gastric cancer

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Multidisciplinary research presents new protocol for the functional characterization of missense type mutations in the gene coding for the adhesion molecule E-cadherin.

Authors and Affiliations:

Soraia Melo 1,2,3, Joana Figueiredo 1,2, Maria Sofia Fernandes 1,2,4, Margarida Gonçalves 1,5, Eurico Morais-de-Sá 1,5, João Miguel Sanches 4 and Raquel Seruca 1,2,3

1 Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal

2 Institute of Molecular Pathology and Immunology, University of Porto (IPATIMUP), 4200-135 Porto, Portugal

Alcohol consumption and gastric cancer risk—A pooled analysis within the StoP project consortium

Porphyrin Modified Trastuzumab Improves Efficacy of HER2 Targeted Photodynamic Therapy of Gastric Cancer

A collaboration between researchers from Ipatimup/i3S, INEB/i3S and Universidade de Aveiro  led to the development of a novel photoimmunoconjugate of porphyrin conjugated to trastuzumab that specifically and efficiently eliminates HER2+ gastric cancer cells following photodynamic therapy in vitro and in vivo (when compared to trastuzumab alone).

This study suggests that, in the setting of human disease, repetitive cycles of Trast:Porph photoimmunotherapy may improve treatment of HER2+ gastric cancer patients.

 

Authors and Affiliations:

P53 deregulation in Epstein-Barr virus-associated gastric cancer


Joana Ribeiroa,b,1, Mariana Maltab,c,1, Ana Galaghard, Fernanda Silvad, Luís Pedro Afonsod, Rui Medeirosb,c,e,f, Hugo Sousab,e

1Joint first authors

a Faculty of Medicine, University of Porto, Alameda Prof. Hernani Monteiro, 4200-319 Porto, Portugal

b Molecular Oncology & Viral Pathology Group, IPO-Porto Research Center (CI-IPOP), Portugal

Desregulação da p53 nos carcinomas gástricos associados ao EBV

O cancro gástrico é a quinta neoplasia mais frequente em todo o mundo, sendo a terceira causa de morte por cancro. Na década de 90, o vírus de Epstein-Barr (EBV) foi pela primeira vez detetado em amostras de carcinoma do estômago e desde então tem sido associado a cerca de 10% de todas estas neoplasias. Nos últimos anos, um grupo de investigadores do IPO-Porto tem-se dedicado ao estudo dos carcinomas gástricos associados à infeção por EBV.

Dies1/VISTA expression loss is a recurrent event in gastric cancer due to epigenetic regulation

Authors and Affiliations:

Oliveira P1,2, Carvalho J1,2, Rocha S1,2, Azevedo M2, Reis I2, Camilo V2, Sousa B1,2, Valente S1,2, Paredes J1,2,3, Almeida R1,2,3, Huntsman D4, Oliveira C1,2,3.

Dies1/VISTA expression loss is a recurrent event in gastric cancer due to epigenetic regulation

Autores e Afiliações:

Oliveira P1,2, Carvalho J1,2, Rocha S1,2, Azevedo M2, Reis I2, Camilo V2, Sousa B1,2, Valente S1,2, Paredes J1,2,3, Almeida R1,2,3, Huntsman D4, Oliveira C1,2,3.

O–mannosylation and N-glycosylation: two coordinated mechanisms regulating the tumour suppressor functions of E-cadherin in cancer

Gastric cancer mortality and prevalence of Helicobacter pylori infection in Portugal

The consistently high prevalence of Helicobacter pylori infection observed across age groups and studies carried out in different periods shows a large potential for decrease in the burden of gastric cancer in Portugal, and the downward trends in mortality rates may be expected to remain in the next decades.

 

 

Authors and affiliations:

Samantha Morais1, Ana Ferro1, Ana Bastos1, Clara Castro1,2, Nuno Lunet1,3, Bárbara Peleteiro1,3

E-cadherin-defective gastric cancer cells depend on Laminin to survive and invade

Authors and Affiliations:
Caldeira J 1*, Figueiredo J 2*, Brás-Pereira C 3, Carneiro P 2, Moreira AM 2, Pinto MT 2, Relvas JB 4, Carneiro F 5, Barbosa M 6, Casares F 7, Janody F 3, Seruca R 8.
*The authours contributed equally