Department;
of;
Pathology,;
Peking;
University;
School;
of;
Oncology,;
Beijing;
Cancer;
Hospital,;
Beijing;
100036,;
China;
Department;
of;
Pathology,;
Peking;
University;
School;
of;
Oncology,;
Beijing;
Cancer;
Hospital,;
Beijing;
100036,;
China;
VA;
Palo;
alto;
Health;
Care;
System,;
Palo;
Alto,;
California,;
CA;
94304,;
USA;
breast; cancer-specific; gene; 1,; promoter,; transcriptional; activity.;