{"slug":"reconstitution","tag":"reconstitution","variants":["reconstitution"],"description":"No description yet","count":1,"kinds":{"technology":1},"related":[{"slug":"immune","tag":"immune","shared":1},{"slug":"rejuvenation","tag":"rejuvenation","shared":1},{"slug":"survivorship","tag":"survivorship","shared":1},{"slug":"transplant","tag":"transplant","shared":1}],"records":[{"id":"rejuv-tx-immune-reconstitution-timeline","kind":"technology","name":"Rebuilding an immune system: the timeline, lineage by lineage","route":"/technologies/rejuv-tx-immune-reconstitution-timeline/","status":"established","tldr":"After a transplant the immune system comes back in a fixed order, and the order explains most of what follows. Neutrophils in two to four weeks, natural killer cells within a month, B cells over several months to a year, and T cells last and slowest. Adults rebuild a narrower repertoire, because the thymus shrinks with age."}]}