Results 31 to 40 of about 8,556 (198)

Mitogenic signaling from P1 and P2 purinergic receptors to mitogen-activated protein kinase in human fetal astrocyte cultures

Neuroscience Letters, 1998
To investigate potential trophic actions of extracellular ATP in human astrocytes, we have examined mitogenic signaling by purinergic receptors in cultures prepared from first trimester rostral central nervous system tissue. We found that ATP and ATPgammaS, a hydrolysis-resistant analog, stimulated DNA synthesis, thereby indicating that P2 purinergic ...
J T, Neary, M, McCarthy, Y, Kang, S, Zuniga   +3 more
openaire   +2 more sources

Biology of Platelet Purinergic Receptors and Implications for Platelet Heterogeneity

Frontiers in Pharmacology, 2018
Platelets are small anucleated cells present only in mammals. Platelets mediate intravascular hemostatic balance, prevent interstitial bleeding, and have a major role in thrombosis.
Milka Koupenova, Katya Ravid
doaj   +1 more source

Simultaneous quantification of 12 different nucleotides and nucleosides released from renal epithelium and in human urine samples using ion-pair reversed-phase HPLC [PDF]

, 2012
Nucleotides and nucleosides are not only involved in cellular metabolism but also act extracellularly via P1 and P2 receptors, to elicit a wide variety of physiological and pathophysiological responses through paracrine and autocrine signalling pathways.
Alberto Contreras-Sanz, BD Gill, C Crawford, Claire M. Peppiatt-Wildman, DR Ferguson, DR Schneider, EM Schwiebert, EW Inscho, EW Inscho, FQ Yang, G Burnstock, G Burnstock, G Burnstock, G Manfredi, G Xu, HA Neufeld, HA Praetorius, HA Praetorius, Hardyal S. Gill, HM Liebich, I Kugelgen von, I Kugelgen von, J Czarnecka, James Malone-Lee, JC Mathies, Jennifer C. Jacoby, JM Buescher, JO Svensson, JR Gever, K Sugaya, Kevin M. G. Taylor, KH Schram, KR Kim, LA Birder, LC Rump, LD Todorov, M Cichna, M Katayama, MA Bailey, N Ozer, N Yamaoka, NS Zur, P Bodin, P Vinas, PD Wilson, R Corriden, RC Calvert, Rebecca E. Birch, RL Cordell, S Tatur, S Wiener, SA Levesque, Scott S. P. Wildman, Toby S. Scott-Ward, V Jankowski, V Kumar, W Yu, Y Cheng, Y Sun, Y Sun, Y Zheng   +60 more
core   +2 more sources

Purinergic signaling: A gatekeeper of blood-brain barrier permeation

Frontiers in Pharmacology, 2023
This review outlined evidence that purinergic signaling is involved in the modulation of blood-brain barrier (BBB) permeability. The functional and structural integrity of the BBB is critical for maintaining the homeostasis of the brain microenvironment.
Yuemei Wang, Yuanbing Zhu, Junmeng Wang, Longcong Dong, Shuqing Liu, Sihui Li, Qiaofeng Wu   +6 more
doaj   +1 more source

Uridine adenosine tetraphosphate is a novel vasodilator in the coronary microcirculation which acts through purinergic P1 but not P2 receptors

Pharmacological Research, 2013
Uridine adenosine tetraphosphate (Up4A) has been identified as an endothelium-derived contracting factor, which acts through purinergic P2X and P2Y receptors. Since the coronary vascular actions of Up4A are unknown, we investigated the vasoactive profile of Up4A in coronary microvessels, and studied the involvement of purinergic receptor subtypes ...
Zhou, Zhichao, Merkus, Daphne, Cheng, Caroline, Duckers, Eric, Danser, Jan, Duncker, Dirk-jan   +5 more
openaire   +2 more sources

Toll-Like Receptor 4 Modulates Small Intestine Neuromuscular Function through Nitrergic and Purinergic Pathways [PDF]

, 2017
Objective: Toll-like receptors (TLRs) play a pivotal role in the homeostatic microflora-host crosstalk. TLR4-mediated modulation of both motility and enteric neuronal survival has been reported mainly for colon with limited information on the role of ...
Cecilia Giulivi, Cecilia Giulivi, Eleonora Napoli, Francesca Galuppini, Genny Orso, Ilaria Marsilio, Isabella Lante, Maria Cecilia Giron, Massimo Rugge, Mona Roozfarakh, Silvia Cerantola, Silvia Cerantola, Valentina Caputi   +12 more
core   +3 more sources

Extracellular ATP and its derivatives provide spatiotemporal guidance for bone adaptation to wide spectrum of physical forces

Bone Reports, 2022
ATP is a ubiquitous intracellular molecule critical for cellular bioenergetics. ATP is released in response to mechanical stimulation through vesicular release, small tears in cellular plasma membranes, or when cells are destroyed by traumatic forces ...
Chrisanne Dsouza, Mahmoud S. Moussa, Nicholas Mikolajewicz, Svetlana V. Komarova   +3 more
doaj   +1 more source

Alzheimer and Purinergic Signaling: Just a Matter of Inflammation?

Cells, 2021
Alzheimer’s disease (AD) is a widespread neurodegenerative pathology responsible for about 70% of all cases of dementia. Adenosine is an endogenous nucleoside that affects neurodegeneration by activating four membrane G protein-coupled receptor subtypes,
Stefania Merighi, Tino Emanuele Poloni, Anna Terrazzan, Eva Moretti, Stefania Gessi, Davide Ferrari   +5 more
doaj   +1 more source

Uridine adenosine tetraphosphate (Up4A) as a novel coronary vasodilator in health and disease: Role of purinergic P1 and P2 receptors

The FASEB Journal, 2012
Up4A is a potent endothelium‐derived contracting factor that contains purine and pyrimidine moieties and activates purinergic P2X and P2Y receptors. Up4A has recently been found to also have vasodilator effects. Here, we evaluated Up4A in isolated coronary small arteries from normal (N) swine and swine after myocardial infarction ...
Zhichao Zhou, Dirk Jan Duncker, Daphne Merkus   +2 more
openaire   +1 more source

Purinergic Signalling and Neurological Diseases: An Update [PDF]

, 2017
Purinergic signalling, i.e. ATP as an extracellular signalling molecule and cotransmitter in both peripheral and central neurons, is involved in the physiology of neurotransmission and neuromodulation.
Burnstock, G
core   +1 more source