Search results for "Neuronal Apoptosis-Inhibitory Protein"

showing 2 items of 2 documents

Resistance to diverse apoptotic triggers in multidrug resistant HL60 cells and its possible relationship to the expression of P-glycoprotein, Fas and…

2002

We studied the human HL60 leukemia cell line and its multidrug resistant (MDR) variant HL60R. In contrast to the HL60, HL60R showed an inability to undergo apoptosis from doxorubicin (Dox) or other different stimuli, including cisplatin, Fas ligation and serum withdrawal. HL60R cells lost surface Fas expression, but we found no evidence that Fas/FasL mediates the apoptotic effects of Dox in HL60. P-glycoprotein (P-gp) did not seem to play a major role as a specific inhibitor of apoptosis. In fact, the P-gp inhibitor verapamil reversed only partially the resistance to Dox-induced apoptosis of the MDR cells. In addition, it did not modify the rate of apoptosis induced from the other stimuli i…

Cancer ResearchProgrammed cell deathTime FactorsChromosomal Proteins Non-HistoneSurvivinDown-RegulationAntineoplastic AgentsApoptosisHL-60 CellsNerve Tissue ProteinsBiologyInhibitor of apoptosisFas ligandInhibitor of Apoptosis ProteinsInhibitory Concentration 50SurvivinTumor Cells CulturedHumansATP Binding Cassette Transporter Subfamily B Member 1RNA Messengerfas ReceptorP-glycoproteinInhibitor of apoptosis domainCaspase 3Reverse Transcriptase Polymerase Chain ReactionProteinsFlow CytometryNeuronal Apoptosis-Inhibitory ProteinNeoplasm ProteinsCell biologyProto-Oncogene Proteins c-bcl-2OncologyDoxorubicinDrug Resistance NeoplasmApoptosisCaspasesbiology.proteinInsect ProteinsNAIPCisplatinMicrotubule-Associated ProteinsCancer Letters
researchProduct

NAIP-deltaEx10-11: a novel splice variant of the apoptosis inhibitor NAIP differently expressed in drug-sensitive and multidrug-resistant HL60 leukem…

2002

Alterations of neuronal apoptosis inhibitory protein (NAIP), a member of the inhibitory of apoptosis protein (IAP) family of inhibitors of apoptosis, have been previously associated with different neurodegenerative disorders. This study indicated the existence of a novel NAIP splice variant. This isoform, NAIP-deltaEx10-11, was found in tumor cell lines of different origin and in normal adult brain. Analysis of the putative protein predicted that the NAIP variant lacks part of the third BIR domain as well as the COOH-terminal tail of regular NAIP. This might suggest that it is endowed with a reduced antiapoptotic activity. This view is supported by the fact that NAIP-deltaEx10-11 mRNA and p…

Gene isoformCancer ResearchApoptosis InhibitorHL60ApoptosisHL-60 CellsNerve Tissue ProteinsBiologyExonchemistry.chemical_compoundmedicineRNA PrecursorsTumor Cells CulturedHumansProtein IsoformsRNA NeoplasmSequence DeletionGeneticsBrain ChemistryAlternative splicingHematologyExonsmedicine.diseaseDrug Resistance MultipleNeuronal Apoptosis-Inhibitory ProteinNeoplasm ProteinsProtein Structure TertiaryLeukemiaAlternative SplicingOncologychemistryApoptosisDrug Resistance NeoplasmCancer researchNAIPLeukemia research
researchProduct