Recombinant Human C-X-C Motif Chemokine 6 Protein (CXCL6), Active

Name: Recombinant Human C-X-C Motif Chemokine 6 Protein (CXCL6), Active
Brand: Beta LifeScience
SKU: BLC-05530P
Availability: InStock

Collections: All products, Buy cytokines, chemokines, and growth factors for research online, Chemokines and receptors – essential regulators of immune response, High-quality cytokines for advanced research, High-quality recombinant proteins

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Product Overview

Description	Recombinant Human C-X-C Motif Chemokine 6 Protein (CXCL6), Active is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 98% as determined by SDS-PAGE and HPLC.
Endotoxin	Less than 1.0 EU/μg as determined by LAL method.
Activity	Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human neutrophils is in a concentration range of 10-50 ng/ml.
Uniprotkb	P80162
Target Symbol	CXCL6
Synonyms	C X C motif chemokine 6; Chemokine (C X C motif) ligand 6; Chemokine alpha 3; CKA 3; CKA-3; CKA3; CXCL 6; CXCL6; CXCL6_HUMAN; GCP 2; GCP-2; Granulocyte chemotactic protein 2; N-processed variant 3; SCYB6; Small inducible cytokine B6; Small inducible cytokine subfamily B (Cys X Cys) member 6; Small inducible cytokine subfamily B (Cys X Cys) member b; Small-inducible cytokine B6
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	Tag-Free
Complete Sequence	VLTELRCTCL RVTLRVNPKT IGKLQVFPAG PQCSKVEVVA SLKNGKQVCL DPEAPFLKKV IQKILDSGNK KN
Expression Range	43-114aa
Protein Length	Partial
Mol. Weight	7.9 kDa
Research Area	Immunology
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 µm filtered PBS, pH 7.4
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Chemotactic for neutrophil granulocytes. Signals through binding and activation of its receptors (CXCR1 and CXCR2). In addition to its chemotactic and angiogenic properties, it has strong antibacterial activity against Gram-positive and Gram-negative bacteria (90-fold-higher when compared to CXCL5 and CXCL7).
Subcellular Location	Secreted.
Protein Families	Intercrine alpha (chemokine CxC) family
Database References	HGNC: 10643 OMIM: 138965 KEGG: hsa:6372 STRING: 9606.ENSP00000226317 UniGene: PMID: 29136957 Study has provided the first report of fibroblast-derived CXCL12 enhancement of CXCL6 secretion in colon cancer cells, and of both CXCL12 and CXCL6 co-operatively regulating metastasis through the PI3K/Akt/mTOR signaling pathway. PMID: 28811711 CXCL6 expression is upregulated by Fli1 deficiency in fibroblasts and endothelial cells, potentially contributing to the development of fibrosis and vasculopathy in the skin, lung, and heart of systemic sclerosis. PMID: 28507181 CXCL6 level is high in the serum of chronic hepatitis B patients.CXCL6 promotes human hepatocyte proliferation through the CXCR1-NFkappaB pathway and inhibits collagen I secretion by hepatic stellate cells. PMID: 27032929 The role of PITX2 in glaucoma may be mediated partly by regulating the expression of CXCL6 and BBS5 and thus affecting immune functions and intraocular pressure. PMID: 27520585 The neutrophil-recruiting chemokine GCP-2/CXCL6 is expressed in cystic fibrosis airways and retains its functional properties after binding to extracellular DNA. PMID: 25993443 HIF-1alpha promotes HCC progression and metastasis by upregulating CXCL6 transcription in HCC cells. PMID: 25323032 Expression of the CXCL8, CXCL6 and CXCL1 genes are under the primary control of 1,25-dihydroxyvitamin D3 and its receptor. PMID: 24250750 Data suggest that expression of CXCL6 in trophoblasts is up-regulated during pregnancy development/placentation; CXCL6 expression inhibits trophoblast cell migration and invasion by down-regulating activity of MMP2 (matrix metalloproteinase 2). PMID: 23814098 Overexpression of GCP-2 in mesenchymal stem cells has the potential to enhance their angiogenic and survival properties. PMID: 22886775 Studies show that functional blocking of GCP-2 inhibits tumor growth and metastases. PMID: 21236563 The aim of this study was to investigate the role of the transcription factors, AP-1 and NF-kappaB, in IL-6 and CXCL8 regulation in Jurkat T-cells. PMID: 20507572 The level of expression of granulocyte chemotactic protein 2 correlates with the severity of periodontitis and appears to act as a yet unrecognized functional adjunct to interleukin-8 in pathological gingival tissues. PMID: 18842116 results suggest that granulocyte chemotactic protein-2 is an additional ELR(+)-CXC chemokine expressed in endometrial stromal cells PMID: 12524079 induction in mesenchymal cells by interleukin-1beta and down-regulation by interferon-gamma PMID: 12533683 Neutrophil recruitment to inflammatory sites is mediated by two related receptors: CXCR1 and CXCR2. Both receptors share two ligands, interleukin-8 (CXCL8) and GCP-2 (CXCL6). PMID: 12628493 expression in inflamed intestinal tissue in Crohn's disease PMID: 15214047 production of GCP-2 by endothelial cells within the tumor can contribute to tumor development through neovascularization due to endothelial cell chemotaxis and to tumor cell invasion and metastasis PMID: 15652347 LDL lipoprotein subunit L5 induces human umbilical vein endothelial cells (HUVEC) to express CXCL6. PMID: 17022986 These findings indicate that the equilibrium between angiostatic and angiogenic factors during inflammation and tumor progression is rather complex and differs depending on the chemokine, cell type, and stimulus. PMID: 17827342 These observations suggest a role for CXCL6 in the innate immune response to microbial invasion of the amniotic cavity. PMID: 18782286 Report gonadotropin-releasing hormone-regulated CXCL6 expression in human placentation. PMID: 19369450

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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.