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| Título: | CD-ring modified vitamin D3 analogs and their superagonistic action |
Autor: | Eelen, Guy; Muñoz Terol, Alberto CSIC ORCID; Verstuyf, Annemieke | Fecha de publicación: | 2010 | Editor: | Elsevier | Citación: | Journal of Steroid Biochemistry and Molecular Biology 121(1-2): 417-419 (2010) | Resumen: | Non-steroidal analogs of 1,25-dihydroxyvitamin D3 [1,25(OH)2D3] represent a most particular class of analogs because they are either not directly derived from the core 1,25(OH)2D3-structure or they have modifications in the core structure that are so drastic that the steroidal structure is lost. Non-steroidal CD-ring analogs of 1,25(OH)2D3 have been developed to study the role of the central rigid CD-ring system in the biological activity of 1,25(OH)2D3. Here we review the different classes of CD-ring analogs and highlight some representative analogs such as the fluorinated D-ring analogs CD578, WU515 and WY1113 which show markedly increased differentiating activity on human SW480-ADH colon cancer cells, characterized by a stronger induction of the invasion suppressor E-cadherin and a stronger repression of the beta-catenin/TCF target oncogene c-Myc. Correspondingly, CD578, WU515 and WY1113 are more potent inhibitors of beta-catenin/TCF signaling than 1,25(OH)2D3 and induce stronger VDR-coactivator interactions. Underlying the increased biological potency of analog CD578 are additional contacts between the side chain fluorine atoms of the analog with specific residues of helix 12 (H12) of the Vitamin D Receptor (VDR) and subsequent stronger VDR-coactivator interactions. | Descripción: | El pdf del artículo es la versión de autor.-- Trabajo presentado al 14th Vitamin D Workshop.-- et al. | Versión del editor: | http://dx.doi.org/10.1016/j.jsbmb.2010.01.010 | URI: | http://hdl.handle.net/10261/76525 | DOI: | 10.1016/j.jsbmb.2010.01.010 | Identificadores: | doi: 10.1016/j.jsbmb.2010.01.010 issn: 0960-0760 e-issn: 1879-1220 |
| Aparece en las colecciones: | (IIBM) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| CD-RING.pdf | 168,28 kB | Adobe PDF |  Visualizar/Abrir |
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