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血清白细胞介素21水平与大疱性类天疱疮无相关性

There is no correlation between the serum level of interleukin-21 and bullous pemphigoid

摘要:

目的 探讨大疱性类天疱疮(BP)患者血清白细胞介素(IL)21水平与抗BP180抗体、嗜酸性粒细胞(EOS)水平、BP疾病面积指数(BPDAI)的相关性.方法 酶联免疫吸附试验检测31例BP患者和31例健康对照血清IL-21水平,并检测患者血清抗BP180抗体滴度,评估13例患者BPDAI,分析IL-21水平与抗BP180抗体滴度、EOS计数及BPDAI的关系.结果 患者组血清IL-21水平[M(P25~P75)]为255.28(156.19 ~ 361.59) ng/L,健康对照组为150.47 (72.4~ 268.73) ng/L,两组差异无统计学意义(P=0.14).BP患者血清IL-21水平与抗BP180抗体水平[82.98(26.82~132.92) U/ml]无统计学相关性(rs=0.18,P=0.332).27例有EOS计数的BP患者中,血清IL-21与全血EOS绝对值无统计学相关性(rs=0.104,P=0.606).13例评估BPDAI的患者中,血清IL-21与BPDAI亦无统计学相关性(rs=-0.233,P=0.464).结论 BP患者IL-21水平与抗BP180抗体、EOS水平、BPDAI均不相关.

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abstracts:

Objective To investigate the correlations of the serum level of interleukin-21 (IL-21) with anti-BP 180 antibodies,peripheral eosinophil level,bullous pemphigoid disease area index (BPDAI)in patients with bullous pemphigoid (BP).Methods A total of 31 patients with bullous pemphigoid and 31 healthy controls were enrolled into this study.Blood samples were collected from all the subjects,and enzyme-linked immunosorbent assay (ELISA) was performed to detect the serum level of IL-21 and serum titer of anti-BP180 antibodies.BPDAI was assessed among 13 patients,and the correlation of the IL-21 level with anti-BP180 antibody titers,eosinophil count and BPDAI were analyzed.Results No significant difference in the serum level of IL-21 was observed between the patients (M [P25-P75]:255.28 [156.19-361.59] ng/L) and healthy controls (150.47 [72.4-268.73] ng/L,P =0.14).There was no correlation between the serum level of IL-21 and serum titer of anti-BP180 antibodies (82.98 [26.82-132.92] U/ml,rs =0.18,P =0.332).Among the 27 BP patients who underwent blood cell count,no correlation was found between the serum levels of IL-21 and whole-blood eosinophil counts (rs =0.104,P =0.606).Among the 13 BP patients who underwent assessment of BPDAI,there was no correlation between the serum levels of IL-21 and BPDAI scores (rs =0.233,P =0.464).Conclusion The IL-21 level is uncorrelated with anti-BP 180 antibody level,peripheral eosinophil level or BPDAI in patients with BP.

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