Results 201 to 210 of about 7,662 (216)
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Purinergic signaling in atherosclerosis
Trends in Molecular Medicine, 2015Cell surface expression of specific receptors and ecto-nucleotidases makes extracellular nucleotides such as ATP, ADP, UTP, and adenosine suitable as signaling molecules for physiological and pathological events, including tissue stress and damage.
FERRARI, Davide +3 more
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Brain Research Reviews, 2010
A growing body of evidence indicates that extracellular nucleotides play important roles in the regulation of neuronal and glial functions in the nervous system through P2 purinoceptors. P2 purinoceptors are divided into two families, ionotropic receptors (P2X) and metabotropic receptors (P2Y).
Makoto, Tsuda +2 more
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A growing body of evidence indicates that extracellular nucleotides play important roles in the regulation of neuronal and glial functions in the nervous system through P2 purinoceptors. P2 purinoceptors are divided into two families, ionotropic receptors (P2X) and metabotropic receptors (P2Y).
Makoto, Tsuda +2 more
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Purinergic Signalling: ATP Release
Neurochemical Research, 2001Adenosine triphosphate (ATP) has a fundamental intracellular role as the universal source of energy for all living cells. The demonstration of its release into the extracellular space and the identification and localisation of specific receptors on target cells have been essential in establishing, after considerable resistance, its extracellular ...
P, Bodin, G, Burnstock
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Purinergic Signalling and Endothelium
Current Vascular Pharmacology, 2016Purinergic signalling is involved in the control of vascular tone and remodelling. Endothelial cells release purines and pyrimidines in response to changes in blood flow (evoking shear stress) and hypoxia. They then act on P2Y, P2X and P1 receptors on endothelial cells leading to release of EDRF mediated by nitric oxide and prostaglandins and EDHF ...
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Signaling at Purinergic P2X Receptors
Annual Review of Physiology, 2009P2X receptors are membrane cation channels gated by extracellular ATP. Seven P2X receptor subunits (P2X1-7) are widely distributed in excitable and nonexcitable cells of vertebrates. They play key roles in inter alia afferent signaling (including pain), regulation of renal blood flow, vascular endothelium, and inflammatory responses.
Surprenant, Annmarie, Alan North, R.
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Purinergic Signaling in the Airways
Pharmacological Reviews, 2012Evidence for a significant role and impact of purinergic signaling in normal and diseased airways is now beyond dispute. The present review intends to provide the current state of knowledge of the involvement of purinergic pathways in the upper and lower airways and lungs, thereby differentiating the involvement of different tissues, such as the ...
Burnstock, Geoffrey +3 more
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Purinergic Signaling in Glioma Progression
2012Among the pathological alterations that give tumor cells invasive potential, purinergic signaling is emerging as an important component. Studies performed in in vitro, in vivo and ex vivo glioma models indicate that alterations in the purinergic signaling are involved in the progression of these tumors.
Elizandra, Braganhol +3 more
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Introduction to Purinergic Signaling
2019Purinergic signaling was proposed in 1972, after it was demonstrated that adenosine 5'-triphosphate (ATP) was a transmitter in nonadrenergic, noncholinergic inhibitory nerves supplying the guinea-pig taenia coli. Later, ATP was identified as an excitatory cotransmitter in sympathetic and parasympathetic nerves, and it is now apparent that ATP acts as a
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Purinergic signalling: an experimental perspective
Journal of the Autonomic Nervous System, 2000Investigation of the multiple roles of extracellular nucleotides in the cochlea has developed from analysis of ATP-activated conductances in single sensory hair cells. Molecular probes such as radiolabelled ATP analogues and radiolabelled mRNA for ATP-gated ion channel subunits (P2X receptors) rapidly revealed the extensive nature of ATP signalling in ...
G D, Housley, P R, Thorne
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Purinergic signalling and brain development
Seminars in Cell & Developmental Biology, 2019ATP and adenosine are released from cells as a function of their metabolic activity, being important cell-to-cell communication signals. Both purines are also released from neurons in an activity-dependent manner, with several established roles to fine tune brain function in adults, as best heralded by the effects of caffeine, an antagonist of ...
Ricardo J, Rodrigues +2 more
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