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CYP17 genotype modifies the impact of anthropometric variation on salivary estradiol in healthy women

Several studies demonstrate that human ovarian function is responsive to the energetic environment, which has led to the development of theoretical models that explain this phenomenon. Although many genes are involved in ovarian hormone production, the possibility that genetic polymorphism may affec... Full description

Journal Title: American Journal of Physical Anthropology April 2015, Vol.156(4), pp.665-670
Main Author: Rowe, Elizabeth
Other Authors: Van Horn, Andrew , Rockwell, L. Christie
Format: Electronic Article Electronic Article
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ID: ISSN: 0002-9483 ; E-ISSN: 1096-8644 ; DOI: 10.1002/ajpa.22676
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recordid: wj10.1002/ajpa.22676
title: CYP17 genotype modifies the impact of anthropometric variation on salivary estradiol in healthy women
format: Article
creator:
  • Rowe, Elizabeth
  • Van Horn, Andrew
  • Rockwell, L. Christie
subjects:
  • Ovarian Function
  • Gene–Environment Interactions
  • P450c17alpha
  • Estrogen
ispartof: American Journal of Physical Anthropology, April 2015, Vol.156(4), pp.665-670
description: Several studies demonstrate that human ovarian function is responsive to the energetic environment, which has led to the development of theoretical models that explain this phenomenon. Although many genes are involved in ovarian hormone production, the possibility that genetic polymorphism may affect ovarian response to energetic conditions has not been considered. Cytochrome P450c17α is an enzyme that produces androgen precursors used to make estrogens during ovarian steroidogenesis, and is encoded by the gene. A functionally significant variant within the promoter region of has been linked to variation in steroid production, and some evidence suggests that this polymorphism could alter transcription of in an insulin‐dependent manner. We tested the hypothesis that the variant affected the relationship between anthropometric measurements and salivary estradiol in healthy women in the United States ( = 28). PCR‐RLFP analysis was used to genotype women for the genetic variant, and estradiol was assayed from saliva by EIA. Moderated regression analysis of these preliminary data revealed a significant interaction between waist‐to‐hip ratio and genotype ( = 0.004). Our study provides evidence that gene–environment interactions should be considered in future adaptive models for human ovarian function. Moreover, our results stand to illuminate possible associations between this genetic variant and reproductive disease. Am J Phys Anthropol 156:665–670, 2015. © 2014 Wiley Periodicals, Inc.
language:
source:
identifier: ISSN: 0002-9483 ; E-ISSN: 1096-8644 ; DOI: 10.1002/ajpa.22676
fulltext: fulltext
issn:
  • 0002-9483
  • 00029483
  • 1096-8644
  • 10968644
url: Link


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titleCYP17 genotype modifies the impact of anthropometric variation on salivary estradiol in healthy women
creatorRowe, Elizabeth ; Van Horn, Andrew ; Rockwell, L. Christie
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subjectOvarian Function ; Gene–Environment Interactions ; P450c17alpha ; Estrogen
descriptionSeveral studies demonstrate that human ovarian function is responsive to the energetic environment, which has led to the development of theoretical models that explain this phenomenon. Although many genes are involved in ovarian hormone production, the possibility that genetic polymorphism may affect ovarian response to energetic conditions has not been considered. Cytochrome P450c17α is an enzyme that produces androgen precursors used to make estrogens during ovarian steroidogenesis, and is encoded by the gene. A functionally significant variant within the promoter region of has been linked to variation in steroid production, and some evidence suggests that this polymorphism could alter transcription of in an insulin‐dependent manner. We tested the hypothesis that the variant affected the relationship between anthropometric measurements and salivary estradiol in healthy women in the United States ( = 28). PCR‐RLFP analysis was used to genotype women for the genetic variant, and estradiol was assayed from saliva by EIA. Moderated regression analysis of these preliminary data revealed a significant interaction between waist‐to‐hip ratio and genotype ( = 0.004). Our study provides evidence that gene–environment interactions should be considered in future adaptive models for human ovarian function. Moreover, our results stand to illuminate possible associations between this genetic variant and reproductive disease. Am J Phys Anthropol 156:665–670, 2015. © 2014 Wiley Periodicals, Inc.
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abstractSeveral studies demonstrate that human ovarian function is responsive to the energetic environment, which has led to the development of theoretical models that explain this phenomenon. Although many genes are involved in ovarian hormone production, the possibility that genetic polymorphism may affect ovarian response to energetic conditions has not been considered. Cytochrome P450c17α is an enzyme that produces androgen precursors used to make estrogens during ovarian steroidogenesis, and is encoded by the gene. A functionally significant variant within the promoter region of has been linked to variation in steroid production, and some evidence suggests that this polymorphism could alter transcription of in an insulin‐dependent manner. We tested the hypothesis that the variant affected the relationship between anthropometric measurements and salivary estradiol in healthy women in the United States ( = 28). PCR‐RLFP analysis was used to genotype women for the genetic variant, and estradiol was assayed from saliva by EIA. Moderated regression analysis of these preliminary data revealed a significant interaction between waist‐to‐hip ratio and genotype ( = 0.004). Our study provides evidence that gene–environment interactions should be considered in future adaptive models for human ovarian function. Moreover, our results stand to illuminate possible associations between this genetic variant and reproductive disease. Am J Phys Anthropol 156:665–670, 2015. © 2014 Wiley Periodicals, Inc.
doi10.1002/ajpa.22676
pages665-670
date2015-04