PEG-PLA	Polyethylene glycol-polylactic acid
PTX	Paclitaxel
EPR	Enhanced permeability and retention
CPPs	Cell-penetrating peptides
GPC	Gel permeation chromatography
HPLC	High performance liquid chromatography
CMC	Critical micelle concentration
DLS	Dynamic light scattering
MTT	Thiazolyl Blue Tetrazolium Bromide
LR%	The drug loading rate
EE%	The entrapment efficiency
DMEM	Dulbecco’s Modified Eagle Medium
H&E	Hematoxylin-eosin
TUNEL	Terminal deoxynucleotidyl transferase nick end labeling