Differences in induction of p53, p21WAF1 and apoptosis in relation to cell cycle phase of MCF-7 cells treated with camptothecin.

A Deptala, X Li, E Bedner… - International …, 1999 - spandidos-publications.com
Abstract The DNA topoisomerase I (topI) inhibitor camptothecin (CPT), stabilizes so-called
cleavable complexes which consist of topI covalently attached to 3'OH ends of DNA nicks …

Gene expression during camptothecin-induced apoptosis in human myeloid leukemia cell line ML-2.

V Ullmannova, C Haskovec - Neoplasma, 2004 - europepmc.org
Malignant cell proliferation and accumulation depends on the balance between the rates of
cell production and cell death. Recent evidence indicates that apoptosis is important in the …

Pentoxifylline stimulates drug-induced apoptosis in leukemic cells.

P Rauko, J Sedlak, J Duraj, MF Szekeres, L Novotný - Neoplasma, 1998 - europepmc.org
Camptothecin (CAM) and cisplatin (cis-diamminedichloroplatinum (II), cis-Pt) were used as
inducers of apoptosis in the mouse leukemic L1210 cells. Relatively high concentrations of …

Role of wild-type p53 in the enhancement of camptothecin cytotoxicity against human prostate tumor cells.

IN Arah, K Song, P Seth, KH Cowan… - Anticancer research, 1998 - europepmc.org
The role of wild-type human p53 protein in enhancing camptothecin cytotoxicity was
examined by infecting human prostate PC3 cells with adenovirus expressing human wild …

Inactivation of p53 increases the cytotoxicity of camptothecin in human colon HCT116 and breast MCF-7 cancer cells.

M Gupta, S Fan, Q Zhan, KW Kohn, PM O'Connor… - Clinical cancer research …, 1997 - AACR
Camptothecin (CPT) derivatives are topoisomerase I (top1) inhibitors recently introduced as
clinical agents. To explore the role of p53 in CPT-induced cytotoxicity, we examined CPT …

Induction of p53-dependent and p53-independent cellular responses by topoisomerase 1 inhibitors

AC McDonald, R Brown - British journal of cancer, 1998 - nature.com
We have previously shown that loss of p53 function in A2780 human ovarian
adenocarcinoma cells confers increased clonogenic resistance to several DNA-damaging …

Replication-dependent and-independent camptothecin cytotoxicity of seven human colon tumor cell lines.

AE Borovitskaya, P D'Arpa - Oncology research, 1998 - europepmc.org
Anticancer inhibitors of topoisomerase I (TOP1, EC 5.99. 1.2) cause the reversible
stabilization of the TOP1-DNA covalent complex (cleavable complex). The cleavable …

Upregulation of p21WAF1/CIP1 in human breast cancer cell lines MCF-7 and MDA-MB-468 undergoing apoptosis induced by natural product anticancer drugs 10 …

W Liu, R Zhang - International journal of oncology, 1998 - spandidos-publications.com
Recently, natural product DNA topoisomerase I inhibitors 10-hydroxycamptothecin (HCPT)
and camptothecin (CPT) have been shown to have therapeutic effects in both in vitro and in …

p53 protein accumulation in addition to the transactivation activity is required for p53-dependent cell cycle arrest after treatment of cells with camptothecin

V Jaks, A Jõers, A Kristjuhan, T Maimets - Oncogene, 2001 - nature.com
In this study we characterize the connections between p53-dependent G1 cell cycle arrest,
transcriptional activation of the protein and the increase of its intracellular steady-state …

[引用][C] The Cell Cycle Effects of Camptothecina

Z Darzynkiewicz, S Bruno, G Del Bino… - Annals of the New …, 1996 - Wiley Online Library
Uncontrolled cell proliferation is the most characteristic feature of cancer and the cell cycle,
in particular the phase of DNA replication, is the target of a large majority of successful …