To study the prognostic effect of bcl-2 oncogene and its gene family members bax, bcl-x expression in breast cancer patients. Methods: expression of bcl-2, bax
Autonomous parvoviruses are single-stranded DNA viruses with a genome size of about 5 kb. They are characterized by their oncotropism and oncosuppression to the
Human papillomaviruses are closely associated with human cervical cancer, especially HPV types 16 and 18. At present, HPV can not be produced in large quantity;
The presence of lymph nodes and bone marrow micrometastases of patients with breast carcinoma by immunohistochemistry (IHC) methods has been strongly correlated
A roller rack pinion(RRP)system,which consists of a rack-bar and a cam pinion,transforms a rotation motion into linear motion.The rack-bar has a series of rolle