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Prognostic implications of EGFR protein expression in sporadic colorectal tumors: Correlation with copy number status, mRNA levels and miRNA regulation.


ABSTRACT: Sporadic colorectal cancer (sCRC) is the third most frequent cancer worldwide and the second most common cause of cancer-related deaths (mainly due metastatic dissemination). We investigated the immunohistochemical expression of frequently altered proteins in primary tumors from 51 patients (25 liver metastatic and 26 non-metastatic cases) with a median 103 months follow-up (103 months). We evaluated EGFR copy number (using SNP arrays and FISH) and its expression and regulation (by mRNA and miRNA arrays). We found differences between metastatic and non-metastatic sCRCs for MLH1 (p?=?0.05), PMS2 (p?=?0.02), CEA (p?

SUBMITTER: Del Carmen S 

PROVIDER: S-EPMC7070091 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Prognostic implications of EGFR protein expression in sporadic colorectal tumors: Correlation with copy number status, mRNA levels and miRNA regulation.

Del Carmen Sofía S   Corchete Luís Antonio LA   Gervas Ruth R   Rodriguez Alba A   Garcia María M   Álcazar José Antonio JA   García Jacinto J   Bengoechea Oscar O   Muñoz-Bellvis Luis L   Sayagués José María JM   Abad Mar M  

Scientific reports 20200313 1


Sporadic colorectal cancer (sCRC) is the third most frequent cancer worldwide and the second most common cause of cancer-related deaths (mainly due metastatic dissemination). We investigated the immunohistochemical expression of frequently altered proteins in primary tumors from 51 patients (25 liver metastatic and 26 non-metastatic cases) with a median 103 months follow-up (103 months). We evaluated EGFR copy number (using SNP arrays and FISH) and its expression and regulation (by mRNA and miRN  ...[more]

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