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  • Digitale Medien  (2)
  • liver metastasis  (1)
  • molecular graphics  (1)
  • 1
    ISSN: 1573-7276
    Schlagwort(e): B16 melanoma ; c-met ; HGF/SF ; liver metastasis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Metastasis to the liver is a frequent event in clinical oncology, the molecular mechanisms of which are not fully understood. We have recently reported a consistent overexpression of c-met in B16 melanoma cells selected in vivo for enhanced liver metastatic ability. In this study we address the question as to whether constitutive activation of c-met is a necessary and sufficient condition for enhanced liver colonization B16 melanoma cells. Different levels of c-met expression and/or activation in B16 cells were achieved subcloning, or by c-DNA transfection with either HGF/SF or the oncogenic form of c-met (tpr-met). Metastatic ability of the different populations was then evaluated in vivo by the lung colonization (experimental metastasis) assay. Results indicate that c-met (but not tpr-met) activation in B16 melanoma cells may increase their liver colonizing potential, probably by enhancing motility and invasion in response paracrine interactions with its ligand. C-met expres sion per se, however, is not able to change the organ specificity of the cells. C-met activation appears instead to be required at later stages of liver colonization by B16 melanoma cells, in order to enhance their site-specific metastatic ability. © Rapid Science 1998
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    New York, NY : Wiley-Blackwell
    Proteins: Structure, Function, and Genetics 18 (1994), S. 94-101 
    ISSN: 0887-3585
    Schlagwort(e): surface representation ; molecular recognition ; protein docking ; surface triangulation ; molecular graphics ; molecular visualization ; Chemistry ; Biochemistry and Biotechnology
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Medizin
    Notizen: We have defined a molecular surface representation that describes precisely and concisely the complete molecular surface. The representation consists of a limited number of critical points disposed at key locations over the surface. These points adequately represent the shape and the important characteristics of the surface, despite the fact that they are modest in number. We expect the representation to be useful in areas such as molecular recognition and visualization. In particular, using this representation, we are able to achieve accurate and efficient protein-protein and protein-small molecule docking. © 1994 John Wiley & Sons, Inc.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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