IL 17E Rat

Interleukin-17E Rat Recombinant
Cat. No.
BT31029
Source
Escherichia Coli.
Synonyms
IL-25, IL-17E, IL17E, IL25, Interleukin-25.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis 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

Interleukin-17E Rat Recombinant produced in E.Coli is a homodimeric, non-glycosylated polypeptide chain containing 145 amino acids and having a molecular mass of 35.5 kDa.
The IL-25 Rat is purified by proprietary chromatographic techniques.

Product Specs

Introduction
IL-25, also known as IL-17E, shares sequence similarity with IL-17. IL-25 activates NF-κB, stimulating IL-8 production. Both IL-17E and IL-17B bind to the IL-17BR cytokine receptor. As a pro-inflammatory cytokine, IL-25 promotes Th2-type immune responses. Intracellular JNK, p38 MAPK, and NF-κB activity differentially regulate the upregulation of costimulation-induced IL-17E receptors and the release of cytokines and chemokines from IL-17E-treated, costimulated Th cells. Blocking IL-25 prevents airway hyperresponsiveness, a hallmark of clinical asthma. IL-25, produced by innate effector eosinophils and basophils, amplifies allergic inflammation by enhancing the persistence and function of TSLP-DC-activated adaptive Th2 memory cells. In a transgenic mouse model, IL-25 overexpression upregulates Th2 cytokine gene expression and causes growth retardation, jaundice, and multiorgan inflammation. IL-25 contributes to eosinophilic inflammation initiation and maintenance by acting on lung fibroblasts, supporting its role as a key factor in asthma pathophysiology. IL-17E amplifies TH2 cell-mediated allergic airway inflammation but does not independently induce it in vivo.
Description
Recombinant Rat Interleukin-17E, produced in E. coli, is a non-glycosylated homodimeric polypeptide chain containing 145 amino acids with a molecular weight of 35.5 kDa. The Rat IL-25 undergoes purification using proprietary chromatographic techniques.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation
Lyophilized from a 1 mg/mL solution without additives.
Solubility
Reconstitute the lyophilized Rat IL-25 in sterile 10 mM HCl at a concentration of at least 100 µg/mL. This solution can be further diluted in other aqueous solutions.
Stability
Lyophilized Rat IL-17E remains stable at room temperature for up to 3 weeks; however, it should be stored desiccated below -18°C. After reconstitution, Rat IL-25 should be stored at 4°C for 2-7 days. For long-term storage, freeze at -18°C. Adding a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
Purity exceeds 95.0% as determined by: (a) RP-HPLC analysis, and (b) SDS-PAGE analysis.
Synonyms
IL-25, IL-17E, IL17E, IL25, Interleukin-25.
Source
Escherichia Coli.
Amino Acid Sequence
CSHLPRCCPS KQQEFPEEWL KWNPAPVSPP EPLRHTHHPE SCRASKDGPL NSRAISPWSY ELDRDLNRVP QDLYHARCLC PHCVSLQTGS HMDPMGNSVP LYHNQTVFYR RPCHGEQGAH GRYCLERRLY RVSLACVCVR PRMMA.

Product Science Overview

Introduction

Interleukin-17E (IL-17E), also known as IL-25, is a member of the IL-17 cytokine family, which includes six structurally related cytokines: IL-17A, IL-17B, IL-17C, IL-17D, IL-17E, and IL-17F . These cytokines play crucial roles in immune regulation and inflammation. IL-17E is unique among its family members due to its ability to promote Th2-biased immune responses, contrasting with the Th1- and Th17-biased inflammation promoted by other IL-17 family members .

Discovery and Structure

IL-17E was first identified in the early 2000s. It shares a conserved cysteine-rich region with other IL-17 family members, which is essential for its biological activity . Despite its structural similarities with other IL-17 cytokines, IL-17E exhibits only 16% sequence homology with IL-17A .

Biological Functions

IL-17E is primarily involved in promoting Th2-type immune responses. It stimulates the production of cytokines such as IL-4, IL-5, and IL-13, which are associated with allergic reactions and helminth infections . This cytokine also plays a role in enhancing the production of IgE, a key antibody in allergic responses .

Role in Disease

IL-17E has been implicated in various diseases, particularly those involving allergic inflammation and asthma. Its ability to promote Th2 responses makes it a potential therapeutic target for conditions characterized by excessive Th2 activity . Additionally, IL-17E has been studied for its role in autoimmune diseases and cancer, although its functions in these contexts are less well understood compared to other IL-17 family members .

Recombinant IL-17E

Recombinant IL-17E (Rat) is a laboratory-produced version of the natural cytokine, used in research to study its biological functions and potential therapeutic applications. By using recombinant IL-17E, researchers can investigate its effects on immune cells and its role in various disease models, providing valuable insights into its mechanisms of action and potential clinical uses.

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