miRNA-23a has effects to improve lung injury induced by sepsis in vitro and vivo study - 20/09/18
, Min Mao, Yuan-yuan ZhenBienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Aim |
The aim of this study is to explain the effects and mechanism of miRNA-23a in lung injury which were induced by sepsis in vitro and vivo.
Methods |
In the vitro study, The BEAS-2B cells were divided into 4 groups: NC, MC, miRNA and miRNA + PTEN agonist groups. The cell proliferation and apoptosis of difference groups were measured by MTT and flow cytometry, the relative proteins expression of difference groups were measured by WB assay. In the vivo study, the rats were also divided into 4 groups: NC, MC, miRNA and miRNA + PTEN agonist groups. The miRNA-23a expression of difference groups were evaluated by ISH in lung tissues of rats. The cell apoptosis of difference groups were evaluated by TUNEL assay in lung tissues; the relative proteins expression of difference groups were evaluated by IHC assay.
Results |
Compared with NC group, the cell apoptosis rate of MC groups were significantly increased in vitro and vivo studies (P ＜ 0.05, respectively). The relative proteins (PTEN, PI3K, AKT and P53) expressions of MC group were significantly differences (P ＜ 0.05, respectively) compared with those of NC groups in vitro and vivo studies. However, with miRNA-23a infection, the cell apoptosis of miRNA group were significantly suppressed compared with MC groups, and the relative proteins (PTEN, PI3K, AKT and P53) of miRNA group were also significantly differences compared with MC groups in vitro and vivo studies (P ＜ 0.05, respectively).
Conclusion |
The miRNA-23a has improved lung injury induced by sepsis via PTEN/PI3K/AKT/P53 pathway in vitro and vivo studies.
Le texte complet de cet article est disponible en PDF.Keywords : miRNA-23a, Lung injury, Sepsis, PTEN
Plan
Vol 107
P. 81-89 - novembre 2018 Retour au numéro
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