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在移植接受者中,多瘤病毒BK特异性CD4+T细胞对VP1刺激的反应

Nasrin Noshadi¹, Ramin Yaghoubi², Afsoon Afshari³

¹Department of Biology, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran AND Department of Biology, Fars Science and Research Branch, Islamic Azad University, Marvdasht, Iran. nasriinnoshadi@yahoo.com.

Iranian journal of allergy, asthma, and immunology

|October 18, 2024

概括

在移植接受者 (KTRs) 中的多病毒BK (BKPyV) 感染会影响T细胞的反应. 这项研究表明,BKPyV VP1蛋白刺激可以增加细胞毒性CD4+T细胞,可能有助于KTRs中的BKPyV清除.

科学领域:

免疫学免疫学免疫学
移植免疫学移植免疫学
病毒学病毒学

背景情况:

聚瘤病毒BK (BKPyV) 重活化是移植接受者 (KTRs) 的一个问题,通常与T细胞反应减弱有关.
了解CD4+T细胞子集的动态对于治疗移植后的BKPyV感染至关重要.

研究的目的:

研究CD4+T细胞子集对BKPyV的反应的分化,特别是使用病毒囊蛋白1 (VP1) 作为KTRs中的刺激剂.
为了比较BKPyV反应性 (BKPyV+),非反应性 (BKPyV-) KTR和健康对照之间的T细胞反应.

主要方法:

将参与者分为BKPyV+KTR,BKPyV-KTR和健康对照组.
用BKPyV VP1抗原刺激CD4+ T细胞.
流细胞计分析以量化天真T细胞,中心记忆T细胞 (TCM) 和效应记忆T细胞 (TEM).

主要成果:

与BCPyV+ KTR和健康对照相比,BCPyV-KTR中的VP1刺激导致TCM水平显著降低.
在BKPyV-KTRs VP1+中,TEM细胞的百分比明显低于BKPyV+ KTRs VP1-和健康对照VP1+的百分比.
与BCPyV+ KTRs VP1-.相比,VP1刺激显著增加了BCPyV-KTRs VP1+中的细胞毒性CD4+T细胞.

结论:

对CD4+T细胞的BCPyV VP1蛋白刺激可以诱导细胞毒性CD4+T细胞反应,可能有助于克服KTRs中的BCPyV感染.
VP1刺激可能对KTR中TCM和TEMCD4+T细胞子集产生差异性影响,需要进一步调查.

关键词:

在 CD4 T 细胞中.移植脏的情况多重瘤病毒BK BK 这是一种VP1蛋白质.

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