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CircRNA malignant fibrous histiocytoma amplified Sequence 1 (MFHAS1) reduced inflammatory responses in a Colitis Model via SIRT1/NF-κB

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Resumo:Abstract Ulcerative colitis (UC) is a chronic and non-specific inflammatory bowel disease (IBD). Its pathogenesis remains unclear, but its morbidity shows an increasing trend year by year. The pathogenesis of UC may be related to the genetic susceptibility, immune factor and intestinal microflora. In the last few years, an increasing number of studies have examined the relationship between the expression levels of peripheral CircRNA and UC. We aimed to evaluate the efficacy of CircRNA MFHAS1 in colitis and its possible mechanism. The expression of CircRNA MFHAS1 was reduced in colitis, and miR-486-5p expression was also increased in citrobacter rodentium-induced murine colitis. In vitro model, over-expression of CircRNA MFHAS1 reduced inflammatory responses, induced SIRT1 protein expression, and suppressed NF-κB protein expression. However, miR-486-5p CircRNA MFHAS1 suppressed SIRT1 protein expression, and induced NF-κB protein expression in vitro model. The inactivation of SIRT1 reduced the anti-inflammation effects of CircRNA MFHAS1 on inflammatory responses in vitro model. Over-expression of miR-486-5p also reduced the anti-inflammation effects of CircRNA MFHAS1 in vitro model. Our results demonstrated that CircRNA MFHAS1 reduces inflammatory responses in Colitis via SIRT1/NF-κB by miR-486-5p.
Autores principais:WANG,Hong
Outros Autores:HU,Ying
Assunto:CircRNA MFHAS1 Colitis NF-κB SIRT1 miR-486-5p
Ano:2021
País:Brasil
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:IBICT
Idioma:inglês
Origem:Oasisbr

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