Miroslav Marcin, Ondrej Zahornacký, Mária Kacírová, M. Sulíková, Miloslava Bajer-Ďuráčová, P. Rehulka, P. Bober, J. Fedacko, P. Jarčuška, J. Sabó
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Initial high throughput proteomic analysis reveals alterations in CD19+ B lymphocyte profile in acute COVID-19 patients
The immune response to SARS-CoV-2, the virus responsible for COVID-19, involves intricate interactions between immune cells and viral antigens. CD19+ lymphocytes play a critical role in driving the humoral immune response. In this study, high-throughput proteomic analysis was performed using tandem mass spectrometry to investigate the changes in proteomic profiles of CD19+ whole cell lysates from 6 healthy individuals and 6 acute COVID-19 patients. The volcano plot and heat map showed significant differences in proteomic profiles between these two groups, indicating a distinct molecular signature associated with acute COVID-19. Enrichment analysis, especially over-representation analysis (ORA) using the Reactome database, revealed that proteins involved in neutrophil degranulation and interferon alpha/beta signaling pathways were among the most affected, indicating alterations in key defense processes. These findings, therefore, provide new insights into the molecular mechanisms underlying CD19+ cell responses in acute COVID-19.
期刊介绍：
Acta virologica is an international journal of predominantly molecular and cellular virology. Acta virologica aims to publish papers reporting original results of fundamental and applied research mainly on human, animal and plant viruses at cellular and molecular level. As a matter of tradition, also rickettsiae are included. Areas of interest are virus structure and morphology, molecular biology of virus-cell interactions, molecular genetics of viruses, pathogenesis of viral diseases, viral immunology, vaccines, antiviral drugs and viral diagnostics.
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