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Review
. 2019 Dec 24:12:249-260.
doi: 10.2147/TACG.S200341. eCollection 2019.

Genetic Basis of Polycystic Ovary Syndrome (PCOS): Current Perspectives

Muhammad Jaseem Khan #  1 , Anwar Ullah #  1 , Sulman Basit  2
Affiliations
Review

Genetic Basis of Polycystic Ovary Syndrome (PCOS): Current Perspectives

Muhammad Jaseem Khan et al. Appl Clin Genet. .

Abstract

Polycystic ovary syndrome (PCOS) is a common infertility disorder affecting a significant proportion of the global population. It is the main cause of anovulatory infertility in women and is the most common endocrinopathy affecting reproductive-aged women, with a prevalence of 8-13% depending on the criteria used and population studied. The disease is multifactorial and complex and, therefore, often difficult to diagnose due to overlapping symptoms. Multiple etiological factors have been implicated in PCOS. Due to the complex pathophysiology involving multiple pathways and proteins, single genetic diagnostic tests cannot be determined. Progress has been achieved in the management and diagnosis of PCOS; however, not much is known about the molecular players and signaling pathways underlying it. Conclusively PCOS is a polygenic and multifactorial syndromic disorder. Many genes have been associated with PCOS, which affect fertility either directly or indirectly. However, studies conducted on PCOS patients from multiple families failed to find a fully penetrant variant(s). The present study was designed to review the current genetic understanding of the disease. In the present review, we have discussed the clinical spectrum, the genetics, and the variants identified as being associated with PCOS. The mechanisms by which variants in the genes confer risk to PCOS and the nature of the physical and genetic interaction between the genetic elements underlying PCOS remain to be determined. Elucidation of genetic players and cellular pathways underlying PCOS will certainly increase our understanding of the pathophysiology of this syndrome. The study also discusses the current status of the treatment modalities for PCOS, which is important to find new ways of treatment.

Keywords: PCOS; genetics; infertility; treatment.

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Conflict of interest statement

The authors declare that they have no competing interests in this work.

Figures

Figure 1
Figure 1
Summary of the genes involved in PCOS highlights the complexity of the disease.
Figure 2
Figure 2
Summary of treatment modalities of PCOS.
See this image and copyright information in PMC

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