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开发和评估一个NTM-IGRA以指导儿童淋巴炎诊断的指南

Raquel Villar-Hernández^1,2,3,4, Irene Latorre^1,2,3, Antoni Noguera-Julian^5,6,7,8

¹From the Servei de Microbiologia, Hospital Universitari Germans Trias i Pujol, Institut d'Investigació Germans Trias i Pujol, Barcelona, Spain.

The Pediatric infectious disease journal

|December 19, 2023

概括

使用葡萄糖脂 (GPLs) 的新免疫学测试显示,它有望在儿童中诊断非结核性真菌菌菌 (NTM) 感染. 这种NTM-干扰素 (IFN) -γ释放试验 (IGRA) 可以提高诊断准确性和患者管理.

科学领域:

免疫学免疫学免疫学
传染性疾病传染性疾病
儿科儿科儿科

背景情况:

诊断非结核性真菌菌 (NTM) 感染是一项挑战.
开发了一种NTM特异性干扰素 (IFN) -γ释放试验 (IGRA),使用糖脂 (GPLs) 作为抗原.

研究的目的:

评估一种使用GPL抗原的新型NTM-IGRA,用于诊断患有淋巴腺炎的儿科患者的NTM感染.

主要方法:

在99个儿科样本上测试了NTM-IGRA,包括确定的NTM淋巴腺炎,未知病因的淋巴腺炎,非NTM淋巴腺炎和对照.
用GPL刺激了周围血液单核细胞,并使用酶相关的免疫位测定测量了IFN-γ的产生.

主要成果:

与其他组相比,NTM培养确认的淋巴腺炎样本显示出明显更高的GLL反应.
在未知病因病例中观察到较高的GPL反应趋势,结核素皮肤测试 (TST) 呈阳性.

结论:

基于GPL的NTM-IGRA证明了在儿科淋巴腺炎中诊断NTM感染的潜力.
这种测试可以帮助临床决策,改善NTM感染患者的管理,减少误诊.

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