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Evaluation of 1,25 vitamin D3 (1,25 (OH)2D3) effects on FOXP3 , ROR- γt, GITR and CTLA-4 gene expression in the PBMCs of Vitamin D deficient women with Unexplained Recurrent Pregnancy Loss (URPL)

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Year: 2019
COI code: DTOGIMED03_079
Paper Language: English

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Authors Evaluation of 1,25 vitamin D3 (1,25 (OH)2D3) effects on FOXP3 , ROR- γt, GITR and CTLA-4 gene expression in the PBMCs of Vitamin D deficient women with Unexplained Recurrent Pregnancy Loss (URPL)

  Nafiseh Saghafi - Department of Gynecology Oncology, Woman Health Research Center, Mashhad University of Medical Sciences,Mashhad, Iran
Elham Abdollahi - Department of Medical Immunology and Allergy, Student Research Committee, Faculty of Medicine, MashhadUniversity of Medical Sciences, Mashhad, Iran
Seyed Abdolrahim Rahim Rezaee - Immunology Research Center, Division of Inflammation and Inflammatory Diseases, Mashhad University ofMedical Sciences, Mashhad, Iran
  Maryam Rastin - Immunology Research Center, BuAli Research Institute, School of Medicine, Mashhad University of MedicalSciences, Mashhad, Iran

Abstract:

Background and Aim : Vitamin D insufficiency and deficiency can be associated with adverse effects onfetus and pregnancy outcomes. The aim of this study was to evaluate the effect of 1,25VitD3 on specifictranscription factor and markers of regulatory T cells and Th17 cells in women with unexplained recurrentpregnancy loss (URPL) as a case group and healthy women as a control group.Methods : Samples from 20 non-pregnant patients with a history unexplained recurrent pregnancy losswere compared to 20 normal non-pregnant women. Peripheral blood mononuclear cells (PBMCs) weredivided in to 3 wells for each subject; in the presence of 1,25 vitD3 (50 nM, for 16 hours), PHA (positivecontrol) (10μM) and without any treatment (negative control).By Real time PCR ( Taqman assay) specifictranscription factors of regulatory T cells and Th17 cells; FOXP3 , ROR- γt ,GITR and CTLA-4 mRNAexpressions in two groups were measured.Results : Our study indicated that FOXP3/ ROR- γt mRNA expression in PBMCs decreased significantlyin women experiencing URPL compared to the control group (1.13 ± 0.3 vs 3.79± 0.80, P=0.0001). 1,25VitD3 (50 nM) increased FOXP3 gene expression (1.91 ± 0.15 vs 1.22 ± 0.17, P=0.0001) while it did notsignificantly affect ROR- γt gene expression. 1,25 vitD treatment significantly increased FOXP3/ ROR- γtmRNA expression from baseline in the fetal loss group compared to that in the control group (1.94 ± 0.5vs 1.40 ± 0.42, P= 0.01). 1,25 VitD3 also increased GITR gene expression ( 3.05 ± 0.51 vs 0.59 ± 0.10 , P=0.017) in URPL women compared to the controls.Conclusion : Vitamin D deficiency may be a contributor to recurrent pregnancy loss and suggestssupplementation of women with Vit D pre-pregnancy may be protective against URPL via affecting Tregssignature genes; FOXP3 and GITR.

Keywords:

Unexplained recurrent fetal loss, FOXP3, ROR- γt, GITR and CTLA-4 , 1,25VitD3

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COI code: DTOGIMED03_079

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Saghafi, Nafiseh; Elham Abdollahi; Seyed Abdolrahim Rahim Rezaee & Maryam Rastin, 2019, Evaluation of 1,25 vitamin D3 (1,25 (OH)2D3) effects on FOXP3 , ROR- γt, GITR and CTLA-4 gene expression in the PBMCs of Vitamin D deficient women with Unexplained Recurrent Pregnancy Loss (URPL), 3rd debatable topics on obstetrics gynecology & infertility, تهران, دانشگاه علوم پزشكي و خدمات بهداشتي و درماني شهيد بهشتي, https://www.civilica.com/Paper-DTOGIMED03-DTOGIMED03_079.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Saghafi, Nafiseh; Elham Abdollahi; Seyed Abdolrahim Rahim Rezaee & Maryam Rastin, 2019)
Second and more: (Saghafi; Abdollahi; Rahim Rezaee & Rastin, 2019)
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