图2. VCMH的三种靶向方式.
A：膜融合，VCMH与膜融合（a→b）并释放核酸到细胞质中；B：内吞，VCMH直接被内吞摄取（c→d）；C：特异性识别，VCMH进入体内特异性识别靶细胞表面受体. VCMH：植物类中药来源囊泡；miRNA：微RNA.
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