{"id":10934,"date":"2014-09-17T00:00:00","date_gmt":"2014-09-16T22:00:00","guid":{"rendered":"https:\/\/idibell.cat\/es\/blog\/2014\/09\/17\/cinco-genes-para-prever-recaidas-en-cancer-colorrectal-biomarcadores-una-herramienta-aplicable-en-la-clinica\/"},"modified":"2020-05-21T10:11:51","modified_gmt":"2020-05-21T08:11:51","slug":"cinco-genes-para-prever-recaidas-en-cancer-colorrectal-biomarcadores-una-herramienta-aplicable-en-la-clinica","status":"publish","type":"post","link":"https:\/\/idibell.cat\/es\/2014\/09\/cinco-genes-para-prever-recaidas-en-cancer-colorrectal-biomarcadores-una-herramienta-aplicable-en-la-clinica\/","title":{"rendered":"Cinco genes para prever reca\u00eddas en c\u00e1ncer colorrectal Biomarcadores Una herramienta aplicable en la cl\u00ednica"},"content":{"rendered":"

Investigadores del Instituto Catal\u00e1n de Oncolog\u00eda-Instituto de Investigaci\u00f3n Biom\u00e9dica de Bellvitge (ICO-IDIBELL), liderados por David Garcia-Mollev\u00ed han identificado 5 genes expresados \u200b\u200bde forma diferencial en las c\u00e9lulas normales acompa\u00f1antes presentes en los tumores colorrectales. El an\u00e1lisis de estos genes podr\u00eda servir para clasificar los tumores colorrectales, predecir cu\u00e1l ser\u00e1 la evoluci\u00f3n del paciente y en base ello tomar las decisiones cl\u00ednicas adecuadas para evitar reca\u00eddas.

El c\u00e1ncer colorrectal es el m\u00e1s frecuente en nuestra poblaci\u00f3n teniendo en cuenta los dos sexos. Se diagnostican unos 30.000 nuevos casos cada a\u00f1o. De estos, aproximadamente un 70% corresponden a estadios intermedios de la enfermedad, y no existen criterios s\u00f3lidos para la indicaci\u00f3n de tratamiento a\u00f1adido a la cirug\u00eda en al menos la mitad de los casos. Por tanto, es de gran importancia identificar correctamente aquellos enfermos que se beneficiar\u00e1n de un tratamiento de quimioterapia y evitar as\u00ed los riesgos a\u00f1adidos que conllevar\u00eda el sobretratamiento.
Para poder identificar con precisi\u00f3n las peculiaridades de cada tumor necesitamos buenos biomarcadores, que nos informen del pron\u00f3stico de cada paciente. En este sentido, tanto las c\u00e9lulas malignas como las c\u00e9lulas normales acompa\u00f1antes, que constituyen un particular microambiente, pueden ser fuente de estos biomarcadores.
El investigador David Garcia-Mollev\u00ed que estudia el microambiente tumoral en busca de estos biomarcadores, forma parte del grupo de investigaci\u00f3n en quimiorresistencia y factores predictores de respuesta tumoral y medio ambiente estromal del ICO-IDIBELL ha coordinado este estudio que se ha publicado en la revista Oncotarget.

En este estudio los investigadores han desarrollado una herramienta a partir de la expresi\u00f3n de 5 genes caracter\u00edsticos del microambiente tumoral que permite clasificar con mucha precisi\u00f3n el pron\u00f3stico de enfermos afectados por c\u00e1ncer colorrectal en un estadio intermedio de la enfermedad. Garcia-Mollev\u00ed explic\u00f3 que este nuevo trabajo representa un paso adelante hacia una posible aplicaci\u00f3n cl\u00ednica de estos resultados: \u00abHemos conseguido que el an\u00e1lisis conjunto de s\u00f3lo cinco genes, mediante t\u00e9cnicas rutinarias, nos proporcione una informaci\u00f3n muy precisa sobre las probabilidades de reca\u00edda y sobre la idoneidad de administrar tratamiento quimioter\u00e1pico enfermos en estadio II de la enfermedad\u201d.
Berdiel-Acer M., Berenguer A., Sanz-Pamplona R., Cuadras D., Sanjuan X., PaulesM.J., Santos C., Salazar R., Moreno V., Capella G., Villanueva A., Mollev\u00ed D.G. A 5-gene classifier from the carcinoma-associated fibroblast transcriptomic profile and clinical outcome in colorectal cancer. Oncotarget, 2014 Aug 30;5(15):6437-52.<\/p>\n","protected":false},"excerpt":{"rendered":"

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