High Number and Specific Comorbidities Could Impact the Immune Response in COVID-19 Patients

作者：Dafeng Liu, Xiaoyan Yuan, Fengjiao Gao, Bennan Zhao, Ling Ding, Mingchang Huan, Chao Liu, Liangshuang Jiang · 发表于：Frontiers in Immunology · 年份：2022 · DOI：10.3389/fimmu.2022.899930 · 被引用次数：26 · 研究领域：COVID-19 Clinical Research Studies、Long-Term Effects of COVID-19、Inflammatory Biomarkers in Disease Prognosis

Background: Cellular immunodeficiency and comorbidities are common in COVID-19 patients. Aim: The purpose of this study was to investigate comorbidities impacting on the cellular immunity in COVID-19 patients. Methods: The research objects included 55 healthy controls and 718 COVID-19 patients who divided into the control group and the COVID-19 group, respectively. Those in the COVID-19 group were divided into subgroups on the basis of the number and types of comorbidities present. Lymphocyte itself and its subsets were compared between the control group and the COVID-19 group, the groups with comorbidities based on the different number and types of comorbidities, and the relationship between the lymphocyte counts and subsets with the number and types of comorbidities was investigated. Results: Compared with the control group, the lymphocyte counts and T cell subsets were significantly increased in the groups with comorbidities, but both B and NK cell subsets were significantly decreased in the no comorbidity group and in most of the groups with comorbidities (all P<0.05). In the three comorbidities group, the lymphocyte counts and T cell subsets were all significantly decreased, but the CD56+ percentage was obviously increased (all P<0.05). The number of comorbidities was negatively correlated with the lymphocyte counts and the T and NK cell subsets. A negative correlation also existed between cancer and both the lymphocyte counts and the T cell subsets, between chronic hepa...