Active Caspase 8 (CASP8) Mus musculus (Mouse) Active protein

CAP4; FLICE; MACH; MCH5; Cysteinyl Aspartate Specific Proteinases 8; Apoptotic cysteine protease; FADD-homologous ICE/ced-3-like protease; MORT1-associated ced-3 homolog

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Overview
Properties
  • Buffer FormulationPBS, pH7.4, containing 5% Trehalose.
  • Traits Freeze-dried powder, Purity > 90%
  • Isoelectric Point7.0
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  • Active Caspase 8 (CASP8) Packages (Simulation)
  • Active Caspase 8 (CASP8) Packages (Simulation)
  • APA853Mu61.jpg Figure. SDS-PAGE
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Activity test

Caspase 8 (CASP8) is a key initiator protease in the extrinsic apoptosis pathway. Upon activation by death receptors—such as Fas or TNFR1—it is recruited to death-inducing signaling complexes (DISCs). Via its N-terminal death effector domains (DEDs), CASP8 forms oligomers and undergoes autocleavage to achieve full enzymatic activity; it then cleaves downstream effector caspases to execute the apoptotic program. Beyond apoptosis, CASP8 also plays a role in regulating necroptosis, inflammatory responses, and cell differentiation processes. Mechanistically, CASP8 interacts with TNFRSF1A Associated Via Death Domain Protein (TRADD) through homotypic death domain (DD)-mediated binding, a process that facilitates the transduction of apoptotic signals.To detect the activity of recombinant CASP8, a functional ELISA assay was performed to evaluate the interaction between recombinant mouse CASP8 and recombinant human TRADD.Briefly, biotin-linked CASP8 were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100µl were then transferred to TRADD-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST 3 times and incubation with Streptavidin-HRP for 30min, then wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50µl stop solution to the wells and read at 450nm immediately. The binding activity of CASP8 and TRADD was shown in Figure 1, the EC50 for this effect is 0.51 µg/mL.

Usage

Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.

Storage

Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.

Stability

The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

Citations

  • Ursodeoxycholic Acid Ameliorates Apoptotic Cascade in the Rotenone Model of Parkinson’s Disease: Modulation of Mitochondrial PerturbationsPubmed:25502462
  • Viscum articulatum Burm. f. aqueous extract exerts antiproliferative effect and induces cell cycle arrest and apoptosis in leukemia cellsPubmed:29555410
  • Diallyl sulfide alleviates cisplatin‐induced nephrotoxicity in rats via suppressing NF‐κB downstream inflammatory proteins and p53/Puma signalling pathwayPubmed:29266336
  • Antihepatocarcinogenic activity of whey protein concentrate and lactoferrin in diethylnitrosamine‐treated male albino micePubmed: 31087429
  • Targetingp53/TRAIL/caspase-8 signaling by adiponectin reverses thioacetamide-induced hepatocellular carcinoma in ratsPubmed: 31421311
  • Tranilast attenuates methotrexate‐induced renal and hepatic toxicities: Role of apoptosis‐induced tissue proliferationPubmed: 32045101
  • Nifuroxazide attenuates experimentally-induced hepatic encephalopathy and the associated hyperammonemia and cJNk/caspase-8/TRAIL activation in ratsPubmed: 32259601
  • Effects of different pulp-capping materials on cell death signaling pathways of lipoteichoic acid-stimulated human dental pulp stem cellsPubmed: 33206337
  • Cardio-protective impact of gabapentin against doxorubicin-induced myocardial toxicity in rats; emphasis on modulation of inflammatory-apoptotic signalingPubmed: 33199237
  • Chemo-preventive effect of crocin against experimentally-induced hepatocarcinogenesis via regulation of apoptotic and Nrf2 signaling pathwaysPubmed: 32942000
  • Potentiation of the apoptotic signaling pathway in both the striatum and hippocampus and neurobehavioral impairment in rats exposed chronically to a low− dose of …Pubmed: 32915453
  • Tranilast abrogates cisplatin©\induced testicular and epididymal injuries: An insight into its modulatory impact on apoptosis/proliferation34047436

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