IL-2 Canine

Interleukin-2 Canine Recombinant
Cat. No.
BT12024
Source

Escherichia Coli.

Synonyms

Interleukin-2, IL-2, T-cell growth factor, TCGF.

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

Interleukin-2 Canine Recombinant produced in E. coli is a non-glycosylated monomer chain containing 136 amino acids and having a molecular mass of 15.6kDa.

IL-2 is purified by proprietary chromatographic techniques.

Product Specs

Introduction
Interleukin-2 (IL-2) is a cytokine crucial for the growth and differentiation of T and B lymphocytes. Its receptor is a heterotrimeric complex, with the gamma chain shared by IL-4 and IL-7 receptors. Interestingly, IL-2 expression in mature thymocytes is monoallelic, representing a unique regulatory mechanism for precise gene expression control.
Description
Recombinant Canine Interleukin-2, produced in E. coli, is a non-glycosylated monomeric protein with a molecular weight of 15.6 kDa. It comprises 136 amino acids and is purified using proprietary chromatographic methods.
Physical Appearance
White, lyophilized powder, sterile-filtered.
Formulation
The protein is lyophilized from a sterile solution containing 20 mM sodium bicarbonate at pH 8.5. The solution is filtered through a 0.2 μm filter before lyophilization.
Solubility
Reconstitute the lyophilized IL-2 in sterile 10 mM sodium bicarbonate (pH 8.5) at a concentration of 0.1 mg/mL. This solution can be further diluted in other aqueous solutions as needed.
Stability
Lyophilized IL-2 remains stable at room temperature for up to 3 weeks. However, for long-term storage, store desiccated below -18°C. After reconstitution, store IL-2 at 4°C for 2-7 days. For longer storage, freeze below -18°C, avoiding repeated freeze-thaw cycles.
Purity
Purity is determined to be greater than 95% by SDS-PAGE analysis.
Biological Activity
The ED50, determined by CTLL-2 cell proliferation assay, is less than 5 ng/ml. This corresponds to a specific activity greater than or equal to 2.0 x 10^5 units/mg.
Synonyms

Interleukin-2, IL-2, T-cell growth factor, TCGF.

Source

Escherichia Coli.

Amino Acid Sequence

MAPITSSSTK ETEQQMEQLL LDLQLLLNGV NNYENPQLSR MLTFKFYTPK KATEFTHLQC LAEELKNLEE VLGLPQSKNV HLTDTKELIS NMNVTLLKLK GSETSYNCEY DDETATITEF LNKWITFSQS IFSTLT.

Product Science Overview

Introduction

Interleukin-2 (IL-2) is a cytokine that plays a crucial role in the immune system by promoting the growth, differentiation, and survival of certain immune cells. It was initially identified as a T cell growth factor, but its functions extend to other cell types, including B cells, natural killer (NK) cells, and monocytes/macrophages . The recombinant form of canine IL-2 is produced using genetic engineering techniques, primarily in Escherichia coli (E. coli) bacteria .

Production and Structure

Recombinant canine IL-2 is typically produced in E. coli as a non-glycosylated polypeptide chain. The production process involves inserting the gene encoding canine IL-2 into E. coli, which then expresses the protein. The recombinant protein is purified using proprietary chromatographic techniques to ensure its purity and functionality .

The recombinant canine IL-2 produced in E. coli is a single, non-glycosylated polypeptide chain containing 136 to 160 amino acids, depending on the specific production method. It has a molecular mass ranging from 15.6 kDa to 18.1 kDa . Some versions of the recombinant protein may include additional tags, such as a His-tag, to facilitate purification .

Biological Activity

Recombinant canine IL-2 retains the biological activity of the native protein. It can induce the proliferation of T cells and other immune cells, demonstrating its functional activity . This makes it a valuable tool for research and therapeutic applications, particularly in the field of veterinary medicine.

Applications

The primary applications of recombinant canine IL-2 include:

  1. Research: It is used in various immunological studies to understand the role of IL-2 in the canine immune system. Researchers use it to investigate the mechanisms of T cell activation, proliferation, and differentiation.
  2. Therapeutics: Recombinant canine IL-2 has potential therapeutic applications in treating immune-related disorders in dogs. It can be used to enhance the immune response in cases of infections, cancer, and other diseases where immune modulation is beneficial.
  3. Diagnostics: It can be used in diagnostic assays to measure the levels of IL-2 or to assess the functional status of the immune system in dogs.

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