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Updated: Jul 28, 2026
A Protocol to Acquire the Degenerative Tenocyte from Humans
Published on: June 9, 2018
Molecular dissection of tendon development and healing: Insights into tenogenic phenotypes and functions
1Department of Diagnostic Pathology, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan.
Abstract:
Tendon is a dense connective tissue that transmits contraction forces from skeletal muscles to bones. Adult tendon injury is a significant clinical problem because it occurs frequently with a high recurrence rate, and damaged tendon is rarely restored to full function. The main barrier to improving recovery outcomes is our incomplete understanding of the molecular mechanisms underlying the biological alterations following tendon injury in vivo. In this review, we specifically highlight the cellular dynamism of fibrotic tendon wound healing and the roles of mechanical loading. In particular, we document how tendon stem/progenitor cells expressing the tendon-specific transcription factor Scleraxis (Scx) play a role in fibrotic tendon wound healing, and describe novel experimental systems such as lineage cell tracing and single-cell analysis, both of which can shed light on tendon cell behavior and fate decisions during the tendon wound healing process.
Insights
Adult tendon injuries often recur due to poor healing. This review explores fibrotic healing mechanisms and the role of tendon stem/progenitor cells (Scx) in tendon repair, using advanced techniques to understand cell behavior.
Area of Science:
- Biomedical Engineering
- Regenerative Medicine
- Musculoskeletal Biology
Background:
- Adult tendon injuries are common, recurrent, and rarely heal completely.
- Understanding the molecular basis of tendon healing is crucial for improving patient outcomes.
- Current knowledge of in vivo tendon wound healing mechanisms is limited.
Purpose of the Study:
- To review the cellular dynamics in fibrotic tendon wound healing.
- To elucidate the role of mechanical loading in tendon repair.
- To highlight the function of tendon stem/progenitor cells (Scx) in healing.
Main Methods:
- Review of existing literature on tendon injury and healing.
- Discussion of cellular dynamism and fibrotic processes.
- Exploration of novel experimental systems like lineage tracing and single-cell analysis.
Main Results:
- Tendon stem/progenitor cells expressing Scleraxis (Scx) are implicated in fibrotic tendon wound healing.
- Advanced techniques offer new insights into cell behavior and fate during healing.
- Mechanical loading significantly influences tendon repair outcomes.
Conclusions:
- A deeper understanding of tendon stem/progenitor cell roles is key to improving tendon healing.
- Novel experimental approaches are vital for dissecting complex cellular processes in tendon repair.
- Targeting fibrotic pathways and understanding mechanical influences may enhance functional recovery.
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