The field of DNA damage and its association with human diseases will be the main topic addressed in the next Barcelona Biomed Conference, which IRB Barcelona and the BBVA Foundation will hold at the Institut d'Estudis Catalans in Barcelona on 28, 29 and 30 May. These conferences are co-organised by IRB Barcelona researchers jointly with scientists from major biomedical centres worldwide. This month's event will be the 18th conference since the series started in 2006 thanks to the support of the BBVA Foundation.

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Alterations in proteins responsible for DNA repair cause dozens of human conditions. In addition to those that occur in cancer, which are best known by the general public, such as the relation between mutations in the BRCA1 and BRCA2 genes and breast cancer, there are other alterations that cause extreme sensitivity to light, while others induce infertility, dwarfism, microcephalies, early ageing and rare diseases like ataxias and Fanconi anemia, among other kinds of extremely complex hereditary disorders.

Most types of cancer are treated with high levels of radiation and toxic drugs that cause irreparable DNA damage to cells, which finally kills them. The major problem is that some cancer cells survive, they have the capacity to regenerate the tumor and they acquire resistance. Furthermore, the high toxicity of the strategies used causes serious side effects in patients. One of the challenges in this field is to design drugs that respond to DNA damage only in tumor cells, without affecting healthy ones, thus achieving greater treatment efficiency against the tumor with fewer side effects.

Basic research into DNA damage has produced highly valuable information and has led to the generation of animal models that reproduce several human diseases. These advances hold the promise to promote new and better drugs for clinical practice.The organizers of this conference, Travis Stracker, from IRB Barcelona, and John J. Petrini, from the Memorial Sloan Kettering Cancer Center (MSKCC) in New York, have invited 26 researchers from reference centres in the field of DNA repair worldwide. In a think-tank atmosphere, the main breakthroughs and future challenges will be debated in front of an audience comprising 150 local scientists.

Image: Travis Stracker from the Oncology Programme from IRB Barcelona and John J.Petrini from the Memorial Sloan Kettering Cancer Center, coorganizers of the Barcelona BioMed Conference on DNA repair

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