SKU: 90442255978

IL-21 Recombinant Rabbit mAb (SDT-768-227)

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Description

IL-21 Recombinant Rabbit mAb (SDT-768-227)Product Specification Host Rabbit Antigen IL 21 Synonyms Interleukin 21 Immunogen Recombinant Protein Accession Q9HBE4 Clone Number SDT 768 227 Antibody Type Recombinant mAb Isotype IgG Application Sandwich ELISA Reactivity Hu Cross Reactivity No cross reactivity against IL 2 Purification Protein A Concentration 2 mg ml Conjugation Unconjugated Physical Appearance Liquid Storage Buffer PBS pH7. 4, 0. 03% Proclin 300 Stability & Storage 12 months from

Product Specification


Host Rabbit
Antigen IL-21
Synonyms Interleukin-21
Immunogen Recombinant Protein
Accession Q9HBE4
Clone Number SDT-768-227
Antibody Type Recombinant mAb
Isotype IgG
Application Sandwich ELISA
Reactivity Hu
Cross Reactivity

No cross-reactivity against IL-2

Purification Protein A
Concentration 2 mg/ml
Conjugation Unconjugated
Physical Appearance Liquid
Storage Buffer

PBS pH7.4, 0.03% Proclin 300

Stability & Storage

12 months from date of receipt, 2 to 8 °C as supplied

Background

Interleukin-21 (IL-21) is a four-α-helical-bundle type I cytokine produced mainly by activated CD4⁺ T helper cells, NKT cells and TFH cells that signals through a heterodimeric receptor composed of the IL-21R and the common γ-chain (γc) to activate JAK1/JAK3–STAT1/STAT3 pathways, thereby orchestrating a broad immunomodulatory program that drives the differentiation, proliferation and effector function of B cells into long-lived plasma cells and memory B cells, promotes the development of Th17 and Tfh subsets while suppressing Treg stability, enhances cytotoxic activity and survival of CD8⁺ T cells and NK cells, and synergizes with IFN-γ or IL-15 to amplify antiviral and antitumor immunity, making it a key molecular hub whose dysregulation contributes to autoimmune pathologies such as systemic lupus erythematosus and type 1 diabetes and whose exogenous delivery or blockade is being therapeutically exploited in cancer immunotherapy, chronic viral infections and allergy.

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SKU: 90442255978

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Wendee Killmon
Grantham, US
★★★★★ 5
Kid loves this series
Format: Paperback
My 7 year old loves this book! We got it here because the local Library doesn’t have it in stock yet. He has spent the first few days off of school reading and was so excited!
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Reviewed in the United States on December 22, 2025
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Jennifer Brown
Alexandria, US
★★★★★ 4
Wonderful book
Format: Paperback
Great grafic novel. My grand daughter loves it.
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Reviewed in the United States on January 14, 2026
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Jacques Rois
Houston, US
★★★★★ 5
I WANT MORE
Format: Paperback
Really positive, energetic, upbeat character with interesting and balanced superpowers. Primer is a superior Ben 10 with access to three superpowers at a given time, but her powers require a suit, which is a good counterbalance. The Teen Titans are represented wonderfully and accurately. DC could turn this into an animated movie, and it would perfectly fit with the 2005 Teen Titans show. Also, Gretel Lusky's art is fascinating and charming. I want to see more of her art in Primer and other DC products. I was disappointed to see that Greta only draws the firsr chapter. Nicoletta draws the other two chapters, and her art sucks. Thankfully, the story is still engaging.
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Reviewed in the United States on November 8, 2024
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Irmina
Charlottesville, US
★★★★★ 5
I fully recommend it!
Format: Paperback
The book was great! It was full of color and my 9 year old daughter loved it!
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Reviewed in the United States on April 13, 2025
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Amazon Customer
Carnegie, US
★★★★★ 5
Great book!
Format: Paperback
Primer is a Great book! Highly recommend!
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Reviewed in the United States on May 6, 2025

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