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KMID : 1033620200470030207
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Clinical and Experimental Reproductive Medicine
2020 Volume.47 No. 3 p.207 ~ p.212
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Association of GRIA1 polymorphisms with ovarian response to human menopausal gonadotropin in Iranian women
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Golestanpour Hossein
Javadi Gholamreza
Sheikhha Mohammad Hasan
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Abstract
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Objective: Glutamate ionotropic receptor AMPA type subunit 1 (GRIA1) is a subunit of a ligand-gated ion channel that regulates the secretion of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) by controlling the release of gonadotropin-releasing hormone. Few studies have investigated the association between the GRIA1 gene and human infertility. This study evaluated the association of the GRIA1 rs548294 C > T and rs2195450 G > A polymorphisms with the ovarian response to human menopausal gonadotropin (HMG) in Iranian women.
Methods: One hundred women with histories of at least 1 year of infertility were included. On the second day of menstruation, patients were injected with HMG; on the third day, blood samples were collected. After hormonal analysis, the GRIA1 rs548294 C > T and rs2195450 G > A genotypes of samples were identified via the restriction fragment length polymorphism method, and on day 9, the number of follicles was assessed via ultrasound.
Results: For the GRIA1 rs548294 C > T and rs2195450 G > A single nucleotide polymorphisms, the subjects with CT and GG genotypes, respectively, displayed the highest mean FSH level, LH level, and number of follicles on day 9 of the menstrual cycle (p< 0.05). Significant positive correlations were observed between LH and FSH (p< 0.01), LH and follicle count (p< 0.01), FSH and age (p< 0.05), follicle count and age (p= 0.048), and FSH and follicle count (p< 0.01).
Conclusion: This study showed a significant relationship between GRIA1 polymorphisms and ovarian response to the induction of ovulation. Therefore, determining patients’ GRIA1 genotype may be useful for improving treatment and prescribing suitable doses of ovulation-stimulating drugs.
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KEYWORD
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GRIA1, Ovarian stimulation, Polymorphism, Restriction fragment length polymorphism
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