IL35 Human

Interleukin-35 Human Recombinant
Cat. No.
BT14505
Source
HEK 293 cells.
Synonyms
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% as determined by 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

IL35 Human Recombinant produced in HEK 293 cells is comprised of a p35 subunit from IL-12 (Accession # p29459) and a EBI3 (Accession # q14213) subunit from IL-27. IL35 is a heterodimeric polypeptide chain containing 442 amino acids, with a predicted molecular weight of 49 kDa. From N terminus to C terminus, the molecule is comprised of a poly His tag, the EBI3 subunit, a G rich linker and the p35 subunit.

Product Specs

Introduction
Interleukin-35 (IL-35) is a protein composed of two subunits, p35 from IL-12 and EBI3 from IL-27. It is produced by immune cells like regulatory T cells and macrophages, primarily in response to inflammation. IL-35 acts as an anti-inflammatory agent by activating regulatory T cells and suppressing the activity of pro-inflammatory Th17 cells.
Description
Recombinant human IL-35 is a protein produced in HEK 293 cells. It consists of the p35 subunit of IL-12 and the EBI3 subunit of IL-27, linked together. The molecule has a molecular weight of 49 kDa and contains a poly-histidine tag for purification purposes. The amino acid sequence includes the EBI3 subunit, a glycine-rich linker, and the p35 subunit.
Physical Appearance
White, lyophilized powder that has been sterilized by filtration.
Formulation
Lyophilized from a solution containing 10mM Na2PO4 (pH 7.5) and 30mM NaCl.
Solubility
Reconstitute the lyophilized IL35 in sterile 18 megaohm-cm water to a concentration of at least 100 micrograms per milliliter. This solution can then be further diluted in other aqueous solutions.
Stability
Lyophilized IL35 is stable at room temperature for up to 3 weeks. For long-term storage, store desiccated below -18 degrees Celsius. Reconstituted IL35 should be stored at 4 degrees Celsius for 2-7 days or below -18 degrees Celsius for future use. Adding a carrier protein like HSA or BSA (0.1%) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
Purity greater than 95% as determined by SDS-PAGE analysis.
Source
HEK 293 cells.
Amino Acid Sequence
EBI3 subunit:
RKGPPAALTL PRVQCRASRY PIAVDCSWTL PPAPNSTSPV SFIATYRLGM AARGHSWPCL QQTPTSTSCT ITDVQLFSMA PYVLNVTAVH PWGSSSSFVP FITEHIIKPD PPEGVRLSPL AERQLQVQWE PPGSWPFPEI FSLKYWIRYK RQGAARFHRV GPIEATSFIL RAVRPRARYY VQVAAQDLTD YGELSDWSLP ATATMSLGK
p35 subunit:
RNLPVATPDP GMFPCLHHSQ NLLRAVSNML QKARQTLEFY PCTSEEIDHE DITKDKTSTV EACLPLELTK NESCLNSRET SFITNGSCLA SRKTSFMMAL CLSSIYEDLK MYQVEFKTMN AKLLMDPKRQ IFLDQNMLAV IDELMQALNF NSETVPQKSS LEEPDFYKTK IKLCILLHAF RIRAVTIDRV MSYLNAS

Product Science Overview

Discovery and Structure

IL-35 was discovered almost simultaneously by Niedbala and Collison . It was initially named at the 13th International Congress of Immunology. The structure of IL-35 is unique within the IL-12 family, as it is formed by the combination of the p35 and Ebi3 subunits connected by a disulfide bond . Other members of the IL-12 family, such as IL-12, IL-23, and IL-27, are also heterodimeric glycoproteins formed with different combinations of α and β chains .

Secretion and Function

IL-35 is primarily produced by regulatory T cells (Tregs) and has been shown to be essential for maximizing the inhibitory role of Tregs . Recent studies suggest that regulatory B cells (Bregs) also produce IL-35, and recombinant IL-35 (rIL-35) fusion proteins can induce Bregs to secrete IL-10 and IL-35 . IL-35 plays a crucial role in immune regulation by inhibiting the function of effector T cells and promoting the generation of regulatory T and B cells .

Therapeutic Potential

The immunosuppressive properties of IL-35 make it a promising candidate for therapeutic applications in various diseases. IL-35 has been shown to play a role in the development of autoimmune diseases and cancer . It is overexpressed in a variety of cancers and may exert its function both on antitumor immune responses and directly on tumor cells . As such, IL-35 is rapidly emerging as a promising biomarker and an attractive target for cancer therapy .

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