ArticleMolecular and cellular biochemistry2005
Immunologically defined subclasses of the protein kinase CK2 beta-subunit in prostate carcinoma cell lines.
Article in Molecular and cellular biochemistry, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- SCAMP3-Driven Regulation of ERK1/2 and Autophagy Phosphoproteomics Signatures in Triple-Negative Breast Cancer.International journal of molecular sciences · 2025Article
- Protein kinase CK2: a potential therapeutic target for diverse human diseases.Signal transduction and targeted therapy · 2021Review
- Article
- [Role of androgen receptors in hormone-refractory prostate cancer: molecular basics and experimental therapy approaches].Der Urologe. Ausg. A · 2008Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Both, the activity as well as the expression of protein kinase CK2 is enhanced in various cancer types and in established tumour cell lines. This phenomenon is not due to an increase in the CK2 message but rather to posttranscriptional and posttranslational mechanisms. In order to get an insight into these posttranslational modifications we analyzed CK2 in prostate cancer cell lines, which differ by their hormone-sensitivity. We found that the CK2 activity is significantly higher in hormone-refractory than in hormone-sensitive cells although the amount of the catalytic alpha- and alpha'- subunits is comparable. In contrast, we detected seemingly lower amounts of the regulatory beta-subunit in the hormone-refractory cell lines, which later turned out to be an immunologically defined subclass. This subclass is realized by a phosphate group, which is attached to serine 209. The phosphorylation occurs in vivo during mitosis and is executed by the p34(cdc2)/cyclin B kinase. As this phosphorylation enhances the CK2 activity this change might well account for the higher activity of CK2 in prostate cancer cells.
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