当前位置： SCI文献检索 > JOURNAL OF INORGANIC BIOCHEMISTRY期刊下所有文献 > Synergistic and additive antiproliferative effects on human leukemia cell lines induced by combining acetylenehexacarbonyldicobalt complexes with the tyrosine kinase inhibitor imatinib.

Synergistic and additive antiproliferative effects on human leukemia cell lines induced by combining acetylenehexacarbonyldicobalt complexes with the tyrosine kinase inhibitor imatinib.

Abstract：

:The tyrosine kinase inhibitor imatinib is successfully used in the treatment of chronic myeloid leukemia, but the occurrence of resistance phenomena can significantly limit therapeutic impact. Imatinib shows synergistic effects with cisplatin, suggesting that the coadministration of different cytostatics might reestablish the efficacy of treatment. We recently demonstrated that cobalt alkyne (or acetylenehexacarbonyldicobalt) complexes induce antiproliferative activity in human leukemia and lymphoma cells. The present study evaluates the effects of cobalt alkyne compounds containing propargylic acid esters on human acute (HL-60) and chronic myeloid (LAMA-84 and CML-T1) leukemia cell lines. The cell growth inhibitory activities (IC(50) values of 9.5 microM and higher) and induction of apoptosis (maximum 5.5-fold increase of single-stranded DNA at a drug concentration of 50 microM) achieved with the single agents were moderate. Interestingly, suboptimal concentrations of the cobalt complexes (10 microM) together with imatinib (0.1 microM), when coadministered, showed an additive or synergistic effect on cellular proliferation inhibition. The most promising results were obtained with complexes containing ligands derived from the nonsteroidal antiinflammatory drugs acetylsalicylic acid and naproxene.

journal_name

J Inorg Biochem

journal_title

Journal of inorganic biochemistry

authors

Ott I,Abraham A,Schumacher P,Shorafa H,Gastl G,Gust R,Kircher B

doi

10.1016/j.jinorgbio.2006.06.013

subject

Has Abstract

pub_date

2006-11-01 00:00:00

pages

1903-6

issue

11

eissn

0162-0134

issn

1873-3344

pii

S0162-0134(06)00193-0

journal_volume

100

pub_type

杂志文章

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