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細胞黏附

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細胞黏附蛋白在細胞膜中的圖示

細胞黏附是指細胞透過表面的特殊分子,和鄰近細胞或細胞外基質相互作用並且結合的過程。此過程可以透過兩個細胞的直接接觸(例如細胞連接),也可以間接地由細胞附著在細胞外基質上來達成。細胞外基質是細胞所釋出的物質,可以填滿細胞周圍的空間[1]。細胞黏附主要是由細胞表面細胞黏附分子(CAM,一種跨膜蛋白)所介導[2]。細胞黏附會連接各細胞,且參與細胞的信號傳導,使細胞能夠感知並回應周圍環境的變化[1][3]。細胞黏附在多細胞生物的組織形成、細胞遷移等過程中扮演重要角色[4]。細胞黏附的異常與多種疾病(如癌症[5][6]關節炎[7])密切相關,同時也影響感染原(細菌病毒)的疾病傳播[8][9]

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參考資料

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