ArticleJournal of cancer research and clinical oncology2006
A soluble truncated cadherin induces breast cancer cell apoptosis and growth inhibition.
Article in Journal of cancer research and clinical oncology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
- Rhubarb Antagonizes Matrix Metalloproteinase-9-induced Vascular Endothelial Permeability.Chinese medical journal · 2016Article
- The soluble fragment of VE-cadherin inhibits angiogenesis by reducing endothelial cell proliferation and tube capillary formation.Cancer gene therapy · 2010Article
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Authors and funding
10 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo identify the characteristics and function of the truncated cadherin cDNA which encodes a soluble molecule containing the sequence of VE-cadherin extracellular domain repeats from repeat 1 to 4 (designated as CED1-4) and a secreting signal peptide at N terminal.
methodsA pMSCV/CED1-4 vector was constructed. Recombinant retrovirus ReCED1-4 and ReEmpty were produced by 293 package cells and transfected into MDA-MB435 human breast cancer cells. The expression of CED1-4 in transfectants and their supernatant was analyzed by RT-PCR and Western blot, respectively. MDA-MB435 cell proliferation assays were performed in vitro and in vivo. CED-14-induced apoptosis was demonstrated using Annexin V binding, TUNEL and caspase 3 assays. The expression of integrin beta1 and c-fos mRNA was detected by RT-PCR.
resultsThe constructed soluble CED1-4 encoded 484 amino acids and a secreting signal peptide (27 amino acids). CED1-4 was expressed by MDA-MB435/CED1-4 cells, and detected in the supernatant of CED1-4 tranfectants. CED1-4 transfection significantly inhibited the growth of MDA-MB435 cells in vitro and in vivo. About 22-fold increase in the early apoptotic cells in MDA-MB435/CED1-4 cells was observed as compared with MDA-MB435/empty cells. Increased activity of caspase 3 in MDA-MB435/CED1-4 cells was more than two times as compared with that of the control cells. Interestingly, integrin beta1 transcriptional level in MDA-MB435/CED1-4 cells was down-regulated as compared with control cells. The resistance of fibronectin to CED1-4 apoptotic inducibility was confirmed by detection of caspase 3. The blockage of c-fos transcriptional expression was detected in MDA-MB435/CED1-4 cells.
conclusionsThe soluble truncated cadherin may be considered an apoptotic inducer and growth inhibitor in the MDA-MB435 breast carcinoma cell line. Down-regulation of integrin beta1 and blockage of c-fos expression may be related to CED1-4-induced apoptosis and growth inhibition.
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