免疫突觸(英語:Immune synapse)是抗原提呈細胞淋巴細胞之間形成的一種特殊結構,因和神經突觸結構相似而得名。組成免疫突觸的分子和T細胞活化功能密切相關,故稱為熱門的研究主題。[1]

JurkatT細胞RajiB細胞之間形成的免疫突觸,其中Jurkat細胞因表達GFP-肌動蛋白融合蛋白而顯綠色,Raji細胞因CMAC染色而顯藍色。突觸由葡萄球菌超級抗原腸毒素E誘導形成

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