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Cell Preparation and Separation Reagents
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- BD® Single-Cell Multiplexing Kit
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- BD Rhapsody™ TCR/BCR Profiling Assays
- BD® OMICS-Guard Sample Preservation Buffer
- BD Rhapsody™ ATAC-Seq Assays
- BD Rhapsody™ TCR/BCR Next Multiomic Assays
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Western blot analysis of PKR on a A431 cell lysate (Human epithelial carcinoma; ATCC CRL-1555). Lane 1: 1:1000, lane 2: 1:2000, lane 3: 1:4000 dilution of the mouse anti- human PKR antibody.
Immunofluorescence staining of human endothelial cells.
BD Transduction Laboratories™ Purified Mouse Anti-Human PKR
BD Transduction Laboratories™ Purified Mouse Anti-Human PKR
监管状态图例
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推荐的实验流程
Western blot: Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml
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- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
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Double stranded RNA (dsRNA) generated by most viruses during the infectious cycle is a potent stimulator of interferons. Interferons bind to cell surface receptors and stimulate the synthesis of several proteins that interfere with viral replication. One protein, 2'5'-oligo-adenylate synthetase, indirectly activates an endoribonuclease that degrades viral RNA. Another protein, p68 serine/threonine protein kinase (also known as PKR and TIK), is induced following interferon stimulation and activated by autophosphorylation in the presence of dsRNA. Upon activation, p68 phosphorylates the α subunit of the eukaryotic initiation factor 2 (eIF-2) resulting in inhibition of protein synthesis and, in turn, inhibition of viral replication. Evidence also suggests that p68 protein kinase inhibits proliferation and potentiates tumor suppressor function. In addition, p68 has been shown to phosphorylate Iκ-B, thus activating NF-κB which induces interferon-β gene transcription.
This antibody is routinely tested by western blot analysis. Other applications were tested at BD Biosciences Pharmingen during antibody development only or reported in the literature.
研发参考 (4)
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Barber GN, Tomita J, Hovanessian AG, Meurs E, Katze MG. Functional expression and characterization of the interferon-induced double-stranded RNA activated P68 protein kinase from Escherichia coli. Biochemistry. 1991; 30(42):10356-10361. (Biology). 查看参考
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Feng GS, Chong K, Kumar A, Williams BR. Identification of double-stranded RNA-binding domains in the interferon-induced double-stranded RNA-activated p68 kinase. Proc Natl Acad Sci U S A. 1992; 89(12):5447-5451. (Biology). 查看参考
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Lee TG, Tomita J, Hovanessian AG, Katze MG. Characterization and regulation of the 58,000-dalton cellular inhibitor of the interferon-induced, dsRNA-activated protein kinase. J Biol Chem. 1992; 267(20):14238-14243. (Biology). 查看参考
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Meurs E, Chong K, Galabru J, et al. Molecular cloning and characterization of the human double-stranded RNA-activated protein kinase induced by interferon. Cell. 1990; 62(2):379-390. (Biology). 查看参考
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