To study the expression of Akt2 and activation of PI3K in different grades of human gliomas and correlate the Akt2 expression with the proliferation activity of gliomas.
Department of Neurosurgery, Tianjin Medical University General Hospital, Laboratory of Neuro-oncology, Tianjin Neurological Institute, 154# An Shan Road, Tianjin, 300052, People's Republic of China.