A novel 2,3-benzodiazepine-4-one derivative AMPA antagonist inhibits G2/M transition and induces apoptosis in human leukemia Jurkat T cell line.

Abstract:

:It has been shown that the antagonism of glutamate receptors activity was able inhibit proliferation and induce apoptosis in several neuronal and non-neuronal cancer cell lines. In addition, it has been shown that glutamate might facilitate the spread and growth of leukemia T cells through interactions with AMPA receptors. The aim of the present study was to investigate the modulation of cell cycle elicited by a novel 2,3-benzodiazepine-4-one non-competitive AMPA antagonist derivative in the human leukemia Jurkat T cells. Our results indicated that the 1-(4-amino-3,5-dimethylphenyl)-3,5-dihydro-7,8-ethylenedioxy-4h-2,3-benzodiazepin-4-one, named 1g, exerted a significant growth inhibition of leukemia Jurkat T cells in a time and dose dependent manner, arresting the transition of G2/M phase through activation of Myt-1. The molecule also induced apoptosis through the enhanced expression of the pro-apoptotic p53, and the inhibition of Bcl-2, and Bcl-xl, followed by the activation of caspase-3. The results suggested that compound 1g might act mostly as a cytostatic rather than cytotoxic compound. Although further studies are necessary, in order to identify others specific pathways involved in the activity of the present molecule, the presented results identified a novel molecule acting on specific G2/M checkpoint regulation pathway. Finally, our data suggest that compound 1g might be a good molecule for future development in the cancer research.

journal_name

Life Sci

journal_title

Life sciences

authors

Parenti S,Casagrande G,Montanari M,Espahbodinia M,Ettari R,Grande A,Corsi L

doi

10.1016/j.lfs.2016.03.051

subject

Has Abstract

pub_date

2016-05-01 00:00:00

pages

117-25

eissn

0024-3205

issn

1879-0631

pii

S0024-3205(16)30199-0

journal_volume

152

pub_type

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