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G Halperin et al.
Journal of chromatography. B, Biomedical sciences and applications, 742(2), 345-352 (2000-07-20)
We developed a method for the determination of serum 5alpha-cholestan-3beta-ol (cholestanol). The sterols were derivatized to the 4'-bromobenzenesulfonyl esters and heated in isopropanol. The cholesterol-4'-bromobenzenesulfonate was solvolyzed to cholesteryl isopropyl ether, but the derivatized cholestanol did not change and could
Yang Cai et al.
Biosensors & bioelectronics, 49, 312-317 (2013-06-25)
Due to the inherent higher sensitivity of fluorescence detection than colorimetric detection, it is necessary to screen out a suitable fluorogenic substrate for G-quadruplex DNAzymes to improve the sensitivities of G-quadruplex DNAzyme-based sensors. Herein, seven candidates were tested to determine
Ho Le Thi et al.
Phytochemistry, 108, 109-121 (2014-09-13)
Allelopathy is the process whereby an organic chemical (allelochemical) released from one plant influences the growth and development of other plants. Allelochemicals produced by specific rice (Oryza sativa L.) cultivars have potential to manage barnyard grass (Echinochloa crus-galli L.), a
Asha Bayliss et al.
Journal of neurochemistry, 125(1), 37-48 (2013-01-30)
In invertebrates, the phenolamines, tyramine and octopamine, mediate many functional roles usually associated with the catecholamines, noradrenaline and adrenaline, in vertebrates. The α- and β-adrenergic classes of insect octopamine receptor are better activated by octopamine than tyramine. Similarly, the Tyramine
Tisen Xu et al.
Biosensors & bioelectronics, 73, 167-173 (2015-06-13)
A novel sandwich-type electrochemical immunoassay with sensitivity enhancement was developed for quantitative detection of tissue polypeptide antigen (TPA) by coupling with target-induced tyramine signal amplification on prussian blue-gold hybrid nanostructures. The immunosensor was prepared through immobilizing anti-TPA capture antibody on
Steven Robertson et al.
Steroids, 78(2), 182-194 (2012-11-28)
Glucocorticoid receptor (GR) concentrations and the ability of the GR to dimerize are factors which influence sensitivity to glucocorticoids. Upon glucocorticoid binding, the GR is actively transported into the nucleus, a crucial step in determining GR function. We examined the
Esteban Toro-Martínez
Vertex (Buenos Aires, Argentina), 16(59), 62-68 (2005-03-24)
The tyramine syndrome and the serotonin syndrome are a complex of signs and symptoms that are thought to be largely attributable to drug - drug interactions or drug - food interactions that enhances norepinephrine o serotonin activity. This article reviews:
Chiyako Shimada et al.
Anticancer research, 34(7), 3543-3548 (2014-07-02)
A total of 12 phenylpropanoid amides were subjected to quantitative structure-activity relationship (QSAR) analysis, based on their cytotoxicity, tumor selectivity and anti-HIV activity, in order to investigate on their biological activities. Cytotoxicity against four human oral squamous cell carcinoma (OSCC)
G M Simpson et al.
The British journal of psychiatry. Supplement, (6)(6), 32-37 (1989-10-01)
The hypertensive crisis induced by the ingestion of cheese in subjects undergoing treatment with monoamine oxidase inhibitors (MAOIs) led to their virtual disappearance in many parts of the world. Three strategies to try and diminish the risk of this reaction
Jack J Chen et al.
Journal of clinical pharmacology, 52(5), 620-628 (2011-06-02)
Rasagiline is an irreversible monoamine oxidase type B (MAO-B) inhibitor indicated for the treatment of the signs and symptoms of idiopathic Parkinson disease as initial monotherapy and as adjunct therapy to levodopa. Pharmacologic inhibition of monoamine oxidase type A (MAO-A)
Kevin Guo et al.
Analytical chemistry, 81(10), 3919-3932 (2009-03-25)
We report a new quantitative metabolome profiling technique based on differential (12)C-/(13)C-isotope dansylation labeling of metabolites, fast liquid chromatography (LC) separation and electrospray ionization Fourier-transform ion cyclotron resonance mass spectrometry (ESI-FTICR MS) detection. An isotope reagent, (13)C-dansyl chloride, can be
J Szebeni et al.
Alcoholism, clinical and experimental research, 10(6), 647-650 (1986-12-01)
The level of conjugated dienes (CD) in the serum, conjugated linoleic acid isomer in the phospholipid fraction [18:2(9, 11)], and the fatty acid profile in both the serum and in the separated lipid classes were analyzed in current and previous
J P Casazza et al.
Alcohol and alcoholism (Oxford, Oxfordshire). Supplement, 1, 607-609 (1987-01-01)
Plasma 1,2-propanediol, D,L,-2,3-butanediol and 2,3-meso-butanediol were measured in 29 patients with biopsy proven alcoholic cirrhosis and 10 control subjects, none of whom had measurable blood alcohol levels. None of these compounds were present in control subjects at level above 5
A J Cooper
The British journal of psychiatry. Supplement, (6)(6), 38-45 (1989-10-01)
The cheese reaction following use of the irreversible monoamine oxidase inhibitors (MAOIs) began to be reported in the UK with increasing frequency from about 1961. By 1965, the underlying mechanism (tyramine-provoked hypertension) had been essentially elucidated. Thereafter, this potentially severe
Martha M Rumore et al.
Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition, 25(3), 265-269 (2010-06-29)
Linezolid is a weak, reversible monoamine oxidase inhibitor. The current practice at most hospitals is to place patients receiving linezolid on a tyramine-restricted diet. This process typically involves both the hospital's pharmacy department and the food and nutrition department. A
Haiwei Chen et al.
Cell, 177(5), 1217-1231 (2019-04-23)
The intestinal microbiota produces tens of thousands of metabolites. Here, we used host sensing of small molecules by G-protein coupled receptors (GPCRs) as a lens to illuminate bioactive microbial metabolites that impact host physiology. We screened 144 human gut bacteria
Francesca Tamarozzi et al.
Immunology letters, 162(2 Pt B), 194-198 (2014-12-03)
We identified IL-17A-positive neutrophils in Wolbachia-positive Onchocerca volvulus nodules using an antibody that has previously reported IL-17A-positive neutrophils in several inflammatory conditions. However, we could not detect IL-17A using a range of alternative assays. Our data question the IL-17A antibody
Total Synthesis of (−)-Galanthamine by Remote Asymmetric Induction.
Kodama, Sumiaki et al.
Angewandte Chemie (International Edition in English), 43(20), 2659-2661 (2004)
Donatella Restuccia et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(7), 1156-1163 (2015-04-03)
Cocoa contains many compounds such as biogenic amines (BAs), known to influence consumer health. Spermidine, spermidine, putrescine, histamine, tyramine, β-phenylethylamine, cadaverine and serotonine have been found in several cocoa-based products using HPLC with UV detection after derivatisation with dansyl-chloride. Once
Ultrasensitive profiling of metabolites using tyramine-functionalized graphene quantum dots.
Li N, et al.
ACS Nano, 10(3), 3622-3629 (2016)
Emil D Bartels et al.
Circulation research, 117(11), 933-942 (2015-09-12)
Plasma cholesterol lowering is beneficial in patients with atherosclerosis. However, it is unknown how it affects entry and degradation of low-density lipoprotein (LDL) particles in the lesioned arterial wall. We studied the effect of lipid-lowering therapy on LDL permeability and
Xuehong Liu et al.
The Journal of pharmacology and experimental therapeutics, 350(1), 124-129 (2014-05-07)
Ractopamine (RAC) is fed to an estimated 80% of all beef, swine, and turkey raised in the United States. It promotes muscle mass development, limits fat deposition, and reduces feed consumption. However, it has several undesirable behavioral side effects in
M Da Prada et al.
Acta psychiatrica Scandinavica. Supplementum, 360, 106-107 (1990-01-01)
Moclobemide belongs to a new class of reversible, selective monoamine oxidase-A (MAO-A) inhibitors; it is clinically well tolerated and has little liability to potentiate tyramine pressor effects. Measurement of blood pressure and heart rate in conscious, freely moving rats showed
Moussa B H Youdim et al.
Neurotoxicology, 25(1-2), 243-250 (2003-12-31)
The major side effect with the use of first generation of non selective monoamine oxidase (MAO) inhibitors as neuropsychiatric drugs was what became known as the "cheese reaction". Namely, potentiation of sympathomimetic activity of ingested tyramine present in cheese and
Heidi C Schilter et al.
Respiratory research, 16, 42-42 (2015-04-19)
The persistent influx of neutrophils into the lung and subsequent tissue damage are characteristics of COPD, cystic fibrosis and acute lung inflammation. VAP-1/SSAO is an endothelial bound adhesion molecule with amine oxidase activity that is reported to be involved in
Effects of tyramine on blood pressure and plasma catecholamines in normal and hypertensive subjects.
M G Bianchetti et al.
Klinische Wochenschrift, 60(9), 465-470 (1982-05-03)
Responses of blood pressure and plasma catecholamines to intravenous injection of tyramine at increasing dosage (30, 45, and 60 microgram/kg, respectively) were evaluated in 25 normal subjects and 20 patients with mild essential hypertension. Basal plasma norepinephrine and epinephrine concentrations
Jian-Jun Zhong et al.
Journal of chromatography. A, 1406, 331-336 (2015-07-05)
Direct separation of biogenic amines by reversed-phase liquid chromatography (RPLC) is not an easy task because their basic and hydrophilic characteristics can lead to poor retention, column overloading, peak tailing, and hence low efficiency. Rather than routinely resorting to derivatization
Tyramine interference in assay of serum dopamine-beta-hydroxylase.
S J Yin et al.
Clinical chemistry, 23(3), 617-618 (1977-03-01)
D Walter Wray et al.
Experimental physiology, 100(6), 589-602 (2015-04-11)
What is the topic of this review? This review focuses on age-related changes in the regulatory pathways that exist at the unique interface between the vascular smooth muscle and the endothelium of the skeletal muscle vasculature, and how these changes
Nitya Ganesh et al.
International journal of biological macromolecules, 55, 289-294 (2013-01-30)
An injectable composite gel was developed from alginic and hyaluronic acid. The enzymatically cross-linked injectable gels were prepared via the oxidative coupling of tyramine modified sodium algiante and sodium hyaluronate in the presence of horse radish peroxidase (HRP) and hydrogen
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