Product Details

Purity

>95% as determined by SDS-PAGE.

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 a cell proliferation assay using murine B9-11 cells is less than 1 ng/ml, corresponding to a specific activity of >1.0x10⁶ IU/mg.

Target Names

IL11

Uniprot No.

P20809

Research Area

Immunology

Alternative Names

Adipogenesis inhibitory factor; AGIF; IL 11; IL-11; Il11; IL11_HUMAN; Interleukin 11; Interleukin-11; Oprelvekin

Species

Homo sapiens (Human)

Source

E.coli

Expression Region

22-199aa

Complete Sequence

M+PGPPPGPPR VSPDPRAELD STVLLTRSLL ADTRQLAAQL RDKFPADGDH NLDSLPTLAM SAGALGALQL PGVLTRLRAD LLSYLRHVQW LRRAGGSSLK TLEPELGTLQ ARLDRLLRRL QLLMSRLALP QPPPDPPAPP LAPPSSAWGG IRAAHAILGG LHLTLDWAVR GLLLLKTRL

Mol. Weight

19.1 kDa

Protein Length

Full Length of Mature Protein

Tag Info

Tag-Free

Form

Lyophilized powder

Buffer

Lyophilized from a 0.2 µm filtered PBS, pH 7.4

Reconstitution

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Troubleshooting and FAQs

Protein FAQs

Storage Condition

Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Shelf Life

The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.

Lead Time

5-10 business days

Notes

Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Datasheet & COA

Please contact us to get it.

Description

IL-11 drives gp130-mediated JAK/STAT3 signaling with broad roles in hematopoiesis, mucosal protection, and fibrotic disease, making cytokine potency and purity critical for mechanistic studies. This tag-free recombinant human IL-11, encompassing the full mature sequence (22–199 aa), demonstrates an ED50 below 1 ng/mL in a B9-11 cell proliferation assay—corresponding to a specific activity exceeding 1.0 × 10⁶ IU/mg—which provides a suitable basis for dose-dependent proliferation assays, JAK/STAT3 phosphorylation studies, and use as a reference standard in cytokine detection platforms. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts, satisfying the purity and endotoxin criteria typical for primary immune cell differentiation experiments and in vivo models of inflammation or fibrosis. Produced in *E. coli* at greater than 95% purity by SDS-PAGE, this recombinant IL-11 protein also supports antibody validation workflows including ELISA coating and Western blot positive controls.

Target Background

Function

Cytokine that stimulates the proliferation of hematopoietic stem cells and megakaryocyte progenitor cells and induces megakaryocyte maturation resulting in increased platelet production. Also promotes the proliferation of hepatocytes in response to liver damage. Binding to its receptor formed by IL6ST and IL11RA activates a signaling cascade that promotes cell proliferation. Signaling leads to the activation of intracellular protein kinases and the phosphorylation of STAT3. The interaction with the membrane-bound IL11RA and IL6ST stimulates 'classic signaling', whereas the binding of IL11 and soluble IL11RA to IL6ST stimulates 'trans-signaling'.

Gene References into Functions

the identification of a dysregulated miR-124/IL-11 axis helps elucidate mechanisms of breast cancer metastases to bone, uncovers new prognostic markers, and facilitates the development of novel therapeutic targets to treat and even prevent bone metastases of breast cancer. PMID: 29343249
The results indicate that miR-23b regulates IL-11 and IL-11Ralpha expression, and it might act as an anti-oncogenic agent in the progression of Hepatocellular Carcinoma by directly downregulating IL-11 expression. PMID: 29901200
It has been concluded that the renal cell carcinoma risk allele at 12p12.1 maps to rs7132434, a functional variant in an enhancer that upregulates BHLHE41 expression which, in turn, induces IL-11, a member of the IL-6 cytokine family. PMID: 27384883
The results indicated that miR-124a has an important role as a tumor suppressor gene by targeting IL-11. PMID: 29286137
Studied the role of ZEB1-AS1, and it's association with IL-11, in promoting STAT3 activation in B-lymphoblastic leukemia. PMID: 28861713
Cancer-associated fibroblasts treated with cisplatin facilitate chemoresistance of lung adenocarcinoma through IL-11/IL-11R/STAT3 signaling pathway. PMID: 27922075
results reveal a central role of IL-11 in fibrosis and we propose that inhibition of IL-11 is a potential therapeutic strategy to treat fibrotic diseases PMID: 29160304
up-regulates GRP78 in the placenta PMID: 28487027
The identification of the miR-206/TWF1/MKL1-SRF/IL11 signaling pathway sheds lights on the understanding of breast cancer initiation and progression, unveils new therapeutic targets, and facilitates innovative drug development to control cancer and block metastasis PMID: 27435395
This review will discuss the available structural, functional, and bioinformatics knowledge concerning IL-11 and will summarize its relationship with several diseases PMID: 27312790
Authors found a significant correlation between NRF2 and IL-11 status in breast cancer patients. Based on a recent report demonstrating that IL-11 is induced downstream of NRF2, authors examined the significance of IL-11 in NRF2-driven tumorigenesis with a newly established NRF2 addiction cancer model. PMID: 28714957
this study shows that recombinant IL-11 is effective with tolerable adverse effects in Chinese patients with autoimmune thrombocytopenic purpura PMID: 27235596
HMGA2 promoted colorectal cancer metastasis and epithelial-mesenchymal transition via activation of the FN1 and IL11/STAT3 signaling pathways. PMID: 26964871
Together, these results suggest that the IL-11/STAT3 signaling pathway plays a critical role in human chronic atrophic gastritis , and may provide new targets to prevent and treat gastric cancer PMID: 27173233
Proteolysis of the IL-11R represents a molecular switch that controls the IL-11 trans-signaling pathway which is the target in intestinal tumorigenesis, lung carcinomas, and asthma. PMID: 26876177
IL-11 has a protective role and can accelerate recovery of platelets, and remarkably lessen the extent of inflammatory responses, hence reducing the mortality in sepsis patients accompanied with thrombocytopenia. PMID: 26276375
Results indicate that iterleukin-11 (IL11) is causal of Preeclampsia (PE) features in a mouse model and likely in women, and suggest potential of IL11 inhibition to rescue PE symptoms in women. PMID: 26655736
The cross-talk between Th17 and interleukin 11 (IL-11+)CD4+ T cells may induce and amplify the autoimmune response in the early stage of multiple sclerosis (MS), and thus represent an attractive therapeutic target in this and other inflammatory diseases. PMID: 26452137
Genetic variations of IL-11 may be associated with the risk of Hirschsprung disease and/or the mechanisms related to enteric nervous system development. PMID: 26172388
IL-11 expression in breast cancer correlates with poor disease outcome PMID: 26209885
data offer insight into the binding interactions of IL-11 with each of its receptors and the structural mechanisms underlying agonist and antagonist variants of the protein PMID: 25195742
The highly specific IL-11 - S100P interaction occurring under physiologically relevant conditions should be taken into consideration upon development of the antineoplastics inhibiting IL-11 signaling. PMID: 26551460
MTA2 overexpression enhances colony formation and tumor growth of gastric cancer cells, but not plays important role in cancer cell migration and metastasis. IL-11 is one of the downstream effectors of MTA2 in regulating gastric cancer cells growth PMID: 25929737
IL-11 stimulates BSP gene transcription. PMID: 24633490
The results prove the presence of the potentially functionally relevant IL-11 gene variants in the population of infertile women. PMID: 24635366
High expression of interleukin-11 correlated with poor prognosis in clear-cell renal cell carcinoma patients. PMID: 25702890
IL-11 is identified as a new Th17-promoting cytokine, because it induces a differentiation of naive CD4(+) T cells into Th17 cells, as well as expansion of Th17 memory cells. PMID: 25895532
Low serum interleukin-11 are associated with pancreatic cancer. PMID: 25123265
Pretreatment with rhIL-11 can reduce galactosamine-induced acute liver failure and protect the liver. PMID: 24817287
In the presence of 100 ng/ml IL-11, GATA-3 transcript abundance rose up to ~85-fold of that measured in untreated cells, whereas T-bet transcripts were lowered merely to ~41% PMID: 24338248
It Interleukin-11 (IL-11) is a pleiotropic cytokine that belongs to gp130 family. It plays a significant role in the synthesis and maturation of hematopoietic cells, inhibition of adipogenesis, regulation of embryo implantation, and trophoblasts invasion. PMID: 23631681
DNA methylation of the CpG island in the IL-11 gene is associated with response of major depressive disorder patients to antidepressant drugs. PMID: 24002086
IL-11 is associated with bone metastasis. PMID: 23813018
IL11 given orally protects the intestinal mucosa from radiation damage PMID: 24219324
IL-11 therefore drives a pathway that enhances HSPC radioresistance and radiation-induced B-cell malignancies, but is normally attenuated by the inhibitory adaptor Lnk. PMID: 24297922
Solar simulted radiation-induced Il-11 may be involved in the photoaging-induced loss of facial subcutaneous fat. PMID: 23639700
results suggest a two-step mechanism, whereby LfcinB induces TIMP-1 through an IL-11-dependent pathway involving transcription factor AP-1 and STAT3. PMID: 24036113
induction of renal proximal tubule IL-11 is a critical intermediary in A1 adenosine receptor-mediated renal protection against acute ischemic kidney injury. PMID: 23813214
the decreased ratio of IL-11/IL-17 might reflect an imbalance between the proinflammatory and anti-inflammatory cytokines in different periodontal diseases. PMID: 23226926
An interleukin-6 family member, interleukin-11 is identified as a secondary target of twinfilin 1 in the microRNA-30c signalling pathway. PMID: 23340433
Breast cancer cells may promote osteolysis in part by increasing the pool of osteoclast progenitor cells via tumor cell-derived IL-11. PMID: 23311882
Enhanced production of IL-11 is associated with hepatocellular carcinoma metastasis to bone. PMID: 23307318
IL11 is a hypoxia-inducible, VHL-regulated gene in human cancer cells and expression of IL11 mRNA is dependent, at least in part, on HIF-1. PMID: 23549086
both the PI3K and Raf pathways are necessary for the expression of IL-11 in oncogenic Ras-mutated cells PMID: 23027619
Data support the view that IL-11 is a key regulator of gastric damage acting to initiate chronic atrophic gastritis. PMID: 22180059
IL-11 administration exhibits postconditioning effects through cardiac STAT3 activation, preventing myocardial ischemia-reperfusion injury. PMID: 22707562
IL11 may be involved in endometrial cancer development PMID: 22614117
Constructed a designer cytokine Hyper IL-11 (H11), which is exclusively composed of naturally existing components. It contains the full length sIL-11Ralpha connected with the mature IL-11 protein, and acts as an agonist on cells expressing the gp130 molec PMID: 22433466
High Interleukin-11 is associated with multiple myeloma. PMID: 22289923
Bovine lactoferrin administration prevented the progression of hepatic failure in human myofibroblasts and mice, and enhanced IL-11 and BMP2 expression in the small intestine. PMID: 21688123

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Subcellular Location

Secreted.

Protein Families

IL-6 superfamily

Database Links

HGNC: 5966

OMIM: 147681

KEGG: hsa:3589

STRING: 9606.ENSP00000264563

UniGene: Hs.467304

Code	CSB-AP001801HU
Abbreviation	Recombinant Human IL11 protein (Active)
MSDS	MSDS Datasheet
Size	$354
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Recombinant Human Interleukin-11 protein (IL11) (Active)

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