Melatonin Can Modulate the Effect of Navitoclax (ABT-737) in HL-60 Cells

Antioxidants
Alexey LomovskyOlga Krestinina

Abstract

Melatonin (N-acetyl-5-methoxytryptamine MEL) is an indolamine that has antioxidant, anti-inflammatory and anti-tumor properties. Moreover, MEL is capable of exhibiting both anti-apoptotic and pro-apoptotic effects. In the normal cells, MEL possesses antioxidant property and has an anti-apoptotic effect, while in the cancer cells it has pro-apoptotic action. We investigated the combined effect of MEL and navitoclax (ABT-737), which promotes cell death, on the activation of proliferation in acute promyelocytic leukemia on a cell model HL-60. The combined effect of these compounds leads to a reduction of the index of mitotic activity. The alterations in the level of anti- and pro-apoptotic proteins such as BclxL, Bclw, Mcl-1, and BAX, membrane potential, Ca2+ retention capacity, and ROS production under the combined action of MEL and ABT-737 were performed. We obtained that MEL in combination with ABT-737 decreased Ca2+ capacity, dropped membrane potential, increased ROS production, suppressed the expression of anti-apoptotic proteins such as BclxL, Bclw, and Mcl-1, and enhanced the expression of pro-apoptotic BAX. Since, MEL modulates autophagy and endoplasmic reticulum (ER) stress in cancer cells, the combined effect of MEL and ...Continue Reading

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Citations

May 1, 2021·Journal of Personalized Medicine·Yulia BaburinaOlga Krestinina
Jul 9, 2021·Apoptosis : an International Journal on Programmed Cell Death·Xiaofeng DaiJianying Zhang
Aug 7, 2021·Hormone Molecular Biology and Clinical Investigation·Ming Guan NgSoi Moi Chye

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BETA
protein folding

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Image Lab

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