頸動脈參數(shù)和CXCL16在原發(fā)性腎病綜合征兒童中的變化及意義
[Abstract]:Primary nephrotic syndrome (PNS) is one of the common diseases of the urinary system in children. Its main clinical manifestations are massive albuminuria, hypoalbuminemia, hyperlipidemia, and edema. A large number of proteinuria, hypoalbuminemia and hyperlipidemia are the risk factors for atherosclerosis (AS),.AS is The common complications of the patients with nephrotic syndrome, there are few AS in children with PNS, so how to identify the risk of AS early and take active and effective measures to prevent it from developing to AS is the focus of our attention, and there is no research report at home and abroad. At present, the pathogenesis of AS is not very clear, especially the kidney. The mechanism of disease syndrome complicated with AS needs further study of.AS as a chronic inflammatory disease. The immune response is involved in its pathogenesis. Chemokine is a group of chemokines with chemotaxis, which is involved in the process of inflammation and immune response. Chemokine ligand 16 (CXCL16), also known as SR-PSOX, is a CXC family of soluble chemokines. There are two forms of soluble protein and transmembrane protein, which also have chemotaxis, adhesion, and cell surface scavenger receptors. Soluble CXCL16 can be used as chemokines to chemotaxis CXCR6+ cells, including CD4+T cells, CD8+T cells, NK cells and so on. Membrane binding CXCL16 can act as a adhesion molecule and the scavenger receptor. Adhesion molecules, CXCL16 can promote CXCR6+ cells to bind and adhere to the corresponding cells or tissues; as the scavenger receptor, it can mediate the endocytosis of phosphonyl serine and oxidized low density lipoprotein (oxLDL). In recent years, studies have shown that CXCL16 is involved in the development of a variety of renal diseases and cardiovascular diseases. The purpose of this study is to study the purpose of this study. The changes in the structure and function of carotid artery and the changes of serum CXCL16 were observed in children with PNS, and the correlation between CXCL16 and AS was discussed. The study provided a certain theoretical basis for the early AS prevention and control methods of PNS children (such as CXCL16 targeted therapy). 122 cases of PNS children were selected, including 82 cases of disease active phase group (42 cases of disease repeated, 40 cases first onset), and 66 males. 16 cases, 2-14 years of age, 40 cases of remission group, 32 men, 8 women, 2-14 years old. According to the hormone therapy reaction and follow-up, the disease active period group was again divided into hormone sensitive group (60 cases), hormone dependence group (6 cases) and hormone resistance group (16 cases), and 40 cases of initial PNS children were divided into hormone sensitive group (32 cases), hormone resistance group (8 cases). Normal control group. 120 normal healthy children, 96 men, 24 women, 2-14 years old, were selected in the health care department of our hospital for the same period. The sex, age and BMI were matched between each group. The difference was not statistically significant (P0.05). All the children in PNS and the normal control group were examined by carotid hyper sound, the thickness of the carotid artery was measured (cIMT), and the diastolic period was in the diastolic period. Diameter (dD) and systolic diameter (sD). Calculation of carotid artery related parameters: vascular wall motion (delta D), stiffness coefficient beta (P), carotid pressure strain coefficient (Ep), compliance (AC), mean lumen cross section area (LCSA), mean transverse section area (WCSA), average cross section dilatation coefficient (DC) and incremental elastic modulus (Einc). Children of each group were collected, respectively. 4m1 in the morning venous blood was collected and collected at 4 degrees centigrade. The biochemical indexes were detected by automatic biochemical analyzer. Serum albumin (ALB) was detected by bromo methyl phenol green method; total cholesterol (TC) was determined by enzyme method; triglyceride (TG) was determined by GPO-POD; high density lipoprotein (HDL) and low density lipoprotein (LDL) were measured by direct method. It was determined that apolipoprotein A (apo-A), apolipoprotein B (apo-B) and lipoprotein a[Lp (a)] were determined by immunoturbidimetry; serum CXCL16 and ox-LDL were determined by ELISA method. The urine volume was recorded for 24 hours in children with PNS in active phase group, the urine volume was recorded accurately, and the quantity of 24h urine was measured by focal phenol red method. Results: the blood lipid levels in 1. groups were compared with those of children with PNS. TC, TG, LDL, apo-A, apo-B, Lp (a), ox-LDL higher than the remission group and the normal control group (P0.01), and the remission group was higher than the normal control group, which was still higher than the normal control group. Phase group cIMT, WCSA still higher than normal control group (P0.01), AD in disease active stage was lower than that of remission group and normal control group (P0.01), AC in active phase group was lower than that of remission group (P0.05), P in active phase group was higher than that of normal control group (P0.01). Hormone dependence group, hormone resistance group cIMT was higher than hormone sensitive group (P0.01), and irritable period in the disease active period PNS children. There was no statistical difference between the cIMT group and the hormone resistant group (P0.05). In addition, the serum CXCL16 level of 40 children with primary PNS was higher than that of the normal control group (P0.01).3.. The serum CXCL16 level of the disease active stage group was higher than that of the remission group and the normal control group (P0.01), and the serum CXCL16 level in the remission group was still higher than that of the normal control group. Group (P0.01).40 patients with primary PNS, the level of serum CXCL16 in the hormone resistant group is higher than that of the hormone sensitive group (P0.05).4.. Ox-LDL positive correlation (P0.01), ALB negative correlation with serum (P0.01).5. multivariate stepwise regression analysis, multivariate stepwise regression analysis showed that cIMT was independent of TC, CXCL16, Lp (a). It was suggested that the carotid artery structure and function of children with.2.PNS in the disease active period and remission period of the PNS children had a significant change in the carotid structure and function in children with the normal control, suggesting that the risk of AS in the children with PNS was increased. The hormone dependence group and the hormone tolerance group cIMT were higher than the hormone sensitive group, suggesting hormone dependence in the children with disease activity. The risk of AS in children with hormone resistance was greater than that in children with hormone sensitivity, and the cIMT of children with primary PNS was significantly higher than that of the normal control group. It was suggested that the risk of AS in children with PNS at the early stage of the disease was.3.cIMT with TC, TG, LDL, apo-A, apo-B, and positive correlation. As an independent risk factor, the risk of AS in children with PNS increased the level of serum CXCL16 in children with.4.PNS, and the correlation analysis showed that serum CXCL16 in children with PNS was associated with TC, TG, LDL, apo-A, apo-B, Lp. In the pathogenesis of NS, the level of CXCL16 in the primary PNS children is higher than that of the hormone sensitive group. The level of CXCL16 in the hormone resistant group is higher than that in the hormone sensitive group. It is suggested that the serum CXCL16 may be a biological indicator of the effect of hormone therapy at the early stage of the disease. The serum CXCL16 is positively related to cIMT, and the multivariate stepwise regression analysis shows that CXCL16 is independent of cIMT, suggesting CXCL16 participation P. The pathogenesis of AS in children with NS.
【學位授予單位】:山東大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:R726.9
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