Rag2 knockout rats (Sprague Dawley)

• 2 bp deletion within Exon 3 on chromosome 3
• Homozygous Rag2 knockout rats display loss of RAG2 protein via Western blot
• Homozygous Rag2 knockout rats show loss of B and T cells by FACS analysis

Availability: Live colony
Zygosity genotype: Homozygous

Rag2 knockout rats completely lack B and T cells, making them ideal immuno-compromised hosts for xenograft studies. In addition, the larger size of the rat makes performing sophisticated xenograft techniques and surgeries much simpler as compared to similar studies in a mouse.

Mature B and T cells are critical components for an adaptive immune system. Rats deficient in Rag2 protein produce no mature B or T cells. This non-leaky model for severe combined immune deficiency is useful for vaccine development, autoimmune and infectious diseases.

Origin:

The Rag2 (Sprague-Dawley^®) KO rat model was originally created at SAGE Labs, Inc. in St. Louis, MO and distributed out of the Boyertown, PA facility. The line continues to be maintained through the original SAGE Labs animal inventory acquired by Envigo, then Envigo was acquired by Inotiv in 2021.

Diet and Husbandry:
Our rodent models are raised and maintained on Teklad diet, bedding, and enrichment products:

• Diet: Teklad Global Rodent Diet
• Bedding: Teklad Contact Bedding (U.S. only)
• Enrichment: Teklad Enrichment Products (U.S. only)

Model Support Services:
Inotiv offers related model support services to deliver research-ready models to your facility:

• Surgical Services
• Preconditioning Services
• Aging Services
• Contract Breeding Services
• Biospecimen Services

Health Monitoring Report Update
Inotiv is standardizing global health monitoring to deliver consistent, rigorous surveillance. Updated reports featuring our revised testing frequencies and agents will begin with the September 2026 cycle with reports becoming available between mid-September and early October.

Historical data for the previous 18 months will remain available under the Technical Resources tab. For details on monitored agents and testing frequencies, visit our Health Monitoring Reports page.  Please contact us if you have any questions or concerns.

• United States - Building 410 Denver, PA

Available regions:

For pricing information, please contact us using the phone number above.

• iCare Program: Continuity of Care — US
• Model information sheet

Archived Health Monitoring Reports

• United States - Building 410 Denver, PA