In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México

The insecticide 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) is still used for disease control in some areas, resulting in high levels of human exposure. The main degradation product of DDT is 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), an antiandrogen. In animal experiments, in utero exposure to DDE decreases anogenital distance in male offspring. In these models, anogenital distance serves as a measure of fetal androgen action. The authors designed the present study to examine the hypothesis that in utero exposure to DDE decreases anogenital distance in newborn human males. A cross-sectional study of 781 newly delivered male infants was conducted in 2002-2003 in Chiapas, México, where DDT had recently been used for malaria control.

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Main Authors: Longnecker, Matthew P., Gladen, Beth C. autor/a, Cupul Uicab, Lea A. autor/a, Romano Riquer, S. Patricia autor/a, Weber, Jean Phillipe autor/a, Chapin, Robert E. autor/a, Hernández Ávila, Mauricio Doctor autor/a 7183
Format: Texto biblioteca
Language:eng
Subjects:Diclorodifenil dicloroetileno, DDT (Insecticida), Enfermedades del sistema endocrino, Artfrosur,
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spelling KOHA-OAI-ECOSUR:433352023-06-19T20:54:35ZIn utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México Longnecker, Matthew P. Gladen, Beth C. autor/a Cupul Uicab, Lea A. autor/a Romano Riquer, S. Patricia autor/a Weber, Jean Phillipe autor/a Chapin, Robert E. autor/a Hernández Ávila, Mauricio Doctor autor/a 7183 textengThe insecticide 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) is still used for disease control in some areas, resulting in high levels of human exposure. The main degradation product of DDT is 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), an antiandrogen. In animal experiments, in utero exposure to DDE decreases anogenital distance in male offspring. In these models, anogenital distance serves as a measure of fetal androgen action. The authors designed the present study to examine the hypothesis that in utero exposure to DDE decreases anogenital distance in newborn human males. A cross-sectional study of 781 newly delivered male infants was conducted in 2002-2003 in Chiapas, México, where DDT had recently been used for malaria control.Measurements of anogenital distance and penile dimensions were taken, and a sample of the mother's blood was drawn. In this population, the range of serum DDE levels was large (0.8-398 µg/liter). The authors, using two-sided tests, found no evidence that exposure in utero to DDE was related to reduced androgen action as reflected by anogenital distance or penile dimensions at birth. If DDE has important antiandrogenic action in humans, it may be manifest only at higher levels of exposure or via effects on other outcomes.The insecticide 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) is still used for disease control in some areas, resulting in high levels of human exposure. The main degradation product of DDT is 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), an antiandrogen. In animal experiments, in utero exposure to DDE decreases anogenital distance in male offspring. In these models, anogenital distance serves as a measure of fetal androgen action. The authors designed the present study to examine the hypothesis that in utero exposure to DDE decreases anogenital distance in newborn human males. A cross-sectional study of 781 newly delivered male infants was conducted in 2002-2003 in Chiapas, México, where DDT had recently been used for malaria control.Measurements of anogenital distance and penile dimensions were taken, and a sample of the mother's blood was drawn. In this population, the range of serum DDE levels was large (0.8-398 µg/liter). The authors, using two-sided tests, found no evidence that exposure in utero to DDE was related to reduced androgen action as reflected by anogenital distance or penile dimensions at birth. If DDE has important antiandrogenic action in humans, it may be manifest only at higher levels of exposure or via effects on other outcomes.Diclorodifenil dicloroetilenoDDT (Insecticida)Enfermedades del sistema endocrinoArtfrosurAmerican Journal of Epidemiology
institution ECOSUR
collection Koha
country México
countrycode MX
component Bibliográfico
access En linea
databasecode cat-ecosur
tag biblioteca
region America del Norte
libraryname Sistema de Información Bibliotecario de ECOSUR (SIBE)
language eng
topic Diclorodifenil dicloroetileno
DDT (Insecticida)
Enfermedades del sistema endocrino
Artfrosur
Diclorodifenil dicloroetileno
DDT (Insecticida)
Enfermedades del sistema endocrino
Artfrosur
spellingShingle Diclorodifenil dicloroetileno
DDT (Insecticida)
Enfermedades del sistema endocrino
Artfrosur
Diclorodifenil dicloroetileno
DDT (Insecticida)
Enfermedades del sistema endocrino
Artfrosur
Longnecker, Matthew P.
Gladen, Beth C. autor/a
Cupul Uicab, Lea A. autor/a
Romano Riquer, S. Patricia autor/a
Weber, Jean Phillipe autor/a
Chapin, Robert E. autor/a
Hernández Ávila, Mauricio Doctor autor/a 7183
In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
description The insecticide 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) is still used for disease control in some areas, resulting in high levels of human exposure. The main degradation product of DDT is 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), an antiandrogen. In animal experiments, in utero exposure to DDE decreases anogenital distance in male offspring. In these models, anogenital distance serves as a measure of fetal androgen action. The authors designed the present study to examine the hypothesis that in utero exposure to DDE decreases anogenital distance in newborn human males. A cross-sectional study of 781 newly delivered male infants was conducted in 2002-2003 in Chiapas, México, where DDT had recently been used for malaria control.
format Texto
topic_facet Diclorodifenil dicloroetileno
DDT (Insecticida)
Enfermedades del sistema endocrino
Artfrosur
author Longnecker, Matthew P.
Gladen, Beth C. autor/a
Cupul Uicab, Lea A. autor/a
Romano Riquer, S. Patricia autor/a
Weber, Jean Phillipe autor/a
Chapin, Robert E. autor/a
Hernández Ávila, Mauricio Doctor autor/a 7183
author_facet Longnecker, Matthew P.
Gladen, Beth C. autor/a
Cupul Uicab, Lea A. autor/a
Romano Riquer, S. Patricia autor/a
Weber, Jean Phillipe autor/a
Chapin, Robert E. autor/a
Hernández Ávila, Mauricio Doctor autor/a 7183
author_sort Longnecker, Matthew P.
title In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
title_short In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
title_full In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
title_fullStr In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
title_full_unstemmed In utero exposure to the antiandrogen 1,1-Dichloro-2,2-bis (p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México
title_sort in utero exposure to the antiandrogen 1,1-dichloro-2,2-bis (p-chlorophenyl)ethylene (dde) in relation to anogenital distance in male newborns from chiapas, méxico
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