Acetyl-CoA carboxylase 1 regulates endothelial cell migration by shifting the phospholipid composition

Autor: Oliver Werz, Iris Bischoff, Rolf Müller, Helmut Pein, Nelli Keksel, Anna Stark, Andreas Koeberle, Daniel K. Glatzel, Konstantin Löser, Robert Fürst
Přispěvatelé: HIPS, Helmholtz-Institute für pharmazeutische Forschung Saarland, Universitätscampus E8.1, 66123 Saarbrücken, Germany.
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Journal of Lipid Research, Vol 59, Iss 2, Pp 298-311 (2018)
ISSN: 0022-2275
Popis: The enzyme acetyl-CoA carboxylase (ACC) plays a crucial role in fatty acid metabolism. In recent years, ACC has been recognized as a promising drug target for treating different diseases. However, the role of ACC in vascular endothelial cells (ECs) has been neglected so far. To characterize the role of ACC, we used the ACC inhibitor, soraphen A, as a chemical tool, and also a gene silencing approach. We found that ACC1 was the predominant isoform in human umbilical vein ECs as well as in human microvascular ECs and that soraphen A reduced the levels of malonyl-CoA. We revealed that ACC inhibition shifted the lipid composition of EC membranes. Accordingly, membrane fluidity, filopodia formation, and migratory capacity were reduced. The antimigratory action of soraphen A depended on an increase in the cellular proportion of PUFAs and, most importantly, on a decreased level of phosphatidylglycerol. Our study provides a causal link between ACC, membrane lipid composition, and cell migration in ECs. Soraphen A represents a useful chemical tool to investigate the role of fatty acid metabolism in ECs and ACC inhibition offers a new and valuable therapeutic perspective for the treatment of EC migration-related diseases.
Databáze: OpenAIRE