SKU: 80361296445

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

Sale price$488.25 Regular price$542.50
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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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Exchange/Return Notes
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SKU: 80361296445

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4.3 ★★★★★
Based on 1833 reviews
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Verified Purchase
BACGTG
Boise, US
★★★★★ 5
Great toy for puppies!
Color: Turtle
I love this turtle. My toy poodle puppy has boundless energy. She loves this thing. It keeps her busy so I can get laundry and other things done. I am buying a second one for when the first one loses its charge😂
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
L
Verified Purchase
libbish
Charlottesville, US
★★★★★ 3
It broke within the week
Color: Turtle
The toy was ADORABLE, it worked very well for the first week. And then it broke. I bought two for my puppy and my 8 year old shih tzus. It stopped vibrating and just made loud grinding and squeaking noises. I would recommend this toy if it lasted longer.
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Reviewed in the United States on April 26, 2026
J
Verified Purchase
JF2184
Houston, US
★★★★★ 4
Offers tons of activity
Color: Turtle
My 70lb dog LOVES this turtle toy, was worth the price. He will play and play until he’s exhausted. We have to give him breaks from it. We use the second setting which is just for movement, no music. The only aspect I don’t like is that he will inadvertently press the button when he’s biting the toy, changing the setting and sometimes has turned it off. The velcro is super strong, which is good but makes it difficult to open. Battery life is decent, lasted a few days with him playing with it an hour or so each evening. I like the auto shut off after 30 minutes of no movement.
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Reviewed in the United States on May 14, 2026
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Great toy for a dog who is not afraid of noises
Color: Crab
My puppy loves this thing! She was confused at first but now she plays with it daily. I just let it jump and sing the first time. She looked at it with the cutest head tilt. It is a bit loud so if you have a dog that's scared of noises this might be the right toy. Now when she picks it up, I turn it on and she gets so excited! The different songs make the toy less annoying for me, lol. Honestly, anything to tire out a 4 month old puppy. She is very entertaining to watch.
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Reviewed in the United States on May 7, 2026
M
Verified Purchase
MGSchnootz
Carnegie, US
★★★★★ 5
What a fun toy!!!
Color: Turtle
This is the first toy in a very long time my 10yo GSD wants to play with. She actually brings it over for me to turn on. It is loud and wiggly... She goes nuts for it! So far good quality with shaking and light chewing. Very easy to turn on and off. Great value for the play enjoyment of my sweet girl, gets her up and moving.
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Reviewed in the United States on May 21, 2026

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