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Researchers find gene that turns up effect of chemotherapy
Date:1/29/2013

Chemotherapy is one of the most common treatments for cancer patients. However, many patients suffer from serious side-effects and a large proportion does not respond to the treatment. Researchers from the Biotech Research and Innovation Centre (BRIC) and Center for Healthy Aging, University of Copenhagen, now show that the gene FBH1 helps turn up the effect of chemotherapy.

"Our results show that the gene FBH1 is crucial in order for some chemotherapeutics to become active in the body and kill the cancer cells. If we can find a feasible method to increase the activity of the gene, we can use our cells' own resources to improve cancer treatment, says associate professor Claus Srensen who has lead the team of researchers behind the results.

Own gene helps chemotherapy fight cancer

The researchers have used a method called RNA interference to study whether some of the genes in our DNA are important for cancer cells to react to certain chemotherapeutics. "By using the method to remove single genes from cancer cells and then exposing the cells to chemotherapy, we found that FBH1 is important for the effect of the chemotherapy. Actually, the presence of the gene was an absolutely requirement in order to effectively kill the cancer cells with the type of chemotherapeutics we have studied, says postdoc Kasper Fugger who has led the experimental part of the investigation.

Chemotherapy act by exposing cancer cells to a kind of extreme stress when they divide. The result is detrimental damage to the cells' DNA that cannot be repaired, causing the cells to die. The new results show that it is in fact FBH1 that contributes to the formation of DNA damage when treating with chemotherapy and this knowledge can be used to optimize cancer therapy.

Selection of patients for chemotherapy

In the last decade it has become clear that targeted treatment to individual cancer patients is crucial for an effective tre
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Contact: Associate professor Claus Srensen
claus.storgaard@bric.ku.dk
45-31-61-98-48
University of Copenhagen
Source:Eurekalert

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