Does anyone knows where to get some animal tissue samples (FFPE) of an animals (mouse or other) expressing GFP, RFP and tdTomato?

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Robert Adolf Brinzer

Check the stock center websites. There are usually some knockout/balanced strains that have a GFP marker.

Saman Behboodi Tanourlouee

Sourcing animal tissue samples, especially those genetically modified to express fluorescent proteins such as GFP (Green Fluorescent Protein), RFP (Red Fluorescent Protein), and tdTomato can be somewhat challenging due to ethical considerations, storage conditions, and potential legal restrictions. Here are some potential sources:

University Labs/Research Institutes: If you are associated with an academic or research institution, you might be able to request these samples from colleagues or collaborators. Labs that work with genetically modified mice or other organisms often maintain tissue banks. Remember, the use of these samples should follow the institutional ethical guidelines.

Commercial Vendors: There are companies that breed genetically modified organisms and provide tissue samples. For example, The Jackson Laboratory is one such organization, although I'm not sure if they have the specific tissues you're looking for. Others include Charles River Laboratories and Taconic Biosciences. Reach out to them and ask about the availability of your specific request.

Biobanks/Biorepositories: Some biobanks and biorepositories may store animal tissues, but availability might be more limited and it's likely these will be more expensive due to the costs associated with storing and maintaining such tissues.

Online platforms for scientific materials exchange: Websites like Science Exchange or Addgene sometimes have materials from researchers that can be requested.

Genetically Engineered Mouse Model (GEMM) Core Facilities: If you are looking specifically for mouse samples, these core facilities in various institutions may be a good source.