Receptors Dopamine D3
Mostrando 1-12 de 88 artigos, teses e dissertações.
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1. Influências do sistema noradrenérgico mas não do sistema dopaminérgico sobre a consolidação da memória da tarefa labirinto radial de oito braços
É importante caracterizar os múltiplos sistemas neurais que compõem a memória de diferentes tarefas comportamentais, visto que eles possuem diversas nuances que podem ser específicas de uma tarefa ou compartilhadas, dependendo do caso. Ressalta-se ainda que dentro da mesma tarefa estes sistemas podem agir de diferentes maneiras, dependendo de qual fase
Publicado em: 2010
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2. Effect of the administration of octreotide, cabergoline and the association of both on ACTH and cortisol levels in patients with Cushings disease: correlation of clinical response with tumoral expression of the dopamine (DRD2) and somatostatin (SSTR2 and SSTR5) receptors / Efeito da administração de octreotide, cabergolina e a associação de ambos nos níveis de ACTH e cortisol em pacientes com doença de Cushing: correlação da resposta clínica com a expressão tumoral dos receptores de dopamina (DRD2) e de somatostatina (SSTR2 e SSTR5)
Introdução: A doença de Cushing apresenta elevada morbimortalidade. Seu tratamento de escolha é a cirurgia transesfenoidal que possui resultados satisfatórios em cerca de 70% dos casos. Na doença persistente ou recorrente, reabordagem cirúrgica, radioterapia e adrenalectomia bilateral podem ser realizadas, porém, essas opções apresentam como desvan
Publicado em: 2010
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3. Effects on prolactin secretion and binding to dopaminergic receptors in sleep-deprived lupus-prone mice
Sleep disturbances have far-reaching effects on the neuroendocrine and immune systems and may be linked to disease manifestation. Sleep deprivation can accelerate the onset of lupus in NZB/NZWF1 mice, an animal model of severe systemic lupus erythematosus. High prolactin (PRL) concentrations are involved in the pathogenesis of systemic lupus erythematosus in
Brazilian Journal of Medical and Biological Research. Publicado em: 2009-03
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4. Toxicidade causada pela cocaína in vitro: participação da via dopaminérgica e do fator de transcrição NF-kB. / In vitro cocaine toxicity: participation of the dopaminergic pathway and the transcription factor NF-kB.
Cocaine is a drug deeply used and its abuse is associated with physical, psychiatric and social problems. Abnormalities in newly born have been demonstrated due to the toxics effects of cocaine during fetal development. The mechanism by which cocaine causes neurological damages is very complex and involves interactions of the drug with several neurotransmitt
Publicado em: 2008
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5. Estudo de associação entre genes do sistema dopaminérgico e esquizofrenia / Study of association between genes of the dopaminergic system and schizophrenia
Evidências de estudos genético-epidemiológicos têm demonstrado a existência de um fator de risco genético para o desenvolvimento da esquizofrenia. Na presente Tese, um total de 245 pacientes com esquizofrenia e 834 controles foi selecionado com o objetivo de investigar a diferença na distribuição de alelos e genótipos de seis polimorfismos de quatr
Publicado em: 2007
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6. Influence of melatonin on the development of functional nicotinic acetylcholine receptors in cultured chick retinal cells
The influence of melatonin on the developmental pattern of functional nicotinic acetylcholine receptors was investigated in embryonic 8-day-old chick retinal cells in culture. The functional response to acetylcholine was measured in cultured retina cells by microphysiometry. The maximal functional response to acetylcholine increased 2.7 times between the 4th
Brazilian Journal of Medical and Biological Research. Publicado em: 2005-04
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7. Effect of Sapindus trifoliatus on hyperalgesic in vivo migraine models
Phytotherapies have offered alternative sources of therapy for migraine and gained much importance in prophylactic treatment. Sapindus trifoliatus is a medium-sized deciduous tree growing wild in south India that belongs to the family Sapindaceae. The pericarp is reported for various medicinal properties. A thick aqueous solution of the pericarp is used for
Brazilian Journal of Medical and Biological Research. Publicado em: 2005-03
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8. Effect of intracerebroventricularly injected insulin on urinary sodium excretion by cerebroventricular streptozotocin-treated rats
Recent evidence suggests that insulin may influence many brain functions. It is known that intracerebroventricular (icv) injection of nondiabetogenic doses of streptozotocin (STZ) can damage insulin receptor signal transduction. In the present study, we examined the functional damage to the brain insulin receptors on central mechanisms regulating glomerular
Brazilian Journal of Medical and Biological Research. Publicado em: 2003-09
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9. Dopaminergic profile of new heterocyclic N-phenylpiperazine derivatives
Dopamine constitutes about 80% of the content of central catecholamines and has a crucial role in the etiology of several neuropsychiatric disorders, including Parkinson's disease, depression and schizophrenia. Several dopaminergic drugs are used to treat these pathologies, but many problems are attributed to these therapies. Within this context, the search
Brazilian Journal of Medical and Biological Research. Publicado em: 2003-05
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10. Effect of one-week ethanol treatment on monoamine levels and dopaminergic receptors in rat striatum
We studied the effects of ethanol on the levels of norepinephrine, dopamine, serotonin (5-HT) and their metabolites as well as on D1- and D2-like receptors in the rat striatum. Ethanol (2 or 4 g/kg, po) was administered daily by gavage to male Wistar rats and on the 7th day, 30 min or 48 h after drug administration, the striatum was dissected for biochemical
Brazilian Journal of Medical and Biological Research. Publicado em: 2003-04
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11. Stimulatory effects of adenosine on prolactin secretion in the pituitary gland of the rat
We investigated the effects of adenosine on prolactin (PRL) secretion from rat anterior pituitaries incubated in vitro. The administration of 5-N-methylcarboxamidoadenosine (MECA), an analog agonist that preferentially activates A2 receptors, induced a dose-dependent (1 nM to 1 µM) increase in the levels of PRL released, an effect abolished by 1,3-dipropyl-
Brazilian Journal of Medical and Biological Research. Publicado em: 2002-07
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12. Dopamine D2 and D3 receptors are linked to the actin cytoskeleton via interaction with filamin A
We have used a yeast two-hybrid approach to uncover protein interactions involving the D2-like subfamily of dopamine receptors. Using the third intracellular loop of the D2S and D3 dopamine receptors as bait to screen a human brain cDNA library, we identified filamin A (FLN-A) as a protein that interacts with both the D2 and D3 subtypes. The interaction
The National Academy of Sciences.