COVID-19 salivary protein profile: unravelling molecular aspects of SARS-CoV-2 infection

Eduardo Esteves, Vera M. Mendes, Bruno Manadas, Rafaela Lopes, Liliana Bernardino, Maria José Correia, Marlene Barros, Ana Cristina Esteves, Nuno Rosa*

*Autor correspondente para este trabalho

Resultado de pesquisarevisão de pares

2 Transferências (Pure)

Resumo

COVID-19 is the most impacting global pandemic of all time, with over 600 million infected and 6.5 million deaths worldwide, in addition to an unprecedented economic impact. Despite the many advances in scientific knowledge about the disease, much remains to be clarified about the molecular alterations induced by SARS-CoV-2 infection. In this work, we present a hybrid proteomics and in silico interactomics strategy to establish a COVID-19 salivary protein profile. Data are available via ProteomeXchange with identifier PXD036571. The differential proteome was narrowed down by the Partial Least-Squares Discriminant Analysis and enrichment analysis was performed with FunRich. In parallel, OralInt was used to determine interspecies Protein-Protein Interactions between humans and SARS-CoV-2. Five dysregulated biological processes were identified in the COVID-19 proteome profile: Apoptosis, Energy Pathways, Immune Response, Protein Metabolism and Transport. We identified 10 proteins (KLK 11, IMPA2, ANXA7, PLP2, IGLV2-11, IGHV3-43D, IGKV2-24, TMEM165, VSIG10 and PHB2) that had never been associated with SARS-CoV-2 infection, representing new evidence of the impact of COVID-19. Interactomics analysis showed viral influence on the host immune response, mainly through interaction with the degranulation of neutrophils. The virus alters the host’s energy metabolism and interferes with apoptosis mechanisms.
Idioma originalEnglish
Número do artigo5571
Número de páginas21
Revista Journal of Clinical Medicine
Volume11
Número de emissão19
DOIs
Estado da publicaçãoPublicado - 22 set 2022

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