IL36B Human

Interleukin-36 Beta Human Recombinant
Cat. No.
BT16141
Source
Escherichia Coli.
Synonyms
Interleukin 36 beta, interleukin 1 family member 8 (eta), Interleukin-1 homolog 2, IL1F8 (Canonical product IL-1F8a), IL-1F8 (FIL1-eta), Interleukin-1 Superfamily e, IL1H2, MGC126880, MGC126882.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

IL36B Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 157 amino acids and having a molecular mass of 17.7kDa.
The IL36B is purified by proprietary chromatographic techniques.

Product Specs

Introduction
Human Interleukin-36 beta (IL-36b) is a cytokine belonging to the IL-1 family, which includes key mediators of inflammation and immunity. IL-36b shares structural similarities with other IL-1 family members, adopting a characteristic beta-trefoil configuration. It is secreted by various immune cells, such as monocytes and B cells, and its biological activity is mediated through the IL-1 receptor complex, specifically involving IL-1Rrp2 and IL-1RAcP. Upon binding to its receptor, IL-36b initiates signaling cascades that activate NF-kB and MAPK pathways, ultimately contributing to inflammatory responses.
Description
Recombinant human IL-36b is produced in E. coli and undergoes purification to obtain a single, non-glycosylated polypeptide chain. This protein comprises 157 amino acids with a molecular weight of 17.7 kDa. Purification is achieved using proprietary chromatographic techniques.
Physical Appearance
Sterile Filtered White lyophilized powder.
Formulation
The protein is lyophilized from a 0.2 µm filtered solution in phosphate-buffered saline (PBS) at a pH of 7.4.
Solubility
To reconstitute the lyophilized IL-36b, it is recommended to dissolve it in sterile 18 megaohm-cm (MΩ·cm) water to a concentration of at least 100 µg/ml. This solution can be further diluted in other aqueous solutions.
Stability
Lyophilized IL-36b remains stable at room temperature for up to three weeks. However, for long-term storage, it is recommended to store the lyophilized product desiccated at a temperature below -18°C. After reconstitution, the IL-36b solution should be stored at 4°C for no more than 7 days. For extended storage, freeze the reconstituted IL-36b below -18°C. Repeated freezing and thawing cycles should be avoided.
Purity
The purity of the IL-36b is determined to be greater than 95% as assessed by SDS-PAGE analysis.
Biological Activity
The biological activity of IL-36b is evaluated by its ability to bind to recombinant human IL-1 Rrp2 Fc Chimera using a functional ELISA assay.
Synonyms
Interleukin 36 beta, interleukin 1 family member 8 (eta), Interleukin-1 homolog 2, IL1F8 (Canonical product IL-1F8a), IL-1F8 (FIL1-eta), Interleukin-1 Superfamily e, IL1H2, MGC126880, MGC126882.
Source
Escherichia Coli.
Amino Acid Sequence
MNPQREAAPK SYAIRDSRQM VWVLSGNSLI AAPLSRSIKP VTLHLIACRD TEFSDKEKGN MVYLGIKGKD LCLFCAEIQG KPTLQLKEKN IMDLYVEKKA QKPFLFFHNK EGSTSVFQSV SYPGWFIATS TTSGQPIFLT KERGITNNTN FYLDSVE

Product Science Overview

Structure and Activation

IL-36β is synthesized as an inactive precursor and requires proteolytic processing for activation. This processing typically involves the removal of the N-terminal propeptide, which is necessary for the cytokine to become biologically active . The active form of IL-36β binds to the IL-36 receptor (IL-36R), which then recruits the IL-1 receptor accessory protein (IL-1RAcP) to form a signaling complex. This complex activates intracellular signaling pathways, including NF-κB and MAPK, leading to the production of pro-inflammatory cytokines .

Expression and Function

IL-36β is primarily expressed in epithelial cells, including keratinocytes in the skin, as well as in various immune cells such as dendritic cells and macrophages . It is upregulated in response to inflammatory stimuli and plays a crucial role in the immune response by promoting the activation and polarization of T cells and dendritic cells .

In the skin, IL-36β contributes to the inflammatory response and is involved in the pathogenesis of several skin disorders, including psoriasis. It enhances the Th17/Th23 axis, which is known to be dysregulated in psoriatic lesions . IL-36β is also expressed in other tissues, such as the lungs, intestines, and joints, where it may play roles in various inflammatory conditions .

Clinical Implications

The dysregulation of IL-36β has been implicated in several inflammatory diseases. For instance, mutations in the IL-36Ra gene, which encodes the antagonist of IL-36β, are associated with generalized pustular psoriasis, a severe and potentially life-threatening skin condition . Additionally, elevated levels of IL-36β have been observed in psoriatic plaques compared to healthy skin .

Therapeutic strategies targeting IL-36β are being explored for the treatment of inflammatory diseases. Anti-IL-36 antibodies have shown promise in preclinical models of psoriasis, where they attenuate skin inflammation . These findings suggest that IL-36β could be a potential therapeutic target for managing inflammatory conditions.

Recombinant IL-36β

Recombinant human IL-36β is produced using various expression systems, including E. coli. The recombinant protein is typically purified to high levels of purity and is used in research to study its biological functions and potential therapeutic applications . It is available in both carrier-free and carrier-containing formulations, depending on the intended use .

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