期刊
MOLECULAR AND CELLULAR BIOCHEMISTRY
卷 227, 期 1-2, 页码 167-174出版社
SPRINGER
DOI: 10.1023/A:1013112908734
关键词
protein kinase CK2; antisense; nuclear matrix; prostate cancer; head and neck cancer; gene therapy
类别
资金
- NCI NIH HHS [CA-15062] Funding Source: Medline
- NATIONAL CANCER INSTITUTE [R37CA015062, R01CA015062, U01CA015062] Funding Source: NIH RePORTER
Protein kinase CK2 is one of the key cellular signals for cell survival, growth, and proliferation. It is has been observed to be elevated in various cancers that have been examined. Various observations suggest that moderate dysregulation of CK2 may profoundly influence the cell response. We have examined the effects of interfering with the CK2 signal in various cancer cell lines by employing antisense oligodeoxynucleotides (ODN) against the alpha and beta subunits of CK2. Our results demonstrate that antisense CK2-alpha and antisense CK2-beta ODNs markedly influence cell viability of these cancer cells in a dose and time-dependent manner. Antisense CK2-alpha was slightly more effective than antisense CK2-beta in most of the cells tested. The efficacy of the antisense ODN seemed to vary with the cell type; however, in all cases potent induction of apoptosis was observed. Significantly, the effects of the antisense ODN on the CK2 activity in the nuclear matrix were relatively small compared to the much stronger induction of apoptosis in cells. This suggests that modest down-regulation of CK2 can evoke a much greater apoptotic response in cancer cells.
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