Influence of having a male twin on body mass index and risk for dyslipidemia in middle-aged and old women

被引:10
|
作者
Alexanderson, C.
Henningsson, S.
Lichtenstein, P. [2 ]
Holmang, A.
Eriksson, E. [1 ]
机构
[1] Univ Gothenburg, Sahlgrenska Acad, Inst Neurosci & Physiol, Dept Pharmacol, SE-40530 Gothenburg, Sweden
[2] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
基金
瑞典研究理事会;
关键词
twins; hormonal programming; body mass index; OPPOSITE-SEX TWINS; SAME-SEX; METABOLIC SYNDROME; INSULIN-RESISTANCE; ANDROGEN EXCESS; TESTOSTERONE; FETAL; EXPOSURE; FEMININITY; BROTHERS;
D O I
10.1038/ijo.2011.18
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Animal experiments suggest that exposure to elevated levels of androgens during development by means of so-called hormonal programming causes metabolic aberrations at adulthood. An indirect strategy to address the possible importance of such an influence also in humans would be to study female dizygotic twins, presuming that those with a twin brotherFdue to diffusion of testosterone-have been exposed to higher androgen levels prenatally. Design: We have compared 8409 women with a male twin with 9166 women with a dizygotic female twin with respect to self-reported indices of anthropometry and metabolic aberrations at age 42 or older. Results: Body mass index (BMI), body weight and rate of dyslipidemia were moderately, but significantly, higher in women from opposite-sexed (OS) twin pairs; splitting for age revealed this difference to be present in those >= 60 years of age only. Conclusion: The results (i) support the notion that comparisons of women with a twin brother with women from same-sexed twin pairs may be used to shed light on possible long-term effects of interindividual variations in early androgen exposure, and (ii) suggest that the effects of early androgen exposure on metabolism previously observed in animal experiments are of relevance also for humans. International Journal of Obesity (2011) 35, 1466-1469; doi:10.1038/ijo.2011.18; published online 8 March 2011
引用
收藏
页码:1466 / 1469
页数:4
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