alexa Novel piperazine induces apoptosis in U937 cells.
Pharmaceutical Sciences

Pharmaceutical Sciences

Pharmaceutica Analytica Acta

Author(s): Sampson JJ rd, Donkor IO, Huang TL, Adunyah SE

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Abstract The effect of 1,4-bis-(4-(1H-benzo[d]imidazol-2-yl-phenyl)) piperazine (BIPP), a newly synthesized piperazine derivative, on U937 leukemia cell viability was investigated. We show that BIPP induces dose-responsive apoptotic cell death in U937 cells by intrinsic mechanisms of apoptosis. Maximum apoptotic effect of BIPP on U937 cells was observed at 12.8μM. BIPP-induced apoptosis was evident by characteristics such as altered annexin-V binding, caspase activation, loss of mitochondrial membrane potential (MMP) and cytochrome c release. BIPP also differentially activates initiator and effector caspases combined with the loss of MMP strongly suggesting that BIPP causes an intrinsic apoptosis in U937 leukemia cells. Due to our observations that BIPP induces leukemia cell death without significantly affecting normal cells, our data suggests that it may be a potential therapeutic agent for human myeloid leukemia.
This article was published in Int J Biochem Mol Biol and referenced in Pharmaceutica Analytica Acta

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