细胞巨乳病毒IgG与艾滋病毒感染者的身体功能有关,但与肌肉密度无关
Maheen Z Abidi1, Triin Umbleja2, Edgar T Overton3
1Division of Infectious Diseases, Department of Medicine, University of Colorado, Denver, CO.
Journal of acquired immune deficiency syndromes (1999)
|January 5, 2024
概括
较高的细胞巨乳病毒 (CMV) IgG抗体水平与艾滋病毒 (PWH) 感染者的身体功能恶化有关. 即使考虑到过去的免疫问题或肌肉质量等因素,这种关联仍然存在.
科学领域:
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
- 公共卫生 公共卫生
背景情况:
- 细胞巨乳病毒 (CMV) 血清阳性与没有艾滋病毒的个体的不良健康结果有关,包括身体功能下降.
- 在艾滋病毒感染者 (PWH) 中,CMV IgG抗体标位与身体功能之间的关系仍未得到充分探索.
研究的目的:
- 调查细胞巨乳病毒 (CMV) IgG抗体标位与艾滋病毒病毒学抑制患者 (PWH) 的身体功能之间的关联.
主要方法:
- 该研究分析了REPRIEVE试验的一个副研究的数据,该研究涉及艾滋病毒感染者的参与者.
- 细胞巨乳病毒 (CMV) IgG抗体水平被量化,并使用短物理性能电池 (SPPB) 评估身体功能.
- 统计分析,包括部分斯皮尔曼相关性和回归模型,用于评估关联,控制相关的共变量.
主要成果:
- 在717名参与者中,较高的CMVIgG标位与较差的整体修改SPPB得分显著相关 (P = 0.02).
- 通过CT成像评估的CMV IgG标位和肌肉密度或区域之间没有发现任何关联 (P ≥0.38).
- 观察到的CMV IgG与身体功能之间的联系独立于年龄,CD4数量最低点和高灵敏性C反应性蛋白水平.
结论:
- 细胞巨乳病毒 (CMV) IgG标位升高与艾滋病毒 (PWH) 感染者的身体功能下降相关.
- 这种关联不能归因于先前的免疫损害,炎症或肌肉组成的改变.
- 需要进一步的研究来阐明潜在的机制,并探索CMV特异性疗法对PWH体能功能的潜在益处.
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