I did an CD3 immunistaining of somenude rat tissues (heart, guts... ). The Nude rat seems to have T cells in those 2 tissues. In my understanding Nude rats are depleted in T cell, so should not express CD3.
Is it a kind of artifact? Staining is clear... no staining appear on the rag 2 mice tissues (that I used as a negative control)
Thanks for your help.
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