The Platelet as a Peripheral Model of Serotonergic Function in Child Psychiatry

  • Moshe Rehavi
  • Ronit Weizman


Neurochemical strategies have been adopted to implicate specific neurotransmitters in psychiatric disorders and the therapeutic mechanisms of psychotropic agents. These studies have examined alterations in neurotransmitter metabolites in urine, plasma, and spinal fluid as a reflection of the release and turnover of specific neurotransmitters in the brain (a marker of presynaptic function), and binding to specific receptor sites (a marker of postsynaptic function). With the introduction of positron-emission tomography (PET), it has become feasible to evaluate the distribution and density of at least some neurotransmitter receptors in vivo in patients and healthy normal control subjects. Another strategy has involved the identification of specific neurotransmitter and psychotropic drug receptor sites on easily accessible peripheral tissues. A major limitation of these latter studies is the assumption that the binding characteristics of these “peripheral” binding sites reflects the situation in brain accurately.


Serotonin Uptake Serotonergic Function Bioi Psychiatry Peripheral Model Imipramine Binding 
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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • Moshe Rehavi
    • 1
  • Ronit Weizman
    • 2
    • 3
  1. 1.Department of Physiology and Pharmacology, Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael
  2. 2.Pediatric DepartmentHasharon HospitalPetah TiqvaIsrael
  3. 3.Sackler Faculty of MedicineTel Aviv UniversityTel AvivIsrael

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