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您的检索式：作者名="Andres A.Herrada"
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| 1 | SARS-CoV-2 infection causes immunodeficiency in recovered patients by downregulating CD19 expression in B cells via enhancing B-cell metabolism显示文摘The SARS-CoV-2 infection causes severe immune disruption.However,it is unclear if disrupted immune regulation still exists and pertains in recovered COVID-19 patients.In our study,we have characterized the immunephe no type of B cells from 15 recovered COVID-19 patients,and found that healthy controls and recovered patients had similar B-cell populations before and after BCR stimulation,but the frequencies of PBC in patients were significantly increased when compared to healthy controls before stimulation.However,the percentage of unswitched memory B cells was decreased in recovered patients but not changed in healthy controls upon BCR stimulation.Interestingly,we found that CD19 expression was significantly reduced in almost all the B-cell subsets in recovered patients.Moreover,the BCR signaling and early B-cell response were disrupted upon BCR stimulation.Mechanistically,we found that the reduced CD19 expression was caused by the dysregulation of cell metabolism.In conclusion,we found that SARS-CoV-2 infection causes immunodeficiency in recovered patients by downregulating CD19 expression in B cells via enhandng B-cell metabolism,which may provide a new intervention target to cure COVID-19. | Yukai Jing Li Luo Ying Chen Lisa S.Westerberg Peng Zhou Zhiping Xu Andres A.Herrada Chan-Sik Park Masato Kubo Heng Mei Yu Hu Pamela Pui-Wah Lee Bing Zheng Zhiwei Sui Wei Xiao Quan Gong Zhongxin Lu Chaohong Liu | 2021 | Signal Transduction and Targeted Therapy2021，6，10： | 0 |
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