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Open in a separate window Hypopharynx cancer usually occurs in the second half of life, between 50—79 years, more frequent in males. There have been described pharyngeal cancers in children. An increased incidence of post—cricoid cancer has been encountered in women with Plummer—Vinson syndrome from anglo—saxon countries. Some authors Wahlberg by analyzing statistics from — period in Sweden noticed a rate of 1. Concurrent with this pathology effemination we find a downward readjustment of the age of appearance of the pharyngo—esophageal neoplasia because of the early introduction of smoking in the individual habits [ 20 ].

In Romania, the incidence of CRC in is We reviewed a series of studies that are related to colon cancer and studied the epithelial-mesenchymal transition at the front of tumor invasion EMT. Cellular phenotypic changes characteristic of EMT can be induced by the absence of transition cofactor p involved in cellular regulation. Loss of syndecan-1 marker is associated with local tumor stage and metastasis. Modulators of protein kinase resistance was associated with changes in genes involved in EMT including vimentin hyperexpression and genes involved in invasion N-cadherin with a decrease expression of genes involved in epithelial cell adhesion E-cadherin.

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Progression in colon cancer is characterized by activating mutations in Ras genes and tumor growth factor action. Vimentin expression associated with EMT initiates molecular program.

One of the characteristics of EMT is the loss of E-cadherin. TGF-β cancer la cap stadiul 4 growth factor beta induces epithelial-mesenchymal transition in colon cancer cell lines with the microsatellite stability, inducing cell invasion and migration.

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EMT is a critical early event involved in invasion and metastasis of colorectal cancer, characterized by the presence of markers specific to each phenotype, epithelial or mesenchymal. Multiple biomarkers involved in the induction of EMT may represent future therapeutic target in the treatment of colonic neoplasia. Glimelius B, Oliveira J.

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Rectal cancer: ESMO clinical recommendations for diagnosis, treatment and follow-up. Ann Onc ; Miron L, Marinca M. Tratamentul sistemic al cancerului colorectal metastatic: standarde actuale, opţiuni viitoare.

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J Chir Iasi ; 3: Hopulele D. Relaţia între markerii biologici ai agresivităţii tumorale şi infiltratul inflamator în cancerul mamar. Teză de doctorat.

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Facultatea de Medicină. UMF Iaşi EMT is the dominant program in human colon cancer. BMC Med Genomics ; 4: 9.

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Absence of p induces cellular phenotypic changes char-acteristic of epithelial to mesenchyme transition. Brit J Cancer ; cancer causing genetic mutations Four-and-a-half LIM protein 2 promotes invasive potential and epi-thelial mesenchymal transition in colon cancer.

Carcinogenesis Association of loss cancer causing genetic mutations epithelial syndecan-1 with stage and local metastasis of colorectal adenocarcinomas: An immunohistochemical study of clinically annotated tu-mors.

References

BMC Cancer ; Preclinical and clinical development of novel agents that target the protein kinase C family. Semin Oncol ; — Nishizuka Y. Intracellular signaling by hydrolysis of phospholipids and activation of protein kinase C. Science ; — Cancer Res ; Transforming growth factor-β1 promotes invasiveness after cellular transformation with activated Ras in intestinal epithelial cells.

cancer causing genetic mutations

Exp Cell Res ; — Mol Cancer Res ; 6 7 : — Anticancer Res ; 29 11 : — Molecular Cancer ; BVES regulates EMT in human corneal and colon cancer cells and is silenced via promoter methylation in human colorectal carcinoma. J Clin Invest ; The epithelial to mesenchymal transition is impaired in colon cancer cells with microsatellite instability, Gastroenterol ; 4 : — Zlobec I, Lugli A.

World J Gastroenterol ; 15 47 : —

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  • Triple helix forming oligonucleotides, which bind to double-stranded DNA, are of special interest since they are targeted to the gene itself rather than to its mRNA product as in the antisense strategy.
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