注射药物使用改变了B细胞反应的血调节
Sanghita Sarkar1, Dave D Hill2, Alexander F Rosenberg2
1Infectious Diseases Division, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35249, USA.
注射毒品的人 (PWID) 呈现出明显的血蛋白质和改变的B细胞免疫力. 它们的血抑制了B细胞的增殖,并影响了B细胞的分化,突显了PWID中的全身免疫失调.
科学领域:
- 免疫学 免疫学 免疫学
- 公共卫生 公共卫生
- 蛋白质组学是指蛋白质组学.
背景情况:
- 阿片类药物流行影响了数百万注射药物使用者 (PWID).
- 经历PWID的严重感染和炎症状况的发病率增加.
- 在PWID中发生的系统性免疫变化,特别是幽默免疫,需要进一步调查.
研究的目的:
- 在注射毒品的人 (PWID) 中调查幽默免疫系统性改变.
- 分析血蛋白质组及其对PWID.B细胞响应性的调节作用.
- 了解注射药物使用如何影响B细胞增殖和分化.
主要方法:
- 使用质谱和ELISA对HIV/HCV阴性PWID进行综合性血蛋白质组学.
- 在体外评估B细胞增殖和转录特征,使用流细胞计和RNA-Seq.
- 对PWID和健康对照对B细胞反应的血影响的分析.
主要成果:
- PWID的血蛋白质与健康对照不同,具有改变的免疫分析物 (例如补充物,免疫球蛋白,炎症媒介物).
- 来自PWID的血在体外抑制了B细胞的增殖.
- PWID血治疗改变了B细胞信号通路和转移了分化配置文件.
结论:
- 在注射毒品的人 (PWID) 中,系统性炎症环境发生了显著的变化.
- 在PWID中改变的血蛋白质组可能会对B细胞免疫反应产生负面影响.
- 研究结果表明,PWID中感染易感性增加的潜在机制.
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