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screen317 t1_j9e0puw wrote

Immune memory is not stored in bone marrow stem and progenitor cells. These are the only cells that expand to reconstitute the recipient's immune system.

You don't transplant memory cells that live in secondary lymphoid organs like the spleen and lymph nodes.

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Melodic_Cantaloupe88 t1_j9m6h0z wrote

Since the lymphoid organs stay (and are the memory cells), why could they not just convey the immune info to the new marrow and progenitor cells?

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