Skip to main content
. Author manuscript; available in PMC: 2014 Sep 11.
Published in final edited form as: J Pharm Innov. 2014 Apr 13;9(2):158–173. doi: 10.1007/s12247-014-9183-4

Fig. 1.

Fig. 1

Biological barriers to siRNA-particles trafficking. Extracellular barriers RNase degradation, opsonization, macrophage uptake, renal clearance, extravasation, extracellular matrix (ECM) trapping, and internalization. Intracellular barriers endosome escape and siRNA release