Background: MicroRNAs serve a crucial role in the post-transcriptional control of gene
expression, as well as in development and cellular activities. Differential miRNA expression
patterns between osteoarthritis (OA) patients and healthy persons demonstrate the
significance of miRNAs in the pathogenesis of OA. miR-34a-5p affects biological activities
such as p53-induced cell cycle arrest, apoptosis, and senescence, and its expression is
markedly elevated in the plasma of patients with advanced primary knee osteoarthritis (KOA)
Methods: The expression of miR-34a-5p in human plasma (n = 60) was measured using
quantitative real-time PCR, all subjects were divided into two groups: Group (A): Forty
primary KOA patients who met the American College of Rheumatology (ACR) criteria
.Group (B): Twenty healthy individuals. They were of the same age and gender as OA
patients. Results: Our research demonstrated that miR-34a-5p expression is considerably
elevated in the plasma of patients. Conclusion: Our study illustrates the function of miR-34a5p in the pathogenesis and joint destruction of primary KOA.
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