Recombinant Human C-X-C Motif Chemokine 17 Protein (CXCL17), Active

Name: Recombinant Human C-X-C Motif Chemokine 17 Protein (CXCL17), Active
Brand: Beta LifeScience
SKU: BLC-05522P
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 17 Protein (CXCL17), Active is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 96% 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 ED50 as determined by its ability to induce VEGF expression using murine endothelial cells is less than 5.0 μg/ml, corresponding to a specific activity of >200 IU/mg.
Uniprotkb	Q6UXB2
Target Symbol	CXCL17
Synonyms	CXCL17; VCC1; UNQ473/PRO842C-X-C motif chemokine 17; 6-Cys CXCL17; Dendritic cell and monocyte chemokine-like protein; DMC; VEGF coregulated chemokine 1) [Cleaved into: 4-Cys CXCL17]
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	Tag-Free
Complete Sequence	SSLNPGVARG HRDRGQASRR WLQEGGQECE CKDWFLRAPR RKFMTVSGLP KKQCPCDHFK GNVKKTRHQR HHRKPNKHSR ACQQFLKQCQ LRSFALPL
Expression Range	22-119aa
Protein Length	Full Length of Mature Protein
Mol. Weight	11.5 kDa
Research Area	Immunology
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4, with 3 Trehalose.
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	Chemokine that acts as chemoattractant for monocytes, macrophages and dendritic cells. Plays a role in angiogenesis and possibly in the development of tumors. Acts as an anti-inflammatory in the stomach. May play a role in the innate defense against infections. Activates the C-X-C chemokine receptor GPR35 to induce a rapid and transient rise in the level of intracellular calcium ions.; seems exhibit much higher chemoattractant potency on monocytes and macrophages than 6-Cys CXCL17.
Subcellular Location	Secreted.
Protein Families	Intercrine alpha (chemokine CxC) family
Database References	HGNC: 19232 OMIM: 611387 KEGG: hsa:284340 STRING: 9606.ENSP00000472467 UniGene: PMID: 30198422 High expression of CXCL17 correlates with shorter overall survival of breast cancer patients.CXCL17 interacts with CXCR8 in breast cancer cells. PMID: 28943434 CXCL17 attenuates Imiquimod -induced psoriasis-like skin inflammation by recruiting myeloid-derived suppressor cells and regulatory T cells , which may be important for regulating excessive inflammation in psoriasis skin. PMID: 28389593 This article shows that GPR35 is the receptor of CXCL17. PMID: 25411203 CXCL17 production correlated with adverse immune infiltration and might be an important target for anti-HCC therapies. PMID: 25303284 We conclude that CXCL17 is an antimicrobial mucosal chemokine that may play a role in the pathogenesis of interstitial lung diseases PMID: 22611239 these results suggest that VCC-1 is involved in cisplatin-induced apoptosis of HepG2 cells, and also provides some evidence for VCC-1 as a potential cellular target for chemotherapy. PMID: 22425983 An Fc-fusion protein of 35kDa with a modified human immunoglobulin IgG1 Fc domain is capable of inhibiting CC chemokine-induced calcium flux, chemotaxis, and beta-arrestin recruitment in primary macrophages and transfected cells. PMID: 21586597 Immune surveillance occurs during the early intraepithelial stages of human pancreatic carcinogenesis and is mediated by expression of CXCL17 and ICAM2. PMID: 20955708 DMC induces migration of monocytes and immature dendritic cells. Expression studies show that DMC is constitutively expressed in lung, suggesting a potential role for DMC in recruiting monocytes and dendritic cells from blood into lung parenchyma PMID: 16455961 VCC1 plays a role in angiogenesis and possibly in the development of tumors in some tissue types PMID: 16989774 These results strongly suggest that VCC-1 plays an important role in hepatocellular carcinoma cell invasion and tumor growth. PMID: 19657564

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.