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Interaction effects between estrogen receptor alpha and vitamin D receptor genes on age at menarche in Chinese women

  
@article{APS3700,
	author = {Hong Xu and Ji-rong Long and Miao-xin Li and Hong-wen Deng},
	title = {Interaction effects between estrogen receptor alpha and vitamin D receptor genes on age at menarche in Chinese women},
	journal = {Acta Pharmacologica Sinica},
	volume = {26},
	number = {7},
	year = {2016},
	keywords = {},
	abstract = {Aim: To evaluate whether estrogen receptor alpha (ER-alpha) and vitamin D receptor (VDR) genes are associated with the age at menarche in Chinese women.
Methods: A total of 390 pre-menopausal Chinese women were genotyped at the ER-alpha PvuII, XbaI, and VDR ApaI loci using polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP).
Results: Neither the ER-alpha gene nor the VDR gene individually had significant effects on the age at menarche in our subjects (P > 0.10). However, evidence of interaction effects between the two genes were observed: with the aa genotype at the VDR ApaI locus, subjects with haplotype PX at the ER-alpha gene had, on average, 6 months later onset of menarche than the non-carriers (P=0.01).
Conclusion: We found that neither the ER-alpha gene or the VDR gene had a significant association with the age at menarche individually. However, potential interaction effects between the two genes were observed in Chinese women.},
	issn = {1745-7254},	url = {http://www.chinaphar.com/article/view/3700}
}