Proteomics

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SARS-CoV-2 infects adipose tissue in a fat depot- and viral lineage-dependent manner


ABSTRACT: Visceral adiposity is a risk factor for severe COVID-19, and a link between adipose tissue infection and disease progression has been proposed. Here we demonstrate that SARS-CoV-2 infects human adipose tissue and undergoes productive infection in human primary adipose-derived stromal-vascular cells differentiated into adipocytes. However, the permissiveness to infection and the cellular response depends on the anatomical origin of the cells and the viral lineage. Cells of visceral adipose tissue origin express more ACE2 and are more permissive to SARS-CoV-2 infection than their subcutaneous counterpart. SARS-CoV-2 infection leads to inhibition of lipolysis in cells of subcutaneous origin, while in visceral fat cells, it results in higher expression of pro-inflammatory cytokines. Viral load and cellular response are attenuated when visceral adipose tissue cells are infected with the SARS-CoV-2 gamma variant. A similar degree of cell death occurs 4-days after SARS-CoV-2 infection, regardless of the cell origin or viral lineage. Hence, SARS-CoV-2 infects human adipose tissue cells, replicating and altering cell function and viability in a fat depot- and viral lineage-dependent fashion.

INSTRUMENT(S): Synapt MS

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Adipocyte, Mesenteric Adipose Tissue, Subcutaneous Adipose Tissue

DISEASE(S): Covid-19

SUBMITTER: Bradley Smith  

LAB HEAD: Marcelo A. Mori

PROVIDER: PXD034510 | Pride | 2022-10-13

REPOSITORIES: Pride

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SARS-CoV-2 infects adipose tissue in a fat depot- and viral lineage-dependent manner.

Saccon Tatiana Dandolini TD   Mousovich-Neto Felippe F   Ludwig Raissa Guimarães RG   Carregari Victor Corasolla VC   Dos Anjos Souza Ana Beatriz AB   Dos Passos Amanda Stephane Cruz ASC   Martini Matheus Cavalheiro MC   Barbosa Priscilla Paschoal PP   de Souza Gabriela Fabiano GF   Muraro Stéfanie Primon SP   Forato Julia J   Amorim Mariene Ribeiro MR   Marques Rafael Elias RE   Veras Flavio Protasio FP   Barreto Ester E   Gonçalves Tiago Tomazini TT   Paiva Isadora Marques IM   Fazolini Narayana P B NPB   Onodera Carolina Mie Kawagosi CMK   Martins Junior Ronaldo Bragança RB   de Araújo Paulo Henrique Cavalcanti PHC   Batah Sabrina Setembre SS   Viana Rosa Maria Mendes RMM   de Melo Danilo Machado DM   Fabro Alexandre Todorovic AT   Arruda Eurico E   Queiroz Cunha Fernando F   Cunha Thiago Mattar TM   Pretti Marco Antônio M MAM   Smith Bradley Joseph BJ   Marques-Souza Henrique H   Knittel Thiago L TL   Ruiz Gabriel Palermo GP   Profeta Gerson S GS   Fontes-Cal Tereza Cristina Minto TCM   Boroni Mariana M   Vinolo Marco Aurélio Ramirez MAR   Farias Alessandro S AS   Moraes-Vieira Pedro Manoel M PMM   Bizzacchi Joyce Maria Annichino JMA   Teesalu Tambet T   Chaim Felipe David Mendonça FDM   Cazzo Everton E   Chaim Elinton Adami EA   Proença-Módena José Luiz JL   Martins-de-Souza Daniel D   Osako Mariana Kiomy MK   Leiria Luiz Osório LO   Mori Marcelo A MA  

Nature communications 20220929 1


Visceral adiposity is a risk factor for severe COVID-19, and a link between adipose tissue infection and disease progression has been proposed. Here we demonstrate that SARS-CoV-2 infects human adipose tissue and undergoes productive infection in fat cells. However, susceptibility to infection and the cellular response depends on the anatomical origin of the cells and the viral lineage. Visceral fat cells express more ACE2 and are more susceptible to SARS-CoV-2 infection than their subcutaneous  ...[more]

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