Recombinant Human Interleukin-1 Beta Protein (IL1B) Protein (His)

Name: Recombinant Human Interleukin-1 Beta Protein (IL1B) Protein (His)
Brand: Beta LifeScience
SKU: BLC-01150P
Price: 349.0 USD
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

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

Price Save $49

Size

100ug

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Product Overview

Description	Recombinant Human Interleukin-1 Beta Protein (IL1B) Protein (His) is produced by our E.coli expression system. This is a protein fragment.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P01584
Target Symbol	IL1B
Synonyms	(IL-1 beta)(Catabolin)
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His
Target Protein Sequence	APVRSLNCTLRDSQQKSLVMSGPYELKALHLQGQDMEQQVVFSMSFVQGEESNDKIPVALGLKEKNLYLSCVLKDDKPTLQLESVDPKNYPKKKMEKRFVFNKIEINNKLEFESAQFPNWYISTSQAENMPVFLGGTKGGQDITDFTMQFVSS
Expression Range	117-269aa
Protein Length	Partial
Mol. Weight	21.5 kDa
Research Area	Immunology
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
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	Potent proinflammatory cytokine. Initially discovered as the major endogenous pyrogen, induces prostaglandin synthesis, neutrophil influx and activation, T-cell activation and cytokine production, B-cell activation and antibody production, and fibroblast proliferation and collagen production. Promotes Th17 differentiation of T-cells. Synergizes with IL12/interleukin-12 to induce IFNG synthesis from T-helper 1 (Th1) cells. Plays a role in angiogenesis by inducing VEGF production synergistically with TNF and IL6.
Subcellular Location	Cytoplasm, cytosol. Lysosome. Secreted, extracellular exosome. Secreted.
Protein Families	IL-1 family
Database References	HGNC: 5992 OMIM: 147720 KEGG: hsa:3553 STRING: 9606.ENSP00000263341 UniGene: Hs.126256
Tissue Specificity	Expressed in activated monocytes/macrophages (at protein level).

Gene Functions References

a genome wide association study for "high" gingival crevicular fluid IL-1beta expression among 4910 European-American adults and identify association signals in the IL37 locus, is reported. PMID: 30206230
Treatment with 30 microg/ml curcumin significantly down-regulated mRNA expression of IL-1beta (p < .05) and protein production of IL-6 (p < .05) in M1 macrophages from Behcet's disease patients but not in M1 macrophage from controls. PMID: 29806793
pp65 mediates human cytomegalovirus immune evasion through downmodulation of IL-1beta. PMID: 30332797
The children in the acute phase of Kawasaki disease had a significantly higher level of IL-1beta than the healthy control group . PMID: 30022755
circSEMA4B serves as a miR-431 sponge to compete with SFRP1 or GSK-3beta for miR-431 binding, thus inhibiting IL-1beta-induced nucleus pulposus degenerative process in intervertebral disc degeneration. PMID: 30251693
IL-1beta-511TT genotype may influence the development of antiretroviral-associated hepatotoxicity and its severity in alcohol and nevirapine users independently and in combination. PMID: 29849489
Impairment in TNF, IL-1beta, and IL-17 production upon stimulation with mycobacterial antigens may contribute to the increased susceptibility to M. tuberculosis infection observed in HTLV-1 infected individuals. PMID: 29523325
rs16944 minor A allele less frequent in type-2 diabetes mellitus PMID: 28634744
This study demonstrated significant differences in the blood levels of IL-1 beta between people with epilepsy and healthy subjects. PMID: 30140987
Polymorphisms of IL-1betab and TNF-a are not a risk of ICC, but an individual with O. viverrini infection has an effect on all genotypes of the TNF-alpha gene that might promote intrahepatic cholangiocarcinoma . Primary prevention of intrahepatic cholangiocarcinoma in high-risk areas is based on efforts to reduce O. viverrini infection. PMID: 30139338
Melatonin inhibits epithelialtomesenchymal transition in gastric cancer cells via attenuation of IL1beta/NFkappaB/MMP2/MMP9 signaling. PMID: 30066836
Study findings suggest that both promoter and exon polymorphisms of IL-1B gene have a significant role in the risk of developing Graves' disease (GD), whereas IL-1RN-VNTR variant has no association with GD in North India Kashmiri population. PMID: 29454070
The IL-6 expression was consistently associated with necrotizing fasciiitis severity, whereas IL1B had the strongest association with 30-day mortality. PMID: 28176831
Taken together, the silencing of H4R inhibited the H4R mediated Mast cell functions and SAPK/JNK phosphorylation. Furthermore, the H4R activation utilized SAPK/JNK signaling pathway for IL-1beta release in HMC-1 cells PMID: 29863427
IL-1beta/IL-6 network is highly expressed in the colorectal cancer (CRC) microenvironment, indicating that this network is important in the progression of CRC PMID: 29803656
Colombian individuals with high African ancestry proportions at locus 2q14 harbour more IL1B-CGTC copies and are consequently at an increased risk of colorectal cancer. PMID: 28157220
Study found a statistically significant association between the IL-1B rs16944 polymorphism and febrile seizures (FS) risk in Caucasians and Asians. The TT+CT genotypes were associated with a 1.43 times increased risk for FS in Caucasians, while an increased risk of 1.39 times was observed for FS development for the TT homozygotes in Asians. PMID: 29808330
Preincubation of LAD2 cells with the natural flavonoid methoxyluteolin (1-100 mM) inhibits (P < 0.0001) secretion and gene expression of IL-1beta, procaspase-1, and pro-IL-1beta. Mast cell secretion of IL-1beta in response to SP and IL-33 reveals targets for the development of antiinflammatory therapies. PMID: 30232261
in Caco-2 CFTR-shRNA cells, the EGFR ligand EREG is overexpressed due to an active IL-1beta autocrine loop that indirectly activates EGFR, constituting new signaling effectors for the CFTR signaling pathway, downstream of CFTR, Cl(-) , and IL-1beta. PMID: 29091309
Caspase-1-dependent IL-1beta processing and secretion require the AIM2 inflammasome pathway in human dental pulp cells and the AIM2 inflammasome pathway is critical for regulation of the dental pulp immune response. PMID: 29178062
Genetic Polymorphisms of IL1B, IL6, and TNFalpha in a Chinese Han Population with Pulmonary Tuberculosis. PMID: 29888256
Our results demonstrate that in the early stage of sepsis, JMJD3 contributes to high levels of neutrophil mPR3 expression and thereby to the production of the inflammatory cytokine IL-1beta PMID: 29621735
In the current study, we found a clear inflammagenesis gene signature in COPD small airway epithelium, with increased gene expression of CCL2, CCL7, IL1B and IL1R2 in lung small airway epithelial cells. We provide evidence for IL1B as a novel player in inflammation. PMID: 29616282
The results of this study suggested that rs16944 of IL-1 beta may act as a risk factor for multiple system atrophy. PMID: 29251119
IL-1 role in cardiovascular diseases [review] PMID: 29549570
Sendai Virus V Protein Inhibits the Secretion of Interleukin-1beta by Preventing NLRP3 Inflammasome Assembly. PMID: 30021903
This study suggested that -511 C/T (rs16944) and -31 C/T (rs1143627) polymorphisms in IL-1beta gene may not be involved in RPL in Iranian Azeri women. Also the promoter polymorphism of the IL-1RN gene may not play a role in the susceptibility to RPL. PMID: 29281611
IL-1beta and CTHRC1 are upregulated in patients with Osteoarthritis. PMID: 29393342
our observations indicated that IL-1beta-mediated NF-kappaB signaling augments the osteosarcoma cell growth via modulating MiR-376c/TGFA axis PMID: 29441940
Insulin resistance correlates positively with IL-1beta among non-diabetic hemodialysis patients. PMID: 29436520
The baseline concentrations of IL-6 and IL-1beta were significantly higher in the Major Depressive Disorder group than those in the control group. There was no significant difference of TNF-alpha between the two groups. PMID: 29587166
The genetic association between the studied SNPs of the IL-1beta gene and recurrent apththous stomatitis remains controversial and requires further investigation. PMID: 28942153
The rs16944 TT genotype of Il-1 beta is associated with mesial temporal lobe epilepsy with hippocampal sclerosis development what may be explained by the higher IL-1beta levels produced by this genotype. PMID: 28675059
Our meta-analysis proved that IL-1beta + 3954C/T is associated with MI susceptibility, especially among Caucasian populations. PMID: 30045312
In this longitudinally monitored male population, observed effect of baseline central adiposity on future periodontitis progression is conditional on proinflammatory IL-1 genetic variations. PMID: 27541081
In Pakistani population, an increased risk of gastric cancer development is associated with the carriage of IL-1B-511*T and IL-1RN*2 alleles PMID: 28110439
This study revealed that the P2X7R/NLRP3 pathway plays important roles in IL-1beta secretion and inhibition of Toxoplasma gondii proliferation in small intestinal epithelial cells. PMID: 29291748
These results indicate that tumorderived IL1beta enhanced stromal glycolysis and induced oneway lactate flow from the tumor mesenchyme to transformed epithelium, which promotes oral squamous cell carcinoma cell proliferation PMID: 29207019
Therefore, the common allergen Der f1 was not only found to induce allergy, but also led to pyroptosis and IL1beta secretion via the NLRP3caspase1 inflammasome in human bronchial epithelial cells PMID: 29207030
Increased production of IL-1beta in the gut-associated lymphoid tissue and peripheral blood of HIV infected patients. PMID: 29672590
IL-1beta is involved in the regulation of OPN levels during respiratory syncytial virus infection. PMID: 29677209
Sequencing results of samples from different individuals discovered that polymorphisms on the loci 154 and 486 significantly increased the risks of obstructive sleep apnea syndrome and affected IL-1beta protein expression. However, we did not conduct in-depth research PMID: 28742193
sauchinone inhibited inflammatory response in IL-1beta-stimulated human chondrocytes probably through inhibiting the activation of NF-kappaB signaling pathway. These data suggest that sauchinone may be a potential agent in the treatment of OA. PMID: 29356224
VPS4B might facilitate chondrocyte apoptosis in Osteoarthritis via p38 MAPK signaling pathway. PMID: 28744712
this study shows that IL-1beta limits the level of NK cell activation by inducing apoptosis and suppression as a homeostatic regulatory function PMID: 27086951
Higher IL-1beta levels are associated with post-stroke depression at 2 weeks in the presence of the -511T allele with a borderline significant interaction term and with any +3953C/T polymorphism without a significant interaction term. PMID: 28844626
In multivariate analysis, the IL1B rs16944 TT and TNF rs1799964 TC genotypes were significantly associated with intrauterine cytomegalovirus infection. Twenty-two out of 72 congenitally infected newborns had confirmed sensorineural hearing loss. Carriers of CT or TT genotype of CCL2 rs13900 had increased risk of hearing loss at birth and at 6 months of age. PMID: 28501927
TNFalpha and IL-1beta mediated expression of E-selectin preferentially attract sialyl Lewis(X) mediated mucosal-associated invariant T cell migration into the synovial fluid of rheumatoid arthritis patients. PMID: 28756336
These data indicate a process of NF-kappaB-induced miR-506 suppression and JAG1 upregulation upon IL-1beta induction. PMID: 28926924
Effective IL1beta and CCL2 antagonists are currently in clinical review to treat benign inflammatory disease, and their transition to the cancer clinic could have a rapid impact PMID: 28790030

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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.

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