ArticlePlastic and reconstructive surgery2017
Enhanced Calvarial Bone Healing in CD11c-TLR4-/- and MyD88-/- Mice.
Article in Plastic and reconstructive surgery, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Circulating CD38Scientific reports · 2026Article
- Engineering Musculoskeletal Grafts for Multi-Tissue Unit Repair: Lessons From Developmental Biology and Wound Healing.Frontiers in physiology · 2021Review
- Expression and clinical significance of SATB1 and TLR4 in breast cancer.Oncology letters · 2017Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundInflammation is integral to the injury response. The inflammatory response is essential to the host defense against infection and also to tissue regeneration and repair. Toll-like receptors (TLRs) are critical activators of the innate immune response and present attractive therapeutic targets for inflammation-modulated tissue regeneration. The authors' previous study showed that depletion of TLR4 resulted in accelerated skull bone healing concurrent with increased expression of osteoclastogenic genes. As such, in the present study, the authors used various knockout mouse models for TLR4 and its associated signaling mediators as tools to further understand the role of Toll-like receptor-mediated inflammation in calvarial bone healing.
methodsCalvarial defects (1.8-mm diameter) were created in wild-type, TLR4 knockout (TLR4), TLR2, MyD88, TRIF, TLR4 knockout in myeloid cell (Lyz-TLR4), and TLR4 knockout in dendritic-lineage cell (CD11c-TLR4) mice. Bone healing was examined using micro-computed tomographic, histologic, and histomorphometric analyses.
resultsMicro-computed tomographic and histomorphometric analyses revealed that TLR4-deficient mice (TLR4, Lyz-TLR4, and CD11c-TLR4) exhibited a faster intramembraneous healing response at postoperative day 7, whereas MyD88 and CD11c-TLR4 mice showed enhanced bone healing at day 28.
conclusionsThe authors' data suggest a detrimental role for TLR4 in CD11c cells, mediated by Myd88 signaling, during calvarial bone healing. The authors have demonstrated that Toll-like receptor signaling components affect calvarial bone healing, establishing a link between the skeletal and immune systems during craniofacial bone healing. Toll-like receptor signaling components might be used to initiate enhanced healing in bone defects to improve clinical outcomes.
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