ECB-ART-40793
Bioorg Med Chem Lett
2008 Aug 15;1816:4633-7. doi: 10.1016/j.bmcl.2008.07.017.
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A novel peptide from alpha5 helix of Asterina pectinifera cyclin B conjugated to HIV-Tat(49-57) with cytotoxic and apoptotic effects against human cancer cells.
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A series of novel peptides from various motifs of Asterina pectinifera cyclin B and their derivatives conjugated to HIV-Tat(49-57) 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 G(2)/M phase and make them apoptotic. Our results suggested that Tat-a5 could be a novel leading peptide with anticancer activity.
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Genes referenced: LOC100893907 LOC115919910 tat