A water-soluble nitrosourea, 3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-1-(2-chloroethyl)-1-nitrosourea hydrochloride (ACNU, NSC-245382), was tested for its antitumor activity against some kinds of transplantable mouse tumors. The compound was markedly active against myeloid leukemia C1498, plasmacytoma X5563, Ehrlich ascites carcinoma, and mammary tumor FM3A43, and moderately active against ma...

A polysaccharide-rich substance isolated from black currant, named cassis polysaccharide (CAPS), was partially digested with beta-galactosidase from Aspergillus oryzae and its immunostimulatory activity was investigated. The in vitro cytokine-inducing effect of CAPS on RAW264 cells was gradually decreased along with lowering of the average MW of CAPS. In vivo, partially digested CAPS with a mea...

Scorodonin (1), a novel biologically active metabolite, was isolated from submerged cultures of the mushroom Marasmius scorodonius (FR.) FR. Its structure has been determined by chemical and physical methods. The antibiotic inhibits the growth of bacteria, yeasts, and filamentous fungi. In cells of the ascitic form of EHRLICH carcinoma the incorporation of thymidine and uridine into DNA and RNA...

notable activity against mouse sarcoma 180, adenocarcinoma 755, and leukemia L12l0 (14). In fact, DIC compares quite favorably with existing clinically useful agents such as cyclo phosphamide and 6-mercaptopurine against the solid form of mouse Ehrlich carcinoma (5). For these reasons DIC is cur rently under clinical trial at several research centers. Concur rent pharmacologic investigations of...

One hundred and eight derivatives of mycophenolic acid (MA) have been prepared by modifications at the phenolic hydroxyl and/or carboxyl sites. None of these compounds was as effective as MA in suppressing cell growth of L-518Y cell in vitro, whereas several compounds with changes at both the hydroxyl and carboxyl groups were more effective than MA against Ehrlich solid carcinoma and L-1210 leu...