Bioinformatic analysis and identification of potential prognostic microRNAs and mRNAs in thyroid cancer

Jianing Tang1, Deguang Kong2, Qiuxia Cui1

  • 1Department of Thyroid and Breast Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China.

Peerj
|May 10, 2018
PubMed

Insights

Researchers identified key microRNAs (miRNAs) and messenger RNAs (mRNAs) linked to thyroid cancer survival. These molecules, including miR-184, miR-146b, miR-509-3, and LPAR5, show potential as prognostic markers and therapeutic targets for this endocrine malignancy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Thyroid cancer is a common endocrine malignancy.
  • Aberrant expression of microRNAs (miRNAs) and messenger RNAs (mRNAs) is implicated in thyroid cancer development.
  • These genetic alterations play crucial roles in tumorigenesis.

Purpose of the Study:

  • To identify differentially expressed miRNAs and mRNAs in thyroid cancer tissues compared to normal tissues.
  • To evaluate the prognostic value of these identified molecules in thyroid cancer.
  • To explore potential therapeutic targets for thyroid cancer treatment.

Main Methods:

  • Differential expression analysis of miRNAs and mRNAs between thyroid cancer and normal tissues.
  • Kaplan-Meier survival analysis and log-rank tests to assess prognostic significance.
  • Prediction of miRNA-mRNA interactions and analysis of protein-protein interaction networks to identify hub genes.

Main Results:

  • Identified 72 differentially expressed miRNAs and 1,766 differentially expressed mRNAs.
  • Seven miRNAs (miR-146b, miR-184, miR-767, miR-6730, miR-6860, miR-196a-2, miR-509-3) were associated with overall survival.
  • miR-184, miR-146b, miR-509-3, and LPAR5 were identified as independent risk factors for prognosis.

Conclusions:

  • A set of prognostic miRNAs and mRNAs were identified in thyroid cancer.
  • These molecules, particularly miR-184, miR-146b, miR-509-3, and LPAR5, hold potential as biomarkers for patient prognosis.
  • The findings suggest these miRNAs and mRNAs could serve as novel therapeutic targets for thyroid cancer.

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