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Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/7305

Title: Identification by Real-time PCR of 13 mature microRNAs differentially expressed in colorectal cancer and non-tumoral tissues
Authors: Bandrés, E.
Cubedo, E.
Aguirre, X.
Malumbres, R.
Zárate, R.
Ramirez, N.
Abajo, A.
Navarro, A.
Moreno, I.
Monzó Planella, Mariano
García-Foncillas, J.
Matèria: Expressió genètica
Gene expression
Colorectal neoplasms
Issue Date: 2006
Publisher: BioMed Central
Abstract: MicroRNAs (miRNAs) are short non-coding RNA molecules playing regulatory roles by repressing translation or cleaving RNA transcripts. Although the number of verified human miRNA is still expanding, only few have been functionally described. However, emerging evidences suggest the potential involvement of altered regulation of miRNA in pathogenesis of cancers and these genes are thought to function as both tumours suppressor and oncogenes. In our study, we examined by Real-Time PCR the expression of 156 mature miRNA in colorectal cancer. The analysis by several bioinformatics algorithms of colorectal tumours and adjacent non-neoplastic tissues from patients and colorectal cancer cell lines allowed identifying a group of 13 miRNA whose expression is significantly altered in this tumor. The most significantly deregulated miRNA being miR-31, miR-96, miR-133b, miR-135b, miR-145, and miR-183. In addition, the expression level of miR-31 was correlated with the stage of CRC tumor. Our results suggest that miRNA expression profile could have relevance to the biological and clinical behavior of colorectal neoplasia.
Nota: Reproducció del document publicat a http://dx.doi.org/10.1186/1476-4598-5-29
És part de: Molecular Cancer, 2006, vol. 5, núm. 29
URI: http://hdl.handle.net/2445/7305
ISSN: 1476-4598
Appears in Collections:Articles publicats en revistes (Obstetrícia i Ginecologia, Pediatria, Radiologia i Anatomia)

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