Background: Diabetes mellitus deeply changes the genes expression of integrin (Itg) subunits in several cells and tissues such as monocytes, arterial endothelium, kidney glomerular cells, retina. Furthermore, hyperglycemia could impress and reduce the rate of successful assisted as well as non-assisted pregnancy. Endometrium undergoes thorough changes in normal menstrual cycle and the question is: What happens in the endometrium under diabetic condition? Objective: The aim of the current study was to investigate the endometrial gene expression of α3, α4, αv, Itg β1 and β3 subunits in diabetic rat models at the time of embryo implantation. Materials and Methods: Twenty-eight rats were randomly divided into 4 groups: control group, diabetic group, pioglitazone-treated group, and metformin-treated group. Real-time PCR was performed to determine changes in the expression of Itg α3, α4, αv, β1, and β3 genes in rat’s endometrium. Results: The expression of all Itg subunits increased significantly in diabetic rats’ endometrium compared with control group. Treatment with pioglitazone significantly reduced the level of Itg subunits gene expression compared with diabetic rats. While metformin had a different effect on α3 and α4 and elevated these two subunits gene expression. Conclusion: Diabetes mellitus significantly increased the expression of studied Itg subunits, therefore untreated diabetes could be potentially assumed as one of the preliminary elements in embryo implantation failure.
Background:Male infertility refers to a male's inability to cause pregnancy in a fertile female. It seems the large portion of this category of infertility, has roots in genetic factors. PROTAMINE family is one of the most important genes which are involved in male factor infertility. Hence, the aim of this study is to evaluate PROTAMINE1 and PROTAMINE2 (P1 and P2) genes expression in oligoasthenospermic individuals and intrauterine insemination (IUI) candidate couples’ sperms.Materials and Methods:Samples were gathered from the patients referred to the Isfahan Infertility Center of Shahid Beheshti, 80 semen samples were in IUI candidates groups and 16 semen samples were in oligoasthenospermia group was collected. The outcome of IUI procedure was followed up after 14 days. Through these samples, 16 couples achieved pregnancy (IUI+) and from the top of the list, 16 semen samples with negative β-HCG were obtained (IUI−). After RNA extraction from sperms, PROTAMINE genes family expression was evaluated in our three groups by real time-reverse transcription polymerase chain reaction.Results:Our study revealed that P1 gene expression has no significant differences between IUI−, IUI+, and oligoasthenospermia groups, whereas P2 gene expression showed significant differences between oligoasthenospermia with two IUI groups. Main sperm parameters have no significant differences between IUI groups.Conclusion:This study reveals P1 and P2 genes expression value have no significant differences between IUI− and IUI+. On the other hand, P2 gene expression value has significant differences between oligoasthenospermia with two IUI groups.
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