Human SLPI Baculovirus-Insect cells Overexpression Lysate

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Human SLPI Baculovirus-Insect cells Overexpression Lysate: 製品の情報

製品の説明
This Human SLPI overexpression lysate was created in Baculovirus-Insect cells and intented for use as a Western blot (WB) positive control. Purification of SLPI protein (Cat: 10343-H07B) from the overexpression lysate was verified.
発現ホスト
Baculovirus-Insect cells
Human
タンパク質構築情報
A DNA sequence encoding the secreted form of human SLPI (P03973) (Ser 26-Ala 132) was expressed, with a polyhistidine tag at the N-terminus.
分子量
The recombinant human SLPI consists of 126 amino acids and predicts a molecular mass of 14 kDa. It migrates as an approximately 19 kDa band in SDS-PAGE under reducing conditions.

Human SLPI Baculovirus-Insect cells 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 SLPI Baculovirus-Insect cells Overexpression Lysate: 別名

Human ALK1 Overexpression Lysate; Human ALP Overexpression Lysate; Human BLPI Overexpression Lysate; Human HUSI Overexpression Lysate; Human HUSI-I Overexpression Lysate; Human MPI Overexpression Lysate; Human WAP4 Overexpression Lysate; Human WFDC4 Overexpression Lysate

SLPI 背景情報

Secretory leukoprotease inhibitor (SLPI), also called antileukoprotease (ALP), is a 12-kDa, nonglycosylated serine protease inhibitor present in mucous secretions. It is thought to play a role in protecting the mucosae from injury associated with inflammation. SLPI is locally produced by serous cells, including bronchial submucosal glands. Elafin and SLPI are members of larger families of proteins secreted predominantly at mucosal sites, and have been shown to be modulated in multiple pathological conditions. Elafin and SLPI are structurally related in that both have a fold with a four-disulfide core or whey acidic protein (WAP) domain responsible for inhibiting proteases. SLPI is a prominent innate immune protein of the respiratory tract, possessing serine protease inhibitor activity, antibacterial activity, and anti-inflammatory/immunomodulatory activity.
完全な名称
secretory leukocyte peptidase inhibitor
参考文献
  • Moreau T, et al. (2008) Multifaceted roles of human elafin and secretory leukocyte proteinase inhibitor (SLPI), two serine protease inhibitors of the chelonianin family. Biochimie. 90(2): 284-95.
  • Weldon S, et al. (2007) Innate host defense functions of secretory leucoprotease inhibitor. Exp Lung Res. 33(10): 485-91.
  • Williams SE, et al. (2006) SLPI and elafin: one glove, many fingers. Clin Sci (Lond). 110(1): 21-35.
  • Kikuchi T, et al. (1996) Regulation of secretory leukoprotease inhibitor gene expression. Nihon Rinsho. 54(2): 405-10.
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