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Antineoplastic mechanisms of niclosamide in acute myelogenous leukemia stem cells: inactivation of the NF-kappaB pathway and generation of reactive oxygen species.
NF-kappaB may be a potential therapeutic target for acute myelogenous leukemia (AML) because NF-kappaB activation is found in primitive human AML blast cells. In this report, we initially discovered… Expand
Identification of Niclosamide as a New Small-Molecule Inhibitor of the STAT3 Signaling Pathway.
Inhibition of the signal transducer and activator of transcription 3 (STAT3) signaling pathway has been considered a novel therapeutic strategy to treat human cancers with constitutively active… Expand
Angiogenesis inhibition in the in vivo antineoplastic effect of manumycin and paclitaxel against anaplastic thyroid carcinoma.
Our laboratory has investigated the anticancer effects of combined manumycin (a farnesyltransferase inhibitor) and paclitaxel (a microtubule inhibitor) against anaplastic thyroid carcinoma (ATC). In… Expand
Farnesyltransferase inhibitors induce DNA damage via reactive oxygen species in human cancer cells.
Farnesyltransferase inhibitors (FTIs) possess antitumor activity. Based on recent findings, we hypothesized that FTIs induce reactive oxygen species (ROS) that damage DNA, leading to DNA damage… Expand
Pristimerin induces apoptosis in imatinib-resistant chronic myelogenous leukemia cells harboring T315I mutation by blocking NF-κB signaling and depleting Bcr-Abl
BackgroundChronic myelogenous leukemia (CML) is characterized by the chimeric tyrosine kinase Bcr-Abl. Bcr-Abl-T315I is the notorious point mutation that causes resistance to imatinib and the second… Expand
Blocking EZH2 methylation transferase activity by GSK126 decreases stem cell-like myeloma cells
EZH2 is a critical epigenetic regulator that is deregulated in various types of cancers including multiple myeloma (MM). In the present study, we hypothesized that targeting EZH2 might induce… Expand
Triptolide Inhibits Bcr-Abl Transcription and Induces Apoptosis in STI571-resistant Chronic Myelogenous Leukemia Cells Harboring T315I Mutation
Purpose: Resistance to STI571 is an emerging problem for patients with chronic myelogenous leukemia (CML). Mutation in the kinase domain of Bcr-Abl is the predominant mechanism of the acquired… Expand
Celastrol, a novel HSP90 inhibitor, depletes Bcr-Abl and induces apoptosis in imatinib-resistant chronic myelogenous leukemia cells harboring T315I mutation.
T315I Bcr-Abl in chronic myelogenous leukemia (CML) is the most notorious point mutations to elicit acquired resistance to imatinib. In the present study, we investigated the effect of celastrol on… Expand
Ponatinib Induces Apoptosis in Imatinib-Resistant Human Mast Cells by Dephosphorylating Mutant D816V KIT and Silencing β-Catenin Signaling
Gain-of-function mutations of membrane receptor tyrosine kinase KIT, especially gatekeeper D816V point mutation in KIT, render kinase autoactivation, disease progression, and poor prognosis. D816V… Expand
Triptolide inhibits Jak2 transcription and induces apoptosis in human myeloproliferative disorder cells bearing Jak2V617F through caspase-3-mediated cleavage of Mcl-1.
The discovery of oncogene addiction in myeloproliferative disorders (MPDs) driven by the gain-of-function mutant Jak2V617F has attracted intense interest in targeted therapy for MPDs. In this report,… Expand