Identification of androgen-response genes related with the proliferation and development of proliferation-related marker in prostate cancer

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We tried identification to affect the androgen receptor sensitivity in the gene which affected the proliferation of the prostate cancer. We compared a gene expression profile by cDNA microarray which we used a normal tissue for with the prostate cancer tissue by several obtained by prostatic needle biopsy. Then we focused on CAMKK2 which the approximately 6 times expression enhanced in patients with cancer in those genes. As for CAMKK2, expression was induced in androgen-sensitive prostate cancer cell line LNCaP by DHT. In immunohistochemical staining of the prostatic tissue and in vitro study, CAMKK2 functioned as antioncogene.