Secondary metabolites, 3D structure: Trivial name – paraherquamide

Date: 26 November 2013

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Secondary metabolites, 3D structure: Trivial name – paraherquamide

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Notes:

Species: A. silvaticusSystematic name: Spiro[4H,8H-[1,4]dioxepino[2,3-g]indole-8,7′(8’H)-[5H,6H-5a,9a](iminomethano)[1H]cyclopent[f]indolizine]-9,10′(10H)-dione, 2′,3′,8’a,9′-tetrahydro-1′-hydroxy-1′,4,4,8′,8′,11′-hexamethyl-, (1’R,5’aS,7’R,8’aS,9’aR)-Molecular formulae: C28H35N3O5Molecular weight: 493Chemical abstracts number: 77392-58-6Selected references: Yamazaki, M.; Fujimoto, H.; Okuyama, E.; Ohta, Y. (Res. Inst. Chemobiodyn., Chiba Univ., Chiba 280, Japan). Maikotokishin (Tokyo), 10, 27-8 (Japanese) 1980.

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    Drug rashes: Drug interactions between steroids and anti-fungal drugs – (ecchymosis)

    Image A: Red skin rash on arms due to effect of inhaled steroids termed ecchymosis., Image B: Red skin rash on arms due to effect of inhaled steroids termed ecchymosis., Image C: Papular rash with blisters on the back, associated with CPA but prior to treatment, rash appeared 2 years previously in October 2007. The rash resolved on treatment with azoles., Image D: Papular rash with blisters on the back, associated with CPA but prior to treatment, rash appeared 2 years previously in October 2007. The rash resolved on treatment with azoles.

  • Facial erythema: Side effects of anti-fungal drugs – drug rashes

    Reference: Muco-cutaneous retinoid effects and facial erythema related to the novel triazole antifungal agent voriconazole. Denning, DW & Griffiths, CEM. Clin.Exp Dermatol 2001, 26(8), 648-53.
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    Patient AB: Voriconazole rash. Following 8 weeks of Voriconazole, patient had remarkable facial erythema, most consistent with sun exposure because of sparing of her neck., Patient AB: Voriconazole rash. Following 8 weeks of Voriconazole, patient had remarkable facial erythema, most consistent with sun exposure because of sparing of her neck., Patient AB: Discoid lupus erythematosus following 12 months voriconazole therapy. This improved with use of sunblock factor 30 and resolved after discontinuation of voriconazole, 2 months later.

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  • Aspergillus terreus

    Micrographs of A. terreus conidia & conidial heads provided by Amaliya Stepanova, , Head of Laboratory pathomorphology and cytology at Kashkin Research Institute, Russian Federation.

    A terreus aleurospore TEM in vitro (РКПГF-1275), A terreus mature conidium SEM in vitro (РКПГ-1275), A terreus mature conidial head SEM in vitro

  • Electron Microscopy: Aspergillus fumigatus

    Micrographs of A. fumigatus conidia & conidial heads provided by Amaliya Stepanova, , Head of Laboratory pathomorphology and cytology at Kashkin Research Institute, Russian Federation.

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    December 2012, May 2012, AW CT Dec 2012 2, February 2010

  • Ira F. Salkin 1941-2016

    Ira F. Salkin 1941-2016