| 单词 | neocarzinostatin | 
| 释义 | neocarzinostatinn. Pharmacology.   A compound with antibiotic and antineoplastic properties, obtained from a strain of  Streptomyces bacteria (sometimes called  Streptomyces carzinostaticus), and consisting of a sulphur-containing apoprotein with a non-protein chromophore group that binds to and cleaves double-stranded DNA.The chromophore group of neocarzinostatin is an enediyne, containing a carbon-carbon double bond flanked by two carbon-carbon triple bonds. ΚΠ 1965    Jrnl. Antibiotics A. 18 223  				Neocarzinostatin is a new antibiotic from culture filtrate of Streptomyces carzinostaticus F-41. 1985    Cancer Res. 45 4224  				The antitumor antibiotic neocarzinostatin (NCS)..produces single-strand breaks in mammalian cell DNA in vivo. 1992    New Scientist 20 June 16/1  				Natural enediynes were first identified in 1985 by Kiyoto Edo... The first one, dubbed neocarzinostatin chromophore was extracted from neocarzinostatin, a polypeptide known to have anticancer activity. 1999    New Scientist 9 Jan. 19/1  				This is the main enzyme that repairs damage inflicted on cancer cells' DNA by bleomycin, cisplatin and neocarzinostatin, chemotherapy's ‘heavy guns’. This is a new entry (OED Third Edition, September 2003; most recently modified version published online March 2022). <  | 
	
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