Human Osteoprotegerin Baculovirus-Insect Overexpression Lysate

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Human Osteoprotegerin Baculovirus-Insect Overexpression Lysate: 製品の情報

製品の説明
This Human Osteoprotegerin overexpression lysate was created in Baculovirus-Insect Cells and intented for use as a Western blot (WB) positive control. Purification of Osteoprotegerin protein (Cat: 10271-H02B) 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 human TNFRSF11B (NP_002537.3) (Met1-Leu401) was expressed with the Fc region of human IgG1 at the C-terminus.
分子量
The recombinant human TNFRSF11B consists of 618 amino acids and predicts a molecular mass of 70.3 kDa.

Human Osteoprotegerin Baculovirus-Insect Overexpression Lysate: 用法

調製方法
Cell lysate was prepared by homogenization 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. 3. Store the lyophilized cell lysate at 4℃. After re-dissolution, recommend to aliquot it into smaller quantities and store at -80℃.
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 Osteoprotegerin Baculovirus-Insect Overexpression Lysate: 別名

Human MGC29565 Overexpression Lysate; Human OCIF Overexpression Lysate; Human OPG Overexpression Lysate; Human PDB5 Overexpression Lysate; Human TR1 Overexpression Lysate

Osteoprotegerin 背景情報

Osteoprotegerin or TNFRSF11B is a member of the TNF-receptor superfamily. This protein is an osteoblast-secreted decoy receptor that functions as a negative regulator of bone resorption. This protein specifically binds to its ligand, osteoprotegerin ligand, both of which are key extracellular regulators of osteoclast development. Studies of the mouse counterpart also suggest that this protein and its ligand play a role in lymph-node organogenesis and vascular calcification. Alternatively spliced transcript variants of this gene have been reported, but their full length nature has not been determined. Osteoprotegerin/TNFRSF11B acts as decoy receptor for RANKL and thereby neutralizes its function in osteoclastogenesis. This protein may inhibit the activation of osteoclasts and promotes osteoclast apoptosis in vitro. Bone homeostasis seems to depend on the local RANKL/OPG ratio. Osteoprotegerin/TNFRSF11B also play a role in preventing arterial calcification, act as decoy receptor for TRAIL and protect against apoptosis. TRAIL binding blocks the inhibition of osteoclastogenesis.
完全な名称
tumor necrosis factor receptor superfamily member 11b
参考文献
  • Collin-Osdoby P. (2005) Regulation of vascular calcification by osteoclast regulatory factors RANKL and osteoprotegerin. Circ Res. 95 (11): 1046-57.
  • Boyce BF, et al. (2007) Biology of RANK, RANKL, and osteoprotegerin. Arthritis Res. Ther. 9 Suppl 1: S1.
  • Blázquez-Medela AM, et al. ( 2011) Osteoprotegerin and diabetes-associated pathologies. Curr Mol Med. 11 (5): 401-16.
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