نتایج جستجو برای: fluphenazine
تعداد نتایج: 264 فیلتر نتایج به سال:
This study was designed to investigate the role of calmodulin in adrenergic neurotransmission of resistance vessels. The effects of various calmodulin antagonists (trifluoperazine, W-7, calmidazolium, chlorpromazine, fluphenazine) on the vascular responsiveness and norepinephrine overflow from adrenergic nerve endings were examined in perfused rat mesenteric vasculature preparations. Pressor re...
Of 49 unselected patients with tardive dyskinesia (TD) 28 (57%) exhibited various parkinsonian signs. Isolated tremor was encountered in 11 patients, tremor with hypokinesia and rigidity in 13 patients, and hypokinesia and rigidity alone in 4. Tremor was detected among patients with scorable peripheral signs of TD. Hypokineto-rigidity, with or without tremor, was attributed to high doses of neu...
Extruded trichocysts are composed of a family of proteins with molecular weights between 15,000 and 20,000. We have used heat treatment and affinity chromatography on fluphenazine-Sepharose to purify calmodulinlike proteins from whole cells and from extruded trichocysts. The purified protein from trichocysts is indistinguishable from that of whole cells; it is heat-stable, activates brain phosp...
Hundred ninety three drugs of different pharmacological activity were studied. Lipophilicity of a drug is one of the parameters, which influence its biological activity. The n-octanol-water partition coefficients were calculated for these compounds by use of different theoretical procedures (AlogPs, IAlogP, miLogP, ClogP, logP(Kowwin), and xlogP). Particular theoretical partition coefficients w...
Four compounds previously described as antimutagenic for human lymphocytes in vitro were tested on their immunomodulatory activity in lymphocyte cultures. The standard immunocytochemical methods were applied for microscopic examination of the percentual representation of the main lymphocyte subpopulation. The results imply that all of the tested compounds exhibited significant immunomodulatory ...
For years, it has been known that neuroleptics have the capacity to interfere with the mitochondrial respiratory chain in vitro. We report that haloperidol and fluphenazine, classical neuroleptics, cause a generalized reduction in the activity of NADH: ubiquinone oxidoreductase (complex I) in the rat brain in vivo, an effect that was not observed with the atypical neuroleptic, clozapine. MPTP, ...
Parathyroid hormone (PTH) binds to its receptor (PTH 1 receptor, PTH1R) and activates multiple pathways. The PTH1R, a class b GPCR, contains consensus calmodulin-binding motifs. The PTH1R cytoplasmic tail interacts with calmodulin in a calcium-dependent manner via the basic 1-5-8-14 motif. Calcium-dependent calmodulin interactions with the cytoplasmic tails of receptors for PTH 2, vasoactive in...
This is a case of a 16-year-old male with a history of attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), obsessive compulsive disorder (OCD), and bipolar disorder (BD) who presented to the emergency department with hypertension, tachycardia, rigidity, and altered mental status 2 months after the initiation of olanzapine. Symptoms were most consistent with Neu...
Horizontal cells of the carp retina were separated from other retinal cell types by using enzymatic dissociation and velocity sedimentation at unit gravity. Fractions containing horizontal cells were tested for their ability to accumulate cyclic AMP in the presence of various putative neurotransmitters. Micromolar concentrations of dopamine, when added in the presence of 3-isobutyl-1-methylxant...
The effects of cholinergic agonists and antagonists on electrical coupling between horizontal cells were studied in dark-adapted mudpuppy retinas. Carbachol and the nicotinic agonist 1,1-dimethyl-4-phenylpiperazinium (DMPP) uncoupled horizontal cells, but the muscarinic agonist oxotremorine did not. The uncoupling effects of carbachol and DMPP were blocked by the nicotinic antagonist D-tubocura...
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