SKU: 76186827737

IL-21 Recombinant Rabbit mAb (SDT-768-206)

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Description

IL-21 Recombinant Rabbit mAb (SDT-768-206)Product Specification Host Rabbit Antigen IL 21 Synonyms Interleukin 21 Immunogen Recombinant Protein Accession Q9HBE4 Clone Number SDT 768 206 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-768-206
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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Exchange/Return Notes
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SKU: 76186827737

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Jennifer_2909
Draper, US
★★★★★ 5
Fun, cute bag! Perfect for Cars lovers ♥️
Color: Disney: Cars Lightning Speed, Style: Kids Large, Color: Disney: Cars Lightning Speed, Style: Kids Large
From the reviews I thought it was going to be small, but surprisingly its the perfect size for my son. Amazing quality, great size, comfortable and bright colors! Couldn't resist and got the lunch box to match as well 😊
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Reviewed in the United States on May 23, 2026
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Verified Purchase
Amzn Reviewer
Chelsea, US
★★★★★ 5
Great size for 5 year olds!
Color: Disney: Frozen Elsa's Snowflake, Style: Kids Medium
This is a darling backpack. My daughter has been using it for a few months already and it’s pretty sturdy. The size is excellent for 5 year olds. It took me a while to find a backpack small enough that would fit her lunch box.
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Reviewed in the United States on May 9, 2026
H
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hannah
New York, US
★★★★★ 5
Perfect for my three year old!
Color: Bluey: Sky, Style: Kids Medium, Color: Bluey: Sky, Style: Kids Medium
It was officially time to transition from a diaper bag to a big girl backpack! And both my daughter and I love this backpack! It is perfect size for her and holds everything she needs for school. It’s perfect for everyday use. I think the price is fair for the quality and sturdiness! She is gonna be able to use this until kindergarten! I definitely recommend!
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Reviewed in the United States on April 17, 2026
K
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Kaylyn Marks
Draper, US
★★★★★ 5
Good quality toddler backpack
Color: Disney: Pixar Mashup on Blue, Style: Kids Medium, Color: Disney: Pixar Mashup on Blue, Style: Kids Medium
Good size toddler backpack! My son is obsessed with every character on the backpack. We got matching water bottle and lunch box too so everything is coordinated for daycare. Been using for 8 months now with no issues. Very durable. All zippers intact and work with ease.
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Reviewed in the United States on April 9, 2026
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L.M.
New York, US
★★★★★ 5
Couldn't be better!
Size: Large
Yes, these are "old lady" boxers, but you can't beat the comfort and the fact that they are all cotton with covered elastic. I usually wear a 7 in Hanes, etc. Large (or ex lg if you want them looser) fit me fine. They looked small out of the package, and even smaller after washing, but still fit. Size up if you are unsure.
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Reviewed in the United States on April 19, 2025

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