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Human CD68 / Macrosialin / Gp110 Protein (aa 1-319, His Tag)

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Human CD68 Protein Product Information
Protein Construction:A DNA sequence encoding the human CD68 () was expressed, with a C-terminal polyhistidine tag.
Expressed Host:Baculovirus-Insect Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human CD68 Protein QC Testing
Purity:> 98 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Asn 22
Molecule Mass:The secreted recombinant human CD68 consists of 308 amino acids and predicts a molecular mass of 32.9 KDa. The apparent molecular mass of the protein is approximately 68 Kda in SDS-PAGE under reducing conditions due to glycosylation.
Formulation:Lyophilized from sterile 20mM Tris, 500mM NaCl, pH 7.4, 10% gly
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CD68 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human CD68 Protein SDS-PAGE
Human CD68 / Macrosialin / Gp110 Protein (aa 1-319, His Tag) SDS-PAGE
Other CD68 Recombinant Protein Products
CD68 Background

Macrosialin, also known as CD68 and Gp110, is a single-pass type I  membrane protein which belongs to the LAMP family. CD68 is highly expressed by blood monocytes and tissue macrophages. It is also expressed in lymphocytes, fibroblasts and endothelial cells. CD68 is expressed in many tumor cell lines which could allow them to attach to selectins on vascular endothelium, facilitating their dissemination to secondary sites. CD68 plays a role in phagocytic activities of tissue macrophages, both in intracellular lysosomal metabolism and extracellular cell-cell and cell-pathogen interactions. It is a commonly used marker for macrophages. However, a number of studies have shown that CD68 antibodies react with other hematopoietic and non-hematopoietic cell types, suggesting that CD68 may not be a macrophage-specific antigen. CD68 binds to tissue- and organ-specific lectins or selectins, allowing homing of macrophage subsets to particular sites. Rapid recirculation of CD68 from endosomes and lysosomes to the plasma membrane may allow macrophages to crawl over selectin-bearing substrates or other cells.

Human CD68 References
  • Strobl H. et al., 1995, Br J Haematol. 90 (4): 774-82.
  • Ogawa Y. et al., 1995, Pathol Int. 45 (9): 698-701.
  • Sadovnikova E. et al., 2002,Leukemia. 16 (10): 2019-26.
  • Gottfried E. et al., 2008, Scand J Immunol. 67 (5): 453-63.
  • Strojnik T. et al., 2009, Anticancer Res. 29 (8): 3269-79.
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    Catalog: 11192-H08B1-50
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