Research Topics
| T H SvenssonSummaryAffiliation: Karolinska Institutet Country: Sweden Publications
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Detail Information
Publications
Dysfunctional brain dopamine systems induced by psychotomimetic NMDA-receptor antagonists and the effects of antipsychotic drugsT H Svensson
Department of Physiology, Section of Neuropsychopharmacology, Karolinska Institutet, S 171 77, Stockholm, Sweden
Brain Res Brain Res Rev 31:320-9. 2000..Moreover, our results indicate that AMPA-receptor antagonists may possess an atypical antipsychotic profile...
Alpha-adrenoceptor modulation hypothesis of antipsychotic atypicalityTorgny H Svensson
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, S 171 77 Stockholm, Sweden
Prog Neuropsychopharmacol Biol Psychiatry 27:1145-58. 2003....
Reboxetine modulates the firing pattern of dopamine cells in the ventral tegmental area and selectively increases dopamine availability in the prefrontal cortexL Linnér
Section of Neuropsychopharmacology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
J Pharmacol Exp Ther 297:540-6. 2001....
Effects of competitive and non-competitive NMDA receptor antagonists on dopamine output in the shell and core subdivisions of the nucleus accumbensM M Marcus
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, S-171 77 Stockholm, Sweden
Neuropharmacology 40:482-90. 2001..This experimental model may afford a biochemical means to assess the psychotomimetic liability of NMDA receptor antagonists, a side effect that may reduce their usefulness as neuroprotective agents...
Effects of antipsychotic drugs on cholecystokinin and preprotachykinin (substance P) mRNA expression in the rat hippocampal formationO Zachrisson
Department of Clinical Neuroscience, Psychiatry Section, Karolinska Institutet, Karolinska Hospital, 171 76 Stockholm, Sweden
Eur Neuropsychopharmacol 10:355-63. 2000..These results are consonant to the hypothesis that increased cortical CCK transmission may be beneficial in the treatment of psychosis...
Asenapine, a novel psychopharmacologic agent: preclinical evidence for clinical effects in schizophreniaOlivia Frånberg
Department of Physiology and Pharmacology, Karolinska Institutet, Nanna Svartz vag 2, 171 77, Stockholm, Sweden
Psychopharmacology (Berl) 196:417-29. 2008..Asenapine is a novel psychopharmacologic agent being developed for the treatment of schizophrenia and bipolar disorder...
Partial 5-HT1A receptor agonist properties of (-)pindolol in combination with citalopram on serotonergic dorsal raphe cell firing in vivoL Arborelius
Department of Clinical Neuroscience, Karolinska Hospital, Stockholm, Sweden
Psychopharmacology (Berl) 151:77-84. 2000..A recent study, however, found that pindolol suppresses the firing rate of central 5-HT cells, suggesting that the compound possesses agonistic activity at 5-HT1A autoreceptors...
[New possibilities in pharmacological treatment of nicotine dependence]B E Hildebrand
Institutionen för fysiologi och farmakologi, Karolinska Institutet, Stockholm
Lakartidningen 96:5217-22, 5224. 1999..Nicotine replacement still represents our main drug therapy in smoking cessation programmes, but recent experimental findings may lead to the introduction of novel pharmacological treatments...
Enhanced cortical dopamine output and antipsychotic-like effect of raclopride with adjunctive low-dose L-dopaAmani Eltayb
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Biol Psychiatry 58:337-43. 2005....
Galantamine enhances dopaminergic neurotransmission in vivo via allosteric potentiation of nicotinic acetylcholine receptorsBjörn Schilström
Section of Neuropsychopharmacology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
Neuropsychopharmacology 32:43-53. 2007..These results may have bearing on the enhancement of negative and cognitive symptoms in schizophrenia...
Enhanced efficacy of both typical and atypical antipsychotic drugs by adjunctive alpha2 adrenoceptor blockade: experimental evidenceMarie Louise Wadenberg
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Int J Neuropsychopharmacol 10:191-202. 2007....
Adjunctive galantamine, but not donepezil, enhances the antipsychotic-like effect of raclopride in ratsCharlotte Wiker
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Int J Neuropsychopharmacol 11:845-50. 2008..These data suggest that allosteric potentiation of nAChRs may mediate the antipsychotic-like effect of adjunctive galantamine and provide support for the development of alpha7 nAChR-selective allosteric potentiators for schizophrenia...
Combined alpha2 and D2/3 receptor blockade enhances cortical glutamatergic transmission and reverses cognitive impairment in the ratMonica M Marcus
Department of Physiology and Pharmacology, Section for Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Int J Neuropsychopharmacol 8:315-27. 2005....
Dopamine D3 and D4 receptor antagonists in the treatment of schizophreniaKent Jardemark
Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
Curr Opin Investig Drugs 3:101-5. 2002..This review will discuss the current status of selective dopamine D3 and D4 receptor antagonists for the treatment of schizophrenia...
Reboxetine enhances the olanzapine-induced antipsychotic-like effect, cortical dopamine outflow and NMDA receptor-mediated transmissionMonica M Marcus
Section of Neuropsychopharmacology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
Neuropsychopharmacology 35:1952-61. 2010....
GABA(B) receptor-mediated modulation of the firing pattern of ventral tegmental area dopamine neurons in vivoSophie Erhardt
Department of Physiology and Pharmacology, Division of Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden
Naunyn Schmiedebergs Arch Pharmacol 365:173-80. 2002..Physiologically, activation of GABA(B) receptors may subserve a dampening function on VTA DA cell excitability which may counterbalance NMDA receptor-mediated excitation...
Active immunisation against nicotine blocks the reward facilitating effects of nicotine and partially prevents nicotine withdrawal in the rat as measured by dopamine output in the nucleus accumbens, brain reward thresholds and somatic signsNina Lindblom
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, , 171 77, Stockholm, Sweden
Naunyn Schmiedebergs Arch Pharmacol 372:182-94. 2005..Furthermore, since the withdrawal syndrome in rats was attenuated by immunisation, the nicotine withdrawal in smokers should not be worsened but may even be ameliorated during a quit attempt...
Noradrenaline reuptake inhibition enhances the antipsychotic-like effect of raclopride and potentiates D2-blockage-induced dopamine release in the medial prefrontal cortex of the ratLove Linnér
Section of Neuropsychopharmacology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
Neuropsychopharmacology 27:691-8. 2002....
The combination of nicotine with the D2 antagonist raclopride or the weak D4 antagonist L-745,870 generates a clozapine-like facilitation of NMDA receptor-mediated neurotransmission in pyramidal cells of the rat medial prefrontal cortexKent Jardemark
Karolinska Institutet, Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Stockholm, Sweden
Int J Neuropsychopharmacol 8:157-62. 2005..Our results support the idea that intense smoking in schizophrenia may represent a form of self-medication with nicotine...
Nitric oxide is involved in nicotine-induced burst firing of rat ventral tegmental area dopamine neuronsB Schilström
Karolinska Institutet, Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Nanna Svartz vag 2, S 171 77 Stockholm, Sweden
Neuroscience 125:957-64. 2004..By inference, our results provide additional support for the involvement of NO in nicotine dependence...
Topiramate augments the antipsychotic-like effect and cortical dopamine output of racloprideAmani Eltayb
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, , 171 77, Stockholm, Sweden
Naunyn Schmiedebergs Arch Pharmacol 372:195-202. 2005..These data support the adjunctive use of topiramate in schizophrenia to ameliorate negative symptoms and suggest that this treatment may increase the efficacy, but not the extrapyramidal side effect liability, of the APDs used...
Differential effects of topiramate on prefrontal glutamatergic transmission when combined with raclopride or clozapineKent E Jardemark
Karolinska Institutet, Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, S 171 77 Stockholm, Sweden
Synapse 63:913-20. 2009....
Asenapine elevates cortical dopamine, noradrenaline and serotonin release. Evidence for activation of cortical and subcortical dopamine systems by different mechanismsOlivia Frånberg
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Nanna Svartz vag 2, 171 77 Stockholm, Sweden
Psychopharmacology (Berl) 204:251-64. 2009..In this study, we further analyzed the effects of asenapine on dopaminergic, noradrenergic, and serotonergic systems in the rat brain...
Inhibition of the glycine transporter GlyT-1 potentiates the effect of risperidone, but not clozapine, on glutamatergic transmission in the rat medial prefrontal cortexAsa Konradsson
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Synapse 60:102-8. 2006..Our findings also suggest that risperidone and clozapine may affect NMDA receptor-mediated neurotransmission differently in the mPFC...
Selective noradrenaline reuptake inhibition enhances serotonergic neuronal activity and transmitter release in the rat forebrainL Linnér
Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
J Neural Transm 111:127-39. 2004..Hence, NRIs may cause a secondary enhancement of central serotonergic activity by a mechanism separate from 5-HT reuptake inhibition; an effect that may contribute to their clinical antidepressant efficacy...
Biochemical effects in brain of low doses of haloperidol are qualitatively similar to those of high dosesM M Marcus
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, S-171 77, Stockholm, Sweden
Eur Neuropsychopharmacol 12:379-86. 2002..Consequently, our results do not support the use of low-dose haloperidol as replacement for atypical APD in the treatment of schizophrenia...
Cortical cholinergic deficiency enhances amphetamine-induced dopamine release in the accumbens but not striatumAnna Mattsson
Department of Neuroscience, Retzius Laboratory, Karolinska Institute, Retzius vag 8, S 171 77 Stockholm, Sweden
Exp Neurol 208:73-9. 2007..This, in turn, might be of relevance for the pathophysiology of schizophrenia and provides a possible link between cholinergic disturbances and alteration of dopamine transmission...
Altered behavioural and neurochemical profile of L-DOPA following deuterium substitutions in the moleculeTorun Malmlöf
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, 171 77 Stockholm, USA
Exp Neurol 212:538-42. 2008....
Active immunization against nicotine suppresses nicotine-induced dopamine release in the rat nucleus accumbens shellS H L de Villiers
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Respiration 69:247-53. 2002..Consequently, active immunization may provide long-term protection against initiation of tobacco dependence, an effect that may prove particularly advantageous in relapse prevention...
Antipsychotic-like effect by combined treatment with citalopram and WAY 100635: involvement of the 5-HT2C receptorAmani Eltayb
Section of Neuropsychopharmacology, Department of Physiology and Pharmacology, Karolinska Institutet, S 171 77 Stockholm, Sweden
Int J Neuropsychopharmacol 10:405-10. 2007..In summary, treatment with an SSRI/5-HT1A antagonist combination might prove beneficial in psychiatric disorders with psychotic/depressive symptoms...
Deuterium substitutions in the L-DOPA molecule improve its anti-akinetic potency without increasing dyskinesiasTorun Malmlöf
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Stockholm, Sweden
Exp Neurol 225:408-15. 2010..D3-L-DOPA may thus represent a novel strategy to reduce the total dose requirement and yet achieve an effective control of parkinsonian symptoms...
Nicotine hapten structure, antibody selectivity and effect relationships: results from a nicotine vaccine screening procedureSabina H L de Villiers
Department of Physiology and Pharmacology, Section of Neuropsychopharmacology, Karolinska Institutet, Nanna Svartz vag 2, S 171 77 Stockholm, Sweden
Vaccine 28:2161-8. 2010....
Hierarchical control of dopamine neuron-firing patterns by nicotinic receptorsMonica Mameli-Engvall
CNRS URA 2182 Unité Récepteurs et Cognition, Institut Pasteur, 75724 Paris Cedex 15, France
Neuron 50:911-21. 2006....
Targeting the dopamine D1 receptor in schizophrenia: insights for cognitive dysfunctionPatricia S Goldman-Rakic
Department of Neurobiology, Yale University School of Medicine, New Haven, CT 06510, USA
Psychopharmacology (Berl) 174:3-16. 2004..Moreover, working memory deficits can be ameliorated by treatments that augment D(1) receptor stimulation, indicating that this target presents a unique opportunity for the restoration of cognitive function in schizophrenia...
