Human SMOC1 HEK293 Overexpression Lysate


Human SMOC1 HEK293 Overexpression Lysate: 产品信息

This Human SMOC1 overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of SMOC1 protein (Cat: 12026-H08H) from the overexpression lysate was verified.
HEK293 Cells
A DNA sequence encoding the human SMOC1 isoform 1 (NP_001030024.1) (Met 1-Val 435) was expressed, fused with a polyhistidine tag at the C-terminus.
The recombinant human SMOC1 consists of 420 amino acids and has a predicted molecular mass of 47 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of rhSMOC1 is approximately 55-60 kDa due to glycosylation.

Human SMOC1 HEK293 Overexpression Lysate: 使用指南

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.
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.
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.
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.
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human SMOC1 HEK293 Overexpression Lysate: 别称

Human OAS Overexpression Lysate

SMOC1 背景信息

SPARC-related modular calcium-binding protein 1, also known as secreted modular calcium-binding protein 1 and SMOC1, is a member of the SPARC family. SMOC1 is widely expressed in many tissues with a strongest signal in ovary. It contains two EF-hand domains, one Kazal-like domain and two thyroglobulin type-1 domains. Extracellular matrix proteins have been implicated in the regulation of osteoblast differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) through paracrine or autocrine mechanisms. SMOC1 is a regulator of osteoblast differentiation of BMSCs. SMOC1 is highly expressed and secreted in BMSCs stimulated with osteogenic medium (OSM). SMOC1 and SMOC2 are matricellular proteins thought to influence growth factor signaling, migration, proliferation, and angiogenesis. SMOC1 and SMOC2 may mediate intercellular signaling and cell type-specific differentiation during gonad and reproductive tract development.
SPARC related modular calcium binding 1
  • Vannahme C. et al., 2002 J. Biol. Chem. 277:37977-86.
  • Pazin,D.E. et al., 2009, Dev Dyn. 238 (11): 2877-90.
  • Choi,Y.A. et al., 2010, J Proteome Res. 9 (6):2946-56.
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