尿半乳糖缺陷IgA1水平与IgA肾病严重程度的相关性

Chinese Journal of Nephrology(2022)

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Abstract
探讨IgA肾病(IgA nephropathy,IgAN)患者血清及尿液半乳糖缺陷IgA1(galactose-deficient IgA1,Gd-IgA1)水平与临床病理及肠黏膜屏障损伤指标的相关关系。酶联免疫吸附测定法检测血尿Gd-IgA1、炎性因子及肠黏膜屏障损伤指标水平。IgAN组45例,健康对照组25例。结果显示IgAN组患者血清炎性因子肿瘤坏死因子α和白细胞介素6及血尿Gd-IgA1水平高于健康对照组人群(均 P<0.05);Spearman秩相关分析结果显示尿Gd-IgA1水平与血肌酐、24 h尿蛋白量及肾脏损伤程度呈正相关(均 P<0.05);IgAN组患者肠道黏膜屏障损伤指标细胞黏附分子1、 D-乳酸、脂多糖、二胺氧化酶水平高于健康对照组人群(均 P<0.05),且与尿Gd-IgA1水平呈正相关(均 P<0.05)。本研究结果提示尿Gd-IgA1水平与IgAN严重程度及肠道黏膜屏障损伤指标相关。
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