n-(4-methoxybenzyl)-n--(5-nitro-1-3-thiazol-2-yl)urea and navitoclax

n-(4-methoxybenzyl)-n--(5-nitro-1-3-thiazol-2-yl)urea has been researched along with navitoclax* in 1 studies

Other Studies

1 other study(ies) available for n-(4-methoxybenzyl)-n--(5-nitro-1-3-thiazol-2-yl)urea and navitoclax

ArticleYear
GSK3β suppression inhibits MCL1 protein synthesis in human acute myeloid leukemia cells.
    Journal of cellular physiology, 2021, Volume: 236, Issue:1

    Previous studies have shown that glycogen synthase kinase 3β (GSK3β) suppression is a potential strategy for human acute myeloid leukemia (AML) therapy. However, the cytotoxic mechanism associated with GSK3β suppression remains unresolved. Thus, the underlying mechanism of N-(4-methoxybenzyl)-N'-(5-nitro-1,3-thiazol-2-yl)urea (AR-A014418)-elicited GSK3β suppression in the induction of AML U937 and HL-60 cell death was investigated in this study. Our study revealed that AR-A014418-induced MCL1 downregulation remarkably elicited apoptosis of U937 cells. Furthermore, the AR-A014418 treatment increased p38 MAPK phosphorylation and decreased the phosphorylated Akt and ERK levels. Activation of p38 MAPK subsequently evoked autophagic degradation of 4EBP1, while Akt inactivation suppressed mTOR-mediated 4EBP1 phosphorylation. Furthermore, AR-A014418-elicited ERK inactivation inhibited Mnk1-mediated eIF4E phosphorylation, which inhibited MCL1 mRNA translation in U937 cells. In contrast to GSK3α, GSK3β downregulation recapitulated the effect of AR-A014418 in U937 cells. Transfection of constitutively active GSK3β or cotransfection of constitutively activated MEK1 and Akt suppressed AR-A014418-induced MCL1 downregulation. Moreover, AR-A014418 sensitized U937 cells to ABT-263 (BCL2/BCL2L1 inhibitor) cytotoxicity owing to MCL1 suppression. Collectively, these results indicate that AR-A014418-induced GSK3β suppression inhibits ERK-Mnk1-eIF4E axis-modulated de novo MCL1 protein synthesis and thereby results in U937 cell apoptosis. Our findings also indicate a similar pathway underlying AR-A014418-induced death in human AML HL-60 cells.

    Topics: Aniline Compounds; Antineoplastic Agents; Apoptosis; Autophagy; Cell Line, Tumor; Cell Proliferation; Down-Regulation; Glycogen Synthase Kinase 3 beta; HL-60 Cells; Humans; Leukemia, Myeloid, Acute; MAP Kinase Signaling System; Myeloid Cell Leukemia Sequence 1 Protein; RNA, Messenger; Sulfonamides; Thiazoles; U937 Cells; Urea

2021