2007
DOI: 10.1016/j.ijom.2006.11.004
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Alterations of p16INK4a tumour suppressor gene in mucoepidermoid carcinoma of the salivary glands

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Cited by 26 publications
(26 citation statements)
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“…In a study of 38 cases of MEC, Guo et al [8] demonstrated that homozygous deletion and hypermethylation are the most frequent molecular events leading to p16 INK4A gene silencing and loss of its tumor suppressor function in these tumors. Furthermore, the authors showed higher incidence of hypermethylation in high grade MEC than in low/intermediate grade MEC.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In a study of 38 cases of MEC, Guo et al [8] demonstrated that homozygous deletion and hypermethylation are the most frequent molecular events leading to p16 INK4A gene silencing and loss of its tumor suppressor function in these tumors. Furthermore, the authors showed higher incidence of hypermethylation in high grade MEC than in low/intermediate grade MEC.…”
Section: Discussionmentioning
confidence: 99%
“…INK4A gene silencing [6][7][8]. However, this alteration was identified in a minority of the studied cases.…”
Section: Introductionmentioning
confidence: 99%
“…Epigenetic silencing of gene expression by promoter CpG island hypermethylation has been shown to be important in the formation of a variety of cancers including oral squamous cell carcinoma [8] . Indeed, several studies have demonstrated hypermethylation events in ACC [9][10][11] , MEC [11][12][13] , PA [11][12][13][14] , malignant PA [10] , salivary duct carcinoma [11] and acinic cell carcinoma [11] .…”
Section: Introductionmentioning
confidence: 99%
“…Dentre outros fatores, as anormalidades tanto nos genes estimuladores de divisão celular (oncogenes), como nos bloqueadores do ciclo celular (supressores tumorais), podem conferir a uma célula vantagens de crescimento e desenvolvimento sobre as células normais e sabe-se que a progressão do ciclo celular é governado, principalmente, pelos genes p16 e p53. Em especial, o gene p16 é alvo frequente de mutações, exclusão e silenciamento epigenético em todos os tipos de câncer (Wang et al, 1998;Guo et al, 2007). Como resultado, as neoplasias (câncer in situ e câncer invasivo) correspondem a essa forma não controlada de crescimento celular (Almeida et al, 2005;Brasil, 2011).…”
Section: Câncer E Terapias Antineoplásicasunclassified
“…O gene p16, supressor tumoral, tem como função governar a progressão do ciclo celular, sendo alvo frequente de mutações, exclusões e silenciamento genético em todos os tipos de câncer (Guo et al, 2007). A genotoxicidade do 5-FU é desencadeada a partir da inibição da enzima timidilato sintase (TS), ativando vias de morte celular programada, resultando em fragmentação do DNA parental.…”
Section: Glândula Submandibularunclassified