LncRNA CASC11 is an oncogene in several types of cancer, while its role in atherosclerosis is unknown. In the present study we found that CASC11 was downregulated, while IL-9 was upregulated in plasma of atherosclerosis patients compared with healthy controls. Altered plasma levels of CASC11 and IL-9 distinguished atherosclerosis patients from healthy controls. CASC11 and IL-9 were significantly and inversely correlated in atherosclerosis patients but not in healthy controls. Exogenous IL-9 treatment failed to significantly affect expression levels of CASC11 in vascular smooth muscle cells (VSMC), while CASC11 overexpression resulted in the downregulation of IL-9. CASC11 overexpression also resulted in the downregulation of proliferation and promoted apoptosis of VSMC. Therefore, CASC11 may improve atherosclerosis by downregulating IL-9 and regulating VSMC apoptosis and proliferation.
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| http://dx.doi.org/10.1080/09168451.2019.1597621 | DOI Listing |
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