Lipit rafts are plasmamicro domains with cholesterol and sphingolipids.In recent years, a growing number of viral and bacterial pathogens have been recognized to invade host cells via lipid rafts.

• 摘要脂筏是细胞膜上富含胆固醇和鞘脂的区域，近几年来的研究发现脂筏能介导某些细菌和病毒侵入细胞，同时也在病毒生命周期的许多阶段发挥着关键作用。