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Sex-related differences in markers of immune activation in virologically suppressed HIV-infected patients.
Biology of Sex Differences ( IF 7.9 ) Pub Date : 2020-05-01 , DOI: 10.1186/s13293-020-00302-x
Letizia Santinelli 1, 2 , Giancarlo Ceccarelli 2 , Cristian Borrazzo 2 , Giuseppe Pietro Innocenti 2 , Federica Frasca 1 , Eugenio Nelson Cavallari 2 , Luigi Celani 2 , Chiara Nonne 1 , Claudio Maria Mastroianni 2 , Gabriella d'Ettorre 2
Affiliation  

OBJECTIVES Gender-specific studies remain a neglected area of biomedical research. Recent reports have emphasized that sex-related biological factors may affect disease progression during HIV-1 infection. The aim of this study was to investigate the influence of sex on the levels of immune activation in the gut and in peripheral blood of individuals with HIV treated with fully suppressive antiretroviral therapy (ART). METHODS Thirty individuals with HIV undergoing long-term fully suppressive ART were enrolled in this study. Lamina propria lymphocytes (LPL) and peripheral blood mononuclear cells (PBMCs) were isolated from gut biopsies collected by pancolonoscopy and peripheral blood samples. The expression of markers of immune activation was evaluated by multi-parametric flow cytometry. This is a sub analysis of ClinicalTrials.gov Identifier: NCT02276326 RESULTS: We observed differences in the levels of immune activation in the gut and in PBMCs, with values higher in the gut compartment compared to PBMCs. In addition, we found that the mean value of the levels of immune activation was higher in the women than in the men. Finally, we measured the markers of immune activation by mean relative difference (MRD) and confirmed the higher value in the women. CONCLUSION A significant sex-related difference in the level of immune activation was observed in a population of individuals with HIV on long-term ART. A more complete characterization of these differences may support the introduction of sex-specific approaches in the clinical management of individuals with HIV.

中文翻译:

在病毒学抑制的HIV感染患者中,免疫激活标记物的性别相关差异。

目标性别特异性研究仍然是生物医学研究中被忽视的领域。最近的报告强调,与性相关的生物学因素可能会影响HIV-1感染期间的疾病进展。这项研究的目的是研究性别对接受完全抑制性抗逆转录病毒疗法(ART)治疗的HIV个体的肠道和外周血中免疫活化水平的影响。方法本研究招募了30位长期接受完全抑制性ART的HIV感染者。从通过全结肠镜检查和外周血样本收集的肠活检组织中分离出固有层淋巴细胞(LPL)和外周血单核细胞(PBMC)。通过多参数流式细胞术评估免疫激活标志物的表达。这是ClinicalTrials.gov标识符的子分析:NCT02276326结果:我们观察到肠道和PBMC中免疫激活水平的差异,与PBMC相比,肠道中的免疫激活水平更高。此外,我们发现女性的免疫激活水平平均值高于男性。最后,我们通过平均相对差异(MRD)测量了免疫激活的标志物,并确认了女性中较高的价值。结论在长期接受抗逆转录病毒治疗的HIV感染人群中,观察到了与性别相关的免疫激活水平显着差异。这些差异的更完整特征可能支持在艾滋病毒个体的临床管理中引入针对性别的方法。与PBMC相比,其在肠腔中的含量更高。此外,我们发现女性的免疫激活水平平均值高于男性。最后,我们通过平均相对差异(MRD)测量了免疫激活的标志物,并确认了女性中较高的价值。结论在长期接受抗逆转录病毒治疗的HIV感染人群中,观察到了与性别相关的免疫激活水平显着差异。这些差异的更完整特征可能支持在艾滋病毒个体的临床管理中引入针对性别的方法。与PBMC相比,其在肠腔中的含量更高。此外,我们发现女性的免疫激活水平平均值高于男性。最后,我们通过平均相对差异(MRD)测量了免疫激活的标志物,并确认了女性中较高的价值。结论在长期接受抗逆转录病毒治疗的HIV感染人群中,观察到了与性别相关的免疫激活水平显着差异。这些差异的更完整特征可能支持在艾滋病毒个体的临床管理中引入针对性别的方法。我们通过平均相对差异(MRD)测量了免疫激活的标志物,并证实了女性中较高的价值。结论在长期接受抗逆转录病毒治疗的HIV感染人群中,观察到了与性别相关的免疫激活水平显着差异。这些差异的更完整特征可能支持在艾滋病毒个体的临床管理中引入针对性别的方法。我们通过平均相对差异(MRD)测量了免疫激活的标志物,并证实了女性中较高的价值。结论在长期接受抗逆转录病毒治疗的HIV感染人群中,观察到了与性别相关的免疫激活水平显着差异。这些差异的更完整表征可以支持在艾滋病毒个体的临床管理中引入针对性别的方法。
更新日期:2020-05-01
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