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Spanish researchers sequence non-infiltrating bladder cancer exome
Date:10/19/2013

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The researcher adds that: "Some of these genes are involved in previously undescribed genetic pathways in bladder cancer, such as cell division and DNA repair; also, we confirmed and extended other genetic pathways that had previously been described in this cancer type, such as chromatin remodelling".

AN UNKNOWN AGENT IN BLADDER CANCER

The STAG2 gene has been associated with cancer just over 2 years ago, although "little is known about it, and nothing about its relationship to bladder cancer", says Balbs. Previous studies suggest it participates in chromosome separation during cell division (chromosomes contain the genetic material), which is where it might be related to cancer, although it has also been associated with maintenance of DNAs 3D structure or in gene regulation.

Contrary to what might be expected, the article reveals that tumours with an alteration in this gene frequently lack changes in the number of chromosomes, which indicates, according to Real, that "this gene participates in bladder cancer via different mechanisms than chromosome separation".

The authors have also found, by analysising tumour tissue from more than 670 patients, that alterations in STAG2 are associated, above all, with tumours from patients with a better prognosis.


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Contact: Nuria Noriega
comunicacion@cnio.es
Centro Nacional de Investigaciones Oncologicas (CNIO)
Source:Eurekalert  

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