A sensitive, capture enzyme-linked immunosorbent assay (CELISA) has be
en applied to the accurate and reproducible measurement of brain-deriv
ed neurotrophic factor (BDNF) protein in normal human blood platelets,
a mean concentration of 1.03 +/- 0.04 ng (SEM)/mg of platelet protein
being observed. The method, which requires only 10 ml brood, is now s
uitable for the investigation of a variety of clinical disorders. (C)
1997 Elsevier Science Inc.