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A novel peptide from α5 helix of Asterina pectinifera cyclin B conjugated to HIV-Tat49–57 with cytotoxic and apoptotic effects against human cancer cells

Authors :
Lou, Huiping
Gao, Yanfeng
Zhai, Mingxia
Qi, Yuanming
Chen, Lixiang
Lv, Hong
Yu, Jibing
Li, Yongxin
Source :
Bioorganic & Medicinal Chemistry Letters. Aug2008, Vol. 18 Issue 16, p4633-4637. 5p.
Publication Year :
2008

Abstract

Abstract: A series of novel peptides from various motifs of Asterina pectinifera cyclin B and their derivatives conjugated to HIV-Tat49–57 were designed and synthesized. Their bioactivities on two human cancer cell lines were determined. Among them, Tat-a5 (KAQIRAMECNILGRKKRRQRRR) exhibited significant cytotoxic effects on cancer cell lines EC-9706 and HCT-116. Tat-a5 could arrest cancer cells at G2/M phase and make them apoptotic. Our results suggested that Tat-a5 could be a novel leading peptide with anticancer activity. [Copyright &y& Elsevier]

Details

Language :
English
ISSN :
0960894X
Volume :
18
Issue :
16
Database :
Academic Search Index
Journal :
Bioorganic & Medicinal Chemistry Letters
Publication Type :
Academic Journal
Accession number :
33630147
Full Text :
https://doi.org/10.1016/j.bmcl.2008.07.017