SKU: 94459427711

IL-31 Protein, Human

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Description

IL-31 Protein, HumanProduct Specification Species Human Synonyms IL 31,IL31,Interleukin 31 Accession Q6EBC2 Amino Acid Sequence Ser24 Thr164 Expression System E. coli Molecular Weight 16kDa (Reducing) Purity 95% by SDS PAGE Endotoxin <0. 1EU g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized Powder Storage Buffer 20mM PB, 100mM NaCl, pH6. 5 Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in ultrapure water after rapid centrifugation.

Product Specification


Species Human
Synonyms IL-31,IL31,Interleukin-31
Accession Q6EBC2
Amino Acid Sequence Ser24-Thr164
Expression System E.coli
Molecular Weight 16kDa (Reducing)
Purity >95% by SDS-PAGE
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag No Tag
Physical Appearance Lyophilized Powder
Storage Buffer 20mM PB, 100mM NaCl, pH6.5
Reconstitution Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability & Storage · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
Reference

1.J Allergy Clin Immunol. 2023 Jul 13;S0091-6749(23)00888-6. Online ahead of print.
2. Allergy. 2023 Jul 13. Online ahead of print.
3. Clin Exp Med. 2023 Jul 1. Online ahead of prin

Background

IL-31 which produced by activated Th2-type T cells. IL-31 signals through a receptor composed of IL-31 receptor A and oncostatin M receptor. IL-31 activates STAT3 and possibly STAT1 and STAT5 through the IL-31 heterodimeric receptor composed of IL31RA and OSMR. IL-31 has also been identified as a major player in a number of chronic inflammatory diseases, including atopic dermatitis. Patients with atopic dermatitis, chronic spontaneous urticaria, allergic contact dermatitis, prurigo nodularis, primary cutaneous lymphoma and mastocytosis exhibit increased serum levels of IL-31 protein and elevated IL-31 mRNA in the skin.

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SKU: 94459427711

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4.4 ★★★★★
Based on 27 reviews
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Helena
Grantham, US
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 25, 2025
A
Verified Purchase
Ale quintero
San Leandro, US
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
H
Verified Purchase
Horsegal JPJ
Boise, US
★★★★★ 5
Super-great squeaky balls
Size: 6 packs
My dog (a so-far 30 lb Aussie) absolutely loves these balls. The squeakers in them are great, quite loud. If you hate squeaky toys, do not buy these balls. I love them. They bounce really well, too. My dog loves to jump in the air and catch them on the high bounce (good indoor fun). Also, these are literally the only toy that Remy does not tear apart and consume pieces of. She even tears the fuzz off of Kong tennis-type balls. I also like that because of the "spikes," they do not get icky with saliva. I think these balls would be good for any dog of any size. Highly recommended.
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Reviewed in the United States on May 16, 2026
I
Verified Purchase
imamom
Whiting, US
★★★★★ 5
The squeaker doesnt last, but seems like they lasted longer than some of her other toys
Size: 3 packs
My dog LOVES these. She plays non stop! We have to take them away once in a while so we can take a break!
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Reviewed in the United States on January 28, 2026
B
Verified Purchase
Brenda Kennedy
Cuba, US
★★★★★ 5
Dog balls
Size: 3 packs
My dogs love playing fetch or just playing with these balls. They are the perfect size!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025

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