当前位置： SCI文献检索 > JOURNAL OF CELLULAR BIOCHEMISTRY期刊下所有文献 > 4-Deoxyraputindole C induces cell death and cell cycle arrest in tumor cell lines.

4-Deoxyraputindole C induces cell death and cell cycle arrest in tumor cell lines.

Abstract：

:Several molecules extracted from natural products exhibit different biological activities, such as ion channel modulation, activation of signaling pathways, and anti-inflammatory or antitumor activity. In this study, we tested the antitumor ability of natural compounds extracted from the Raputia praetermissa plant. Among the compounds tested, an alkaloid, here called compound S4 (4-Deoxyraputindole C), showed antitumor effects against human tumor lineages. Compound S4 was the most active against Raji, a lymphoma lineage, promoting cell death with characteristics that including membrane permeabilization, dissipation of the mitochondrial potential, increased superoxide production, and lysosomal membrane permeabilization. The use of cell death inhibitors such as Z-VAD-FMK (caspase inhibitor), necrostatin-1 (receptor-interacting serine/threonine-protein kinase 1 inhibitor), E-64 (cysteine peptidases inhibitor), and N-acetyl- L-cysteine (antioxidant) did not decrease compound S4-dependent cell death. Additionally, we tested the effect of cellular activity on adherent human tumor cells. The highest reduction of cellular activity was observed in A549 cells, a lung carcinoma lineage. In this lineage, the effect on the reduction of the cellular activity was due to cell cycle arrest, without plasma membrane permeabilization, loss of the mitochondrial potential or lysosomal membrane permeabilization. Compound S4 was able to inhibit cathepsin B and L by a nonlinear competitive (negative co-operativity) and simple-linear competitive inhibitions, respectively. The potency of inhibition was higher against cathepsin L. Compound S4 promoted cell cycle arrest at G 0 and G 2 phase, and increase the expression of p16 and p21 proteins. In conclusion, compound S4 is an interesting molecule against cancer, promoting cell death in the human lymphoma lineage Raji and cell cycle arrest in the human lung carcinoma lineage A549.

journal_name

J Cell Biochem

journal_title

Journal of cellular biochemistry

authors

Vital WD,Torquato HFV,Jesus LOP,Judice WAS,Silva MFDGFD,Rodrigues T,Justo GZ,Veiga TAM,Paredes-Gamero EJ

doi

10.1002/jcb.28238

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

9608-9623

issue

eissn

0730-2312

issn

1097-4644

journal_volume

120

pub_type

杂志文章

在线工具

4-Deoxyraputindole C induces cell death and cell cycle arrest in tumor cell lines.