ArticleInternational journal of molecular sciences2017
Exogenous PTHrP Repairs the Damaged Fracture Healing of PTHrP+/- Mice and Accelerates Fracture Healing of Wild Mice.
Article in International journal of molecular sciences, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 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
6 citing papers in PubMed, 7 citations in OpenAlex.
- Stimulation of fracture mineralization by salt-inducible kinase inhibitors.Frontiers in bioengineering and biotechnology · 2024Article
- Review
- Biological aspects to enhance fracture healing.EFORT open reviews · 2023Review
- Review
- Mechanisms Underlying Normal Fracture Healing and Risk Factors for Delayed Healing.Current osteoporosis reports · 2019Review
- Anabolic Strategies to Augment Bone Fracture Healing.Current osteoporosis reports · 2018Review
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bone fracture healing is a complicated physiological regenerative process initiated in response to injury and is similar to bone development. To demonstrate whether an exogenous supply of parathyroid hormone-related protein (PTHrP) helps in bone fracture healing, closed mid-diaphyseal femur fractures were created and stabilized with intramedullary pins in eight-week-old wild-type (WT) PTHrP+/+ and PTHrP+/- mice. After administering PTHrP for two weeks, callus tissue properties were analyzed at one, two, and four weeks post-fracture (PF) by various methods. Bone formation-related genes and protein expression levels were evaluated by real-time reverse transcriptase-polymerase chain reaction and Western blots. At two weeks PF, mineral density of callus, bony callus areas, mRNA levels of alkaline phosphatase (ALP), type I collagen, Runt-related transcription factor 2 (Runx-2), and protein levels of Runx-2 and insulin-like growth factor-1 decreased in PTHrP+/- mice compared with WT mice. At four weeks PF, total collagen-positive bony callus areas, osteoblast number, ALP-positive areas, and type I collagen-positive areas all decreased in PTHrP+/- mice. At both two and four weeks PF, tartrate-resistant acid phosphatase-positive osteoclast number and surface decreased a little in PTHrP+/- mice. The study indicates that exogenous PTHrP provided by subcutaneous injection could redress impaired bone fracture healing, leading to mutation of activated PTHrP by influencing callus areas, endochondral bone formation, osteoblastic bone formation, and bone turnover.
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Registered trials
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