Results 41 to 50 of about 8,556 (198)

Hypoxia induces purinergic receptor signaling to disrupt endothelial barrier function

open access: yesFrontiers in Physiology, 2022
Blood-brain-barrier permeability is regulated by endothelial junctional proteins and is vital in limiting access to and from the blood to the CNS. When stressed, several cells, including endothelial cells, can release nucleotides like ATP and ADP that ...
Somasundaram Raghavan   +3 more
doaj   +1 more source

Purinergic Signalling: Therapeutic Developments

open access: yesFrontiers in Pharmacology, 2017
Purinergic signalling, i.e., the role of nucleotides as extracellular signalling molecules, was proposed in 1972. However, this concept was not well accepted until the early 1990’s when receptor subtypes for purines and pyrimidines were cloned and ...
Geoffrey Burnstock, Geoffrey Burnstock
doaj   +1 more source

Inhibition of REV-ERBs stimulates microglial amyloid-beta clearance and reduces amyloid plaque deposition in the 5XFAD mouse model of Alzheimer\u27s disease [PDF]

open access: yes, 2020
A promising new therapeutic target for the treatment of Alzheimer\u27s disease (AD) is the circadian system. Although patients with AD are known to have abnormal circadian rhythms and suffer sleep disturbances, the role of the molecular clock in ...
Griffin, Percy   +6 more
core   +1 more source

Coexpression of rat P2X2 and P2X6 subunits in Xenopus oocytes. [PDF]

open access: yes, 2000
Transcripts for P2X(2) and P2X(6) subunits are present in rat CNS and frequently colocalize in the same brainstem nuclei. When rat P2X(2) (rP2X(2)) and rat P2X(6) (rP2X(6)) receptors were expressed individually in Xenopus oocytes and studied under ...
Burnstock, G   +5 more
core   +1 more source

Synthesis and Structure-Activity Relationships of Pyridoxal-6-arylazo-5'-phosphate and Phosphonate Derivatives as P2 Receptor Antagonists. [PDF]

open access: yes, 1998
Novel analogs of the P2 receptor antagonist pyridoxal-5'-phosphate-6-phenylazo-2',4'-disulfonate (PPADS) were synthesized. Modifications were made through functional group substitution on the sulfophenyl ring and at the phosphate moiety through the ...
Boyer, José L.   +13 more
core   +3 more sources

The 3‐Hit Metabolic Signaling Model for Autism Spectrum Disorder: A Summary

open access: yesAutism Research, EarlyView.
ABSTRACT Autism spectrum disorder (ASD) is a highly heritable yet environmentally sensitive neurodevelopmental condition whose biological heterogeneity has resisted a unifying causal explanation for over 100 years. The 3‐hit metabolic signaling model proposes that ASD arises from abnormal persistence of an evolutionarily conserved stress‐response ...
Robert K. Naviaux
wiley   +1 more source

Purinergic signaling: a common pathway for neural and mesenchymal stem cell maintenance and differentiation

open access: yesFrontiers in Cellular Neuroscience, 2015
Extracellular ATP, related nucleotides and adenosine are among the earliest signaling molecules, operating in virtually all tissues and cells. Through their specific receptors, namely purinergic P1 for nucleosides and P2 for nucleotides, they are ...
Fabio eCavaliere   +2 more
doaj   +1 more source

Living Microbial Drugs

open access: yesChemistry – A European Journal, EarlyView.
The introduction outlines the review scope. Microbial cell factories as living drugs cover host–gut microbiota, bacteria, yeast, and other microbial systems, with comparative host advantages. Engineering strategies include synthetic circuits, quorum sensing, and memory.
Cemile Elif Özçelik   +3 more
wiley   +1 more source

Purine and purinergic receptors

open access: yesBrain and Neuroscience Advances, 2018
Adenosine 5′-triphosphate acts as an extracellular signalling molecule (purinergic signalling), as well as an intracellular energy source. Adenosine 5′-triphosphate receptors have been cloned and characterised. P1 receptors are selective for adenosine, a
Geoffrey Burnstock
doaj   +1 more source

The potential for biased signalling in the P2Y receptor family of GPCRs

open access: yesBritish Journal of Pharmacology, EarlyView.
The purinergic receptor family is primarily activated by nucleotides, and contains members of both the G protein coupled‐receptor (GPCR) superfamily (P1 and P2Y) and ligand‐gated ion channels (P2X). The P2Y receptors are widely expressed in the human body, and given the ubiquitous nature of nucleotides, purinergic signalling is involved with a plethora
Claudia M. Sisk   +2 more
wiley   +1 more source

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