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Menopause:
doi: 10.1097/GME.0b013e3182976f1f
Original Articles

Association between the poly(ADP-ribose) polymerase-1 gene polymorphism and advanced pelvic organ prolapse

Kim, Ji Young MD1; Kim, Eun Jae MS1; Jeon, Myung Jae MD1; Kim, Hoon MD1; Moon, Yeo Jung MD2; Bai, Sang Wook MD2

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Abstract

Objective

Apoptotic cell death, probably induced by oxidative stress, contributes to the development of pelvic organ prolapse. Because poly(ADP-ribose) polymerase-1 is an important mediator of cellular response to oxidative stress, genetic variations in the poly(ADP-ribose) polymerase-1 gene may play a role in the pathogenesis of pelvic organ prolapse. This study aimed to determine the association between advanced pelvic organ prolapse and Val762Ala polymorphism in the poly(ADP-ribose) polymerase-1 gene.

Methods

A total of 340 women were enrolled in the study. The pelvic organ prolapse group consisted of 185 women with stage III or IV pelvic organ prolapse, whereas the control group consisted of 155 postmenopausal women with stage 0 or I pelvic organ prolapse who visited the hospital for treatment of benign gynecologic disease or routine gynecologic checkup. Genotyping of the poly(ADP-ribose) polymerase-1 Val762Ala polymorphism was performed by real-time polymerase chain reaction analysis using a TaqMan assay.

Results

Genotype distribution in the pelvic organ prolapse group was different from that in the control group (P = 0.024). Furthermore, C-allele frequency was lower in the pelvic organ prolapse group than in the control group (P = 0.029). Women with the CC genotype had a 0.461-fold lower risk of developing advanced pelvic organ prolapse than women with the TT genotype (95% CI, 0.245-0.870; P = 0.017), and women with the C-allele had a 0.716-fold lower risk of developing advanced pelvic organ prolapse than women with the T-allele (95% CI, 0.527-0.973; P = 0.033).

Conclusions

These findings suggest that the poly(ADP-ribose) polymerase-1 Val762Ala polymorphism is associated with a decreased risk of advanced pelvic organ prolapse.

© 2013 by The North American Menopause Society

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