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ADAMTS proteoglycanases downregulation with impaired oocyte quality in PCOS.


ABSTRACT:

Objective

A disintegrin and metalloproteinase with thrombospondin motifs 4 (ADAMTS-4) and ADAMTS-5 normal expression levels are essential for ovulation and subsequent fertilization. The objective of the present study was to assess expression pattern of these genes in cumulus cells (CCs) taken from patients with polycystic ovary syndrome (PCOS) and to investigate any possible relationship with the oocyte quality.

Methods

ADAMTS-4 and -5 expression levels within CCs containing oocytes at the metaphase II (MII) and germinal vesicle (GV) stages, taken from 35 patients with PCOS and 35 women with normal ovarian function, were investigated using RT-qPCR. Moreover, possible correlations between ADAMTS-4, ADAMTS-5, and progesterone receptors (PRs) expression as well as oocyte quality were evaluated.

Results

ADAMTS-4 and -5 expression levels were dramatically diminished in the CCs of the PCOS patients when compared to the controls. ADAMTS-4 and -5 expression levels were correlated with each other and with the oocyte quality. Furthermore, lower expression levels of ADAMTS-4 and -5 in the PCOS patients were strongly correlated with the diminished PRs expression levels.

Conclusion

Downregulation of ADAMTS-4 and -5 in the human CCs of the PCOS patients correlated with the decline in the PRs expression, and impaired oocyte quality may cause lower oocyte recovery, maturation, and fertilization rate.

SUBMITTER: Gohari Taban S 

PROVIDER: S-EPMC10528703 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Publications

<i>ADAMTS</i> proteoglycanases downregulation with impaired oocyte quality in PCOS.

Gohari Taban Sepide S   Amiri Iraj I   Saidijam Massoud M   Soleimani Asl Sara S   Yavangi Mahnaz M   Khanlarzadeh Elham E   Mohammadpour Nooshin N   Artimani Tayebe T  

Archives of endocrinology and metabolism 20210114 1


<h4>Objective</h4>A disintegrin and metalloproteinase with thrombospondin motifs 4 (<i>ADAMTS-4</i>) and <i>ADAMTS-5</i> normal expression levels are essential for ovulation and subsequent fertilization. The objective of the present study was to assess expression pattern of these genes in cumulus cells (CCs) taken from patients with polycystic ovary syndrome (PCOS) and to investigate any possible relationship with the oocyte quality.<h4>Methods</h4><i>ADAMTS-4</i> and <i>-5</i> expression levels  ...[more]

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