The MMRRC repository lets users search mouse models by gene or strain name, identifiers, and disease-related terms.
International Mouse Strain Resource
IMSR is a searchable database of mouse strains, stocks, and mutant embryonic stem cell lines available worldwide.
About International Mouse Strain Resource
The International Mouse Strain Resource (IMSR) is a searchable online database of mouse strains, stocks, and mutant embryonic stem (ES) cell lines held by repositories worldwide. It includes inbred, mutant, and genetically engineered strains. The stated goal is to help the international research community locate and obtain mouse resources for research. The IMSR is funded by an NIH grant.
For each listed strain or cell line, users can see which repository holds it, the form in which it is kept (for example live animals, cryopreserved embryos or germplasm, or ES cells), and links to descriptive information and mutant alleles. Ordering and contact links point to the holding repository. The site notes that its data is supplied by the strain repository holders.
Key features
- Searchable database of inbred, mutant, and genetically engineered mouse strains and ES cell lines
- Shows which repository holds each resource
- Shows the form each resource is kept in, such as live, cryopreserved embryo, or ES cells
- Links to descriptive information about each strain or cell line
- Links to mutant alleles carried by each strain or cell line
- Links for ordering from a repository and for sending a query to it
Best for: Researchers who need to find and obtain mouse strains, stocks, or ES cell lines for scientific work.
Good for
- Brings together mouse resources held by repositories worldwide in one searchable place
- Shows the form in which each resource is available
- Connects listings to descriptive information and mutant allele details
Watch out for
- Listing content is as supplied by repository holders, not compiled by the IMSR itself
- Ordering is handled by the individual repositories, not through the IMSR
International Mouse Strain Resource at a glance
- Website
- findmice.org
- Category
- Research & Data › Open Data & Datasets
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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International Mouse Strain Resource FAQ
Who supplies the information about each strain?
The site states that the data content is as supplied by the strain repository holders.
How do I order a strain or cell line?
Each listing includes links for ordering the resource from the repository that holds it.
Is something wrong or out of date?
Tell us and an editor will check it.
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