Description
HarringtonineisacephalotaxinealkaloidoriginallyfoundinCephalotaxushainanensisLi;itexhibitsantiviralandanticanceractivities.Harringtonineimmobilizesinitiatedribosomes,inhibitingproteintranslationbybindingtheAsiteofthe60Sribosomalsubunitandpreventingaminoacyl-tRNAbinding.Harringtonineinhibitschikungunyavirusinfection,suppressingreplication,RNAproduction,andviralproteinexpression.Alone,harringtoninedownregulatesproductionofMcl-1,increasescleavageofPARP,andinhibitscellgrowthinacutepromyelocyticleukemia(APL)cells.Additionally,thiscompoundimprovestheefficacyofco-admiNISTeredchemotherapeuticcompounds,furtherinhibitingproliferationandinducingapoptosisinleukemiacells.
References
WuC,ShenH,XiaD.HarringtonineinducesapoptosisinNB4cellsthroughdown-regulationofMcl-1.ZhejiangDaXueXueBaoYiXueBan.2013Jul;42(4):431-6.PMID:24022932.
KaurP,ThiruchelvanM,LeeRC,etal.Inhibitionofchikungunyavirusreplicationbyharringtonine,anovelantiviralthatsuppressesviralproteinexpression.AntimicrobAgentsChemother.2013Jan;57(1):155-67.PMID:23275491.
IngoliaNT,BrarGA,RouskinS,etal.Theribosomeprofilingstrategyformonitoringtranslationinvivobydeepsequencingofribosome-protectedmRNAfragments.NatProtoc.2012Jul26;7(8):1534-50.PMID:22836135.
ZhangC,LiY,MaH,etal.Simultaneousmulti-parameterobservationofHarringtonine-treatingHL-60cellswithbothtwo-photonandconfocallaserscanningmicroscopy.SciChinaCLifeSci.2001Aug;44(4):383-91.PMID:18726419.
FresnoM,JiménezA,VázquezD.Inhibitionoftranslationineukaryoticsystemsbyharringtonine.EurJBiochem.1977Jan;72(2):323-30.PMID:319998.