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A comment on What mRNA is good for, and what it maybe isn’t. Parent comment

Re:What mRNA is good for, and what it maybe isn’t by catlifeonmars on Wednesday June 30, 2021 @09:44AM (#27688415)
Under what circumstances does this occur? Is this something the cell itself signals to the immune system?
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Re:What mRNA is good for, and what it maybe isn’t by dekhn on Wednesday June 30, 2021 @10:16AM (#27688820)
it's one of the most extraordinary details I've learned in biology. The thymus expresses cell types from around the body and trains the immune system to not recognize them as foreign:

https://en.wikipedia.org/wiki/Central_tolerance

it's not for genes, but for epitopes

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