Recombinant Mouse CD68 Protein (ECD, His Tag)

Name: Recombinant Mouse CD68 Protein (ECD, His Tag)
Brand: Beta LifeScience
SKU: BLPSN-1085
Availability: InStock

Collections: Cluster of differentiation (cd) proteins, Featured cd protein molecules, Recombinant proteins

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Product Overview

Tag	His
Host Species	Mouse
Accession	NP_001277987.1
Synonym	gp110, Lamp4, Scard1
Background	Macrosialin, also known as CD68 and Gp11, is a single-pass type I membrane protein which belongs to theLAMP 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.
Description	A DNA sequence encoding the mouse CD68 (NP_001277987.1) (Met1-Ser291) was expressed with a His tag at the C-terminus.
Source	Baculovirus-Insect Cells
Predicted N Terminal	Asp 21
AA Sequence	Met1-Ser291
Molecular Weight	The recombinant mouse CD68 consists of 282 a.a. and predicts a molecular mass of 30.2 kDa.
Purity	>90% as determined by SDS-PAGE.
Endotoxin	< 1.0 EU per μg protein as determined by the LAL method.
Bioactivity	Please contact us for detailed information
Formulation	Lyophilized from sterile 20 mM Tris, 150 mM NaCl, pH 8.0, 10 % glycerol..
Stability	The recombinant proteins are stable for up to 1 year from date of receipt at -70°C.
Usage	For Research Use Only
Storage	Store the protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	Could play a role in phagocytic activities of tissue macrophages, both in intracellular lysosomal metabolism and extracellular cell-cell and cell-pathogen interactions. 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.
Subcellular Location	[Isoform Long]: Endosome membrane; Single-pass type I membrane protein. Lysosome membrane; Single-pass type I membrane protein.; [Isoform Short]: Cell membrane; Single-pass type I membrane protein.
Protein Families	LAMP family
Database References	KEGG: mmu:12514 STRING: 10090.ENSMUSP00000104294 UniGene: Mm.15819
Tissue Specificity	Expressed in tissue macrophages and to a lesser extent in dendritic cells.

Gene Functions References

Findings indicate that human CD68 and its mouse ortholog macrosialin located in the lysosomal membrane and share many structural similarities. PMID: 27869795
Myeloid osteoclast precursors do not express CD68. PMID: 28173622
CD68, a putative receptor for sporozoite invasion of Kupffer cells that acts as a gateway for malaria infection of the liver. PMID: 26216124
Results showed that activated microglia in Alzheimer's disease-like mice showed two-step transition: a CD68-negative activated form at 6-9 months and a CD68-positive form from 12 months of age PMID: 25352454
Statins promote the beneficial remodeling of plaques in diseased mouse arteries through the stimulation of the CCR7 / CD68 emigration pathway in macrophages PMID: 22163030
These findings demonstrate a role for CD68 in the function of osteoclasts. PMID: 21991369
CD68-null mononuclear phagocytes exhibited a trend toward enhanced antigen presentation to CD4+ T cells, indicating that CD68 may function to negatively regulate antigen uptake, loading, or major histocompatibility complex class II trafficking. PMID: 21572087
Atherogenic diet-induced reduction in lipid levels of Reversa model mouse leads to decreased monocyte-derived CD68-positive cells in advanced atherosclerotic plaques and is associated with emigration of these cells from the atherosclerotic plaques. PMID: 21339485
Macrosialin does not function as an oxLDL receptor on the cell surface. PMID: 12562841
Data show that macrosialin (CD68), a macrophage-specific protein, is increased by aging in selected brain regions of male C57BL/6NNia mice. PMID: 16157452

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.