Promise and Perils of MicroRNA Discovery Research: Working Toward Quality Over Quantity

Emma K McIlwraith1, Wenyuan He1, Denise D Belsham1,2

  • 1Department of Physiology, University of Toronto, Toronto, Ontario, M5S 1A8, Canada.

Endocrinology
|July 15, 2023
PubMed

Insights

MicroRNA research, while advanced, faces reproducibility issues due to lack of standardization. This review offers guidelines and highlights common pitfalls in microRNA (miRNA) studies for improved research quality.

Area of Science:

  • Molecular Biology
  • Genetics
  • Biotechnology

Background:

  • MicroRNA (miRNA) research has expanded significantly since 1993, with numerous patents and clinical trials.
  • Despite advanced knowledge of miRNA biogenesis and function, applied research struggles with standardization and reproducibility.
  • Challenges persist in areas like miRNA annotation, quantification, modulation, target prediction, validation, and circulating miRNA studies.

Approach:

  • This review synthesizes current knowledge on miRNA research methodologies.
  • It provides guidelines for conducting robust miRNA investigations.
  • The focus is on identifying and addressing common pitfalls in applied miRNA research.

Key Points:

  • Standardization is crucial for overcoming reproducibility challenges in applied miRNA research.
  • Overlooked considerations in miRNA annotation, quantification, and target validation can impact results.
  • Specific attention is given to the nuances of studying circulating miRNAs.

Conclusions:

  • Implementing standardized protocols is essential for advancing the reliability of miRNA research.
  • Addressing the identified pitfalls will enhance the quality and consistency of future miRNA studies.
  • This review aims to guide researchers towards more reproducible and impactful miRNA investigations.