Dataset Information

KRAS Mutation and Incidence of the Colorectal Carcinoma in Martinique Between 2007 and 2009

ABSTRACT: * There is no data at present concerning the KRAS mutation in patients from Martinique with colorectal cancer. Despite the fact that the incidence of this disease continues to increase there is no recent data to confirm it. This study has a descriptive purpose, allowing a comparison of the population from Martinique to other populations. * A study of incidence of colorectal cancer, overseen by the Association from Martinique for the Epidemiological Search on Cancer (AMREC), also leads to a better knowledge of the local characteristics of the colorectal cancer. * These two descriptive characteristics of colorectal cancer in Martinique will be useful data for the health professionals to provide their patients better care.

DISEASE(S): Colorectal Carcinoma,Carcinoma,Colorectal Neoplasms

PROVIDER: 2091213 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Wiskott-Aldrich syndrome (WAS) predisposes patients to leukemia and lymphoma. WAS is caused by mutations in the protein WASP which impair its interaction with the WIPF1 protein. Here, we aim to identify a module of WIPF1-coexpressed genes and to assess its use as a prognostic signature for colorectal cancer, glioma, and breast cancer patients. Two public colorectal cancer microarray data sets were used for discovery and validation of the WIPF1 co-expression module. Based on expression of the WIPF1 signature, we classified more than 400 additional tumors with microarray data from our own experiments or from publicly available data sets according to their WIPF1 signature expression. This allowed us to separate patient populations for colorectal cancers, breast cancers, and gliomas for which clinical characteristics like survival times and times to relapse were analyzed. Groups of colorectal cancer, breast cancer, and glioma patients with low expression of the WIPF1 co-expression module generally had a favorable prognosis. In addition, the majority of WIPF1 signature genes are individually correlated with disease outcome in different studies. Literature gene network analysis revealed that among WIPF1 co-expressed genes known direct transcriptional targets of c-myc, ESR1 and p53 are enriched. The mean expression profile of WIPF1 signature genes is correlated with the profile of a proliferation signature. The WIPF1 signature is the first microarray-based prognostic expression signature primarily developed for colorectal cancer that is instrumental in other tumor types: low expression of the WIPF1 module is associated with better prognosis. We used microarrays for the validation of a WIPF1 co-expression module which was developed on two publically available datasets. Keywords: disease state analysis For the generation of our own microarray data set, 62 CRC patients undergoing elective standard oncological resection at the Department of General, Vascular and Thoracic Surgery, Campus Benjamin Franklin, Charité, were prospectively recruited.

Dataset Information

KRAS Mutation and Incidence of the Colorectal Carcinoma in Martinique Between 2007 and 2009

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