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Provedor de dados:  Genet. Mol. Biol.
País:  Brazil
Título:  CDH1 mutations in gastric cancer patients from northern Brazil identified by Next- Generation Sequencing (NGS)
Autores:  El-Husny,Antonette
Raiol-Moraes,Milene
Amador,Marcos
Ribeiro-dos-Santos,André M.
Montagnini,André
Barbosa,Silvanira
Silva,Artur
Assumpção,Paulo
Ishak,Geraldo
Santos,Sidney
Pinto,Pablo
Cruz,Aline
Ribeiro-dos-Santos,Ândrea
Data:  2016-06-01
Ano:  2016
Palavras-chave:  CDH1
Germline mutations
HDGC
Gastric Cancer
NGS
Resumo:  Abstract Gastric cancer is considered to be the fifth highest incident tumor worldwide and the third leading cause of cancer deaths. Developing regions report a higher number of sporadic cases, but there are only a few local studies related to hereditary cases of gastric cancer in Brazil to confirm this fact. CDH1 germline mutations have been described both in familial and sporadic cases, but there is only one recent molecular description of individuals from Brazil. In this study we performed Next Generation Sequencing (NGS) to assess CDH1 germline mutations in individuals who match the clinical criteria for Hereditary Diffuse Gastric Cancer (HDGC), or who exhibit very early diagnosis of gastric cancer. Among five probands we detected CDH1 germline mutations in two cases (40%). The mutation c.1023T > G was found in a HDGC family and the mutation c.1849G > A, which is nearly exclusive to African populations, was found in an early-onset case of gastric adenocarcinoma. The mutations described highlight the existence of gastric cancer cases caused by CDH1 germline mutations in northern Brazil, although such information is frequently ignored due to the existence of a large number of environmental factors locally. Our report represent the first CDH1 mutations in HDGC described from Brazil by an NGS platform.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572016000200189
Editor:  Sociedade Brasileira de Genética
Relação:  10.1590/1678-4685-gmb-2014-0342
Formato:  text/html
Fonte:  Genetics and Molecular Biology v.39 n.2 2016
Direitos:  info:eu-repo/semantics/openAccess
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