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IFNL3 / IL28B / Interleukin-28B Antibody, Rabbit PAb, Antigen Affinity Purified

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Human IL28B Antibody Product Information
Immunogen:Recombinant Human IL-28B / IFN-lambda-3 protein (Catalog#11890-H08H)
Clone ID:
Ig Type:Rabbit IgG
Formulation:0.2 μm filtered solution in PBS with 5% trehalose
Preparation:Produced in rabbits immunized with purified, recombinant Human IL-28B / IFN-lambda-3 (rh IL-28B / IFN-lambda-3; Catalog#11890-H08H; NP_742151.2; Met 1-Val 196). IL-28B / IFN-lambda-3 specific IgG was purified by Human IL-28B / IFN-lambda-3 affinity chromatography.
Human IL28B Antibody Usage Guide
Specificity:Human IL-28B / IFN-lambda-3

ELISA: 0.1-0.2 μg/mL

This antibody can be used at 0.1-0.2 μg/mL with the appropriate secondary reagents to detect Human IL28B. The detection limit for Human IL28B is approximately 0.039 ng/well.

Storage:This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -70℃. Preservative-Free.
Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.
Other IL28B Antibody Products
IL-28B/IFN-lambda-3 Background

Interleukin-28B (IL-28B) also known as Interferon lambda-3 and IFN-lambda-3, belongs to the type III interferon family of cytokines and are highly similar to IL-29. IL-28B belongs to the newly described interferon lambda (IFNλ) family of cytokines. IL-28B is a cytokine with immunomodulatory activity. It functions in Up-regulating MHC class I antigen expression. IL-28B displays potent antiviral activity and antitumor activity. This cytokine serves as ligand for the heterodimeric class II cytokine receptor composed of IL10RB and IL28RA. The ligand/receptor complex seems to signal through the Jak-STAT pathway. IL-28B, like IL-12, is capable of robustly enhancing adaptive immunity. Moreover, we describe for the first time how IL-28B reduces regulatory T-cell populations during DNA vaccination, whereas IL-12 increases this cellular subset. We also show that IL-28B, unlike IL-12, is able to increase the percentage of splenic CD8+ T cells in vaccinated animals, and that these cells are more granular and have higher antigen-specific cytolytic degranulation compared with cells taken from animals that received IL-12 as an adjuvant.

Human IL-28B/IFN-lambda-3 References
  • Ge D, et al.. (2009) Genetic variation in IL28B predicts hepatitis C treatment-induced viral clearance. Nature. 461(7262): 399-401.
  • Morrow MP, et al.. (2009) Comparative ability of IL-12 and IL-28B to regulate Treg populations and enhance adaptive cellular immunity. Blood. 113(23): 5868-77.
  • Sheppard P, et al.. (2003) IL-28, IL-29 and their class II cytokine receptor IL-28R. Nat Immunol. 4(1): 63-8.