Abstract:
:Nucleoside analogs are important components of treatment regimens for acute leukemia in adults. Plasma membrane permeation of the nucleoside analog molecules, the initial event in the cellular conversion of nucleosides to active agents, is mediated by nucleoside-specific membrane transporters. The widely-expressed es nucleoside transporter accepts as substrates diverse nucleoside analogs, including cytarabine (araC), 2-chlorodeoxyadenosine, and fludarabine. The cellular content of es transporter sites has been measured in blasts from patients with acute lymphoblastic leukemia and acute myelogenous leukemia, by a sensitive, quantitative flow cytometry assay that employs the tightly-bound es ligand, SAENTA fluorescein. Values for es transporter expression varied ten-fold among samples from patients with acute myelogenous leukemia. In this article, we review current findings that document, in confocal fluorescence microscopy images and in flow cytometry assays of SAENTA fluorescein-stained cells, the patient-to-patient variance of es transporter expression in leukemic blasts from patients. Our data show a correlation between the expression of es transporters and the in vitro sensitivity to nucleoside drugs of blasts from acute leukemia patients. These findings show that the flow cytometry assay of es expression provides a facile means of predicting resistance of leukemia cells to the cytotoxicity of araC and other nucleosides.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Gati WP,Paterson AR,Belch AR,Chlumecky V,Larratt LM,Mant MJ,Turner ARdoi
10.3109/10428199809059245keywords:
subject
Has Abstractpub_date
1998-12-01 00:00:00pages
45-54issue
1-2eissn
1042-8194issn
1029-2403journal_volume
32pub_type
杂志文章,评审abstract::Inhibiting the activity of Bruton tyrosine kinase (BTK) prevents the activation of the B-cell receptor (BCR) signaling pathway, which in turn prevents both B-cell activation and BTK-mediated activation of downstream survival pathways. Acalabrutinib is an orally available, highly selective, next-generation inhibitor of...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
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abstract::B-lineage acute lymphoblastic leukemia (B-ALL) in the elderly population is generally considered to have a poor prognosis. It is unclear whether their survival has improved in the current era. Using the Surveillance, Epidemiology, and End Results database, we selected 717 elderly patients (age≥60) with B-ALL diagnosed...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Chronic myeloid leukemia (CML) results from the Philadelphia chromosome (Ph) translocation and expression of its fusion oncoprotein BCR-ABL1. BCR-ABL1 tyrosine kinase inhibitors (TKIs) are the standard therapy for Ph-positive CML. Achievement of deep molecular responses (typically defined as ≥4-log reduction in BCR-AB...
journal_title:Leukemia & lymphoma
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abstract::Long-term survivors of childhood leukemia are at risk for neurocognitive impairment, although the neurophysiological basis is not well understood. The purpose of this study was to explore associations between changes in cerebrospinal fluid (CSF) phospholipids and neurocognitive function in children undergoing chemothe...
journal_title:Leukemia & lymphoma
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abstract::We have studied the effect of dimethyl-sulfoxide(DMSO)-induced granulocytic differentiation on the sensitivity of HL-60 cells to various cytotoxic topoisomerase II inhibitors: (i) undifferentiated HL-60 cells are highly sensitive to etoposide, while differentiated HL-60 cells are 700-1000 fold resistant to etoposide, ...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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doi:10.3109/10428199609052426
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abstract::Ponatinib is a pan-tyrosine kinase inhibitor (TKI) with efficacy in multirefractory CML patients who have failed other TKIs. Despite excellent response rates, resistance or intolerance may develop. We conducted a retrospective review of the outcome of patients with chronic (CP) and accelerated (AP) phase CML refractor...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.1080/10428194.2017.1379076
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abstract::The proliferation index in mantle cell lymphoma (MCL) has not been validated in the context of aggressive therapy regimens in the rituximab era. We assessed Ki67 and PIM1 (a cell cycle-related gene upregulated in blastoid MCL) expression by immunohistochemistry in a phase II study Cancer and Leukemia Group B 59909 of ...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 临床试验,杂志文章
doi:10.3109/10428199509054760
更新日期:1995-12-01 00:00:00
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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doi:10.1080/1042819021000016168
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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更新日期:1998-11-01 00:00:00
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journal_title:Leukemia & lymphoma
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