Abstract:
:Toll-like receptor 4 (TLR4) is considered to have a critical role in the occurrence and development of atherosclerosis in atherosclerosis-prone mice; however, it remains uncertain whether treatment with a TLR4 inhibitor may attenuate atherosclerosis. The present study aimed to determine the vascular protective effects of the TLR4 inhibitor CLI-095 on apolipoprotein E‑deficient (ApoE‑/‑) mice. ApoE‑/‑ mice were fed either chow or a high‑fat diet, and were treated with or without CLI‑095 for 10 weeks. The mean atherosclerotic plaque area in the aortic sections of CLI‑095‑treated mice was 54.3% smaller than in the vehicle‑treated mice (P=0.0051). In vitro, murine peritoneal macrophages were treated with or without CLI‑095, and were subsequently stimulated with oxidized low‑density lipoprotein. Treatment with CLI‑095 markedly reduced the expression levels of lectin‑like oxidized low‑density lipoprotein receptor‑1 and acyl-coenzyme A:cholesterol acyltransferase‑1, and significantly upregulated the expression levels of ATP‑binding cassette transporter A1, predominantly via suppressing activation of the TLR4/nuclear factor‑κB signaling pathway. The results of the present study indicated that the TLR4 inhibitor CLI‑095 has the ability to suppress the progression of atherosclerosis in an in vivo model by reducing macrophage foam cell formation.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Wang XQ,Wan HQ,Wei XJ,Zhang Y,Qu Pdoi
10.3892/mmr.2016.5233subject
Has Abstractpub_date
2016-07-01 00:00:00pages
49-56issue
1eissn
1791-2997issn
1791-3004journal_volume
14pub_type
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