Abstract:
:Platelet imipramine binding was measured in 25 unmedicated depressed patients and 25 age- and sex-matched healthy controls. In the patients, the measurement was repeated after 3 weeks and 2 months of imipramine treatment leading to clinical recovery. No significant differences in imipramine binding were found between controls and unmedicated patients. In the latter, imipramine administration produced a progressive change in the binding characteristics, increasing the apparent Kd and decreasing the number of binding sites (Bmax). The results suggest that platelet imipramine binding is not altered in depression and that changes in this parameter are the consequence of the presence of imipramine in the blood stream. However, such changes accompany changes in other biological parameters, such as platelet monoamine oxidase and serotonin uptake, seen in the same patients throughout imipramine treatment, suggesting that the drug acts on a wide range of normal or altered serotonin-related cellular mechanisms while it accelerates the clinical recovery from depression.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Quintana Jdoi
10.1016/0165-1781(90)90040-csubject
Has Abstractpub_date
1990-09-01 00:00:00pages
229-42issue
3eissn
0165-1781issn
1872-7123pii
0165-1781(90)90040-Cjournal_volume
33pub_type
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