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Contribution of adipocyte Na/K-ATPase α1/CD36 signaling induced exosome secretion in response to oxidized LDL
DISCUSSION: In this work, we report that CD36, a scavenger receptor for oxidized LDL, formed a signaling complex with another membrane signal transducer Na/K-ATPase in adipocytes. The atherogenic oxidized LDL induced a pro-inflammatory response in in vitro differentiated mouse and human adipocytes and also stimulated the cells to secrete more exosomes. This was largely blocked by either CD36 knockdown using siRNA or pNaKtide, a peptide inhibitor of Na/K-ATPase signaling. These results showed a critical role of the CD36/Na/K-ATPase signaling complex in oxidized LDL-induced adipocyte exosome secretion. Moreover, by co-incuba...
Source: Atherosclerosis - May 14, 2023 Category: Cardiology Authors: Sneha S Pillai Duane G Pereira Jue Zhang Wenxin Huang Mirza Ahmar Beg Darcy A Knaack Bruno de Souza Goncalves Daisy Sahoo Roy L Silverstein Joseph I Shapiro Komal Sodhi Yiliang Chen Source Type: research