Lilian I Plotkin1,2, Rafael Pacheco-Costa1, Hannah M Davis1. 1. Department of Anatomy & Cell Biology, Indianapolis, IN, USA. 2. Roudebush Veterans Administration Medical Center, Indianapolis, IN, USA.
Abstract
PURPOSE OF REVIEW: To describe the current knowledge on the cross-talk between connexins and microRNAs (miRs) in bone cells. RECENT FINDINGS: Connexins play a crucial role on bone development and maintenance, and disruptions in their abundance or localization can affect how bone perceives and responds to mechanical, hormonal, and pharmacological stimuli. Connexin expression can be modified by miRs, which modulate connexin mRNA and protein levels. Recently, different manners by which miRs and connexins can interact in bone have been identified, including mechanisms that mediate miR exchange between cells in direct contact through gap junctions, or between distant cells via extracellular vesicles (EVs). SUMMARY: We bring to light the relationship between miRs and connexins in bone tissue, with special focus on regulatory effects of miRs and connexins on gene expression, as well as the mechanisms that mediate miR exchange between cells in direct contact through gap junctions, or between distant cells via EVs.
PURPOSE OF REVIEW: To describe the current knowledge on the cross-talk between connexins and microRNAs (miRs) in bone cells. RECENT FINDINGS: Connexins play a crucial role on bone development and maintenance, and disruptions in their abundance or localization can affect how bone perceives and responds to mechanical, hormonal, and pharmacological stimuli. Connexin expression can be modified by miRs, which modulate connexin mRNA and protein levels. Recently, different manners by which miRs and connexins can interact in bone have been identified, including mechanisms that mediate miR exchange between cells in direct contact through gap junctions, or between distant cells via extracellular vesicles (EVs). SUMMARY: We bring to light the relationship between miRs and connexins in bone tissue, with special focus on regulatory effects of miRs and connexins on gene expression, as well as the mechanisms that mediate miR exchange between cells in direct contact through gap junctions, or between distant cells via EVs.
Entities:
Keywords:
bone; connexin; extracellular vesicles; gap junction; microRNA; musculoskeletal tissue
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