期刊
JOURNAL OF PHARMACOLOGICAL SCIENCES
卷 109, 期 1, 页码 148-151出版社
JAPANESE PHARMACOLOGICAL SOC
DOI: 10.1254/jphs.08208SC
关键词
prostate cancer; K+ channel; tumor marker
K+ channels are key molecules in the progression of several cancer types and considered to be potential targets for cancer therapy. We examined the gene expressions of voltage-gated (K-v), Ca2+-activated (K-Ca), and two-pore domain (K-2p) K+-channel subtypes in needle-biopsy samples of human prostate cancer (PCa) by real-time PCR and compared them with those in PCa epithelial cell lines. The expression of K(v)1.3, K(Ca)1.1, K(Ca)3.1 and K(2P)1 markedly increased in the PCa group with Gleason score of 5-6 (GS5-6) but significantly decreased in the GS8-9 group. This malignancy grade-dependent K+-channel expression pattern may provide a convenient marker to understand PCa progression level.
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