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An association between the lysosomal enzyme NAG and urinary free cortisol and platelet imipramine binding
1Department of Psychiatry, University of Iowa College of Medicine, Iowa City.
Journal of Psychiatric Research
|July 1, 1993
Abstract:
Urinary levels of the lysosomal enzyme N-acetyl-beta-glucosaminidase (NAG) were significantly correlated to levels of 24-hour urinary free cortisol in a group of panic disordered patients. In a separate study of healthy controls NAG levels showed a trend toward association with platelet imipramine binding density. A hypothesis is proposed that NAG levels may be proportional to the density of postsynaptic serotonin receptors.