Date: 26 November 2013
Secondary metabolites, 3D structure: Trivial name – fumigaclavine A
Copyright: n/a
Notes:
Species: A. fumigatus, A. tamariiSystematic name: Ergolin-9-ol, 6,8-dimethyl-, acetate (ester), (8-alpha,9-beta)-Molecular formulae: C18 H22 N2 O2Molecular weight: 298.38Chemical abstracts number: 6879-59-0Selected references: COLE RJ, KIRKSEY JW, DORNER JW, WILSON DM, JOHNSON J C JR’ JOHNSON AN, BEDELL DM, SPRINGER JP, CHEXAL KK, ET AL. J AGRIC FOOD CHEM; 25 (4). 1977 826-830Toxicity: The LD50 of fumigaclavine C was about 150 mg/kg oral dose in day-old cockerels. Calves dosed with crude extracts of A. fumigatus cultures experienced severe diarrhea, irritability and loss of appetite. Postmortem examination showed serous enteritis and evidence of interstitial changes in the lungs; abnormal changes were not found in other tissues.
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Patient with chronic productive cough, chest pain and ABPA, unable to take itraconazole or nebulised amphotericin B. Smokes at least 40 roll up cigarettes a day.
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VL-2397 (formerly known as ASP2397) is a novel antifungal drug initially developed by our partner, Astellas Pharma. This drug was isolated from a leaf litter fungus Acremonium species collected in a Malaysian national park. Astellas presented two posters at the 2014 ICAAC meeting which described the in vitro and the in vivo antifungal activities of this drug. The differentiating attributes from the preclinical data of VL-2397 include:
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SCY-078, new orally available beta-1,3-d-glucan synthase inhibitor, Formely MK-3118.
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