Volume 75, Issue 11 (February 2018)                   Tehran Univ Med J 2018, 75(11): 819-827 | Back to browse issues page

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Mamaghani A M, Hosseini S J, Moslemi E. Hormonal profiling and clusterin gene expression in non-obstructive azoospermic patients. Tehran Univ Med J 2018; 75 (11) :819-827
URL: http://tumj.tums.ac.ir/article-1-8546-en.html
1- Department of Biology, Islamic Azad University, East Tehran Branch, Tehran, Iran.
2- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran. , jhosseinee@gmail.com
Abstract:   (3710 Views)
Background: Infertility is clinically defined as failure of a couple to conceive after one year of regular sexual intercourse and occurs in both males and females for various reasons. About half of the infertility causes is due to male factors such as azoospermia and the lack of sperm in the ejaculate. Azoosperima is divided into two types: Non-obstructive azoospermia (NOA) and obstructive azoospermia (OA). NOA is a type of male infertility caused by spermatogenesis defects. Therefore, investigating the factors involved in spermatogenesis, including hormones and genes, is one of the important aspects in understanding the mechanism of infertility in men. To this end, we aimed to investigate the expression of the clusterin gene expression and LH, FSH and testosterone hormone levels in the testicular tissue and blood of NOA patients, respectively.
Methods: The study population included 42 NOA infertile men referred to Royan Institute, Tehran, Iran in June 2016 to February 2017. Their blood samples were collected and testosterone, LH and FSH hormones were measured by ELISA. Afterwards, based on the biopsy results the patients were categorized into TESE+ (positive sperm retrieval) and TESE- groups. The genomic RNA was extracted from testicular tissue samples obtained from TESE surgery. After converting to cDNA, the clusterin gene expression was investigated by Real-time PCR technique. The achieved data was analyzed using SPSS software, version 18 (Armonk, NY, USA).
Results: According to Real-time PCR results, the expression level of clusterin gene in TESE+ group was significantly higher than TESE- group (P= 0.035). The mean of FSH and LH hormone levels in the TESE+ group was relatively lower than the TESE- group (P= 0.07 and P= 0.08), but there was no significant difference in the mean of testosterone hormone levels between the two groups (P= 0.66).
Conclusion: Based on the results of this study, the clusterin gene can have a role in spermatogenesis and by evaluating FSH and LH hormones in a larger non-obstructive azoospermic patient’s population significant statistical results can be achieved.
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