ArticleCell proliferation2024
A critical size volumetric muscle loss model in mouse masseter with impaired mastication on nutrition.
Article in Cell proliferation, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Defining subcellular synovial responses in TMJ osteoarthritis onset via mechanical stress and articular disk derangement models.International journal of oral science · 2026Article
- Mouse Models of Muscle Fibrosis: Mechanisms, Methods, and Applications.Biomedicines · 2026Review
- Critical-Size Muscle Defect Regeneration Using an Injectable Cell-Laden Nanofibrous Matrix: An Ex Vivo Mouse Hindlimb Organ Culture Study.International journal of molecular sciences · 2025Article
- Bifunctional adECM bioscaffold with STIM1-ASCs and IGF-2 promotes functional masseter VML repair via myogenesis and fibrosis suppression.Bioactive materials · 2025Article
- Transcription factor MITF regulates masseter muscle growth and development.Physiological reports · 2025Article
- A critical size volumetric muscle loss model in mouse masseter with impaired mastication on nutrition.Cell proliferation · 2024Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Orofacial muscle defect due to congenital anomalies, tumour ablation or traumatic accident that exceeds endogenous regeneration capacity may lead to sustained deficits in masticatory function and nutrition intake. Functional recovery has always been the goal of muscle tissue repair, but currently, there is no suitable model for quantitative analyses of either functional consequences or treatment efficacy of orofacial muscle defect. This study proposed a critical size volumetric muscle loss (VML) model in mouse masseter with impaired mastication on nutrition. Full-thickness VML defects in diameter of 1.0, 1.5, 2.0 and 3.0 mm were generated in the centre of the mouse masseter using a biopsy punch to determine the critical size for functional impairment. In the VML region, myogenesis was dampened but fibrogenesis was activated, as long with a reduction in the density of the neuromuscular junction and an increase in vascular density. Accordingly, persistent fibrosis was observed in the centre region of VML in all diameters. The 2.0 mm diameter was the critical threshold to masticatory function impairment after VML in the masseter. VML of 3.0 mm diameter led to a significant impact on nutrition intake and body weight gain. Autologous muscle graft effectively relieved the fibrosis and functional deficit after VML injury in the masseter. This model serves as a reliable tool in studying functional recovery strategies for orofacial muscle defects.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.