R-spondin-1 Protein, Mouse
SKU: 21907879090

R-spondin-1 Protein, Mouse

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Description

R-spondin-1 Protein, MouseProduct Specification Species Mouse Synonyms R spondin 1, Cysteine rich and single thrombospondin domain containing protein 3 (Cristin 3; mCristin 3), Roof plate specific spondin 1,RSPO1 Accession Q9Z132 Amino Acid Sequence Ser21 Gln265 Expression System HEK293 Molecular Weight 38 40 kDa (Reducing) Purity >95% by Bis Tris PAGE & HPLC. Endotoxin <0. 1EU g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized powder Storage Buffer PBS,

Product Specification


Species Mouse
Synonyms R-spondin-1, Cysteine-rich and single thrombospondin domain-containing protein 3 (Cristin-3; mCristin-3), Roof plate-specific spondin-1,RSPO1
Accession Q9Z132
Amino Acid Sequence

Ser21-Gln265

Expression System HEK293
Molecular Weight

38-40 kDa (Reducing)

Purity >95% by Bis-Tris PAGE & HPLC.
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag No Tag
Physical Appearance Lyophilized powder
Storage Buffer

PBS, pH7.4

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

Nature. 2011 Jan 20;469(7330):415-8.
Nat Biotechnol. 2017 Jun;35(6):577-582.

Background

The R-spondin (RSPO) family comprises four secreted glycoproteins (RSPO1-4) that function as critical modulators of canonical Wnt/β-catenin signaling. These proteins are characterized by two N-terminal furin-like cysteine-rich domains and a C-terminal thrombospondin type 1 repeat (TSR-1) motif. Mouse models have been instrumental in elucidating RSPO functions, revealing their essential roles in developmental morphogenesis, adult stem cell maintenance, and disease pathogenesis through interactions with LGR4/5/6 receptors and regulation of Wnt receptor availability.
Industrially, recombinant mouse RSPO proteins have become indispensable components in organoid culture systems for drug screening and personalized medicine. Pharmaceutical companies utilize RSPO-based platforms to generate patient-derived intestinal, gastric, hepatic, mammary, and prostate organoids for high-throughput drug testing. Therapeutically, RSPO1 shows promise for treating inflammatory bowel disease, chemotherapy-induced mucositis, and short bowel syndrome by promoting intestinal regeneration. Conversely, anti-RSPO antibodies are under development as cancer therapeutics for RSPO-fusion-positive tumors, representing a targeted approach in precision oncology.

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SKU: 21907879090

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Verified Purchase
Darlene C.
Natrona Heights, US
★★★★★ 5
Little squeaky toys
Color: 12 pack
Omg my little dog loved these they are made well and a great price point. 👍👍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026
S
Verified Purchase
Sydney
West Palm Beach, US
★★★★★ 4
Cute but not durable
Color: Blue Octopus, Color: Blue Octopus
My dog LOVES the toy and was so excited to get it. It is so cute…but not durable like advertised. My chewer was able to rip a hole by the evening we received it. We like it…just not excited for the clean up
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
K
Verified Purchase
Katchan22
Lexington, US
★★★★★ 5
Cost effective option to find what kind of toys you new small pup will enjoy.
Color: 12 PACK PUPPY TOYS
This was a great puppy toy assortment. It is great because it has different types so you can figure out what types of toys your new pup will enjoy. This package is only suitable for small dogs. Also, I do t think they would be good for aggressive cheers. But if you are looking for a cost effective bunch of small new puppy toys this is perfect. There was no smell, the sound of squeaker were average high pitch, soft and moderately durable, design and appearance were generic. Not high quality but a good assortment. Not suitable for long term use IMO.
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Reviewed in the United States on December 8, 2025
D
Verified Purchase
Darlene E.
Boise, US
★★★★★ 5
Love this and very durable!!
Color: Blue Spider
This spider is HUGE! It's sooooooooo nice! My 3 boys love it! They love chewing on all the legs and it's so big that they can all lay around it and each chew on a leg at the same time! They also play tug of war with it at times! It's stuffed with a cushiony material. It does not bounce. It's lightweight. Has no smell. It's so much fun for my boys! Love it! It has great durability as my one boy who literally destroys all his toys has not broken it and they've had it for 3 months so far! This alone speaks volumes! Highly recommend!
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Reviewed in the United States on March 26, 2026
M
Verified Purchase
Mary
Carnegie, US
★★★★★ 5
Dog toy
Color: Blue Octopus
Great dog toy very durable great 2 dogs to play tug of war
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026

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