期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 56, 期 10, 页码 3878-3888出版社
AMER CHEMICAL SOC
DOI: 10.1021/jm400032t
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资金
- NIH [R01 CA127645]
- NIEHS [P30 ES005022]
- Board of Trustees Fellowship for Scholarly Excellence at Rutgers University
Changing the geminal methyl groups on 1 alpha,25-dihydroxyvitamin D-3 and its analogues to the deuterio versions generally improves the bioactivity. Derivatives of 1 alpha,25-dihydroxyvitamin D-3 with two chains emanating at C20, commonly referred to as gemini, are subject to the same phenomenon. Additionally, gemini with different side chains are susceptible to bioactivity differentials where the C17-C20 threo configuration usually imparts higher activity than the corresponding erythro arrangement. In an effort to analyze the deuterium effect on gemini with minimal diastereotopic distortion, we synthesized gemini with equal side chains but introduced deuterium diastereospecifically on either chain. We solved the crystal structures of these compounds in the zebra fish zVDR ligand binding domain as complexes with NCoA-2 coactivator peptide and correlated the findings with growth inhibition in a breast cancer cell line.
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