Department;
of;
General;
Surgery,;
Sichuan;
Provincial;
Hospital,;
Chengdu;
610072,;
China;
Department;
of;
General;
Surgery,;
West;
China;
Hospital,;
Sichuan;
University,;
Chengdu;
610041,;
China;
Department;
of;
Molecular;
Biology,;
Basic;
Medical;
and;
Forensic;
Medical;
College,;
West;
China;
Medical;
Center,;
Sichuan;
University,;
Chengdu;
610041,;
of;
Molecular;
Biology,;
Basic;
Medical;
and;
Forensic;
Medical;
College,;
West;
China;
Medical;
Center,;
Sichuan;
University,;
Chengdu;
610041,;
China;
甲基化; 胰腺癌; 胰岛细胞; p15; p16; 肿瘤抑制基因;