Search Results - "Childress, Paul"
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Gene‐Metabolite Network Linked to Inhibited Bioenergetics in Association With Spaceflight‐Induced Loss of Male Mouse Quadriceps Muscle
Published in Journal of bone and mineral research (01-10-2020)“…ABSTRACT Prolonged residence of mice in spaceflight is a scientifically robust and ethically ratified model of muscle atrophy caused by continued unloading…”
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A translational regulatory mechanism mediated by hypusinated eukaryotic initiation factor 5A facilitates beta cell identity and function
Published in Diabetes (New York, N.Y.) (01-03-2024)“…As professional secretory cells, beta cells require adaptable mRNA translation to facilitate a rapid synthesis of proteins, including insulin, in response to…”
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Systemic effects of BMP2 treatment of fractures on non-injured skeletal sites during spaceflight
Published in Frontiers in endocrinology (Lausanne) (15-08-2022)“…Unloading associated with spaceflight results in bone loss and increased fracture risk. Bone morphogenetic protein 2 (BMP2) is known to enhance bone formation,…”
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Neonatal Osteomacs and Bone Marrow Macrophages Differ in Phenotypic Marker Expression and Function
Published in Journal of bone and mineral research (01-08-2021)“…ABSTRACT Osteomacs (OM) are specialized bone‐resident macrophages that are a component of the hematopoietic niche and support bone formation. Also located in…”
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The effects of spaceflight and fracture healing on distant skeletal sites
Published in Scientific reports (06-08-2019)“…Spaceflight results in reduced mechanical loading of the skeleton, which leads to dramatic bone loss. Low bone mass is associated with increased fracture risk,…”
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Loss of Nmp4 optimizes osteogenic metabolism and secretion to enhance bone quality
Published in American journal of physiology: endocrinology and metabolism (01-05-2019)“…A goal of osteoporosis therapy is to restore lost bone with structurally sound tissue. Mice lacking the transcription factor nuclear matrix protein 4 ( , , , )…”
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The effects of high fat diet, bone healing, and BMP-2 treatment on endothelial cell growth and function
Published in Bone (New York, N.Y.) (01-05-2021)“…Angiogenesis is a vital process during the regeneration of bone tissue. The aim of this study was to investigate angiogenesis at the fracture site as well as…”
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Anabolic and Catabolic Regimens of Human Parathyroid Hormone 1–34 Elicit Bone- and Envelope-Specific Attenuation of Skeletal Effects in Sost-Deficient Mice
Published in Endocrinology (Philadelphia) (01-08-2011)“…PTH is a potent calcium-regulating factor that has skeletal anabolic effects when administered intermittently or catabolic effects when maintained at…”
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Gene-metabolite networks associated with impediment of bone fracture repair in spaceflight
Published in Computational and structural biotechnology journal (01-01-2021)“…Adverse effects of spaceflight on musculoskeletal health increase the risk of bone injury and impairment of fracture healing. Its yet elusive molecular…”
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Osteomacs interact with megakaryocytes and osteoblasts to regulate murine hematopoietic stem cell function
Published in Blood advances (12-12-2017)“…Networking between hematopoietic stem cells (HSCs) and cells of the hematopoietic niche is critical for stem cell function and maintenance of the stem cell…”
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Functional Impairment of Bone Formation in the Pathogenesis of Osteoporosis: The Bone Marrow Regenerative Competence
Published in Current osteoporosis reports (01-06-2013)“…The skeleton is a high-renewal organ that undergoes ongoing cycles of remodeling. The regenerative bone formation arm ultimately declines in the aging,…”
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Megakaryocytes Enhance Mesenchymal Stromal Cells Proliferation and Inhibit Differentiation
Published in Journal of cellular biochemistry (19-07-2017)“…Megakaryocytes (MKs) can induce proliferation of calvarial osteoblasts [Ciovacco et al., 2009], but this same phenomenon has not been reported for bone marrow…”
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Analysis of the effects of spaceflight and local administration of thrombopoietin to a femoral defect injury on distal skeletal sites
Published in NPJ microgravity (26-03-2021)“…With increased human presence in space, bone loss and fractures will occur. Thrombopoietin (TPO) is a recently patented bone healing agent. Here, we…”
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Skeletal adaptations in young male mice after 4 weeks aboard the International Space Station
Published in NPJ microgravity (24-09-2019)“…Gravity has an important role in both the development and maintenance of bone mass. This is most evident in the rapid and intense bone loss observed in both…”
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Cohousing Male Mice with and without Segmental Bone Defects
Published in Comparative medicine (02-04-2018)“…Spaceflight results in bone loss like that associated with osteoporosis or decreased weight-bearing (for example, high-energy trauma such as explosive injuries…”
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Nmp4/CIZ: Road block at the intersection of PTH and load
Published in Bone (New York, N.Y.) (01-02-2010)“…Abstract Teriparatide (parathyroid hormone, [PTH]) is the only FDA-approved drug that replaces bone lost to osteoporosis. Enhancing PTH efficacy will improve…”
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RAGE supports parathyroid hormone-induced gains in femoral trabecular bone
Published in American journal of physiology: endocrinology and metabolism (01-03-2010)“…Parathyroid hormone (PTH) restores bone mass to the osteopenic skeleton, but significant questions remain as to the underlying mechanisms. The receptor for…”
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Nmp4/CIZ suppresses the parathyroid hormone anabolic window by restricting mesenchymal stem cell and osteoprogenitor frequency
Published in Stem cells and development (01-02-2013)“…Parathyroid hormone (PTH) anabolic osteoporosis therapy is intrinsically limited by unknown mechanisms. We previously showed that disabling the transcription…”
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Nmp4/CIZ suppresses parathyroid hormone-induced increases in trabecular bone
Published in Journal of cellular physiology (01-06-2009)“…The nucleocytoplasmic shuttling transcription factor Nmp4/CIZ (nuclear matrix protein 4/cas interacting zinc finger protein) is a ubiquitously expressed…”
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Uphill running does not exacerbate collagenase-induced pathological changes in the Achilles tendon of rats selectively bred for high-capacity running
Published in Connective tissue research (01-01-2013)“…The Achilles tendon is a frequent site for degeneration, and advanced understanding of this pathology requires an animal model that replicates the human…”
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