Recombinant Human CCL8 Protein

Name: Recombinant Human CCL8 Protein
Brand: Beta LifeScience
SKU: BL-1788NP
Availability: InStock

BL-1788NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Collections: Chemokines and receptors, Cytokines, Cytokines and growth factors, Recombinant proteins

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Product Overview

Description	Recombinant Human C-C Motif Chemokine 8 is produced by our E.coli expression system and the target gene encoding Gln24-Pro99 is expressed.
Accession	P80075
Synonym	C-C Motif Chemokine 8; HC14; Monocyte Chemoattractant Protein 2; Monocyte Chemotactic Protein 2; MCP-2; Small-Inducible Cytokine A8; CCL8; MCP2; SCYA10; SCYA8
Gene Background	Human Chemokine (C-C Motif) Ligand 8 (CCL8) is produced by human MG63 osteosarcoma cells. CCL8 shares 62% and 58% amino acid sequence identity with MCP-1 and MCP-3, respectively. All three MCP proteins are monocyte chemoattractants. CCL8 is chemotactic for and activates many different immune cells, including mast cells, eosinophils and basophils, which are implicated in allergic response, and monocytes, T cells, and NK cells that are involved in the inflammatory response. CCL8 elicits its effects by binding to several different cell surface receptors including CCR1, CCR2B and CCR5.
Molecular Mass	8.9 KDa
Apmol Mass	12 KDa, reducing conditions
Formulation	Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Endotoxin	Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity	Not tested
Reconstitution	Always centrifuge tubes before opening.Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100μg/ml.Dissolve the lyophilized protein in distilled water.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage	Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt.Reconstituted protein solution can be stored at 2-8°C for 2-7 days.Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping	The product is shipped at ambient temperature.Upon receipt, store it immediately at the temperature listed below.
Usage	For Research Use Only

Target Details

Target Function	Chemotactic factor that attracts monocytes, lymphocytes, basophils and eosinophils. May play a role in neoplasia and inflammatory host responses. This protein can bind heparin. The processed form MCP-2(6-76) does not show monocyte chemotactic activity, but inhibits the chemotactic effect most predominantly of CCL7, and also of CCL2 and CCL5 and CCL8.
Subcellular Location	Secreted.
Protein Families	Intercrine beta (chemokine CC) family
Database References	HGNC: 10635 OMIM: 602283 KEGG: hsa:6355 STRING: 9606.ENSP00000378118 UniGene: Hs.271387
Tissue Specificity	Highest expression found in the small intestine and peripheral blood cells. Intermediate levels seen in the heart, placenta, lung, skeletal muscle, thymus, colon, ovary, spinal cord and pancreas. Low levels seen in the brain, liver, spleen and prostate.

Gene Functions References

It was shown that MCP2 was able to activate the NF-kappaB signaling pathway inducing the epithelial-mesenchymal transition (EMT) and promoting the migration and invasion of ESCC cells in vitro. PMID: 29148603
Transcriptome analysis identified several novel IPF-related genes. Among them, CCL8 is a candidate molecule for the differential diagnosis and prediction of survival. PMID: 28057004
Findings exemplify how gradients of chemoattractive factors such as CCL8, drive metastasis and suggest that interference with their operation may provide means for breast cancer management. PMID: 27181207
Detecting expression changes in TLR4 and MCP2 in the peripheral blood is a feasible method for predicting the occurrence of abortion in women of child-bearing age PMID: 27173235
Dermal fibroblast CCL8 promotes melanoma metastasis. PMID: 26320180
Authors show that the previously observed downregulation of hsa-miR-92a and upregulation of CCL8 during human cytomegalovirus latent infection of myeloid cells are intimately linked via the latency-associated expression of cytomegalovirus UL111A. PMID: 25253336
CCL8 is an antimicrobial protein with bacteriocidal activity against E. coli. PMID: 12949249
Results indicate that the induction of MCP-2/CCL8 by mycobacteria is dependent on the activation of TLR2/PI3K/Akt signaling pathway. PMID: 23418602
Macrophage Colony Stimulating Factor and Monocyte Chemoattractant Protein are elevated in sera of intrinsic asthmatics compared to normal controls. PMID: 21945122
genetic polymorphhism is associated with a risk of death for non-small cell lung cancer in Chinese PMID: 21514686
Cytokine treatment increases mRNA stability only for chemokines CCL2 and CCL8 in airway epithelium, and transient silencing and overexpression of human antigen R affects only chemokine CCL2 and CCL8 expression in primary and transformed epithelial cells. PMID: 21220697
CCL8/MCP-2 is a target for mir-146a in HIV-1 infected microglia, as overexpression of mir-146a prevented HIV-induced secretion of MCP-2 chemokine PMID: 20181935
TRAIL pretreatment of endothelial cells down-modulated mRNA steady-state levels of several TNF-alpha-induced chemokines, and it abrogated the TNF-alpha-mediated up-regulation of CCL8 and CXCL10, modulating leukocyte/endothelial cell adhesion PMID: 15644410
Angiotensin II directly stimulates MCP-2 expression through AT1-receptors in activated macrophages PMID: 17487826
CCL8 is a promising specific serum marker for the early and accurate diagnosis of graft-versus-host disease. PMID: 18256320
A new finding is the differential distribution of CCL8 marker alleles and a haplotype in extreme severity subgroups of MS. PMID: 18602166
IP-10 and MCP-2 are expressed in tuberculosis patients PMID: 18684849
5-Amino-4-imidazole carboxamide riboside (AICAR) markedly increases UCP-2 expression and reduced both reactive oxygen species and prostacyclin synthase nitration. PMID: 18835932
These data indicate that optimal induction and delivery of MCP-2/CCL8 is counteracted by converting this chemokine into a receptor antagonist, thereby losing its anti-tumoral potential. PMID: 19224633
CCL8/MCP rs1133763 SNP, or other variants in linkage disequilibrium with this variant, likely do not influence the susceptibility to AD or FTLD in Caucasians. PMID: 19415413

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.