J Allergy Clin Immunol:基于组织和血液的平台可精准诊断嗜酸粒细胞性胃炎

2020-11-09 MedSci原创 MedSci原创

嗜酸粒细胞性胃炎(EG)是一种具有明显胃嗜酸粒细胞增多和临床症状的临床病理疾病。EG患者对更精确的诊断工具的需求尚未得到满足。本研究旨在开发基于组织和血液的EG诊断平台。

嗜酸粒细胞性胃炎(EG)是一种具有明显胃嗜酸粒细胞增多和临床症状的临床病理疾病。EG患者对更精确的诊断工具的需求尚未得到满足。本研究旨在开发基于组织和血液的EG诊断平台。
研究人员在9个嗜酸粒细胞胃肠病研究者联盟相关站点招募了患有EG的患者和没有EG的对照受试者。分析了EG诊断面板(EGDP;胃转录子集)和EG血液生物标志物面板(蛋白多路阵列)。EGDP18评分来自18个高度失调基因的表达,血液EG评分来自失调的细胞因子/趋化因子水平。
 
研究人员分析了185名受试者的胃活检标本和血液样本(EG患者,n = 74;无EG的对照受试者,n = 111)。EGDP(1)识别出活动性EG患者(P < .0001,曲线下面积≥0.95),(2)有效监测纵向样本中的疾病活动(P = .0078),(3)同患者样本高度相关(前庭与身体,r = 0. 85,P < .0001),(4)与胃嗜酸粒细胞峰值水平(r = -0.83,P < .0001)、胃周领(r = -0.73,P < .0001)和内镜下结节度(r = -0.45,P < .0001)成反比。对于基于血液的平台,eotaxin-3,胸腺和激活调节的趋化因子,IL-5和胸腺基质淋巴生成素水平显著增加。血液EG评分(1)将EG患者与无EG的对照组患者区分开来(P < .0001,曲线下面积≥0.91),(2)与胃嗜酸粒细胞水平相关(血浆:r = 0.72,P = .0002;血清:r = 0.54,P = .0015),(3)与EGDP18评分反向相关(血浆:r = -0.64,P = .0015;血清:r = -0.46,P = .0084)。血浆eotaxin-3水平与胃CCL26表达强烈相关(r = 0.81,P < .0001)。
综上所述,我们开发了基于组织和血液的平台来评估EG,并发现了特定胃分子图谱与组织学和内镜特征之间的强大关联,为这种新兴的罕见疾病提供了洞察力和临床准备工具。
 
原始出处:
 
Tetsuo Shoda, Ting Wen, et al., Molecular, endoscopic, histologic, and circulating biomarker-based diagnosis of eosinophilic gastritis: Multi-site study. J Allergy Clin Immunol . 2020 Jan;145(1):255-269. doi: 10.1016/j.jaci.2019.11.007. Epub 2019 Nov 16.

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    2021-04-01 周泡泡
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    2020-11-11 膀胱癌
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