The Role and Therapeutic Potential of miRNAs in Colorectal Liver Metastasis

Smiti S. Sahu, Shatovisha Dey, Sarah C. Nabinger, Guanglong Jiang, Alison Bates, Hiromi Tanaka, Yunlong Liu, Janaiah Kota

Research output: Contribution to journalArticle

Abstract

Colorectal cancer (CRC) is the fourth leading cause of cancer-related deaths worldwide. Liver metastasis is the major cause of CRC patient mortality, occurring in 60% patients with no effective therapies. Although studies have indicated the role of miRNAs in CRC, an in-depth miRNA expression analysis is essential to identify clinically relevant miRNAs and understand their potential in targeting liver metastasis. Here we analyzed miRNA expressions in 405 patient tumors from publicly available colorectal cancer genome sequencing project database. Our analyses showed miR-132, miR-378f, miR-605 and miR-1976 to be the most significantly downregulated miRNAs in primary and CRC liver metastatic tissues, and CRC cell lines. Observations in CRC cell lines indicated that ectopic expressions of miR-378f, -605 and -1976 suppress CRC cell proliferation, anchorage independent growth, metastatic potential, and enhance apoptosis. Consistently, CRC patients with higher miR-378f and miR-1976 levels exhibited better survival. Together, our data suggests an anti-tumorigenic role of these miRNAs in CRC and warrant future in vivo evaluation of the molecules for developing biomarkers or novel therapeutic strategies.

Original languageEnglish (US)
Article number15803
JournalScientific reports
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2019

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MicroRNAs
Colorectal Neoplasms
Neoplasm Metastasis
Liver
Therapeutics
Cell Line
Liver Neoplasms
Neoplasms
Down-Regulation
Biomarkers
Cell Proliferation
Genome
Databases
Apoptosis
Survival
Mortality
Growth

ASJC Scopus subject areas

  • General

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The Role and Therapeutic Potential of miRNAs in Colorectal Liver Metastasis. / Sahu, Smiti S.; Dey, Shatovisha; Nabinger, Sarah C.; Jiang, Guanglong; Bates, Alison; Tanaka, Hiromi; Liu, Yunlong; Kota, Janaiah.

In: Scientific reports, Vol. 9, No. 1, 15803, 01.12.2019.

Research output: Contribution to journalArticle

Sahu, Smiti S. ; Dey, Shatovisha ; Nabinger, Sarah C. ; Jiang, Guanglong ; Bates, Alison ; Tanaka, Hiromi ; Liu, Yunlong ; Kota, Janaiah. / The Role and Therapeutic Potential of miRNAs in Colorectal Liver Metastasis. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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