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Miehle, F. ; Möller, G. ; Cecil, A. ; Lintelmann, J. ; Wabitsch, M.* ; Tokarz, J. ; Adamski, J. ; Haid, M.

Lipidomic phenotyping reveals extensive lipid remodeling during adipogenesis in human adipocytes.

Metabolites 10:217 (2020)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Differentiation of preadipocytes into mature adipocytes is a highly complex cellular process. At lipidome level, the adipogenesis remains poorly characterized. To investigate the lipidomic changes during human adipogenesis, we used the Lipidyze (TM) assay, which quantified 743 lipid species from 11 classes. The undifferentiated human SGBS cell strain showed a heterogeneous lipid class composition with the most abundant classes, phosphatidylethanolamines (PE), phosphatidylcholines (PC), and sphingomyelins (SM). The differentiation process was accompanied by increased ceramide concentrations. After completion of differentiation around day 4, massive lipid remodeling occurred during maturation, characterized by substantial synthesis of diacylglycerols (DAG), lysophosphatidylethanolamines (LPE), PC, PE, SM, and triacylglycerols (TAG). Lipid species composition became more homogeneous during differentiation to highly concentrated saturated and monounsaturated long-chain fatty acids (LCFA), with the four most abundant being C16:0, C16:1, C18:0, and C18:1. Simultaneously, the amount of polyunsaturated and very long-chain fatty acids (VLCFA) markedly decreased. High negative correlation coefficients between PE and PC species containing VLCFA and TAG species as well as between ceramides and SM imply that PE, PC, and ceramides might have served as additional sources for TAG and SM synthesis, respectively. These results highlight the enormous remodeling at the lipid level over several lipid classes during adipogenesis.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Adipocytes ; Adipogenesis ; Differential Mobility Spectrometry (dms) ; Lipidomics ; Lipidyzer ; Mass Spectrometry ; Metabolomics ; Phenotyping ; Simpson-golabi-behmel Syndrome (sgbs); Mass-spectrometry; Proteome Analysis; Fatty-acids; Cell; Differentiation; Expression; Cholesterol; Metabolism; Alpha; Model
Sprache englisch
Veröffentlichungsjahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 2218-1989
e-ISSN 2218-1989
Zeitschrift Metabolites
Quellenangaben Band: 10, Heft: 6, Seiten: , Artikelnummer: 217 Supplement: ,
Verlag MDPI
Verlagsort St Alban-anlage 66, Ch-4052 Basel, Switzerland
Begutachtungsstatus Peer reviewed
Institut(e) Molekulare Endokrinologie und Metabolismus (MEM)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-505600-001
G-505600-003
DOI 10.3390/metabo10060217
WOS ID WOS:000551576900050
Scopus ID 85085767411
PubMed ID 32466532
Erfassungsdatum 2020-06-02
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