Human DC-SIGN HEK293 Overexpression Lysate

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Human DC-SIGN HEK293 Overexpression Lysate: 製品の情報

製品の説明
This Human DC-SIGN overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of DC-SIGN protein (Cat: 10200-H01H) from the overexpression lysate was verified.
発現ホスト
HEK293 Cells
Human
タンパク質構築情報
A DNA sequence encoding the N-terminally truncated extracellular domain (Lys 62-Ala 404) of human DC-SIGN (NP_066978.1) was expressed with the fused Fc region of human IgG1 at the N-terminus.
分子量
The recombinant human Fc/DC-SIGN chimera is a disulfide-linked homodimeric protein. The reduced monomer consists of 580 amino acids and has a calculated molecular mass of 65.8 kDa. As a result of glycosylation, the apparent molecular mass of rh Fc/DC-SIGN is approximately 75 kDa in SDS-PAGE under reducing conditions.

Human DC-SIGN HEK293 Overexpression Lysate: 用法

調製方法
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.
溶解バッファー
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.
おすすめの用法
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.
バッファー
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
安定性 & 保存条件
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.
アプリケーション
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human DC-SIGN HEK293 Overexpression Lysate: 別名

Human CD209 Overexpression Lysate; Human CDSIGN Overexpression Lysate; Human CLEC4L Overexpression Lysate; Human DC-SIGN Overexpression Lysate; Human DC-SIGN1 Overexpression Lysate; Human MGC129965 Overexpression Lysate

DC-SIGN 背景情報

Dendritic cell (DC)-specific intercellular adhesion molecule 3 (ICAM-3) grabbing nonintegrin (DC-SIGN), also known as CD29, is a type II transmembrane protein on DCs with a C-type lectin extracellular domain, is capable of binding ICAM-3 on resting T cells in the secondary lymphoid organs, providing the initial contact between these cells during the establishment of cell-mediated immunity. It is not only a pattern recognition receptor but implicated in immunoregulation of DCs. It has important role in mediating DC adhesion, migration, inflammation, activating primary T cell, triggering immune response and participating in immune escape of pathogens and tumors. DC-SIGN also mediates capture and internalization of viral, bacterial, and fungal pathogens by dendritic cells, such as HIV-1, Ebola virus, cytomegalovirus, Dengue virus, and hepatitis C virus. DC-SIGN is unique in that it regulates adhesion processes, such as DC trafficking and T-cell synapse formation, as well as antigen capture. Moreover, even though several C-type lectins have been shown to bind HIV-1, DC-SIGN does not only capture HIV-1 but also protects it in early endosomes allowing HIV-1 transport by DC to lymphoid tissues, where it enhances trans infection of T cells.
完全な名称
CD209 molecule
参考文献
  • Geijtenbeek TB, et al. (2002) DC-SIGN, a C-type lectin on dendritic cells that unveils many aspects of dendritic cell biology. J Leukoc Biol. 71(6): 921-31.
  • Masso M. (2003) DC-SIGN points the way to a novel mechanism for HIV-1 transmission. MedGenMed. 5(2): 2.
  • Zhou T, et al. (2006) DC-SIGN and immunoregulation. Cell Mol Immunol. 3(4): 279-83.
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