Correlations of the Complement Proteins MASP-2 and MASP-3 With Clinical Severity and Short-Term Outcomes in Primary Membranous Nephropathy Patients.

IF 2.4 4区 医学 Q2 UROLOGY & NEPHROLOGY
Nephrology Pub Date : 2025-05-01 DOI:10.1111/nep.70041
Tong Liu, Miao Hu, Yujie Bai, Jiayan Zhang, Yi Deng, Lei Shen, Ling Zhou
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引用次数: 0

Abstract

Aim: This study aimed to explore the serum levels of mannose binding lectin-associated serine protease 2(MASP-2) and 3(MASP-3) in primary membranous nephropathy (PMN) patients and its correlation with clinical activity and short-term prognosis.

Methods: Serum levels of MASP-2, MASP-3 and C5a were measured in 72 PMN patients, 71 IgAN patients and 30 healthy controls via enzyme-linked immunosorbent assay (ELISA). Correlations between complement activation biomarkers and clinical parameters were analysed using Spearman correlation. Logistic regression analysis was used to identify risk factors for short-term clinical non-remission in PMN patients, and the predictive performance of the factors was evaluated using ROC curves and the area under the ROC curve (AUC).

Results: Serum MASP-2 levels in the PMN group were lower than in both the healthy control and IgAN groups, while levels in the IgAN group were higher than in the healthy control group. Serum levels of MASP-3 and C5a in the PMN group were not significantly different from those in the IgAN group. Both patient groups had significantly elevated serum levels of MASP-3 and C5a compared to the healthy control group. In PMN patients, serum MASP-3 and C5a levels correlated with clinical indicators such as eGFR, serum creatinine and 24-h urinary protein. Multivariate logistic regression analysis revealed that serum anti-phospholipase A2 receptor antibody (anti-PLA2R-ab) and MASP-3 were independent risk factors for the non-remission of PMN at 12 months. The combined detection of serum MASP-3 and anti-PLA2R-ab had a greater AUC for predicting early non-remission than either factor alone.

Conclusion: Serum MASP-3 and C5a can serve as biomarkers reflecting the clinical severity of PMN. The combined detection of serum MASP-3 and anti-PLA2R-ab will improve the prediction efficiency of PMN prognosis.

补体蛋白MASP-2和MASP-3与原发性膜性肾病患者临床严重程度和短期预后的相关性
目的:探讨原发性膜性肾病(PMN)患者血清甘露糖结合凝集素相关丝氨酸蛋白酶2(MASP-2)和3(MASP-3)水平及其与临床活动和短期预后的关系。方法:采用酶联免疫吸附试验(ELISA)检测72例PMN患者、71例IgAN患者和30例健康对照者血清中MASP-2、MASP-3和C5a水平。采用Spearman相关分析补体活化生物标志物与临床参数的相关性。采用Logistic回归分析确定PMN患者短期临床不缓解的危险因素,并采用ROC曲线及ROC曲线下面积(AUC)评价各因素的预测效果。结果:PMN组血清MASP-2水平低于健康对照组和IgAN组,IgAN组高于健康对照组。PMN组与IgAN组血清MASP-3、C5a水平差异无统计学意义。与健康对照组相比,两组患者血清中MASP-3和C5a水平均显著升高。PMN患者血清MASP-3、C5a水平与eGFR、血清肌酐、24小时尿蛋白等临床指标相关。多因素logistic回归分析显示,血清抗磷脂酶A2受体抗体(anti-PLA2R-ab)和MASP-3是PMN 12个月未缓解的独立危险因素。联合检测血清MASP-3和抗pla2r -ab在预测早期非缓解方面的AUC高于单独检测这两种因素。结论:血清MASP-3、C5a可作为反映PMN临床严重程度的生物标志物。联合检测血清MASP-3和anti-PLA2R-ab可提高PMN预后的预测效率。
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来源期刊
Nephrology
Nephrology 医学-泌尿学与肾脏学
CiteScore
4.50
自引率
4.00%
发文量
128
审稿时长
4-8 weeks
期刊介绍: Nephrology is published eight times per year by the Asian Pacific Society of Nephrology. It has a special emphasis on the needs of Clinical Nephrologists and those in developing countries. The journal publishes reviews and papers of international interest describing original research concerned with clinical and experimental aspects of nephrology.
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