In order to detect the immunosuppression status of COVID-19 patients, this study collected blood samples of COVID-19 patients on the 10th, 20th and 30th days after the onset of symptoms, and detected the proinflammatory, anti-inflammatory factors,immunosuppressive marker,immune cells in the blood samples to evaluate the immunosuppression status of COVID-19 patients.
After SARS-CoV-2 infection, the patient's immune system is overactivated. While the immune cells release a large number of proinflammatory factors, anti-inflammatory response starts at the same time. Anti-inflammatory factors such as IL-4, IL-10, and IL-37 will be compensated to resist the release of proinflammatory factors and prevent the further development of systemic inflammatory response. However, when the anti-inflammatory factor is excessively released, it will cause compensatory response syndrome, leading to immunosuppression. Whether the level of anti-inflammatory factors continues to rise, and whether it will lead to the persistence of later immunosuppression is unknown. Therefore, this study intends to recruit COVID-19 patients, detect the pro-inflammatory and anti-inflammatory factors,immunosuppressive marker,immune cells in 10 days, 20days, and 30days after the symptoms appear, and evaluate the immunosuppression status of patients with COVID-19
Study Type
OBSERVATIONAL
Enrollment
200
Collect the patient's whole blood for testing
Qilu Hospital of Shandong University
Jinan, Shandong, China
RECRUITINGThe concentration of inflammatory markers (IL-1β、IL-2、 IL-2R 、IL-4 、 IL-6 、 IL-8、 IL-10 、IFN-γ、TNF-α 、VEGF, etc.) in peripheral blood.
Time frame: 10, 20, 30days
The concentration of immunosuppression makers(HLA-DR, PD-1, TIM-3,etc.) in peripheral blood.
Time frame: 10, 20, 30days
The number of immune cells(Th1/Th2 cell, Treg cell, MDSCs,etc.) in peripheral blood.
Time frame: 10, 20, 30days
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