Prognostic factors involved in the epithelial– mesenchymal transition process in colorectal cancer have a preponderant role in oxidative stress: A systematic review and meta-analysis

Eva Parisi, Anabel Sorolla, Robert Montal, Rita González-Resina, Anna Novell, Antonieta Salud, Maria Alba Sorolla

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)

Abstract

Epithelial-to-mesenchymal transition (EMT) is one of the most accepted mechanisms leading to metastasis, which is responsible for most of the cancer-related deaths. In order to identify EMT-related biomarkers able to predict clinical outcomes in colorectal cancer (CRC), a systematic review and meta-analysis of prognostic factors associated to overall survival (OS) and progression free survival (PFS) was conducted. The systematic literature search included studies from June 2014 to June 2019 available at PubMed and Scopus databases. Meta-analysis was performed for those markers appearing in minimum three works with a total number of 8656 participants. The rest were enlisted and subjected to functional enrichment. We identified nine clinical biomarkers and 73 EMT-related molecular biomarkers associated to OS and/or PFS in CRC. The significant enrichment of biomarkers found involved in cellular oxidoreductase activity suggests that ROS generation plays an active role in the EMT process. Clinical practice needs new biomarkers with a reliable prognostic value able to predict clinical outcomes in CRC. Our integrative work supports the role of oxidative stress in tumorigenesis and EMT progress highlighting the importance of deciphering this specific mechanism to get a better understanding of metastasis.

Original languageEnglish
Article number3330
Pages (from-to)1-28
Number of pages28
JournalCancers
Volume12
Issue number11
DOIs
Publication statusPublished - Nov 2020

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