RRC ID 38636
Author Shionoya S.
Title Etoposide inhibition of methylaminoisobutyric acid transport and its recovery in K562 cells.
Journal Leuk Res
Abstract Sodium-dependent amino acid transport of methylaminoisobutyric acid (MeAIB) in a human myelogenous leukemic cell line K562 was inhibited by 30 nM etoposide (VP-16). Cell growth in suspension was almost completely suppressed by 30 nM VP-16 after 72 h. Colony formation by K562 cells markedly decreased after 24 h in a culture medium containing 30 nM VP-16, whereas MeAIB transport was inhibited after 72 h. K562 cell proliferation was restored in drug-free medium after recovery from 72-h culture with 30 nM VP-16. Colony formation and MeAIB transport were restored to pretreatment levels after 1-2 weeks. Thus, two conclusions may be drawn. (1) MeAIB transport may be correlated with cellular growth and (2) the effects of VP-16 on MeAIB transport were partially reversible.
Volume 15(2-3)
Pages 137-41
Published 1991-1-1
DOI 10.1016/0145-2126(91)90094-a
PMID 2016905
MeSH Aminoisobutyric Acids / pharmacokinetics* Biological Transport / drug effects Cell Division / drug effects Cycloheximide / pharmacology Depression, Chemical Etoposide / pharmacology* Humans Leukemia, Myelogenous, Chronic, BCR-ABL Positive / metabolism* Leukemia, Myelogenous, Chronic, BCR-ABL Positive / pathology Sodium / physiology Tumor Cells, Cultured / drug effects Tumor Cells, Cultured / metabolism Tumor Cells, Cultured / pathology Tumor Stem Cell Assay
IF 2.214
Times Cited 1
WOS Category HEMATOLOGY ONCOLOGY
Resource
Human and Animal Cells K562(RCB0027)