Kinetic and pharmacologic properties of uptake of serotonin and dopamine by normal human platelets have been investigated to test whether platelets can be employed as a model system for the reuptake of serotonin and dopamine in brain. Uptake of serotonin into platelets closely resembles reuptake of serotonin into serotonergic neurons. In contrast, uptake of dopamine into platelets appears to be mediated inefficiently via the specific serotonin uptake mechanism, based upon several lines of evidence. Serotonin and dopamine compete with each other, Antidepressant drugs, which are competitive inhibitors of uptake of both of these neurotransmitters, act at the same concentration of drug despite large differences in the Km values. Serotonin antagonists inhibit both serotonin and dopamine uptake. Finally, a serotonin-specific uptake inhibitor (fluoxetine) blocks dopamine, as well as serotonin, uptake.
G S Omenn, L T Smith
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Are the changes in the peripheral brain-derived neurotrophic factor levels due to platelet activation?
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2010 | |
Encyclopedia of Psychopharmacology
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Increased cortisol in women with intimate partner violence-related posttraumatic stress disorder☆☆Research was conduited at the University of Pittsburgh. First author is now at the Department of Veterans Affairs, San Francisco and at the University of California, san Francisco. Portions of this data were presented at the new york Academy of Sciences Meeting; Psychobiology of Post-Traumatic stress Disorder: A Decade of this progress, New York (September 11-13, 2005). An extended abstract of this presentation is in press in the Annals of the york Academy of Sciences
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Decreased dopamine uptake into platelet storage granules in Gilles de la Tourette disease
JM Rabey, Z Oberman, E Graff, AD Korczyn |
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Fluoxetine at anorectic doses does not have properties of a dopamine uptake inhibitor
RW Fuller, SK Hemrick-Luecke, HD Snoddy |
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JM Rabey, H Shabtai, E Graff, Z Oberman |
Life Sciences | 1993 |
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Anorectic Activity of Fluoxetine and Norfluoxetine in Rats: Relationship Between Brain Concentrations and In-vitro Potencies on Monoaminergic Mechanisms
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An assay to measure the simultaneous uptake of [3H]dopamine and [14C]serotonin by the human platelet reveals an imipramine-insensitive [3H]dopamine uptake mechanism
B Dean, DL Copolov |
Life Sciences | 1992 |
[3H] Dopamine uptake by platelet storage granules in schizophrenia
JM Rabey, A Lerner, M Sigal, E Graff, Z Oberman |
Life Sciences | 1992 |
Evidence for various tryptamines and related compounds acting as substrates of the platelet 5-hydroxytryptamine transporter
R Wlfel, KH Graefe |
Naunyn-Schmiedeberg's Archives of Pharmacology | 1992 |
Validation of a method to measure the uptake of [3H]dopamine by human platelets
B Dean, J Kulkarni, DL Copolov |
Clinica Chimica Acta | 1990 |
Platelet catecholamine contents are cumulative indexes of sympathoadrenal activity
KG Chamberlain, RG Pestell, JD Best |
American journal of physiology. Endocrinology and metabolism | 1990 |
Current Aspects of the Neurosciences
NN Osborne |
1990 | |
Dopamine uptake by platelets is selective, temperature dependent and not influenced by the dopamine-D1 or dopamine-D2 receptor
B Dean, DL Copolov |
Life Sciences | 1989 |
Dopamine uptake by the human platelet: effects of dopamine receptor agonists
B Dean, DL Copolov |
European Journal of Pharmacology | 1989 |
Catecholamines metabolism in infantile autism: A controlled study of 22 autistic children
JM Launay, C Bursztejn, P Ferrari, C Dreux, A Braconnier, E Zarifian, S Lancrenon, J Fermanian |
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3H-spiroperidol binding sites in blood platelets
AS Khanna, AK Agrawal, PK Seth |
Biochemical and Biophysical Research Communications | 1987 |
Catecholamines metabolism in infantile autism: A controlled study of 22 autistic children
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BE Leonard |
Human Psychopharmacology: Clinical and Experimental | 1986 |
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VP Barkhatova, I Kandel', EG Demina |
Neuroscience and Behavioral Physiology | 1985 |
Uptake of gamma-aminobutyric acid by human blood platelets: Comparison with CNS uptake
JW Hambley, GA Johnston |
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Approaches to the study of cerebral dopamine metabolism in certain extrapyramidal diseases
VP Barkhatova, , EG Demina |
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The Impact of Protein Chemistry on the Biomedical Sciences
M Vaughan |
The Impact of Protein Chemistry on the Biomedical Sciences | 1984 |
Time-dependent inhibition of platelet aggregation by dopamine and 3-methoxytyramine
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Biochemical Pharmacology | 1984 |
Platelets and biogenic amines: I. Platelets are poor investigative models for dopamine re-uptake
R Malingren |
Psychopharmacology | 1984 |
Assessment of blood platelets as a model for CNS response: Comparative effects of caffeine on 5-HT uptake and release mechanisms in rat platelets and rat brain serotonin neurons
DT Chou, H Cuzzone, KR Hirsh |
Life Sciences | 1983 |
Dopamine uptake in platelets: Two different low-affinity, saturable mechanisms
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Agents and Actions | 1981 |
The effect of tryptolines (1, 2, 3, 4-tetrahydro-β-carbolines) on monoamine metabolism and the platelet aggregation response in human platelets
MB Youdim, B Oppenheim |
Neuroscience | 1981 |
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MN Eakins, S Somaia |
International Journal of Nuclear Medicine and Biology | 1981 |
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1981 | |
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British Journal of Pharmacology | 1980 |
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GA Szekely, R Caplan, A Rotman |
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