Human IL-12 p70/IL12A HEK293 Overexpression Lysate

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Human IL-12 p70/IL12A HEK293 Overexpression Lysate: 产品信息

产品描述
This Human IL-12 p70/IL12A overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of IL-12 p70/IL12A protein (Cat: 10021-H08H) from the overexpression lysate was verified.
表达宿主
HEK293 Cells
种属
Human
蛋白构建信息
A DNA sequence encoding the p35 subunit of human IL12, termed as IL12A (P29459) (Met 1-Ser 219) was expressed, fused with a polyhistidine tag at the C-terminus.
分子量
The recombinant human IL12A consists of 208 amino acids and has a predicted molecular mass of 24 kDa. As a result of glycosylation, the rhIL12A migrates as an approximately 35-40 kDa band in SDS-PAGE under reducing conditions.

Human IL-12 p70/IL12A HEK293 Overexpression Lysate: 使用指南

制备方法
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
裂解缓冲液
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
使用建议
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
缓冲液
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
稳定性 & 储存条件
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
应用
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human IL-12 p70/IL12A HEK293 Overexpression Lysate: 别称

Human CLMF Overexpression Lysate; Human IL-12A Overexpression Lysate; Human NFSK Overexpression Lysate; Human NKSF1 Overexpression Lysate; Human P35 Overexpression Lysate

IL-12 p70/IL12A 背景信息

Interleukin-12 subunit alpha (IL12A/IL-12p35) is also known as Cytotoxic lymphocyte maturation factor 35 kDa subunit, cytotoxic lymphocyte maturation factor 1, p35, NK cell stimulatory factor chain 1, and interleukin-12 alpha chain. IL12A/IL-12p35 is a subunit of a cytokine that acts on T and natural killer cells, and has a broad array of biological activities. The cytokine is a disulfide-linked heterodimer composed of the 35-kD subunit encoded by this gene, and a 4-kD subunit that is a member of the cytokine receptor family. IL12A/IL-12p35 is required for the T-cell-independent induction of IFN-gamma, and is important for the differentiation of both Th1 and Th2 cells. The responses of lymphocytes to this cytokine are mediated by the activator of transcription protein STAT4. Nitric oxide synthase 2A (NOS2A/NOS2) is found to be required for the signaling process of this cytokine in innate immunity. In clinical, IL-12 remains a very promising immunotherapeutic agent because recent cancer vaccination studies in animal models and humans have demonstrated its powerful adjuvant properties. The immune modulating characteristics of IL-12 considered responsible for the adjuvant effects, as well as the results of animal and human cancer vaccination studies with IL-12 applied as an adjuvant. IL12A/IL-12p35 indicates a cytokine which is important in the development of prostate cancer.
全称
interleukin 12A
Related Pathways
  • IL12 signaling pathway
    IL12 signaling pathway
参考文献
  • Sattler HP, et al. (2000) Novel amplification unit at chromosome 3q25-q27 in human prostate cancer. Prostate. 45(3): 207-15.
  • Lamont AG, et al. (1996) IL-12: a key cytokine in immune regulation. Immunol Today. 17(5): 214-7.
  • Portielje JE, et al. (2003) IL-12: a promising adjuvant for cancer vaccination. Cancer Immunol Immunother. 52(3): 133-44.
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