSN 0025-7680.

Polycystic ovary syndrome (PCOS) is one of the commonest endocrine diseases that affect women in their reproductive ages; however, the etiology of the syndrome remains unknown. A hypothesis proposes that during gestation increased exposure of androgen would induce fetal programming that may increase the risk of PCOS development during the adult life. By means of a prenatally hyperandrogenized (HA) rat model we demonstrated the importance of determining the lipid profile at early ages. HA induced two different phenotypes: ovulatory and anovulatory PCOS. HA did not modify total cholesterol but decreased HDL cholesterol and increased both LDL and tryglicerides (TG) when compared with controls. Both, the ratio total cholesterol: HDL (marker of cardiovascular risk) and TG:HDL (marker of metabolic syndrome) were increased in the HA group with respect to controls. In addition, these abnormalities were stronger in the anovulatory than ovulatory phenotype. Our results point out the need to find early markers of PCOS in girls or adolescents with increased risk to develop PCOS (as in daughters of women with PCOS).

Palavras-chave : Polycystic ovary syndrome; Dyslipidemia; Cholesterol; Triglycerides; Low weight at birth; Obesity.

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