International Journal of Molecular Sciences, Volume 24, Issue 21
2023 November-1 - 520 articles
Cover Story: Pro-inflammatory cytokines such as tumor necrosis factor alpha (TNFa) mediate the response to acute airway inflammation. In human airway smooth muscle (hASM) cells, TNFa induces an accumulation of unfolded proteins in the endoplasmic reticulum (ER), which trigger the autophosphorylation of inositol-requiring enzyme 1a (pIRE1a S724) with downstream splicing of X-box binding protein 1 (XBP1s) (ER stress response). In isolated hASM cells, we found that chemical chaperone (e.g., 4-phenylbutyric acid - 4-PBA) treatment mitigated the TNFa-induced pIRE1a S724/XBP1s ER stress response. These results indicate that chemical chaperones may be effective in treating the pathophysiology of acute airway inflammation. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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