別名
IL-1; IL1F2; IL1beta; IL1-BETA
背景
白細(xì)胞介素IL-1β又稱分解代謝素,是白細(xì)胞介素-1細(xì)胞因子家族的成員之一。IL1β是由IL-1β基因編碼的細(xì)胞因子,是一種炎癥反應(yīng)和發(fā)熱介質(zhì),參與多種淋巴細(xì)胞活動,包括b細(xì)胞的生長和分化,Th2克隆的增殖,以及Th17細(xì)胞的激活。IL-1β在外周血單核細(xì)胞、組織巨噬細(xì)胞和樹突狀細(xì)胞中產(chǎn)生,以應(yīng)對免疫反應(yīng)、炎癥、感染和創(chuàng)傷細(xì)胞(如胞體)。在一些免疫反應(yīng)中,IL-1B是T細(xì)胞激活所必需的,因此可能有助于T細(xì)胞的復(fù)制。IL-1β也可通過內(nèi)分泌方式作用于遠(yuǎn)處靶細(xì)胞,誘導(dǎo)全身免疫應(yīng)答。IL-1β能迅速誘導(dǎo)多種細(xì)胞類型的細(xì)胞因子IL-6、IL-8的表達(dá)。同時,IL-1β也誘導(dǎo)其自身表達(dá),形成正反饋,放大IL-1反應(yīng)。
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