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  • 1
    Electronic Resource
    Electronic Resource
    Bone morphogenetic proteins and skeletal development: the kidney-bone connection (2000)
    Springer
    Pediatric nephrology 14 (2000), S. 598-601 
    Details
    ISSN: 1432-198X
    Keywords: Key words Morphogens ; Cytokines ; Cartilage ; BMP receptors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The bone morphogenetic proteins (BMPs) are a family of pleiotropic morphogens isolated and cloned from the demineralized extracellular matrix of bone. BMPs and related cartilage-derived morphogenetic proteins (CDMPs) initiate, promote and maintain bone and cartilage. The pleiotropic effects of BMPs are based on concentration-dependent thresholds. Targeted disruption of gene action by homologous recombination has demonstrated the role of BMP 7 in kidney, eye and skeletal development. BMP 7 is critical for kidney tubulogenesis, retinal pigmented epithelium differentiation and skeletal pattern. BMP 7 is also synthesized by the kidney and is detectable in serum; hence BMP 7 is both an autocrine and endocrine morphogen. It is likely renal BMP 7 may influence skeletal development and growth in children although there may be sources of other BMPs with skeletogenic actions. In conclusion, we are beginning to unravel the mysteries of kidney-bone connection with special reference to pediatric nephrology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004670000364
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  • 2
    Electronic Resource
    Electronic Resource
    Implant-stimulated interface reactions during collagenous bone matrix-induced bone formation (1985)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 19 (1985), S. 233-239 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: The sequential cellular reactions in the interface of collagenous bone matrix implants are described. The multistep cascade in response to bone matrix implantation include: binding of fibrin and fibronectin to the implanted matrix, chemotaxis of cells, proliferation of fibroblasts, differentiation into chondroblasts, cartilage formation, vascular invasion, bone formation, remodeling, and bone marrow differentiation. The mechanism of action is not known. However, several properties governing the implantcell interface are described. It is possible that bone matrix is a suitable biomaterial with potential applications in periodontal and orthopedic practice.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820190306
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The functional equivalence of demineralized bone and tooth matrices in ectopic bone induction (1993)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 27 (1993), S. 239-245 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: The objective of this study was to determine whether demineralized rat incisor matrices were a more potent inducer of ectopic endochondral bone formation than demineralized diaphyseal bone matrices derived from the same donors. Twenty-five-milligram disks of demineralized bone or tooth matrix obtained from adolescent Long-Evans rats were implanted in a standardized ectopic site. Biochemical and histometric measurements of bone formation revealed that the two matrices were functionally equivalent inducers of endochondral bone formation. The induced pellicle of bone reached a maturation point 18 days after implantation. Dentin matrix implants generated a significantly greater amount of mineralized tissue than did bone matrix implants. This difference could be explained on the basis of remineralization of the dentin particles to a greater degree than the bone matrix particles. Initial observations suggesting a more robust osteoinductive activity in demineralized incisor matrix can be attributed to the decreasing activity of bone matrix from older donors when compared to younger donors. The extent of osteoinduction by the two substrata was equivalent when the matrices were matched for age. © 1993 John Wiley & Sons, Inc.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820270214
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    Paper (German National Licenses)
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