| Catalogue number | C107923 |
| Chemical name | Daucosterol |
| CAS Number | 474-58-8 |
| Synonyms | (2R,3R,4S,5S,6R)-2-[[(8S,9S,10R,13R,14S)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-6-(hydroxymethyl)oxane-3,4,5-triol |
| Molecular Weight | C35H60O6 |
| Formula | 576.9 |
| Purity | 98% |
| Physical Description | Powder |
| Solvent | Chloroform, Dichloromethane,DMSO |
| Storage | Stored at 2-8°C, Protected from air and light, refrigerate or freeze |
| Applications | We investigated immunomodulatory effect of daucosterol against disseminated candidiasis caused by Candida albicans. Results showed that direct interaction of daucosterol with C. albicans yeast cells resulted in no growth-inhibition by in vitro susceptibility analysis. In contrast, mice given daucosterol (DS) intraperitoneally before intravenous challenge with live C. albicans yeast cells survived longer than DS-untreated control mice against disseminated candidiasis (P<0.05). By assessment of the fungal CFU in kidneys, DS-treated mice before the challenge developed about 81% fewer kidney CFU than untreated controls. This protection was removable by pretreatment of mice with anti-CD4+ antibody before the DS-treatment and challenge with the yeast. ELISA analysis revealed there were predominant production of IFNgamma and IL-2 cytokines as compared to IL-4, and IL-10 productions in DS-treated mice. By treatment of DS-given mice with anti-mouse IFNgamma, the protection was also abolished. Our studies show that DS protects mice against disseminated candidiasis by the CD4+ Th1 immune response. |
| References | 1. Chemistry of Natural Compounds, 1966, 2(1), 26-27. 2. Vaccine., 2007, 25(19), 3834-3840. |
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