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Y Miura
The Kurume medical journal, 47(4), 267-272 (2001-02-24)
Plasma beta-phenylethylamine (PEA) levels were determined in 27 patients with Parkinson's disease (PD) in order to evaluate its relation with the severity or clinical course of PD. The plasma PEA concentrations in PD patients were significantly lower (mean +/- SD
S Jill James et al.
The American journal of clinical nutrition, 80(6), 1611-1617 (2004-12-09)
Autism is a complex neurodevelopmental disorder that usually presents in early childhood and that is thought to be influenced by genetic and environmental factors. Although abnormal metabolism of methionine and homocysteine has been associated with other neurologic diseases, these pathways
Suri Roowi et al.
Molecular nutrition & food research, 53 Suppl 1, S68-S75 (2009-05-06)
Human urine was collected over a 24 h period after the consumption of 250 mL of (i) water, (ii) orange juice, and (iii) orange juice plus 150 mL of full fat natural yoghurt. The orange juice contained 168 micromol of
Oytun Erbaş et al.
Metabolic brain disease, 30(3), 739-746 (2014-11-22)
Schizophrenia is known to be associated with metabolic disturbances including diabetes mellitus, obesity and cardiovascular diseases. A growing body of evidence has suggested abnormal cytokine levels in schizophrenia. In the present study, we explored the effects of low-grade chronic inflammation
Tiffany S Kung et al.
Toxicological sciences : an official journal of the Society of Toxicology, 146(2), 235-243 (2015-04-29)
Pyrethroids are commonly used insecticides that are considered to pose little risk to human health. However, there is an increasing concern that children are more susceptible to the adverse effects of pesticides. We used the zebrafish model to test the
Michael Schwarzer et al.
The Journal of physiology, 592(17), 3767-3782 (2014-06-22)
We investigated the impact of cardiac reactive oxygen species (ROS) during the development of pressure overload-induced heart failure. We used our previously described rat model where transverse aortic constriction (TAC) induces compensated hypertrophy after 2 weeks, heart failure with preserved
Jose E Abdenur et al.
Molecular genetics and metabolism, 87(1), 48-53 (2005-11-18)
Aromatic l-aminoacid decarboxylase (AADC) deficiency is a neurotransmitter defect leading to a combined deficiency of catecholamines and serotonin. Patients are usually detected in infancy due to developmental delay, hypotonia, and extrapyramidal movements. Diagnosis is based on an abnormal neurotransmitter metabolite
B F Kania
Research in veterinary science, 38(2), 179-183 (1985-03-01)
The immobilising action of Immobyl (fentanyl : azaperone, 5:1) in six sheep has been analysed on the basis of the changes in dopamine, noradrenalin, adrenalin, homovanillic acid and 5-hydroxytryptamine concentrations in the corpus striatum, frontal motor cortex, pons, cerebellum and
P A LeWitt et al.
Neurology, 42(11), 2111-2117 (1992-11-01)
We used two analytic methods (a multichannel coulometric electrode array with high-performance liquid chromatography, and gas chromatography-mass spectrophotometry) to measure CSF dopamine (DA) and its metabolites in mildly affected, unmedicated subjects with Parkinson's disease (PD). The mean (+/- SD) concentration
G Hoffmann et al.
Clinical chemistry, 35(4), 587-595 (1989-04-01)
This new method for qualitative and quantitative determination of organic acids, aldehydes, and ketones in biological samples is effective for use with urine, plasma, and amniotic fluid, and it requires no deproteinization. Isolation by batch-wise liquid partition chromatography on silicic
M I Orozco-Solano et al.
Journal of chromatography. A, 1258, 108-116 (2012-09-05)
The interest for olive oil phenols (OOPs) is a growing trend thanks to their contribution to prevent or improve diseases associated to oxidative damage. OOPs ingested in the diet are found at low concentrations in blood either as free forms
M Lembreghts et al.
L'Encephale, 19(5), 501-523 (1993-09-01)
Based on a review of the literature, the article deals with the major biological markers of schizophrenia. Recent developments in molecular biology have shown a possible association between schizophrenia and various HLA markers (A1, A2, A9, A10, A28, B27, BW16)
Dhawal P Oswal et al.
Neurochemical research, 38(1), 108-116 (2012-10-12)
Sarin is a toxic organophosphorus (OP) nerve agent that has been reported to cause long-term alterations in behavioral and neuropsychological processes. The present study was designed to investigate the effect of low dose sarin exposure on the monoamine neurotransmitter systems
V Lepore et al.
Psychopharmacology, 86(1-2), 27-30 (1985-01-01)
Diphenylhydantoin (DPH) is known to induce reversible paroxysmal dyskinesias and paranoid psychosis in humans, but its interactions with dopamine (DA) metabolism are not clear. Single doses of DPH (60-100 mg kg-1), with serum levels over 10 micrograms ml-1, reduced homovanillic
Li Li et al.
Molecular pharmacology, 86(6), 760-772 (2014-10-01)
4-Aminopyridine (4-AP, fampridine) is used clinically to improve neuromuscular function in patients with multiple sclerosis, spinal cord injury, and myasthenia gravis. 4-AP can increase neuromuscular and synaptic transmission by directly stimulating high voltage-activated (HVA) Ca(2+) channels independent of its blocking
Kine S N Dervola et al.
Neurotoxicology, 50, 38-45 (2015-07-29)
Polychlorinated biphenyls (PCBs) are present as ortho- and non-ortho-substituted PCBs, with most of the ortho-substituted congeners being neurotoxic. The present study examined effects of the ortho-substituted PCB 153 on dopamine, serotonin and amino acid neurotransmitters in the neostriatum of both
W Birkmayer et al.
Annals of clinical and laboratory science, 19(1), 38-43 (1989-01-01)
The coenzyme Nicotinamidadenindinucleotide (NADH) has been used as novel medication in 34 Parkinson patients in an open label trial. In all patients, a beneficial clinical effect was observed. Twenty-one patients (61.7 percent) showed a very good (better than 30 percent)
Marcello Monteleone et al.
Analytica chimica acta, 759, 66-73 (2012-12-25)
Homovanillic acid (HVA), vanylmandelic acid (VMA), and 5-hydroxyindoleacetic acid (5-HIAA) are the metabolites of some catecholamines such as epinephrine, nor-epinephrine, dopamine and serotonin and their quantification is used in the diagnosis and management of patients with neurocrine tumors. A novel
Mervi T Hyvönen et al.
ACS chemical biology, 10(6), 1417-1424 (2015-02-18)
Eukaryotic translation initiation factor 5A (eIF5A) is essential for cell proliferation, becoming functionally active only after post-translational conversion of a specific Lys to hypusine [N(ε)-(4-amino-2-hydroxybutyl)lysine]. Deoxyhypusine synthase (DHS) is the rate-limiting enzyme of this two-step process, and the polyamine spermidine
Neha Milind Chitre et al.
Neuropharmacology, 167, 107976-107976 (2020-02-01)
Parkinson's disease (PD) is a devastating neurodegenerative disease that leads to motor deficits and selective destruction of nigrostriatal dopaminergic neurons. PD is typically treated by dopamine replacement agents; however, dopamine replacement loses effectiveness in the later stages of the disease.
Peng Zheng et al.
Molecular & cellular proteomics : MCP, 12(1), 207-214 (2012-11-01)
Major depressive disorder (MDD) is a widespread and debilitating mental disorder. However, there are no biomarkers available to aid in the diagnosis of this disorder. In this study, a nuclear magnetic resonance spectroscopy-based metabonomic approach was employed to profile urine
M Naoi et al.
Mechanisms of ageing and development, 111(2-3), 175-188 (2000-02-03)
Dopamine neurons in the substantia nigra of human brain are selectively vulnerable and the number decline by aging at 5-10% per decade. Enzymatic and non-enzymatic oxidation of dopamine generates reactive oxygen species, which induces apoptotic cell death in dopamine neurons.
Katheryn M Goodrich et al.
Journal of agricultural and food chemistry, 62(46), 11190-11199 (2014-10-23)
Metabolism of flavanols (catechins, procyanidins) by gut microbiota has been extensively characterized. Comparatively little is known about accumulation of flavanols and their metabolites in the colon tissues, particularly during chronic exposure to low doses. Mice were fed low doses of
Ju-Young Park et al.
Biological & pharmaceutical bulletin, 36(2), 252-258 (2012-12-01)
In order to measure the levels of serotonin (5-hydroxyltryptamine, 5-HT), dopamine (DA), 3,4-hydroxyphenylacetic acid (DOPAC), 3-methoxytyramine (3-MT) and homovanillic acid (HVA) simultaneously, an effective derivatization method followed by high-performance liquid chromatography (HPLC) coupled to electrochemical ionization mass spectrometry was used.
M A Riddle et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2(2), 123-129 (1989-06-01)
Plasma concentrations of unconjugated homovanillic acid (pHVA) reflect both central nervous system (CNS) and peripheral dopamine metabolism. Debrisoquin sulfate (DBQ) blocks peripheral, but not CNS, production of HVA from dopamine. Administration of DBQ has been used to decrease the proportion
Giuliana Cangemi et al.
Pediatric blood & cancer, 60(12), E170-E172 (2013-07-03)
The determination of the two urinary catecholamine metabolites homovanillic acid (HVA) and vanillylmandelic acid (VMA) is of crucial importance for the diagnosis and follow-up of neuroblastoma (NB). The standard practice for their measurement requires the use of 24-hour collections that
M A Javors et al.
Journal of chromatography, 336(2), 259-269 (1984-12-12)
To simultaneously measure 3-methoxy-4-hydroxyphenylglycol (MHPG), 5-hydroxyindoleacetic acid (5HIAA), and homovanillic acid (HVA) in human cerebrospinal fluid (CSF), we used an acetonitrile protein precipitation, reversed-phase high-performance liquid chromatography with coulometric detection, and 3-methoxy-4-hydroxyphenyllactic acid (MHPLA) as an internal standard for all
M Strittmatter et al.
Neuroscience letters, 218(2), 99-102 (1996-11-01)
We have measured the concentrations of substance P, somatostatin, homovanillic acid (HVA), vanillyl mandelic acid (VMA) and 5-hydroxyindoleacetic acid (5-HIAA) in the cerebrospinal fluid (CSF) of six patients suffering from narcolepsy and 12 age- and gender-matched controls using high pressure
Maria Varela et al.
Journal of neurosurgery. Pediatrics, 13(4), 375-379 (2014-02-25)
The biogenic amines (dopamine, epinephrine, norepinephrine, and serotonin) are involved in the regulation of multiple neuronal functions, and changes in monoamine concentrations in the CSF have been detected in several disorders. The aim of the present study was to investigate
L R G Nieminen et al.
Prostaglandins, leukotrienes, and essential fatty acids, 75(4-5), 309-314 (2006-09-09)
Deficiency in the long-chain omega-3 fatty acid, docosahexaenoic acid (DHA) has been associated with increased corticotropin releasing hormone and may contribute to hypothalamic pituitary axis (HPA) hyperactivity. Elevated levels of the neuroactive steroids, allopregnanolone (3alpha,5alpha-THP) and 3alpha,5alpha-tetrahydrodeoxycorticosterone (THDOC) appear to
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