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Molecule Enhances Chances Of Survival For Stomach Cancer Patients
Dr. Jesús García-Foncillas, chief researcher of the Pharmacogenomics Laboratory at the Applied Medical Research Centre (CIMA) and Director of Oncology at the University Hospital of Navarra presented the findings at the IV Congress of the Spanish Society for Pharmacogenetics and Pharmacogenomic, recently held at CIMA.
Pharmacogenetics studies the genetic bases determining the response of an individual to treatment, as well as possible toxic reactions; pharmacogenomics analyses the molecular and biological mechanisms involved in a disease in order to develop new medicines. “We know that variations in small molecules (microRNAs) give rise to different responses to the same pharmaceutical drug. In this line, a number of approaches are being made in clinical practice, such as the study of mutations of the K-RAS gene in cancer of the colon or of the EGFR in lung cancer, and which enable directing individualised treatment for each patient”.
The study presented at this scientific meeting analysed the role of microRNA 451 in stomach cancer, “Patients with a high expression of this molecule show greater survival rates, and so could be a biomarker for treatment response”. The CIMA researchers are also taking part in other trials, such as studies with the 192 and 215 microRNAs, which influence the response to pharmaceutical drugs against cancer of the colon, at the preclinical phase.
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