△动图5(上) 动图6(下)
白细胞“划船”
图片来源:(https://www.cell.com/biophysj/fulltext/S0006-3495(20)30604-4?utm_source=EA)
白细胞利用“分子桨”游泳的迁移方式可以使免疫细胞在充满液体的环境中任意移动,从而全面探索体内的所有位置,例如肿胀的身体部位、感染的膀胱、脑脊液或羊水。这对及时发现病灶并启动免疫反应无疑有着巨大帮助。虽然目前还不知道癌细胞是否也可以像白细胞一样伸出“分子桨”来迁移,但是白细胞的这种迁移方式为细胞运动的方式提出了更多可能性。
形形色色的细胞运动默默支持着我们的生命和健康,我们也期待将来能对细胞运动的方式有更多的认知和探索。
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