PKR Inhibitor

PKR Inhibitor

CAT N°: 15323
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From 48.00 40.80

The activity of double-stranded RNA-activated protein kinase (PKR) is altered by viral infection as well as by various neuropathologies.{25319,25322} A primary phosphorylation target of PKR is eukaryotic initiation factor 2 subunit ? (eIF2?), blocking translation and driving apoptosis.{25323} PKR Inhibitor is an oxindole/imidazole derivative that binds the ATP-binding site of PKR and blocks autophosphorylation with an IC50 value of 186-210 nM.{25323} PKR Inhibitor protects human neuroblastoma cells against cell damage triggered by tunicamycin-mediated endoplasmic reticulum stress.{25321} It also prevents phosphorylation of Fas-associated protein with a death domain (FADD) in neuroblastoma cells, preventing FADD-dependent activation of caspases and apoptosis.{25319} Intraperitoneal administration of PKR inhibitor in rats reduces phosphorylation of PKR and eIF2? in the brain.{25320} Similar administration in mice enhances long-term memory storage, including contextual and auditory long-term fear memories.{25322}

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