SKU: 92129663146

IL-21 Recombinant Rabbit mAb (SDT-768-207)

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Description

IL-21 Recombinant Rabbit mAb (SDT-768-207)Product Specification Host Rabbit Antigen IL 21 Synonyms Interleukin 21 Immunogen Recombinant Protein Accession Q9HBE4 Clone Number SDT 768 207 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-768-207
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: 92129663146

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4.2 ★★★★★
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Naomi L.
Phoenix, US
★★★★★ 5
Wonderful
Super comfy and easy on and off, yet stylish imo! I could walk miles in these as a 56 yo and have worn them for three years! I hope they never stop making them. The only tweek I would suggest is to cover the footbed with leather or suede not cloth so they would last longer!
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Reviewed in the United States on April 15, 2026
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Johsz Family
Louisville, US
★★★★★ 5
Great value and super comfy!
Size: 7, Color: Sand
These shoes are so comfortable and my new go to for summer. They are lightweight and fit like a glove. Great value
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Reviewed in the United States on May 25, 2026
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Kindle Customer
Charlottesville, US
★★★★★ 5
Lovely sandals!
I highly recommend! These are so comfortable! Right out of the box, they can be worn all day. The velcro-adjustable straps are great for making for a perfect fit. The aren't clunky to wear, even though they appear to be. They're super cute, in my opinion. The sock liner is textile, so feet feel good all day, not slimy, like leather and suede can sometimes make feet feel if socks aren't worn.
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Reviewed in the United States on March 17, 2026
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Pamela
Charlottesville, US
★★★★★ 5
Cute and Comfortable
Size: 10, Color: Black
This is my second pair. I bought the sand color at my local Macy's. I got their last pair. I have issues with back pain and ankle swelling and pain. These are so comfortable I had to get them in Black. The adjustable straps are great. My feet are a little bit wider because of the swelling issues. So if you have very narrow feet these might be a little big. You might want to go down a half a size. But otherwise I wear a size 10 and they fit perfectly. I don't think the picture does the color justice. The black almost looks like velvet, it's very deep and rich. I wore them out today for the first time and got lots of compliments. The footbed is very comfortable with the memory foam. Lots of support. I noticed my back and ankle pain is much better wearing these. I've never owned UGG before. If these hold up really well and continue to stay comfortable, I will be purchasing other styles for fall and winter.
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Reviewed in the United States on May 1, 2026
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Tilly
Lake Worth, US
★★★★★ 5
Great fitting sandals
Size: 7.5, Color: Sand
Great fitting. Beautiful. Fit like a glove. Great to walk in. Great quality. Lightweight. All in one gorgeous sandals.
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Reviewed in the United States on May 11, 2026

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