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Journals and Conferences
A strain of Streptomyces griseofuscus S42227 (FERM P-8443) was found to produce new antitumor antibiotics, called azinomycins A and B. The molecular formulas of azinomycins A and B were determined as C30H33N3O10 and C31H33N3O11, respectively. They were active against Gram-positive bacteria, Gram-negative bacteria and L5178Y cells in tissue culture.
A strain of streptomycete was found to produce a new antibiotic pyrroxamycin. This compound was isolated from the culture broth of Streptomyces sp. S46506. The chemical structure was determined to be 4,5-dichloro-2-(6',8'-dichloro-4'H-1',3'-benzodioxin-4'-yl)-3-nitr opyrrole by its chemical character and 1H and 13C NMR spectral analysis. Pyrroxamycin was… (More)
The structure of physiologically active substances, actinopyrones A, B and C, produced by Streptomyces pactum S12538 were determined on the basis of their spectral and chemical character. These substances were structurally related to piericidin A1.
A 58-year-old man was admitted to our hospital because of chest pain. Electrocardiogram showed giant negative T waves in leads I, II, III, aVl, aVf and V2 through V6. Echocardiogram showed anterior wall motion abnormality. Rest-redistribution thallium scan obtained 3 days after admission revealed reverse redistribution in antero-apical area. Coronary… (More)
A strain of Streptomyces was found to produce new physiologically active substances. The active compounds were purified and separated into three substances named actinopyrones A, B and C. Actinopyrones exhibited coronary vasodilating activities in anesthetized dogs and weakly antimicrobial activities against some Gram-positive bacteria and dermatophytes.
A case of Marfan's syndrome associated with thoracoabdominal aortic aneurysm and mitral regurgitation in a 29 year old male is reported herein. The aneurysm was replaced with a Y-shaped graft using Crawford's technique, while the major branches of the abdominal aorta were separately cannulated from inside the aneurysm and perfusedvia partial extracorporeal… (More)