ArticleBiomedical engineering online2024
Mechanically strained osteocyte-derived exosomes contained miR-3110-5p and miR-3058-3p and promoted osteoblastic differentiation.
Article in Biomedical engineering online, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
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Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Exosomes as Cellular Communicators and Therapeutic Agents in Orthopedic Diseases: From Mechanisms to Intervention.International journal of nanomedicine · 2026Pooled it
- The mechano-immune-vesicle regulatory circuit: a systems framework for bone homeostasis and regeneration.Bioactive materials · 2026Review
- Exercise‑induced exosomal noncoding RNAs: Molecular signaling cascades in bone remodeling and translational applications in sports‑related bone injuries (Review).International journal of molecular medicine · 2026Review
- Exosomes in bone health and disease: cellular crosstalk, systemic signaling, and AI-driven advances in regenerative therapy.Stem cell research & therapy · 2026Review
- Review
- Enhancing osteoporosis treatment: emerging roles of engineered exosomes in bone regeneration and repair.Journal of translational medicine · 2026Review
- Immunomodulatory and Regenerative Functions of MSC-Derived Exosomes in Bone Repair.Bioengineering (Basel, Switzerland) · 2025Review
- Osteocytes: master orchestrators of skeletal homeostasis, remodeling, and osteoporosis pathogenesis.Frontiers in cell and developmental biology · 2025Review
- Ank-mediated pyrophosphate regulates shear stress-induced small extracellular vesicle production in 3D-cultured osteocytes.Animal cells and systems · 2024Article
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Abstract
backgroundOsteocytes are critical mechanosensory cells in bone, and mechanically stimulated osteocytes produce exosomes that can induce osteogenesis. MicroRNAs (miRNAs) are important constituents of exosomes, and some miRNAs in osteocytes regulate osteogenic differentiation; previous studies have indicated that some differentially expressed miRNAs in mechanically strained osteocytes likely influence osteoblastic differentiation. Therefore, screening and selection of miRNAs that regulate osteogenic differentiation in exosomes of mechanically stimulated osteocytes are important.
resultsA mechanical tensile strain of 2500 με at 0.5 Hz 1 h per day for 3 days, elevated prostaglandin E2 (PGE2) and insulin-like growth factor-1 (IGF-1) levels and nitric oxide synthase (NOS) activity of MLO-Y4 osteocytes, and promoted osteogenic differentiation of MC3T3-E1 osteoblasts. Fourteen miRNAs differentially expressed only in MLO-Y4 osteocytes which were stimulated with mechanical tensile strain, were screened, and the miRNAs related to osteogenesis were identified. Four differentially expressed miRNAs (miR-1930-3p, miR-3110-5p, miR-3090-3p, and miR-3058-3p) were found only in mechanically strained osteocytes, and the four miRNAs, eight targeted mRNAs which were differentially expressed only in mechanically strained osteoblasts, were also identified. In addition, the mechanically strained osteocyte-derived exosomes promoted the osteoblastic differentiation of MC3T3-E1 cells in vitro, the exosomes were internalized by osteoblasts, and the up-regulated miR-3110-5p and miR-3058-3p in mechanically strained osteocytes, were both increased in the exosomes, which was verified via reverse transcription quantitative polymerase chain reaction (RT-qPCR).
conclusionsIn osteocytes, a mechanical tensile strain of 2500 με at 0.5 Hz induced the fourteen differentially expressed miRNAs which probably were in exosomes of osteocytes and involved in osteogenesis. The mechanically strained osteocyte-derived exosomes which contained increased miR-3110-5p and miR-3058-3p (two of the 14 miRNAs), promoted osteoblastic differentiation.
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