血清和糖皮質(zhì)激素調(diào)節(jié)蛋白激酶1在早期自然流產(chǎn)中的機制研究
[Abstract]:The expression of the expression of SGK1 in Decidua Tissue in early abortion: by measuring the expression of serum and glucocorticoid regulated protein kinase 1 (SGK1) in the early decidual tissue of pregnancy, the difference of SGK1 expression in early spontaneous abortion and normal pregnancy decidua was compared, and SGK1 was investigated in the maternal fetal interface microenvironment during early pregnancy. Biological significance, materials and methods: 1. select 88 cases of unexplained spontaneous abortion in early pregnancy as experimental study group, 71 normal early pregnant women at the same time as control group.2. immunofluorescence and immunofluorescence technique to detect the expression of SGK1 in Decidua Tissue by.3.TRIZOL method to extract the total RNA of the uterus Decidua Tissue, retrotranscriptase The relative expression of SGK1 mRNA in two groups of uterine decidua tissues was measured by Real time PCR. The protein of human decidua tissue was extracted from the RIPA protein lysate of protease inhibitor, the tissue protein was quantified by BCA method. Western blot technique was used to detect the relative expression of SGK1 protein in human decidua tissue. Results: 1. early self There was no significant difference in age, number of gestational weeks, age of menarche, menstrual cycle, and the number of days. The levels of serum estradiol (E2) in patients with early spontaneous abortion were lower than those of normal pregnancy. The difference was statistically significant (p0.001).2. immunofluorescence and immunofluorescence found that SGK1 was in early spontaneous abortion patients. The mRNA level of SGK1 in Decidua Tissue of patients with early spontaneous abortion of.3. and normal pregnancy was lower than that in the Decidua Tissue of early normal pregnancy. The difference was statistically significant (P0.001) the total protein expression of SGK1 in the Decidua Tissue of early.4. patients with.4. was lower than that of normal pregnancy. The difference was statistically significant (P0.001). And the protein expression of SGK1 phosphorylation in the uterine decidua tissues of early spontaneous abortion patients was lower than those of normal pregnancy, and the difference was statistically significant (P0.001). This was in accordance with the expression trend of SGK1 total protein in the two groups, which was consistent with the phosphorylated eggs of SGK1 in the uterine decidua tissues of patients with early spontaneous abortion. The ratio of white to total protein was lower than that in normal pregnancy group, the difference was statistically significant (p0.001). Conclusion: the expression of SGK1, total protein and activated protein in decidua tissues of early pregnancy induced abortion patients with.2. decreased. The decrease of the second part of SGK1 and the occurrence of early spontaneous abortion in the decidua tissues of early spontaneous abortion patients. Objective: by establishing ecutic cells in vitro, the changes in the activity of SGK1 protein in decidua cells are the eye points, and the mechanism of early spontaneous abortion is further explored, and new ideas and ways are provided for the pathogenesis and prevention and treatment of pathological pregnancy. Materials and methods: 1. the culture of ecutic cells in vitro and immunization of the ecutic cells in vitro Fluorescence assay to identify the proliferation activity of decidual cells by.2.MTT colorimetric assay, Annexin V-FITC/PI detection of.3. targeting SGK1 siRNA interference in decidual cell apoptosis the effect of SGK1 on the apoptosis of decidua cells.4. LPS treated decidual cells to establish spontaneous abortion in vitro cell model.5. enzyme linked immunosorbent assay in decidua cell supernatant Results: the apoptosis of the uterus decidua cells after the transfection of 1. targeted SGK1 siRNA was higher than that of the control group decidua cells. The difference was statistically significant (P0.01), the expression of SGK1 in the decidual cells stimulated by estradiol was higher than that of the control group. The difference was statistically significant (P0.01).3.SGK1 was activated by estradiol to make lipopolysaccharide. The proliferation activity of decidual cells caused by decidua caused by the activation of.SGK1 caused a certain degree of recovery of the apoptosis of the decidua cells caused by lipopolysaccharide, and the difference was statistically significant (P0.01), and the reduction of the anti apoptotic gene BCL-2 and XIAP of the decidual cells caused by lipopolysaccharide recovered to a certain extent. There were statistically significant (P0.01) 4.SGK1 activation by estradiol to increase the secretion of IL-4 and IL-5 cytokines, the difference was statistically significant (P0.001 and P0.01), and the secretion of IFN- gamma cytokines after SGK1 activation was statistically significant (P0.001), and the ratio of activation up to IL-4/IFN- gamma of SGK1 was statistically significant (P). 0.01).5.SGK1 can increase the increased phosphorylation of NF- kappa B protein induced by lipopolysaccharide treatment and the activation of NF- kappa B protein down regulation (P0.01). Conclusion: SGK1 in the 1. decidual cells promotes cell proliferation after estradiol activation, and reduces the apoptosis of the decidual cells induced by lipopolysaccharide after the activation of estradiol activation. The activity of NF- kappa B in decidual cells reduces the secretion of Th1 - type cytokines in decidual cells, increases the secretion of Th2 - type cytokines, and corrects the migration of immune tolerance induced by lipopolysaccharide, which is beneficial to the maintenance of normal pregnancy.
【學位授予單位】:浙江大學
【學位級別】:博士
【學位授予年份】:2017
【分類號】:R714.21
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