ArticleBMC cancer2010
Adhesion of renal carcinoma cells to endothelial cells depends on PKCmu.
Article in BMC cancer, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 15 citations in OpenAlex.
- Tumor-associated endothelial cells in tumor immune escape and immunotherapy: multifaceted roles and treatment approaches.Biomarker research · 2025Review
- A novel migrasome-associated lncRNA model for clear cell renal cell carcinoma prognosis and immune response prediction.Scientific reports · 2025Article
- Co-administration of tyrosine kinase inhibitors with rottlerin in metastatic prostate cancer cells.EXCLI journal · 2021Article
- Lysophosphatidic acid enhances breast cancer cells-mediated osteoclastogenesis.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2018Article
- Calcium-sensing receptor (CaSR) promotes development of bone metastasis in renal cell carcinoma.Oncotarget · 2018Article
- Protein kinase D signaling in cancer: A friend or foe?Biochimica et biophysica acta. Reviews on cancer · 2017Review
- High calcium concentration in bones promotes bone metastasis in renal cell carcinomas expressing calcium-sensing receptor.Molecular cancer · 2014Article
- PMA synergistically enhances apicularen A-induced cytotoxicity by disrupting microtubule networks in HeLa cells.BMC cancer · 2014Article
- Protein kinase D isoforms are dispensable for integrin-mediated lymphocyte adhesion and homing to lymphoid tissues.European journal of immunology · 2012Article
- Emerging roles of protein kinase D1 in cancer.Molecular cancer research : MCR · 2011Review
- Kinase gene expression and subcellular protein expression pattern of protein kinase C isoforms in curcumin-treated human hepatocellular carcinoma Hep 3B cells.Plant foods for human nutrition (Dordrecht, Netherlands) · 2011Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe formation of metastases includes the separation of tumor cells from the primary tumor, cell migration into subendothelial tissue and cell proliferation in secondary organ. In this process, cell adhesion of tumor cells to the endothelium is an essential requirement for formation of metastases. Protein kinase C (PKC) regulates adhesion and proliferation. To identify a relation between PKC isoforms and tumor progression in renal cell carcinoma (RCC), the influence of PKC isoforms on cell adhesion and proliferation, and possible influences of integrins were analyzed in RCC cells.
methodsThe experiments were performed in the RCC cell lines CCF-RC1 and CCF-RC2 after pre-incubation (16 h) with the PKC inhibitors GF109203X (inhibits PKCalpha, betaI, betaII, gamma, delta and epsilon), GO6976 (inhibits PKCalpha, betaI and mu), RO31-8220 (inhibits PKCalpha, betaI, betaII, gamma and epsilon) and rottlerin (inhibits PKCdelta). Cell adhesion was assessed through adherence of RCC cells to an endothelial monolayer. Cell proliferation was analyzed by a BrdU incorporation assay. The expression of beta1 integrins was analyzed by flow cytometry.
resultsIn CCF-RC1 cells, cell adhesion was significantly reduced by GO6976 to 55% and by RO31-8220 to 45% of control. In CCF-RC2 cells, only GO6976 induced a significant reduction of cell adhesion to 50% of control levels. Proliferation of both cell lines was reduced by rottlerin to 39% and 45% of control, respectively. The beta1 integrin expression on the cell surface of CCF-RC1 and CCR-RC2 cells was decreased by RO31-8220 to 8% and 7% of control, respectively. beta2 and beta3 integrins were undetectable in both cell lines.
conclusionsThe combination of the PKC inhibitors leads to the assumption that PKCmu influences cell adhesion in CCF-RC1 and CCF-RC2 cells, whereas in CCF-RC1 cells PKCepsilon also seems to be involved in this process. The expression of beta1 integrins appears to be regulated in particular by PKCepsilon. Cell proliferation was inhibited by rottlerin, so that PKCdelta might be involved in cell proliferation in these cells.
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