Results 21 to 30 of about 89,536 (293)

Concerted action of human chorionic gonadotropin and norepinephrine on intracellular-free calcium in human granulosa-lutein cells [PDF]

open access: yes, 1993
Luteal cells are known to possess receptors for LH/hCG and receptors of the beta-adrenergic type. Interactions of specific agonists with either receptor lead to the activation of adenylate cyclase and subsequently to an increase of cAMP.
Föhr, K. J.   +5 more
core   +1 more source

Plasma catecholamines during activation of the sympathetic nervous system in a patient with Shy-Drager syndrome. [PDF]

open access: yes, 1980
Plasma catecholamines and circulation parameters were studied in a patient with a Shy-Drager syndrome. Basal values of free noradrenaline and dopamine were within the normal range, whereas the adrenaline level was decreased.
Nagel-Hiemke, M.   +2 more
core   +1 more source

Development of catecholamine and cortisol stress responses in zebrafish

open access: yesMolecular Genetics and Metabolism Reports, 2014
Both adrenal catecholamines and steroids are known to be involved in the stress response, immune function, blood pressure and energy homeostasis. The response to stress is characterized by the activation of the hypothalamus–pituitary–adrenal (HPA) axis ...
Kaoru Eto   +4 more
doaj   +1 more source

Is alumina suitable for solid phase extraction of catecholamines from brain tissue?

open access: yesArhiv za Higijenu Rada i Toksikologiju, 2023
Occupational and environmental toxicology specialists find catecholamine fluctuations in brain tissue relevant for research of neurotoxicity, such as that induced by manganese or zinc, pesticides, industrial solvents, plastic, air pollution, or ...
Mirković Duško   +5 more
doaj   +1 more source

The cerebrovascular effects of adrenaline, noradrenaline and dopamine infusions under propofol and isoflurane anaesthesia in sheep [PDF]

open access: yes, 2002
Publisher's copy made available with the permission of the publisher © Australian Society of AnaesthetistsInfusions of catecholamines are frequently administered to patients receiving propofol or isoflurane anaesthesia.
Grant, C.   +3 more
core   +1 more source

Catecholamines in Attention Deficit Disorders

open access: yesPediatric Neurology Briefs, 1996
A multistage hypothesis emphasizing the interaction of norepinephrine (NE), epinephrine (EPI), and dopamine in the modulation of attention and impulse control is presented by the Department of Psychiatry, University of Texas Health Science Center, San ...
J Gordon Millichap
doaj   +1 more source

Effects of catheter‐based renal denervation on renin‐aldosterone system, catecholamines, and electrolytes: A systematic review and meta‐analysis

open access: yesThe Journal of Clinical Hypertension, 2022
In recent years, catheter‐based renal denervation (RDN) has emerged as a promising instrumental therapy for hypertension. The interruption of sympathetic nervous system was regarded as a possible mechanism for RDN regulating blood pressure.
Xiangyu Yang   +3 more
doaj   +1 more source

Saxagliptin: A potential doping agent? A randomized, double‐blinded, placebo‐controlled, and crossover pilot study in young active men

open access: yesPhysiological Reports, 2022
Neuropeptide Ys (NPYs) contribute to sympathetic‐adreno stimulation: NPY1‐36 potentiates the effects of catecholamines (CATs), whereas NPY3‐36 inhibits CAT release.
Nicolas Bourdillon   +6 more
doaj   +1 more source

Subjective Sleep Quality Versus Objective Accelerometric Measures of Sleep and Systemic Concentrations of Sleep-Related Hormones as Objective Biomarkers in Fibromyalgia Patients

open access: yesBiomedicines, 2023
Poor quality of sleep leads to an increase in severity of the symptoms associated with fibromyalgia (FM) syndrome and vice versa. The aim of this study was to determine if the poor perceived sleep quality in FM patients could be corroborated by objective
María Dolores Hinchado   +5 more
doaj   +1 more source

In silico and in vitro exploration of a tyrosinase for biocatalytic production of catechols

open access: yesFEBS Open Bio, EarlyView.
Tyrosinase from Ralstonia pseudosolanacearum is a promising biocatalyst for producing valuable catechols from monophenol substrates. This tyrosinase is uniquely suited to this due to its high monophenolase : diphenolase ratio. We combined in silico docking and in vivo kinetic characterisation of this tyrosinase with 11 industrially relevant monophenols,
James Britton   +6 more
wiley   +1 more source

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