title: Methionine activating enzyme in various human platelet populations.
abstract: Human platelets have been separated into four populations by a discontinuous sucrose gradient. MAE activity has been determined in the various platelet populations and significant differences were obtained with respect to platelet size, the large-heavy platelets showing a higher enzymatic activity than the small-light ones. These data suggest that higher MAE activity in the younger and large-heavy platelets may be responsible for a much higher biochemical and functional efficiency.
mesh_terms: D001792:Blood Platelets / Q000166:cytology / Q000201:enzymology*; D002394:Catechol O-Methyltransferase / Q000097:blood*; D002499:Centrifugation, Density Gradient; D006801:Humans; D008715:Methionine / Q000097:blood*
chemical_list: D008715:Methionine; D002394:Catechol O-Methyltransferase