Recombinant Human IL19 Protein

Name: Recombinant Human IL19 Protein
Brand: Beta LifeScience
SKU: BL-1665SG
Availability: InStock

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Product Overview

Tag	N/A
Host Species	Human
Accession	Q9UHD0
Synonym	Melanoma differentiation-association protein-like protein, NG.1
Background	IL19 belongs to the IL-10 family of proinflammatory cytokines, which is composed of IL10, IL19, IL20, IL22, IL24, and IL26. IL19 is mainly expressed in monocytes and binds to the IL20 receptor complex which leads to the activation of the signal transducer and activator of transcription 3 (STAT3). It also performs up-regulation of IL6 and TNF-alpha and apoptosis induction, thus signifying its role in inflammatory responses.
Description	Recombinant Human IL19 was produced in E. coli. This protein is purified with our unique purification methods.
Source	E.coli
Molecular Weight	18.0 kDa
Purity	For specific purity information on a given lot, see related COA.
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Formulation	Recombinant protein is supplied in 50mM Tris-HCl, pH 7.5, 50mM NaCl, 10mM Glutathione, 0.25mM DTT, 0.1mM EDTA, 0.1mM PMSF and 25% glycerol.
Stability	The recombinant protein is stable for up to 12 months at -70°C
Usage	For Research Use Only
Storage	Recombinant Human IL19 Protein should be stored should be stored at < -70°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	May play some important roles in inflammatory responses. Up-regulates IL-6 and TNF-alpha and induces apoptosis.
Subcellular Location	Secreted.
Protein Families	IL-10 family
Database References	HGNC: 5990 OMIM: 605687 KEGG: hsa:29949 STRING: 9606.ENSP00000343000 UniGene: PMID: 28597022 IL-19 is significantly positive correlated with UAE and Cystatin C. IL-19 may play an important role that contributes to the progression of diabetic nephropathy. PMID: 28201997 The authors identified highly significant associations with better melanoma overall survival for rs6673928, impacting IL19 expression (HR, 0.56; 95% CI, 0.41-0.77; P = 0.0002) and rs6695772, controlling the expression of BATF3 (HR, 1.64; 95% CI, 1.19-2.24; P = 0.0019). PMID: 26733611 a set of IL-17A-regulated genes in keratinocytes, which recapitulate typical psoriasis genes exemplified by DEFB4A, S100A7, IL19 and CSF3, based on the differences in the expression profiles of cells stimulated with six cytokines versus cells stimulated with only five cytokines lacking IL-17A. PMID: 26944069 findings show that the expression of IL19 in biopsies of patients with active ulcerative colitis was increased compared with patients with quiescent ulcerative colitis; microbial-driven expression of IL-19 by intestinal macrophages may contribute to the pathogenesis of inflammatory bowel disease PMID: 28864472 The SNP of IL-19 rs1798 may be associated with susceptibility to hepatitis B in children. PMID: 27974122 The frequency of allele C in rs2243188 was lower in the SLE population. PMID: 27173295 These data are the first to implicate the association between the interleukin-19 and type 2 diabetes mellitus with vascular complications. PMID: 27182008 IL-19 and Ang-2 might be involved in angiogenesis of T2 Diabetes mellitus complications. PMID: 26657726 Data show reduced cytokines IL-10 and IL-19 expression, and enhanced IL-20 and il-1 beta expression in chronic recurrent multifocal osteomyelitis (CRMO) monocytes. PMID: 26404542 The level of IL-19 in the peripheral blood of allergic rhinitis(AR) patients increased and was related with the clinical severity of AR. PMID: 26522365 these findings suggest that molecular features at the IL19 locus may modestly alter the establishment of HIV-1 infection. PMID: 25633979 IL-19 rs2243188 SNP was associated with the susceptibility to lupus nephritis in a Chinese population; but the minor C allele of SNP rs2243188 might be a protective factor for systemic lupus erythematosus PMID: 24819332 These findings indicate that IL-19 production is diminished in SpA. Taken together, impaired IL-19 control of the innate immune system might be involved in the pathogenesis of SpA. PMID: 25639337 Unstimulated and TLR-activated monocytes expressed significantly lower IL-19 mRNA in active CD patients.Exogenous IL-19 had an anti-inflammatory effect on HC but not in CD. PMID: 24718601 IL-19 as a component of the IL-23/IL-17 axis strengthens the IL-17A action and might be a biomarker for the activity of this axis in chronic inflammatory disorders PMID: 25046339 we delineate the detailed molecular pathway for IL-4 up-regulation of IL-19 in keratinocytes, which may play an important role in AD pathogenesis. PMID: 24943510 results suggest that the IL-19 gene might slightly contribute to the genetic risk of schizophrenia. PMID: 24361379 It supresses inflammation and its gene deletion causes inflammatory bowel disease.(review) PMID: 24919552 IL-19 is important for cutaneous wound healing because it upregulates KGF expression. PMID: 23582717 In breast cancer, IL-19 expression is correlated with increased mitotic figures, advanced tumor stage, higher metastasis, and poor survival. (Review) PMID: 23710200 IL-19 does not reduce TNF-alpha-stimulated NF-kappaB activation in Vascular endothelial cells but does decrease serine phosphorylation and cytoplasmic translocation of the mRNA stability factor HuR and significantly reduces stability of ICAM-1 and VCAM-1 mRNA. PMID: 23596173 A significant association was found between the combined genotypes of IL19GC + CC and IL20TG + GG and increased risk of vesicoureteral reflux. PMID: 23000500 subset of fetuses with fetal inflammatory response syndrome had high umbilical cord plasma IL-19 concentrations PMID: 21767236 IL-19 is overexpressed in the epithelium in Chronic rhinosinusitis with nasal polyps and increases epithelial cell proliferation. PMID: 22583192 Methylation in IL-19 is associated with Crohn's disease. PMID: 22021194 IL-19 is pivotal in the pathogenesis of breast cancer. PMID: 22186257 Interleukin-19 (IL-19) induces heme oxygenase-1 (HO-1) expression and decreases reactive oxygen species in human vascular smooth muscle cells. PMID: 22158875 protective role of gene polymorphisms in Mexican patients with ulcerative colitis PMID: 21925224 Genetic variation in adaptive immunity genes and particularly in IL19/IL20 genes associates with the development of recurrent wheeze after respiratory syncytial virus lower respiratory tract infection. PMID: 21814157 The minor allele of the IL19 rs2243188 single nucleotide polymorphism was significantly increased in vitiligo patients compared to controls. PMID: 20699607 IL-19 is mitogenic and chemotactic for endothelial cells and can induce their angiogenic potential. PMID: 20966397 Analysis of the IL-19 promoter region shows a fragment of 394 base pairs that supports luciferase activity at a level 7- to 8-fold greater than that of the negative control. PMID: 12370360 an examination of the helical crystal structure of this protein PMID: 12403790 forms stable complex with interleukin-20 receptor PMID: 14580208 IL-19 and IL-20 are synthesized by a distinct population of keratinocytes PMID: 14675174 Elevated IL-19 serum levels in asthmatic patients are positively correlated with levels of IL-4 and IL-13, and suggest that IL-19 may play a role in the pathogenesis of asthma. PMID: 15557163 We identified the sequence TGTGGT (-142 to -138) on PE1 as the binding site for the transcription factor AML1, and crucial for the promoter activity of IL-19 because substituting 1bp in the PE region (-139G-->T) abolished IL-19 promoter activity. PMID: 16631120 Data indicate that adenosine increases the release of IL-19 from bronchial epithelial cells via activation of adenosine A(2B) receptors, and IL-19 in turn activates human monocytes to release TNF-alpha, which upregulates A(2B) receptor expression. PMID: 16778150 study supports the hypothesis that variations of genes of the IL-19 subfamily of cytokines influence susceptibility to palmoplantar pustulosis PMID: 17263806 IL-19 expression in uraemic patients has a role in the Th2 immune responses and may have a role in the cytokine dysregulation in uraemia PMID: 17449492 Review. The role of IL-19 in the pathogenesis of inflammatory diseases is reviewed. PMID: 17465720 data suggest that IL-19 polymorphisms may be associated with age in a Japanese population PMID: 17522354 serum levels of IL-19 were higher in endotoxic shock patients than in healthy volunteers PMID: 18246602 IL-19 expression in vascular smooth muscle cells (VSMCs) may represent a novel, protective, autocrine response of VSMCs to inflammatory stimuli. PMID: 18669613 IL-19 was positively stained in 15 healthy tissue types & 3 major cell types: epithelial cells, endothelial cells & macrophages; several types of tumor cells stained for IL-19, especially squamous cell carcinoma of skin, tongue, esophagus & lung PMID: 18809337 A study of 54 SNPs and haplotypes in the IL10 region indicate that IL10 and IL19/IL20 may be involved in natural clearance of HCV in the African Americans while no significant associations were detected in European Americans. PMID: 15815689 IL-19 upregulates IL-4 expression and the number of IL-4 expressing CD4+ve T-cells PMID: 15120647 IL-19 induces IL-10, which in turn down-regulates IL-19. PMID: 15827959

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.

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Recombinant Human IL19 Protein

Recombinant Human IL19 Protein

Product Overview

Target Details

FAQs