^pof;
Neurosurgery,;
First;
Clinical;
Hospital;
^pof;
Immunology,;
Norman;
Bethune;
College;
of;
Medicine,;
Jilin;
University,;
Changchun;
130021,;
P.;
R.;
China;
^pof;
Tumor;
Biotherapy,;
Second;
Clinical;
Hospital,;
Jilin;
University,;
Changchun;
130041,;
P.;
R.;
China;
胶质瘤细胞; 人参皂甙; 纳米粒子; 细胞凋亡; PEG; PLGA; 粒子尺寸分布; 细胞周期阻滞;