Results 121 to 130 of about 2,313,736 (322)

Ontogeny of purinergic receptor-regulated Ca2+ signaling in mouse cortical collecting duct epithelium [PDF]

open access: yes, 2002
Changes in ATP-induced increase in {[}Ca2+], during collecting duct ontogeny were studied in primary monolayer cultures of mouse ureteric bud (UB) and cortical collecting duct (CCD) cells by Fura-PE3 fluorescence ratio imaging.
Borscheid, R.   +4 more
core   +1 more source

Transient and selective blockade of adenosine A1-receptors by 8-cyclopentyl-1,3-dipropylxanthine (DPCPX) causes sustained epileptiform activity in hippocampal CA3 neurons of guinea pigs [PDF]

open access: yes, 1989
The effects of endogenously released adenosine on the excitability of hippocampal neurons were studied using the novel and highly selective adenosine A1-receptor antagonist 8-cyclopentyl-1,3-dipropylxanthine (DPCPX).
Alzheimer, Christian   +2 more
core   +1 more source

Structure–activity relationship of the allosteric effects of ivermectin at human P2X4 and GABAA receptors

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and purpose Positive allosteric modulation of the P2X4 receptor is a potential route to providing cardiovascular benefit through enhancing flow‐dependent arterial vasodilation and providing cardioprotection. However, ligands that selectively enhance P2X4 activity are absent.
Jessica L. Meades   +4 more
wiley   +1 more source

Effects of the P2RX4 antagonist BR11595 in a guinea pig model of chronic asthma

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Asthma is characterized by airway hyperresponsiveness (AHR), allergic inflammation, and airway remodelling. Although recent studies have shown that asthma pathophysiology involves P2X4 receptor activation, a potential link with chronic asthma remains to be explored.
Dan Li   +13 more
wiley   +1 more source

Activity-dependent release of Adenosine: a critical re-evaluation of mechanism [PDF]

open access: yes, 2008
Adenosine is perhaps the most important and universal modulator in the brain. The current consensus is that it is primarily produced in the extracellular space from the breakdown of previously released ATP.
Dale, Nicholas, Wall, Mark J.
core   +2 more sources

The cellular distribution of P2X7, P2Y6, and P2Y12 during or after pilocarpine-induced status epilepticus and literature review

open access: yesBrain Circulation
BACKGROUND: When a seizure occurs, the distribution of purine receptors in different cell types at various time points remains poorly understood. Our literature review revealed that P2X7, P2Y6, and P2Y12 are expressed in different cells during epilepsy ...
Yue Li, Fengru Tang, Yumin Luo
doaj   +1 more source

Release of ATP in the ventral medulla during hypoxia in rats: role in hypoxic ventilatory response [PDF]

open access: yes, 2005
P2X2 receptor subunits of the ATP-gated ion channels are expressed by physiologically identified respiratory neurons in the ventral respiratory column, implicating ATP in the control of respiratory activity.
Dale, Nicholas   +3 more
core   +2 more sources

Purinergic Receptors: Key Mediators of HIV-1 Infection and Inflammation

open access: yesFrontiers in Immunology, 2015
Human immunodeficiency virus type 1 (HIV-1) causes a chronic infection that afflicts more than 30 million individuals worldwide. While the infection can be suppressed with potent antiretroviral therapies, individuals infected with HIV-1 have elevated ...
Talia H. Swartz   +2 more
semanticscholar   +1 more source

Piezo2 in Mechanosensory Biology: From Physiological Homeostasis to Disease‐Promoting Mechanisms

open access: yesCell Proliferation, EarlyView.
Piezo2 channels are essential mechanotransducers regulating touch, proprioception and visceral mechanosensation across physiological systems, emerging as therapeutic targets for pathological mechanical hypersensitivity and neurogenic disorders. ABSTRACT Piezo2, a mechanically activated ion channel, serves as the key molecular transducer for touch ...
Zhebin Cheng   +4 more
wiley   +1 more source

Emerging key roles for P2X receptors in the kidney [PDF]

open access: yes, 2013
P2X ionotropic non-selective cation channels are expressed throughout the kidney and are activated in a paracrine or autocrine manner following the binding of extracellular ATP and related extracellular nucleotides. Whilst there is a wealth of literature
Birch, R. E.   +3 more
core   +2 more sources

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