Washington D.C : A new research has paved the way for an improved individual treatment of the patients with bladder cancer.
A research team from Aarhus University Hospital and Aarhus University headed by professor Torben Orntoft and professor Lars Dyrskjot has been in charge of a larger European research project mapping the molecular mechanisms of early stages of bladder cancer in 460 patients in Denmark, Sweden, The Netherlands, Germany, Spain and Serbia.
The researchers found that tumours can be divided into three primary classes with very different molecular and disease developing characteristics. These findings may be important in risk assessment and subsequent choice of treatment.
The researchers found that bladder tumours from the molecular group with high risk of developing aggressive disease contain mutations in genes and molecular pathways often associated with later stages of the disease.
Moreover, the researchers observed changes in genes involved in genome structure regulation in 86 percent of the tumours. This new knowledge can facilitate use of new drugs targeted at these specific changes.
Dyrskjot said that this study provides new and valuable insight into the biology of the tumours in the earliest stages of the disease. Clinical and pathological examinations of the individual tumours do not always reflect the risk of later disease aggressiveness.
He added that this study provides a tool for risk assessment of the patients and thus for providing optimal treatment.
The study appears in the journal Cancer Cell.
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