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
Amazon Customer
Charlottesville, US
★★★★★ 5
Chewing pups love them.
My 8 mo Morkie loves them . The other two won't touch them . They're heavier than I expected but Belle doesn't seem to mind that. Great for dogs that like to chew!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
K
Verified Purchase
Kimberly Stewart
Omaha, US
★★★★★ 3
Meh..., I'll stick to fave pig ear chews
Only 4 for $6, idk these don't last long. I wanted to try them because my dogs love being spoiled but I think I'll stick to pig ears at a discount from Petco. They are very hard, some chews crumble or soften as the dogs knaw at them during the day. However these chews didn't last longer than 10 minutes compared to actual no rawhide alternatives I have used. These didn't do that. No upset stomach so that's a plus. The smell was similar to pig ears also, texture was different. No slimy residue w/ it unlike with the regular 100% pig ears. Helped with plague build up but there is still plague on insicor tooth. Probably won't buy again, meh.
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Reviewed in the United States on December 16, 2025
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 4
Dog bones
Good price dog likes it not enough in bag and can choke if dog chews it down
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Reviewed in the United States on February 28, 2026
K
Verified Purchase
Kathy Rogers
Lowell, US
★★★★★ 5
Perfect for my medium dog
My dog loves these alternatives to pigs ears. Easier for her soft mouth.
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Reviewed in the United States on February 4, 2026
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Verified Purchase
Karen A
Pawtucket, US
★★★★★ 1
bag came ripped
bag came ripped so the chewy pig ears were not chewy they were hard, I didnt even give them to my dog. The worst part is they are not returnable or refundable - what a waste of money So not acceptable.
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Reviewed in the United States on February 14, 2025

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