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- W1815917045 abstract "Anti-mitotic therapies have been considered a hallmark in strategies against abnormally proliferating cells. Focusing on the extensively studied family of thiosemicarbazone (TSC) compounds, we have previously identified 4,4'-dimethoxybenzophenone thiosemicarbazone (T44Bf) as a promising pharmacological compound in a panel of human leukemia cell lines (HL60, U937, KG1a and Jurkat). Present findings indicate that T44Bf-mediated antiproliferative effects are associated with a reversible chronic mitotic arrest caused by defects in chromosome alignment, followed by induced programmed cell death. Furthermore, T44Bf selectively induces apoptosis in leukemia cell lines when compared to normal peripheral blood mononuclear cells. The underlying mechanism of action involves the activation of the mitochondria signaling pathway, with loss of mitochondrial membrane potential and sustained phosphorylation of anti-apoptotic protein Bcl-xL as well as increased Bcl-2 (enhanced phosphorylated fraction) and pro-apoptotic protein Bad levels. In addition, ERK signaling pathway activation was found to be a requisite for T44Bf apoptotic activity. Our findings further describe a novel activity for a benzophenone thiosemicarbazone and propose T44Bf as a promising anti-mitotic prototype to develop chemotherapeutic agents to treat acute leukemia malignancies." @default.
- W1815917045 created "2016-06-24" @default.
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- W1815917045 date "2015-09-11" @default.
- W1815917045 modified "2023-10-17" @default.
- W1815917045 title "G2/M Cell Cycle Arrest and Tumor Selective Apoptosis of Acute Leukemia Cells by a Promising Benzophenone Thiosemicarbazone Compound" @default.
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- W1815917045 doi "https://doi.org/10.1371/journal.pone.0136878" @default.
- W1815917045 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4567328" @default.
- W1815917045 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/26360247" @default.
- W1815917045 hasPublicationYear "2015" @default.
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