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Hagemann, T. ; Czechowski, P. ; Ghosh, A.* ; Sun, W.* ; Dong, H.* ; Noé, F.* ; Wolfrum, C.* ; Blüher, M. ; Hoffmann, A.

Laminin α4 expression in human adipose tissue depots and its association with obesity and obesity related traits.

Biomedicines 11:11 (2023)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Laminin α4 (LAMA4) is one of the main structural adipocyte basement membrane (BM) components that is upregulated during adipogenesis and related to obesity in mice and humans. We conducted RNA-seq-based gene expression analysis of LAMA4 in abdominal subcutaneous (SC) and visceral (VIS) adipose tissue (AT) depots across three human sub-cohorts of the Leipzig Obesity BioBank (LOBB) to explore the relationship between LAMA4 expression and obesity (N = 1479) in the context of weight loss (N = 65) and metabolic health (N = 42). We found significant associations of LAMA4 with body fat mass (p < 0.001) in VIS AT; higher expression in VIS AT compared to SC AT; and significant relation to metabolic health parameters e.g., body fat in VIS AT, waist (p = 0.009) and interleukin 6 (p = 0.002) in male VIS AT, and hemoglobin A1c (p = 0.008) in male SC AT. AT LAMA4 expression was not significantly different between subjects with or without obesity, metabolically healthy versus unhealthy, and obesity before versus after short-term weight loss. Our results support significant associations between obesity related clinical parameters and elevated LAMA4 expression in humans. Our work offers one of the first references for understanding the meaning of LAMA4 expression specifically in relation to obesity based on large-scale RNA-seq data.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Lama4 ; Rna-seq ; Adipose Tissue ; Laminin α4 ; Metabolic Health ; Obesity ; Type 2 Diabetes; Cardiovascular-disease; Risk; Cells
Sprache englisch
Veröffentlichungsjahr 2023
HGF-Berichtsjahr 2023
ISSN (print) / ISBN 2227-9059
e-ISSN 2227-9059
Zeitschrift Biomedicines
Quellenangaben Band: 11 Heft: 10, Seiten: , Artikelnummer: 11 Supplement: ,
Verlag MDPI
Verlagsort Basel, Switzerland
Begutachtungsstatus Peer reviewed
Institut(e) Helmholtz Institute for Metabolism, Obesity and Vascular Research (HI-MAG)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Helmholtz Diabetes Center
PSP-Element(e) G-506501-001
Förderungen We thank all patients and their families for participating in this study.
DOI 10.3390/biomedicines11102806
WOS ID 001096534500001
Scopus ID 85175179624
PubMed ID 37893179
Erfassungsdatum 2023-11-28
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