Variations in T-helper 17 and Regulatory T Cells during The Menstrual Cycle in Peripheral Blood of Women with Recurrent Spontaneous Abortion
نویسندگان
چکیده
BACKGROUND Disorders in immune system regulation may result in pregnancy abnormalities such as recurrent spontaneous abortion (RSA). This study aims to determine the ratio of regulatory T (Treg) and T helper (Th) 17 cells in unexplained RSA (URSA) women during proliferative and secretory phases of their menstrual cycles compared to healthy non-pregnant women. MATERIALS AND METHODS In this case control study, 25 women with URSA and 35 healthy, non-pregnant women were enrolled. The percentage of Th17 and Treg cells in participants peripheral blood were determined by flow cytometry. RESULTS The percentage of Th17 cells and their related cytokines in serum (IL-17A) were higher in the proliferative and secretory phases of the menstrual cycles of URSA women compared to the control women. However, a lower percentage of Treg cells and their related cytokines in serum, transforming growth factor (TGF) β1 and interleukin (IL)-10 were detected in the proliferative but not the secretory phase of the URSA group. The ratio of Th17/CD4+ Treg was higher in the URSA group than the control group. We observed an increased ratio of Th17/CD4+ Treg during the proliferative and secretory phases in URSA women. CONCLUSION The imbalance between Th17 and Treg cells during the proliferative phase of menstrual cycles in the URSA group may be considered a cause for spontaneous abortion.
منابع مشابه
Variations in T-helper 17 and Regulatory T Cells during The Menstrual Cycle in Peripheral Blood of Women with Recurrent Spontaneous Abortion
متن کامل
افزایش سلول هایNK خون محیطی و ارتباط آن با سقط مکرر
Introduction & Objective: Undoubtedly reproduction as a means of human survival and recurrent spontaneous abortion being the most prevalent complication of pregnancy with a three percent outbreak and an influential problem on human life have always been the subject of interest among researchers. Different factors are involved in recurrent spontaneous abortion among which immunological disord...
متن کاملComparison of the Percentages of Peripheral Blood CD4+ CD25+ T Lymphocytes in Recurrent Abortion and Normal Pregnancy
Background & Aims: Recent evidences indicate that parts of the immunoregulation system such as CD4+CD25+Tcells (Treg) and Th2 cells and Th1 cells, play very important roles in the maintenance of pregnancy. The deficiency in proper recognition of fetal alloantigen by the maternal immune system is associated with recurrent pregnancy failure. Here, we investigate the proportional changes of CD4+CD...
متن کاملAltered Th17/Treg Ratio in Recurrent Miscarriage after Treatment with Paternal Lymphocytes and Vitamin D3: a Double- Blind Placebo-Controlled Study
Background: Recurrent miscarriage (RM) affects 2-5% of pregnant women. Paternal lymphocyte immunotherapy is a common treatment for RM patients but the outcome has not been consistent. Therefore, combined therapy with other immunosuppressive drugs such as 1 a, 25-dihydroxy-vitamin-D3 (vitamin D3) may improve the outcome. Objectives: To investigate the effect of vitamin D3 on the balance of two...
متن کاملThe Assessment of NK Cytotoxicity and CD56+/CD16+ Phenotype by Flowcytometry in PBL Isolated from Women with Recurrent Spontaneous Abortion
Background: Human peripheral blood NK cells constitutively express CD56 and CD16 antigens. Peripheral blood NK cells seem to be strongly related with decidual NK cells, and may reflect the decidual NK cell functional status. There are varied reports concerning the relationship between NK cell cytotoxicity in women with recurrent spontaneous abortion. Objective: To study NK activity in women wit...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 8 شماره
صفحات -
تاریخ انتشار 2014