American journal of human biology : the official journal of the Human Biology Council · 2014
Prenatal testosterone of progenitors could be involved in the etiology of both anorexia nervosa and autism spectrum disorders of their offspring.
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Romero-Martínez Angel, Moya-Albiol Luis
Аннотация
OBJECTIVES: High intrauterine testosterone (T) levels seem to play a role in the development of autism spectrum disorders (ASDs), but their role in anorexia nervosa (AN) is controversial. Parents with masculinized 2D:4D ratios, a marker of the organizational effects of T, may have other relevant biological characteristics, in particular exposing their offspring to high T levels in the prenatal environment. This would increase the likelihood of their offspring developing these disorders.
METHODS: The present study examined whether parents of offspring with AN (n=34; mean age= 51) and ASD (n=36; mean age=45) differ from control parents (n=40; mean age=43) in 2D:4D ratio, as well as by salivary T levels and its relationships.
RESULTS: Our results revealed that AN and ASD parents (fathers and mothers) have masculinized 2D:4D ratios of the right hand compared to control parents. However, the difference compared to controls was larger in the ASD than the AN group. Furthermore, current salivary T levels were negatively related to the 2D:4D ratio in ASD and AN parents only.
CONCLUSIONS: Our data partially support the view of high prenatal masculinization as a potential intermediate phenotype to the development of these disorders in their offspring.
METHODS: The present study examined whether parents of offspring with AN (n=34; mean age= 51) and ASD (n=36; mean age=45) differ from control parents (n=40; mean age=43) in 2D:4D ratio, as well as by salivary T levels and its relationships.
RESULTS: Our results revealed that AN and ASD parents (fathers and mothers) have masculinized 2D:4D ratios of the right hand compared to control parents. However, the difference compared to controls was larger in the ASD than the AN group. Furthermore, current salivary T levels were negatively related to the 2D:4D ratio in ASD and AN parents only.
CONCLUSIONS: Our data partially support the view of high prenatal masculinization as a potential intermediate phenotype to the development of these disorders in their offspring.