Clonal expansion of abnormal B cells in old NZB mice


The spleens of old NZB mice have an abnormal population of B cells with extra chromosomes. These hyperdiploid B cells manifest increased proliferative capacity; they grow in (NZB X DBA/2)F1 spleens after intravenous injections. Molecular analysis of individual old NZB and F1 passaged spleens demonstrate that hyperdiploid cells represent a clonal or… (More)

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