bonekey Reports
Papers 475
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#1Sandra M. Sacco (Brock University)H-Index: 11
#2Caitlin Saint (Brock University)H-Index: 5
Last. Wendy E. Ward (Brock University)H-Index: 30
view all 7 authors...
Long-term effects of repeated in vivo micro-computed tomography (μCT) scanning at key stages of growth and bone development (ages 2, 4 and 6 months) on trabecular and cortical bone structure, as well as developmental patterns, have not been studied. We determined the effect of repetitive μCT scanning at age 2, 4 and 6 months on tibia bone structure of male and female CD-1 mice and characterized developmental changes. At 2, 4 and 6 months of age, right tibias were scanned using in vivo μCT (Skysc...
#1Jonathan ReeveH-Index: 1
In this review, I consider the varied mechanisms in cortical bone that help preserve its integrity and how they deteriorate with aging. Aging affects cortical bone in two ways: extrinsically through its effects on the individual that modify its mechanical loading experience and 'milieu interieur'; and intrinsically through the prolonged cycle of remodelling and renewal extending to an estimated 20 years in the proximal femur. Healthy femoral cortex incorporates multiple mechanisms that help prev...
#1Emma O. Billington (University of Auckland)H-Index: 9
#2Greg D. Gamble (University of Auckland)H-Index: 76
Last. Ian R. Reid (University of Auckland)H-Index: 102
view all 3 authors...
Hyperparathyroidism may be associated with skeletal and cardiovascular abnormalities, but it is unclear whether these associations exist for high-normal levels of parathyroid hormone (PTH). We assessed relationships between PTH and anthropometric, skeletal and cardiometabolic indices in normal men. Body composition, blood pressure, biochemistry and bone mineral density (BMD) were evaluated in 151 healthy men. BMD was reassessed at 2 years, and coronary artery calcium (CAC) was measured at 3.5 ye...
#1Peter VargaH-Index: 34
Last. Markus WindolfH-Index: 30
view all 4 authors...
The high incidence of secondary hip fractures and the associated markedly increased mortality call for preventive actions that could help to avoid these injuries. By providing immediate strengthening and not relying on patient compliance, internal prophylactic augmentation of the osteoporotic proximal femur may overcome the main limitations of systemic bone drugs and wearable protective pads. However, such a method would have to provide sufficient and reliable strengthening effect with minimal r...
#1Gloria Allocca (University of Sheffield)H-Index: 4
#2Anjali P. Kusumbe (University of Oxford)H-Index: 19
Last. Ning Wang (University of Sheffield)H-Index: 17
view all 4 authors...
Confocal and two-photon microscopy has been widely used in bone research to not only produce high quality, three-dimensional images but also to provide valuable structural and quantitative information. In this article, we describe step-by-step protocols for confocal and two-photon microscopy to investigate earlier cellular events during colonisation of cancer cells in bone using xenograft mouse models. This includes confocal/two-photon microscopy imaging of paraformaldehyde fixed thick bone sect...
#1Melissa L. Knothe Tate (UNSW: UNSW Sydney)H-Index: 30
#2Nicole Y C Yu (UNSW: UNSW Sydney)H-Index: 14
Last. Ulf KnotheH-Index: 18
view all 5 authors...
Periosteum is a smart mechanobiological material that serves as a habitat and delivery vehicle for stem cells as well as biological factors that modulate tissue genesis and healing. Periosteum's remarkable regenerative capacity has been harnessed clinically for over two hundred years. Scientific studies over the past decade have begun to decipher the mechanobiology of periosteum, which has a significant role in its regenerative capacity. This integrative review outlines recent mechanobiological ...
#1Sandeep Paul (USC: University of Southern California)H-Index: 5
#2J. Gage Crump (USC: University of Southern California)H-Index: 23
Three major mesenchymal cell types have important roles in determining the shapes of vertebrate animals: bone-producing osteoblasts, cartilage-producing chondrocytes, and fat-producing adipocytes. Although often considered discrete cell types, accumulating evidence is revealing mesenchymal cells of intermediate identities and interconversion of cell types. Such plasticity is particularly evident during adult skeletal repair. In this Review, we highlight recent work in zebrafish showing a role fo...
#1Jeffrey P GorskiH-Index: 1
#2Jeffrey L. Price (UMKC: University of Missouri–Kansas City)H-Index: 16
Deletion of proprotein convertase Mbtps1 in bone osteocytes leads to a significant postnatal increase in skeletal muscle size and contractile function, while causing only a 25% increase in stiffness in long bones. Concerns about leakiness in skeletal muscle were discounted since Cre recombinase expression does not account for our findings, and, Mbtps1 protein and mRNA is not deleted. Interestingly, the response of normal skeletal muscle to exercise and the regenerative response of skeletal muscl...
#1Elizabeth Rendina-Ruedy (MMC: Maine Medical Center)H-Index: 8
#2Brenda J. Smith (OSU: Oklahoma State University)H-Index: 32
The prevalence of obesity and type 2 diabetes mellitus (T2DM) continues to rise, and as a result, research aimed at understanding the molecular basis for the co-morbidities has become an area of much scientific interest. Among the more recently recognized chronic complications of T2DM is the increased risk of fracture, especially hip fracture, that has been reported independent of bone mineral density (BMD). A widely used animal model to study how the development and progression of impaired gluc...
#1Åshild Bjørnerem (UiT: UiT The Arctic University of Norway)H-Index: 1
Cortical bone is not compact; rather it is penetrated by many Haversian and Volkmann canals for blood supply. The lining of these canals are the intracortical bone surfaces available for bone remodeling. Increasing intracortical bone remodeling increases cortical porosity. However, cortical bone loss occurs more slowly than trabecular loss due to the fact that less surface per unit of bone matrix volume is available for bone remodeling. Nevertheless, most of the bone loss over time is cortical b...
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