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Fruit flies light the way for A*STAR scientists to pinpoint genetic changes that spell cancer
Date:7/30/2012

By studying fruit flies, scientists at A*STAR's Institute of Molecular and Cell Biology (IMCB) have successfully devised a fast and cost-saving way to uncover genetic changes that have a higher potential to cause cancer. With this new approach, researchers will now be able to rapidly distinguish the range of genetic changes that are causally linked to cancer (i.e. "driver" mutations) versus those with limited impact on cancer progression. This research paves the way for doctors to design more targeted treatment against the different cancer types, based on the specific cancer-linked mutations present in the patient. This study published in the prestigious journal Genes & Development could help advance the development of personalised medicine in cancer care and treatment.

The era of genomic sequencing has generated an unparalleled wealth of information on the complexity of genetic changes that occur as cancer develops and progresses. "Many genetic changes arise in cancer cells and changes continue to accumulate during the progression of disease to metastatic cancer [1]. The current challenge is to understand which of the many genetic changes are important drivers of disease progression" said Dr. Stephen Cohen, Principal Investigator at IMCB and team leader of this paper.

Though very different in many ways, fruit flies and humans share similarities in a remarkable two-thirds of their genomes. That is to say, many of the genes found in humans are also present in the flies. Similarly, various signalling pathways involved in tumour formation are also well conserved from fruit flies to humans. In fact, previous studies have shown that about 75 percent of known human disease genes have a recognisable match in the genome of fruit flies [2].

Leveraging on their genetic similarities, Dr Hctor Herranz, a post-doctorate from the Dr Cohen's team developed an innovative strategy to genetically screen the whole fly genome for "cooperat
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Contact: Dr. Sarah Chang
chang_kai_chen@a-star.edu.sg
65-682-66442
Agency for Science, Technology and Research (A*STAR), Singapore
Source:Eurekalert  

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