DELAMINOMYCINS, NOVEL NONPEPTIDE EXTRACELLULAR-MATRIX RECEPTOR ANTAGONIST AND A NEW CLASS OF POTENT IMMUNOMODULATOR .1. TAXONOMY, FERMENTATION, ISOLATION AND BIOLOGICAL-ACTIVITY

被引:15
作者
UENO, M
AMEMIYA, M
IIJIMA, M
OSONO, M
MASUDA, T
KINOSHITA, N
IKEDA, T
IINUMA, H
HAMADA, M
ISHIZUKA, M
TAKEUCHI, T
机构
[1] MICROBIAL CHEM RES FDN,INST CHEMOTHERAPY,18-24 AZA MOTONO,NUMAZU,SHIZUOKA 41003,JAPAN
[2] MICROBIAL CHEM RES FDN,INST MICROBIAL CHEM,SHINAGAWA KU,TOKYO 141,JAPAN
关键词
D O I
10.7164/antibiotics.46.719
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
In order to develop a new class of immunomodulator we have searched for a low molecular weight inhibitors of cell adhesion to components of extracellular matrix (ECM), fibronectin (FN), laminin (LM) and collagen type IV (CL), and succeeded to find a group of novel antibiotics, named delaminomycins. Delaminomycins were isolated from the mycelium and cultured broth of Streptomyces albulus MJ202-72F3. It was purified by use of centrifugal partition chromatography (CPC), preparative reverse phase HPLC and Sephadex LH-20 and was obtained as a white powder. Delaminomycins with inhibitory activity for cell adhesion to ECM components suppressed immune responses in vitro and in vivo and exhibited antimicrobial activity on Gram-positive bacteria.
引用
收藏
页码:719 / 727
页数:9
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