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MicroRNA and Human Bone Health

Vincent Ka-Fai Cheng1, Philip Chun-Ming Au1, Kathryn Cb Tan2

  • 1Department of Pharmacology and Pharmacy The University of Hong Kong Pokfulam Hong Kong.

JBMR Plus
|January 26, 2019
PubMed

Insights

MicroRNAs (miRNAs) regulate bone cells, and genetic variations can impact bone metabolism and osteoporosis risk. Studying these genetic variants offers insights into bone health and disease management.

Area of Science:

  • Genetics
  • Molecular Biology
  • Bone Metabolism

Background:

  • Small non-coding microRNAs (miRNAs) are crucial post-transcriptional regulators in bone cells.
  • Single-nucleotide polymorphisms (SNPs) in miRNA or mRNA loci (miR-SNPs, PolymiRTS) can disrupt miRNA-mRNA interactions.
  • These disruptions may alter bone metabolism, potentially contributing to osteoporosis.

Purpose of the Study:

  • To review human microRNA studies related to bone traits.
  • To discuss the impact of genetic variants on bone metabolic pathways.
  • To explore the role of miRNAs in osteoporosis and their potential as biomarkers.

Main Methods:

  • Analysis of human studies including miRNA profiling and genome-wide association studies.
  • Integration of ex vivo investigations with animal and in vitro models.
  • Examination of miRNA signatures in secondary osteoporosis and response to medications like teriparatide and denosumab.

Main Results:

  • Human studies indicate microRNAs are promising biomarkers for bone health.
  • Genetic variants influencing miRNA function can affect bone metabolism.
  • MicroRNA signatures provide insights into secondary osteoporosis and treatment efficacy.

Conclusions:

  • MicroRNAs play a significant role in bone cell regulation and metabolism.
  • Genetic variations in miRNA pathways are implicated in osteoporosis development.
  • MicroRNA research offers potential for improved diagnosis and clinical management of bone diseases.
Keywords:
METABOLISMMICRORNAOSTEOPOROSISPolymiRTS

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