Dataset Information

Anti-Mullerian hormone gene polymorphism is associated with androgen levels in Chinese polycystic ovary syndrome patients with insulin resistance.

ABSTRACT:

Purpose

The objective of the study was to investigate whether genetic polymorphisms of the anti-Müllerian hormone (AMH) and its specific receptor anti-Müllerian hormone type II receptor (AMHRII) were associated with the hormone disorder and phenotype of polycystic ovary syndrome (PCOS).

Methods

This case-control study included 141 PCOS patients and 123 normal women. Two polymorphisms of AMH and AMHRII and the clinical characteristics of participants such as body mass index (BMI), serum luteinizing hormone (LH), estradiol levels (E2), total testosterone levels (T), and homeostasis model assessment of insulin resistance (HOMA-IR) were analyzed with the case-control sample. Gene-gene interactions of AMH and AMHRII genes were analyzed based multifactor-dimensionality reduction method.

Results

A significant difference of AMH gene polymorphisms were observed in IR-PCOS women and controls. The AMH and AMHRII gene polymorphisms were not found a significant difference in non-IR-PCOS and normal groups. To IR-PCOS women, genotypes of AMH were closely related to the serum levels of LH (P?=?0.000), testosterone (P?=?0.000) and HOMA-IR (P?=?0.038), while in the non-IR-PCOS and normal groups, no relationship was found. No impact of AMH and AMHRII gene-gene interactions was demonstrated.

Conclusions

Our research suggests that the diversity of AMH genotypes in the AMH signal pathway may be connected with the susceptibility and phenotype of PCOS with insulin resistance.

SUBMITTER: Zheng MX

PROVIDER: S-EPMC4759001 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Publications

Anti-Müllerian hormone gene polymorphism is associated with androgen levels in Chinese polycystic ovary syndrome patients with insulin resistance.

Zheng Meng-Xue MX Li Yan Y Hu Rong R Wang Fei-Miao FM Zhang Xiao-Mei XM Guan Bing B

Journal of assisted reproduction and genetics 20160106 2

<h4>Purpose</h4>The objective of the study was to investigate whether genetic polymorphisms of the anti-Müllerian hormone (AMH) and its specific receptor anti-Müllerian hormone type II receptor (AMHRII) were associated with the hormone disorder and phenotype of polycystic ovary syndrome (PCOS).<h4>Methods</h4>This case-control study included 141 PCOS patients and 123 normal women. Two polymorphisms of AMH and AMHRII and the clinical characteristics of participants such as body mass index (BMI), ...[more]

PMID: 26732661

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Project description:BackgroundThe majority of available studies on the AMH thresholds were not age-specific and performed the receiver operating characteristic curve (ROC) analysis, based on variations in sensitivity and specificity rather than positive and negative predictive values (PPV and NPV, respectively), which are more clinically applicable. Moreover, all of these studies used a pre-specified age categorization to report the age-specific cut-off values of AMH.MethodsA total of 803 women, including 303 PCOS patients and 500 eumenorrheic non-hirsute control women, were enrolled in the present study. The PCOS group included PCOS women, aged 20-40 years, who were referred to the Reproductive Endocrinology Research Center, Tehran, Iran. The Rotterdam consensus criteria were used for diagnosis of PCOS. The control group was selected among women, aged 20-40 years, who participated in Tehran Lipid and Glucose cohort Study (TLGS). Generalized additive models (GAMs) were used to identify the optimal cut-off points for various age categories. The cut-off levels of AMH in different age categories were estimated, using the Bayesian method.Main results and the role of chanceTwo optimal cut-off levels of AMH (ng/ml) were identified at the age of 27 and 35 years, based on GAMs. The cut-off levels for the prediction of PCOS in the age categories of 20-27, 27-35, and 35-40 years were 5.7 (95 % CI: 5.48-6.19), 4.55 (95 % CI: 4.52-4.64), and 3.72 (95 % CI: 3.55-3.80), respectively. Based on the Bayesian method, the PPV and NPV of these cut-off levels were as follows: PPV = 0.98 (95 % CI: 0.96-0.99) and NPV = 0.40 (95 % CI: 0.30-0.51) for the age group of 20-27 years; PPV = 0.96 (95 % CI: 0.91-0.99) and NPV = 0.82 (95 % CI: 0.78-0.86) for the age group of 27-35 years; and PPV = 0.86 (95 % CI: 0.80-0.94) and NPV = 0.96 (95 % CI: 0.93-0.98) for the age group of 35-40 years.ConclusionsApplication of age-specific cut-off levels of AMH, according to the GAMs and Bayesian method, could elegantly assess the value of AMH in discriminating PCOS patients in all age categories.