Research Topics
| Barbara D BoyanSummaryAffiliation: University of Texas Health Science Center Country: USA Publications
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Detail Information
Publications
Osteochondral progenitor cells in acute and chronic canine nonunionsB D Boyan
Department of Orthopaedics, University of Texas Health Science Center at San Antonio, 78284 7823, USA
J Orthop Res 17:246-55. 1999....
Evidence for distinct membrane receptors for 1 alpha,25-(OH)(2)D(3) and 24R,25-(OH)(2)D(3) in osteoblastsBarbara D Boyan
Department of Orthopaedics, University of Texas Health Science Center at San Antonio, San Antonio, Texas, USA
Steroids 67:235-46. 2002..These results demonstrate that response to 1 alpha,25-(OH)(2)D(3) and 24R,25-(OH)(2)D(3) depends on osteoblast maturation state and suggest that specific and distinct membrane receptors are involved...
Osteoblast-mediated mineral deposition in culture is dependent on surface microtopographyB D Boyan
Department of Orthopaedics, University of Texas Health Science Center, San Antonio, TX 78229 3900, USA
Calcif Tissue Int 71:519-29. 2002..This demonstrates that interactions between growth factor or hormone and surface microtopography can modulate bone cell differentiation and mineralization...
Both cyclooxygenase-1 and cyclooxygenase-2 mediate osteoblast response to titanium surface roughnessB D Boyan
Department of Orthopaedics, University of Texas Health Science Center, 7703 Floyd Curl Drive, San Antonio, TX 78229 3900, USA
J Biomed Mater Res 55:350-9. 2001..While prostaglandin mediates the effects of surface roughness on alkaline phosphatase, neither Cox-1 nor Cox-2 appears to be involved, at least with respect to the two inhibitors used...
24,25-(OH)(2)D(3) regulates cartilage and bone via autocrine and endocrine mechanismsB D Boyan
University of Texas Health Science Center at San Antonio, 78229 3900, USA
Steroids 66:363-74. 2001..These studies indicate that 24(R),25(OH)(2)D(3) plays an important role in endochondral ossification by regulating less mature chondrocytes and promoting their maturation in the endochondral lineage...
Porcine fetal enamel matrix derivative enhances bone formation induced by demineralized freeze dried bone allograft in vivoB D Boyan
Department of Orthopaedics, University of Texas Health Science Center, San Antonio 78229 3900, USA
J Periodontol 71:1278-86. 2000....
Surface roughness mediates its effects on osteoblasts via protein kinase A and phospholipase A2B D Boyan
Department of Orthopaedics, University of Texas Health Science Center at San Antonio, 78229 3900, USA
Biomaterials 20:2305-10. 1999..Further downstream, prostaglandin E2 activates protein kinase A...
Effect of surface roughness and composition on costochondral chondrocytes is dependent on cell maturation stateB D Boyan
Department of Periodontics, University of Texas Health Science Center at San Antonio, 78284 7774, USA
J Orthop Res 17:446-57. 1999..Furthermore, the nature and extent of the cell response is dependent on cell maturation. The overriding variable in response to an implant material, however, appears to be roughness of the surface...
Potential of porous poly-D,L-lactide-co-glycolide particles as a carrier for recombinant human bone morphogenetic protein-2 during osteoinduction in vivoB D Boyan
Department of Orthopaedics, University of Texas Health Science Center, San Antonio 78284 7774, USA
J Biomed Mater Res 46:51-9. 1999..Further, the PLG copolymers with rhBMP-2 had a greater effect in inducing new bone formation and resorbing the implanted material than active DFDBA alone...
1,25-(OH)2D3 modulates growth plate chondrocytes via membrane receptor-mediated protein kinase C by a mechanism that involves changes in phospholipid metabolism and the action of arachidonic acid and PGE2B D Boyan
Department of Orthopaedics, University of Texas Health Science Center at San Antonio, 78284 7774, USA
Steroids 64:129-36. 1999..1,25 stimulates MMPs in the MVs, resulting in increased proteoglycan degradation in mineralization gels, and increased activation of latent transforming growth factor-beta 1 (TGF-beta1)...
Membrane mediated signaling mechanisms are used differentially by metabolites of vitamin D(3) in musculoskeletal cellsBarbara D Boyan
Department of Orthopaedics, MC7774, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229 3900, USA
Steroids 67:421-7. 2002....
Transforming growth factor-beta1 regulation of growth zone chondrocytes is mediated by multiple interacting pathwaysEnrique Rosado
Department of Periodontics, The University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA
Biochim Biophys Acta 1590:1-15. 2002..PGE(2) activates the EP2 receptor, leading to G-protein-dependent activation of PKA. PKA signaling results in increased PKC activity and PKC signaling regulates proliferation, differentiation, and matrix synthesis...
Ceramic and PMMA particles differentially affect osteoblast phenotypeChristoph H Lohmann
Department of Orthopaedics, University of Texas Health Science Center at San Antonio, 78229-3900, USA
Biomaterials 23:1855-63. 2002..These results may indicate that the response of peri-prosthetic tissues to wear particles may be modulated by the relative contributions of the various particle types present...
Nitric oxide and prostaglandin E2 production in response to ultra-high molecular weight polyethylene particles depends on osteoblast maturation stateChristoph H Lohmann
University of Texas Health Science Center at San Antonio, Texas 78229-3900, USA
J Bone Joint Surg Am 84:411-9. 2002....
Role of oral bacterial flora in calcific aortic stenosis: an animal modelDavid J Cohen
Cardiothoracic Surgery Service, Brooke Army Medical Center, Fort Sam Houston, Texas, USA
Ann Thorac Surg 77:537-43. 2004..Such bacteria are typically present as part of the normal human oral flora...
Osteoblast-like cells are sensitive to submicron-scale surface structureGe Zhao
Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
Clin Oral Implants Res 17:258-64. 2006....
Integrin beta1 silencing in osteoblasts alters substrate-dependent responses to 1,25-dihydroxy vitamin D3Liping Wang
Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, 315 Ferst Drive NW, Georgia 30332, USA
Biomaterials 27:3716-25. 2006..The results also show that beta1 mediates, in part, the synergistic effects of surface roughness and 1alpha,25(OH)2D3...
Effect of micrometer-scale roughness of the surface of Ti6Al4V pedicle screws in vitro and in vivoZvi Schwartz
Wallace H Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 315 Ferst Drive N W, Atlanta, GA 30332 0363, USA
J Bone Joint Surg Am 90:2485-98. 2008..In this study, we examined the effects of micrometer-scale-structured Ti6Al4V surfaces on cell responses in vitro and on tissue responses in vivo...
Membrane actions of vitamin D metabolites 1alpha,25(OH)2D3 and 24R,25(OH)2D3 are retained in growth plate cartilage cells from vitamin D receptor knockout miceBarbara D Boyan
Georgia Institute of Technology, Atlanta, Georgia, USA
J Cell Biochem 90:1207-23. 2003..1alpha,25(OH)(2)D(3)-dependent regulation of DNA synthesis in GC cells requires the 1,25-nVDR, although other physiological responses to the vitamin D metabolite, such as proteoglycan sulfation, involve regulation via the 1,25-mVDR...
1alpha,25(OH)2D3 regulates chondrocyte matrix vesicle protein kinase C (PKC) directly via G-protein-dependent mechanisms and indirectly via incorporation of PKC during matrix vesicle biogenesisZvi Schwartz
Hebrew University, Jerusalem 91120, Israel
J Biol Chem 277:11828-37. 2002....
Surface microtopography regulates osteointegration: the role of implant surface microtopography in osteointegrationZvi Schwartz
Hebrew University Hadassah Faculty of Dental Medicine, Jerusalem
Alpha Omegan 98:9-19. 2005..This finding may lead us to a new era in dental implants...
Steroid hormone action in musculoskeletal cells involves membrane receptor and nuclear receptor mechanismsBarbara D Boyan
Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Connect Tissue Res 44:130-5. 2003....
Regulation of growth plate chondrocytes by 1,25-dihydroxyvitamin D3 requires caveolae and caveolin-1Barbara D Boyan
Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332 0363, USA
J Bone Miner Res 21:1637-47. 2006..We found that caveolae are required for rapid 1alpha,25(OH)(2)D(3)-dependent PKC signaling, and caveolin-1 must be present based on studies using chondrocytes from Cav-1(-/-) mice...
1alpha,25(OH)2D3 is an autocrine regulator of extracellular matrix turnover and growth factor release via ERp60 activated matrix vesicle metalloproteinasesBarbara D Boyan
Department of Biomedical Engineering, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, GA 30332 0363, USA
J Steroid Biochem Mol Biol 103:467-72. 2007..However, when MVs are treated with 1alpha,25(OH)(2)D(3), PKCzeta activity is decreased and PKCalpha is unaffected, suggesting a more complex feedback mechanism, potentially involving MV lipid signaling...
Beta-1 integrins mediate substrate dependent effects of 1alpha,25(OH)2D3 on osteoblastsZvi Schwartz
Department of Biomedical Engineering, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, GA 30332 0363, USA
J Steroid Biochem Mol Biol 103:606-9. 2007..The results also show that beta(1) mediates, in part, the synergistic effects of surface roughness and 1alpha,25(OH)(2)D(3)...
Caveolin-1 knockout mice have increased bone size and stiffnessJanet Rubin
Department of Medicine, University of North Carolina, Chapel Hill, North Carolina 27599, USA
J Bone Miner Res 22:1408-18. 2007..Cell studies showed that cav-1 deficiency leads to increased osteoblast differentiation. These results suggest that cav-1 helps to maintain osteoblast progenitors in a less differentiated state...
Use of growth factors to modify osteoinductivity of demineralized bone allografts: lessons for tissue engineering of boneBarbara D Boyan
Georgia Institute of Technology, Atlanta, GA 30332 0363, USA
Dent Clin North Am 50:217-28, viii. 2006..This article examines the use of growth factors, including platelet-rich plasma, platelet-derived growth factor, enamel matrix derivatives, and BMP-2, to enhance the osteoinductive properties of human DFDBA...
