Synthesis of Novel Analogues of 1α,25-Dihydroxyvitamin D 3 with Side Chains at C-18
✍ Scribed by Momán, Edelmiro; Nicoletti, Daniel; Mouriño, Antonio
- Book ID
- 119953027
- Publisher
- American Chemical Society
- Year
- 2004
- Tongue
- English
- Weight
- 222 KB
- Volume
- 69
- Category
- Article
- ISSN
- 0022-3263
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## Abstract An improved synthetic route to 1α,25‐dihydroxyvitamin D~3~ des‐side chain analogues **2 a** and **2 b** with substituents at C18 is reported, along with their biological activity. These analogues display significant antiproliferative effects toward MCF‐7 breast cancer cells and prodiffe
The nuclear hormone 1a,25-dihydroxyvitamin D 3 (1a,25(OH) 2 D 3 ) acts through the transcription factor vitamin D receptor (VDR) via combined contact with the retinoid X receptor (RXR), coactivator proteins, and speci®c DNA binding sites (VDREs). Ligand-mediated conformational changes of the VDR are