Recombinant Human Interleukin-3 (IL3) Protein (GST)

Beta LifeScience SKU/CAT #: BLC-10002P
Greater than 90% as determined by SDS-PAGE.
Greater than 90% as determined by SDS-PAGE.

Recombinant Human Interleukin-3 (IL3) Protein (GST)

Beta LifeScience SKU/CAT #: BLC-10002P
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Product Overview

Description Recombinant Human Interleukin-3 (IL3) Protein (GST) is produced by our E.coli expression system. This is a full length protein.
Purity Greater than 90% as determined by SDS-PAGE.
Uniprotkb P08700
Target Symbol IL3
Synonyms Colony stimulating factor multiple; Hematopoietic growth factor; IL 3; IL-3; IL3; IL3_HUMAN; Interleukin 3 (colony stimulating factor; multiple); Interleukin 3; Interleukin-3; Mast cell growth factor; MCGF; MGC79398; MGC79399; Multi CSF; Multilineage colony stimulating factor; Multipotential colony stimulating factor; Multipotential colony-stimulating factor; OTTHUMP00000065963; P cell stimulating factor ; P-cell-stimulating factor
Species Homo sapiens (Human)
Expression System E.coli
Tag N-GST
Target Protein Sequence APMTQTTPLKTSWVNCSNMIDEIITHLKQPPLPLLDFNNLNGEDQDILMENNLRRPNLEAFNRAVKSLQNASAIESILKNLLPCLPLATAAPTRHPIHIKDGDWNEFRRKLTFYLKTLENAQAQQTTLSLAIF
Expression Range 20-152aa
Protein Length Full Length of Mature Protein
Mol. Weight 42.1kDa
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 Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages.; This CSF induces granulocytes, macrophages, mast cells, stem cells, erythroid cells, eosinophils and megakaryocytes.
Subcellular Location Secreted.
Protein Families IL-3 family
Database References

HGNC: 6011

OMIM: 147740

KEGG: hsa:3562

STRING: 9606.ENSP00000296870

UniGene: PMID: 29554544

  • The present study demonstrates for the first time that IL-3 has an important role in enhancing the migration of human MSCs through regulation of the CXCR4/SDF-1alpha axis. These findings suggest a potential role of IL-3 in improving the efficacy of MSCs in regenerative cell therapy. PMID: 28705238
  • These results indicate that IL-3 regulates endothelial cells-extracellular vesicles release, cargo and IL-3 angiogenic paracrine action via STAT5. PMID: 27157262
  • T-GM-CSF and -IL-3 significantly, and reciprocally, blunted receptor binding and myeloid progenitor cell proliferation activity of both FL-GM-CSF and -IL-3 in vitro and in vivo PMID: 28344320
  • Results show that IL-3 induces several signaling pathways associated with increased cell survival under oxidative stress. This activity correlates with previous fi ndings indicating glucose uptake stimulation by IL-3, which together contribute to an emerging picture of a broader mechanism promoting cell survival. PMID: 27862234
  • The IL-3/ GM-CSF effected on the myofibroblastic differentiation of human adipose derive stromal cells (hASCs) as well as it did on human dermal fibroblasts (HDFs). PMID: 28377320
  • Genetically engineered mesenchymal stromal cells produce IL-3 and TPO to further improve human scaffold-based xenograft models PMID: 28456746
  • IL-3 hardly down-regulates the alpha-chain of its receptor without depleting the common beta-chain, which enables extraordinarily sustained signaling events, predominantly the activation of Stat5. PMID: 27443880
  • genetic polymorphisms in the immune genes IL-3 rs181781 and CTLA4 rs4553808 may influence the TAC dose-adjusted concentrations PMID: 28112181
  • Our results indicated that the IL-3 and IL-13 polymorphisms were not associated with rheumatoid arthritis (RA). stratification analyses suggested that the IL-13 rs1800925 CT and CT/CC genotypes increased the risk of RA in patients with erythrocyte sedimentation rate (ESR) <25.00. these findings suggest that the IL-13 rs1800925 C/T polymorphism may be associated with increased risk of RA in ESR PMID: 27323078
  • results suggest that IL-3 and IL-12p40 could be considered as molecular predictors for recurrent wheezing due to RSV infection PMID: 26299549
  • results suggest that IL3 is an important genetic regulator for human brain volume variation and implied that IL3 might have experienced weak or modest positive selection in the evolutionary history of humans PMID: 26875095
  • Thymic stromal lymphopoietin activation of basophils in patients with allergic asthma is IL-3 dependent PMID: 25962901
  • were not able to confirm the association of IL-3 SNPs with schizophrenia. PMID: 26277822
  • findings showed that high plasma IL-3 levels are associated with high mortality in sepsis PMID: 25766237
  • Genetic variation in interleukin-3 gene is associated with breast cancer risk. PMID: 24670917
  • results suggest that HuR recognizes the ARE-rich region in the IL-3 3'-UTR and plays a role in the IL-3 3'-UTR-mediated post-transcriptional control in T-cells PMID: 24658545
  • A single nucleotide polymorphism (SNP; rs20541) in the IL-13 gene has been recognized as a risk factor for asthma. PMID: 23978640
  • This study is the first to link beta-catenin activation to IL-3 and suggests that targeting IL-3 signaling may be an effective approach for the inhibition of beta-catenin activity in some patients with AML. PMID: 24598054
  • IL3 SNP rs40401 is significantly associated with the risk of asthma in young adult Japanese women. PMID: 24684517
  • This is the first study to show a significant positive association between IL3 SNP rs40401 variant and the risk of rhinoconjunctivitis. PMID: 23953855
  • IL3 rs2073506 G>A polymorphism is associated with an increased risk for esophageal cancer of nodal and metastatic stages. PMID: 23726808
  • Genetic variation in the IL3 promoter affects human brain volume by regulating proliferation and survival of neural progenitors. PMID: 23226269
  • Transgenic mice are used to study the developmental regulation of the closely linked IL-3 and granulocyte-macrophage colony stimulting factor (GM-CSF) locus and to identify DNA enhancer elements required for its correct activity in vivo. PMID: 23024272
  • data indicate that within microenvironments rich in betac-family cytokines and TNF, eosinophils are a source of proMMP-9 and highlight a previously unrecognized role for synergistic interaction between TNF and betac-family cytokinea, for proMMP-9 synthesis PMID: 22321809
  • This study demonistrated that Carriers of the minor allele for a single nucleotide polymorphism in IL13 (rs1295686) were more likely to report breast pain prior to surgery (P = .019). PMID: 22515947
  • an IL-3 autocrine loop can drive a tumor endothelial switch and that targeting IL-3 might confer a significant therapeutic advantage to hamper tumor angiogenesis PMID: 21643009
  • IL-3 provides cellular protection against amyloid-beta neurotoxicity in primary cortical neuronal cells and may play a neuroprotective role in Alzheimer's disease. PMID: 20964623
  • The IL3 genotypes rs40401 and rs40401 were found to exert a protective effect against malaria attacks. PMID: 21224257
  • Data indicate a role for PLCgamma2 and Ca(2+) signaling through the modulation of MEK/ERK in IL3/GM-csf stimulated human hematopoietic stem/progenitor cells. PMID: 21506110
  • The interaction of 6-locus from the 5 interleukin genes might confer higher risk for graves'disease and Graves'ophthalmopathy than single risk allele. PMID: 20332709
  • IL-3 genotypes of 60 acute rejection (AR) subjects and the 270 patients without AR demonstrated a significant relationship between genotype frequencies and the SNPs PMID: 21168724
  • Human IL-3/GM-CSF knock-in mice support human alveolar macrophage development and human immune responses in the lung. PMID: 21262803
  • propose that RhoH functions as a negative regulator for IL3-induced signals through modulation of the JAK-STAT pathway PMID: 20738848
  • the domain 1 D-E loop disulfide of hbetac and beta(IL-3) in maintaining the precise positions of ligand-binding residues necessary for normal high affinity binding and signaling PMID: 20516062
  • Two different modes of beta c binding are utilized in the presence of the hIL-3R alpha isoforms. PMID: 20472554
  • a novel role for VPA in enhancing the potential of IL-3 to stimulate megakaryopoiesis as well as erythropoiesis PMID: 20381581
  • The IL-3/GM-CSF locus undergoes progressive stages of activation, with stepwise increases in active modifications and the proportion of cytokine-expressing cells, throughout the course of T cell differentiation. PMID: 20147630
  • IL-3 and oncogenic Abl regulate the myeloblast transcriptome by altering mRNA stability PMID: 19829692
  • binding kinetics of native IL-3 and several variants to IL-3 receptor PMID: 11700046
  • IL-3 induces MHC class II and B7.2 expression on eosinophils and renders them capable of supporting T cell proliferation to superantigen and antigen-derived peptides. PMID: 11714768
  • inhibition of signaling by antisense oligodeoxynucleotides targeting the common beta chain of receptors PMID: 11763346
  • ectopically expressed in myeloid leukemic cells with t(5;12)(q31;p13), suggesting that expression of IL3 was deregulated by the translocation, indicating a variant leukemogenic mechanism for translocations involving the 5' end of ETV6 PMID: 11861295
  • Antiapoptotic cytokine IL-3 + SCF + FLT3L influence on proliferation of gamma-irradiated AC133+/CD34+ progenitor cells. PMID: 12002675
  • Monocytes cultured in the presence of IL-3 (plus IL-4) differentiate into dendritic cells that produce less IL-12 and shift T helper (Th) cell responses toward a Th2 cytokine pattern. PMID: 12055233
  • Data suggest that increased activity of mutated interleukin 3 is due to a change from a rare ligand to a common one, allowing the increase in IL-3-dependent signaling. PMID: 12093816
  • role in potentiating hematopoietic cell migration PMID: 12135758
  • The IL-3 gene is regulated by two enhancers that have distinct but overlapping tissue specificities. PMID: 12165512
  • WEHI-3B-derived IL-3 stimulation of mcl-1 gene transcription through the SIE motif involves phosphorylation of PU.1 at serine 142 by a p38(MAPK)-dependent pathway. PMID: 12612065
  • Incubation of eosinophils with IL-3 leads to reduced expression of IL-5R alpha which is sustained for up to 5 days; in contrast, expression of IL-3R alpha is increased by IL-3, whereas GM-CSF receptor alpha expression in eosinophils is unaffected by IL-3. PMID: 12759409

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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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