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  • 1Laboratorio de Patogénesis Celular Humana y Veterinaria, Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), San Lorenzo 290, Col. Del Valle, Mexico City 09790, Mexico.

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Summary

This study reveals that specific non-coding RNAs regulate prostate cancer (PCa) growth and spread by affecting blood vessel formation (angiogenesis). The LINC00261-miR-206-HIF1A pathway is a key player and potential therapeutic target for advanced PCa.

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angiogenesislncRNAsmetastasismiRNAsprostate cancertranscriptomics

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Area of Science:

  • Oncology
  • Molecular Biology
  • Bioinformatics

Background:

  • Prostate cancer (PCa) is a major cause of male cancer mortality, often involving aggressive growth and bone metastasis.
  • Angiogenesis is critical for tumor progression and metastasis in PCa.
  • Long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) are increasingly recognized as regulators in cancer development.

Purpose of the Study:

  • To investigate the roles of lncRNAs and miRNAs in regulating angiogenesis and metastasis in PCa.
  • To identify key regulatory axes involving non-coding RNAs, angiogenesis, and PCa progression.
  • To explore potential noninvasive biomarkers and therapeutic targets for advanced PCa.

Main Methods:

  • Analysis of public RNA-sequencing datasets to identify differentially expressed miRNAs in metastatic (N1) versus nonmetastatic (N0) PCa.
  • Bioinformatic reconstruction of co-regulatory networks involving miRNAs, lncRNAs, and angiogenesis-related mRNAs.
  • RT-qPCR validation of key regulatory axes using serum-derived liquid biopsies from PCa patients and healthy controls.

Main Results:

  • Upregulation of hsa-miR-183-5p and hsa-miR-216a-5p (pro-angiogenic) and downregulation of hsa-miR-206 and hsa-miR-184 (anti-angiogenic) in N1 PCa.
  • Identification of the LINC00261-miR-206-HIF1A axis as a central regulatory module.
  • RT-qPCR confirmed downregulation of LINC00261 and miR-206, and overexpression of HIF1A in N1 PCa, validating in silico findings (p < 0.001).

Conclusions:

  • Non-coding RNAs significantly regulate angiogenesis and metastasis in prostate cancer.
  • The LINC00261-miR-206-HIF1A axis represents a promising noninvasive biomarker and potential therapeutic target for advanced PCa.
  • Integrated computational and experimental data support further functional validation of this axis in advanced PCa.