ArticleCentral-European journal of immunology2024
LncRNA SNHG16 promotes LPS-induced human bronchial epithelial cell pyroptosis through miR-339-5p/NLRP1 axis mediation.
Article in Central-European journal of immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Pyroptosis can aggravate lung injury in sepsis. It has been reported that lncRNA SNHG16 can regulate the inflammatory response. However, the role and underlying mechanism of SNHG16 in sepsis-induced pyroptosis and lung injury remain unclear. Material and methods: To mimic septic lung injury in vitro, cells were treated with 1 µg/ml LPS. The Cell Counting Kit-8 (CCK-8) assay was performed to test cell viability. The lactate dehydrogenase (LDH) level was detected using a commercial kit. Interleukin (IL)-18 and IL-1 Results: LPS significantly upregulated the levels of SNHG16 and NLRP1 in BEAS-2B cells. In addition, LPS significantly induced pyroptosis in BEAS2B cells, while this phenomenon was reversed by SNHG16 silencing. SNHG16 could bind with miR-339-5p, and NLRP1 was found to be the downstream mRNA of miR-339-5p. SNHG16 silencing significantly abolished the LPS-induced upregulation of NLRP1 through miR-339-5p downregulation. The upregulation of miR-339-5p inhibited the pro-apoptotic effect of LPS on BEAS-2B cells, which was abolished by NLRP1 overexpression. Furthermore, the anti-pyroptotic effect of SNHG16 siRNA was abolished by NLRP1 upregulation. Conclusions: SNHG16 silencing reversed LPS-induced pyroptosis in BEAS-2B cells via miR-339-5p/NLRP1 axis mediation. Our study might shed new light on exploring therapeutic strategies for the treatment of septic lung injury.
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