Discovery of diarylheptanoids that activate α7 nAchR-JAK2-STAT3 signaling in macrophages with anti-inflammatory activity in vitro and in vivo
作者:Yuan Lin、Kanjana Wongkrajang、Xiaofei Shen、Ping Wang、Zongyuan Zhou、Thipphawan Chuprajob、Nilubon Sornkaew、Na Yang、Lijuan Yang、Xiaoxia Lu、Ratchanaporn Chokchaisiri、Apichart Suksamrarn、Guolin Zhang、Fei Wang
DOI:10.1016/j.bmc.2022.116811
日期:2022.7
anti-inflammatory properties. However, the possible mechanism of diarylheptanoids has rarely been investigated. In this study, we isolated and synthesized 49 diarylheptanoids and analogues and evaluated their anti-inflammatory activities. Among them, compounds 28 and 40 markedly blocked lipopolysaccharide (LPS)-induced production of nitric oxide (NO), interleukin-1β (IL-1β) and interleukin-6 in murine RAW264.7 cells
脓毒症等急性炎症性疾病是危及生命的疾病。调节 α7 烟碱型乙酰胆碱受体 (α7 nAchR) 介导的信号传导可能是治疗败血症的有希望的策略。早就发现二芳基庚烷具有抗炎特性。然而,很少研究二芳基庚烷的可能机制。在这项研究中,我们分离并合成了 49 种二芳基庚烷和类似物,并评估了它们的抗炎活性。其中,化合物28和40显着阻断了脂多糖 (LPS) 诱导的小鼠 RAW264.7 细胞中一氧化氮 (NO)、白细胞介素 1β (IL-1β) 和白细胞介素 6 的产生。此外,化合物28和40还有效减弱 LPS 诱导的脓毒症、急性肺损伤和体内细胞因子释放。从机制上讲,化合物28和40显着诱导 janus 激酶 2/信号转导和转录激活因子 3 (JAK2/STAT3) 信号传导和核因子-κB (NF-κB) 通路的抑制。此外,阻断 α7 nAchR 可以有效地消除化合物28和40介导的 JAK2-STAT3