Journal of Arak University of Medical Sciences

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Role of Sulpiride Administration in Sperm Quality and Relationship to Male Fertility and In Vitro Fertilization Embryonic Development

Aram Ahmadi, Rajab Ali Sadrkhanlou, Abbas Ahmadi,
Volume 17, Issue 10 (1-2015)

Abstract

Background: Male fertility depends on the proper function of a complex system of organs which plays an important role in spermatogenesis. In this study the effects of sulpiride-administration were assessed by means of sperm parameters and in vitro fertilization potential.

Materials and Methods: In this experimental study thirty adult male mice were divided into 3 groups as test, control-sham and control. The test group were injected with 40 mg/kg sulpiride solution daily for 45 days IP. Sham mice were injected by solvent only. After 45 days, all mice were dispatched by cervical dislocation consequence of unconsciousness. Cauda epididymis were used to collect sperm cells and assess their motility, viability and DNA integrity. The rate of in vitro fertilization and embryonic development were also examined.

Results: In comparison with sham and control groups, sperm motility and viability rate showed a significant reduction in the sulpiride-administered animals. Rate of DNA damage increased which gives rise to a remarkable reduction of fertilization rate, zygote division, blastocysts number, and significant increase of arrested embryos in sulpiride treated mice (p<0.05).

Conclusion: Data suggest that following sulpiride-induced hyperprolactinemia, induction of spermatogenesis dysfunction, causes low sperm quality that accompanies a significant lower fertility potential and embryonic development in comparison with the sham and control groups.

The Association of VEGF +405 C/G Polymorphism with In vitro Fertilization and Embryo Transfer Outcome (IVF-ET) in Iranian Population

Sara Alidadiani, Zivar Salehi,
Volume 20, Issue 6 (9-2017)

Abstract

Abstract
Background: Implantation of an embryo involves a complex sequence of signaling events, consisting of a large number of molecular mediators such as ovarian hormones, cytokines, adhesion molecules and growth factors. Vascular endothelial growth factor (VEGF) is an important angiogenic factor. VEGF is believed to play an important role in the process of implantation. The aim of this study was to evaluate the association of VEGF +405C/G polymorphism and the clinical outcomes of women who underwent IVF-ET procedures.
Materials and Methods: One hundred women with previous IVF-ET failures and 100 pregnant women as controls were genotyped for VEGF +405 C/G by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Statistical analysis was performed using the MedCalc software.
Results: Our results indicated a higher prevalence of the VEGF +405 GG genotype and G allele in patients with history of IVF-ET failure (OR=6.90; 95%CI=2.75-17.29; p<0.0001, OR=2.5; 95%CI=1.66-3.76, p<0.0001).
Conclusion: The present study revealed that the VEGF +405 GG genotype was associated with an increased risk of IVF-ET failure. However, further studies in larger populations including other genetic factors are required to achieve a definitive conclusion.

Association of Tissue Inhibitors of Metalloproteinase 1 (TIMP 1) Gene Polymorphism and In Vitro Fertilization and Embryo Transfer Outcome

Mahsa Kazemi Roodsari, Farhad Mashayekhi,
Volume 20, Issue 9 (12-2017)

Abstract

Abstract
Background: Matrix metalloproteinases (MMPs) are vital for the degradation/remodeling of the extra-cellular matrix, and are involved in spiral artery formation and invasion of endometrium during implantation. Tissue inhibitor of metalloproteinase 1 (TIMP1), is expressed in the several tissues of organisms and inhibits MMP activity. The aim of this investigation was to study the association between single-nucleotide polymorphism (SNP) in the TIMP1 (rs4898) (372 T/C) with in vitro fertilization and embryo transfer (IVF-ET) outcome by AS-PCR.
Materials and Methods: A total number of 200 blood samples including 100 IVF negative and 100 IVF positive (control) were collected in this study. DNA was extracted for TIMP1 genotyping. The genotype and allele frequencies of 372T/C polymorphism were examined by Allele-Specific PCR.
Results: The genotype frequencies of CC, CT and TT in 372 T/C polymorphism of TIMP1 gene in IVF- samples were 1%, 98% and 1%, respectively, while for IVF+ group were 7%, 91% and 2%, respectively (p=0.07). The allele frequencies of C and T in the IVF- were 50%, 50%, respectively and in IVF+ were 47.5%, 52.5%, respectively. The genotype and allele frequencies of TIMP1 rs4898 (372 T/C) did not differ between the patients and the control group (p=0.07 and p=0.68, respectively).
Conclusion: The results of this study indicate that SNP 372T/C of TIMP1 may not be associated with IVF-ET outcome in this population. Further studies with larger numbers of patients and controls are needed to confirm our results.

Analysis of the Relationship between CGB5 155G/C Polymorphism and in vitro Fertilization-embryo Transfer Outcome (IVF-ET) in the Iranian Population

Bahareh Babaei Houlari, Zivar Salehi,
Volume 20, Issue 10 (1-2018)

Abstract

Abstract
Background: Successful pregnancy depends on the ability of the embryo to achieve appropriate extent of trophoblastic proliferation and invasion into maternal endometrium as well as, once implanted, to induce its own blood supply. Beta Human chorionic gonadotropin (β-hCG), enhances blastocyst implantation, uterine vascularization, and angiogenesis, as well as regulates maintenance of uterine quiescence and immunological adaptation during pregnancy. The β-subunit of hCG is encoded by CGB3, CGB6, CGB5, CGB7 and CGB8 genes. The aim of this study was to evaluate the association of CGB5-G/C polymorphism and the clinical outcomes in women who underwent IVF-ET procedures.
Materials and Methods: A total of 200 patients undergoing IVF-ET (100 patients with positive and 100 patients with negative IVF-ET outcome) were included in this study. Genotyping of CGB5 at -155G/C polymorphic site was performed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Statistical analysis was performed using the MedCalc software.
Results: Our findings show that the CC genotype of the CGB5 -155G/C polymorphism is associated with decreased risk of IVF-ET failure (OR=0.29; 95%CI=0.1-0.85; p=0.02). However, the allelic distribution of the CGB5 -155G/C is not significantly different between two groups (χ2=1.46; p=0.22).
Conclusion: The results of this study suggested that CGB5 (-155G/C) CC genotype has a protective effect on IVF-ET outcome. More studies with larger sample sizes on different populations are necessary to elucidate the underlying mechanisms which can explain the associations found between the GGB5 gene polymorphisms and IVF-ET outcome.

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