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| Titel: |
Julibroside J8-induced HeLa cell apoptosis through caspase pathway |
| Auteur: |
Zheng, L. Zheng, J. Wu, L. -J. Zhao, Y. -Y. |
| Verschenen in: |
Journal of Asian natural products research |
| Paginering: | Jaargang 8 (2006) nr. 5 pagina's 457-465 |
| Jaar: |
2006-07 |
| Inhoud: |
The julibroside J8 was isolated from the Albizia julibrissin and evaluated for antiproliferatived on six cancer cell lines (BGC-823, Bel-7402, HeLa, PC-3MIE8, MDA-MB-435 and LH-60) in vitro. Julibroside J8 at 100 μg mL- 1 (46.08 μmol·L- 1) significantly inhibited growth in the first three cell lines. In addition, in HeLa cells typical apoptotic changes in morphology were observed, and further, nuclear damage was observed by Giemsa staining and DNA fragmentation was exhibited. Effects of julibroside J8 on induction of DNA fragmentation, caspase-3 activation and downregulation of ICAD expression were effectively inhibited by a caspase-3 inhibitor, z-DEVD-fmk. In addition, apoptosis induced with julibroside J8 was associated with an increase in expression of the apoptosis inducer Bax, and a significant reduction in expression of the apoptosis suppressor Bcl-2 in mitochondria. These results suggest that julibroside J8 induces HeLa death through caspase pathway. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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