Recombinant Human Interleukin-17B Protein (IL17B), Active

Name: Recombinant Human Interleukin-17B Protein (IL17B), Active
Brand: Beta LifeScience
SKU: BLC-05437P
Price: 287.2 USD
Availability: InStock

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

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Product Overview

Description	Recombinant Human Interleukin-17B Protein (IL17B), Active is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 95% 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 inducing IL-8 secretion of human HepG2 cells is less than 1.0 μg/ml, corresponding to a specific activity of >1000 IU/mg.
Uniprotkb	Q9UHF5
Target Symbol	IL17B
Synonyms	Cytokine like protein Zcyto7; Cytokine Zcyto7; IL 17B; IL 20 ; IL-17B; IL-20; IL17B; IL17B_HUMAN; IL20 ; Interleukin 17 beta; Interleukin 17B; Interleukin 20; Interleukin-17B; Interleukin-20; MGC138900; MGC138901; Neuronal interleukin 17 related factor ; Neuronal interleukin-17-related factor; NIRF ; ZCYTO7
Species	Homo sapiens (Human)
Expression System	E.Coli
Tag	Tag-Free
Complete Sequence	M+QPRSPKSKR KGQGRPGPLA PGPHQVPLDL VSRMKPYARM EEYERNIEEM VAQLRNSSEL AQRKCEVNLQ LWMSNKRSLS PWGYSINHDP SRIPVDLPEA RCLCLGCVNP FTMQEDRSMV SVPVFSQVPV RRRLCPPPPR TGPCRQRAVM ETIAVGCTCI F
Expression Range	21-180aa
Protein Length	Full Length of Mature Protein
Mol. Weight	18.3 kDa
Research Area	Immunology
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 µm filtered PBS, pH 7.4, with 0.1 Tween-20 and 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	Stimulates the release of tumor necrosis factor alpha and IL-1-beta from the monocytic cell line THP-1.
Subcellular Location	Secreted.
Protein Families	IL-17 family
Database References	HGNC: 5982 OMIM: 604627 KEGG: hsa:27190 STRING: 9606.ENSP00000261796 UniGene: Hs.156979
Tissue Specificity	Expressed in adult pancreas, small intestine, stomach, spinal cord and testis. Less pronounced expression in prostate, colon mucosal lining, and ovary.

Gene Functions References

The results indicate that the IL-17B/IL-17RB signaling can promote the growth and migration of tumor cells. PMID: 27146881
Our data revealed a new mechanism that IL-17B enhanced the progression of gastric cancer by activating mesenchymal stem cells. PMID: 28145881
Segregation analysis revealed that variants c.475T>G in SKP1, c.671G>A in PROB1, and c.527G>A in IL17B in the 5q31.1-q35.3 linkage region, and c.850G>A in HKDC1 in the 10q22 locus completely segregated with the phenotype in the studied Keratoconus family PMID: 27703147
This comprehensive review details the recognition of activity, signaling, and the roles of IL17B-IL17RB in breast cancer have caused to determination of new therapeutic mechanisms--{REVIEW} PMID: 28160754
Studies indicate that interleukin 17 (IL-17B)/interleukin 17 receptor B (IL-17RB) signaling is essential for pancreatic cancer malignancy. PMID: 26285835
IL-17B-IL-17RB signaling promotes pancreatic cancer malignancy. PMID: 25732306
Results show that amplified signaling of interleukin-17 receptor B (IL-17RB) and its ligand IL-17B promot tumorigenicity in breast cancer cells and impeded acinus formation in immortalized normal mammary epithelial cells. PMID: 23851503
IL-17B can enhance the effects of TNF-alpha on the production of cytokines and chemokines that control immune cell trafficking and neutrophil homeostasis in the inflamed tissues. PMID: 24056520
IL-17A, IL-17B, IL-17F and IL-23 in systemic lupus erythematosus patients were examined and the correlation between levels of the investigated cytokines and VEGF, PIGF, as well as number of endothelial cells, was investigated. PMID: 23661335
expression and functional study of IL-17B PMID: 22394632
IL-17 may play an important role in the occurrence of nasal polyps by overexpression. PMID: 16805377

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.