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Transcription factor-microRNA associations and their impact on colorectal cancer survival

Lila E Mullany1, Jennifer S Herrick1, Roger K Wolff1

  • 1Department of Internal Medicine, University of Utah, Salt Lake City, Utah.

Molecular Carcinogenesis
|July 2, 2017
PubMed

Insights

Transcription Factors (TFs) and microRNAs (miRNAs) impact colorectal cancer survival. This study identified specific TF-miRNA interactions affecting patient prognosis, offering new insights into cancer development and survival.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • MicroRNAs (miRNAs) and Transcription Factors (TFs) regulate gene expression, influencing cancer development and patient outcomes.
  • The complex interplay of miRNAs and TFs in carcinogenesis makes it challenging to identify key players affecting cancer survival.

Purpose of the Study:

  • To investigate the association between TF expression and survival in colon cancer patients.
  • To identify miRNAs linked to survival-associated TFs.
  • To determine if TF-specific miRNA expression patterns influence survival in colorectal cancer.

Main Methods:

  • Survival analysis using Cox Proportional hazard models was performed.
  • Associations between TF expression and miRNA expression in normal colonic mucosa were analyzed.
  • Principal Component Analysis (PCA) was used to derive factors from TF-specific miRNA expression patterns.

Main Results:

  • Thirty TFs were associated with improved survival in colon cancer.
  • 27 of these TFs showed significant associations with 65 unique miRNAs.
  • Five miRNA-derived factors, including one that reduced survival, impacted rectal cancer survival; one factor comprising four miRNAs reduced colon cancer survival.

Conclusions:

  • TF and related miRNA expression significantly influence survival in colorectal cancer patients.
  • Identifying specific TF-miRNA interactions can provide prognostic biomarkers.
  • This research highlights the critical role of gene regulatory networks in colorectal cancer progression.
Keywords:
cancercolorectalmicroRNAsurvivaltranscription factor

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