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Krupka, S. ; Hoffmann, A. ; Jasaszwili, M.* ; Dietrich, A.* ; Guiu-Jurado, E.* ; Klöting, N. ; Blüher, M.

Consequences of COVID-19 on adipose tissue signatures.

Int. J. Mol. Sci. 25:2908 (2024)
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Since the emergence of coronavirus disease-19 (COVID-19) in 2019, it has been crucial to investigate the causes of severe cases, particularly the higher rates of hospitalization and mortality in individuals with obesity. Previous findings suggest that adipocytes may play a role in adverse COVID-19 outcomes in people with obesity. The impact of COVID-19 vaccination and infection on adipose tissue (AT) is currently unclear. We therefore analyzed 27 paired biopsies of visceral and subcutaneous AT from donors of the Leipzig Obesity BioBank that have been categorized into three groups (1: no infection/no vaccination; 2: no infection but vaccinated; 3: infected and vaccinated) based on COVID-19 antibodies to spike (indicating vaccination) and/or nucleocapsid proteins. We provide additional insights into the impact of COVID-19 on AT biology through a comprehensive histological transcriptome and serum proteome analysis. This study demonstrates that COVID-19 infection is associated with smaller average adipocyte size. The impact of infection on gene expression was significantly more pronounced in subcutaneous than in visceral AT and mainly due to immune system-related processes. Serum proteome analysis revealed the effects of the infection on circulating adiponectin, interleukin 6 (IL-6), and carbonic anhydrase 5A (CA5A), which are all related to obesity and blood glucose abnormalities.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Covid-19 ; Sars-cov-2 Infection ; Adipose Tissue ; Obesity; Mitochondrial Carbonic-anhydrase; Sars-cov-2 Infection; Obesity; Interleukin-6; Hyperglycemia; Inflammation; Expression; Glucose
Language english
Publication Year 2024
HGF-reported in Year 2024
ISSN (print) / ISBN 1661-6596
e-ISSN 1422-0067
Quellenangaben Volume: 25, Issue: 5, Pages: , Article Number: 2908 Supplement: ,
Publisher MDPI
Publishing Place Basel
Reviewing status Peer reviewed
Institute(s) Helmholtz Institute for Metabolism, Obesity and Vascular Research (HI-MAG)
POF-Topic(s) 30201 - Metabolic Health
Research field(s) Helmholtz Diabetes Center
PSP Element(s) G-506501-001
G-506500-001
Grants Deutsche Diabetes Gesellschaft e.V.
Scopus ID 85187467453
PubMed ID 38474155
Erfassungsdatum 2024-05-08