the observation that human hd platelets , enriched with older cells , contain more 5ht than ld platelets taken together with the parallel increase in platelet 5ht and age during the recovery from thrombocytopenia in itp patients and the lack of effect of aspirin on platelet 5ht content , provides initial evidence that human platelets accumulate 5ht during their life-span in circulation .
C0392386
ld platelets
C0398650
itp