HUGO ID Detailed Result 9594


HUGO ID 9594
Symbol PTGER2
Name prostaglandin E receptor 2 (subtype EP2), 53kDa
#Occurrence 45
#Paper 4

 


PMID Match String Actual String Score Flanking text Edited by Edit
15081582EP2EP20.62 induce apoptosis in a dose-dependent manner likely via the EP2 receptor and subsequent activation of caspase-3 ( Takadera et al. 
16647138EP2EP20.6glycine receptors occurred via a postsynaptic mechanism involving activation of EP2 receptors cholera-toxin-sensitive G-proteins and cAMP-dependent protein kinase 
16647138EP2EP2-like0.6agonists had little effect on membrane currents confirming that an EP2-like receptor was involved 
16647138EP2EP20.6Mice lacking EP1 EP2 and EP4 receptors responded to PGE 2 injections with similar 
16647138EP2EP20.6PGE 2 receptors of the EP2 receptor subtype have been identified as key signaling elements in 
16647138EP2EP20.6Mice deficient in EP2 receptors completely lacked spinal PGE 2 -evoked hyperalgesia 
16647138EP2EP2-deficient0.6EP2-deficient mice lost this response 
16647138EP2EP20.6After a peripheral inflammatory stimulus the EP2 _amp_#x2212;/_amp_#x2212; _amp_#x2212 _amp_#x2212 mice exhibited only a short-lasting peripheral hyperalgesic 
16647138EP2EP20.6and the apoptosis of cortical cells by acting on the EP2 receptor which in turn activates caspase-3 a pro-apoptotic agent ( 
16647138EP2EP20.6However the finding that the PGE 2 EP2 receptor has a neuroprotective function in cerebral ischemia complicates the 
16647138EP2EP20.62 are likely to be important because activation of the EP2 receptor which the cerebral cortex hippocampus and striatum express abundantly 
16647138EP2EP20.6Pharmacologic blockade of EP2 signaling by blockade of protein kinase A activation reversed this 
16647138EP2EP20.6In an MCAO mouse model genetic deletion of the EP2 receptor significantly increased cerebral infarction in the cerebral cortex and 
16647138EP2EP20.6and oxygen deprivation is mediated by the activation of an EP2 receptor one of the four PGE 2 receptor subtypes whose 
17574754EP2EP20.3EP receptor family where there are four subtypes (EP1, EP1 EP2 EP3 and EP4 and for the PGD 2 DP family 
17574754EP2EP20.3We have previously reported that the PGE 2 EP2 receptor rescues CA1 pyramidal neurons in organotypic hippocampal cultures treated 
17574754EP2EP20.3with NMDA or oxygen glucose deprivation 16 and both the EP2 and EP3 receptors rescue motor neurons in organotypic spinal cord 
17574754EP2EP20.3In vivo the EP2 receptor mediates a significant protective function in models of focal 
17574754EP2EP20.3Mechanistically EP2 and DP1 neuroprotection are dependent on intact cAMP signaling whereas 
17574754EP2EP20.3The EP2 receptor neuroprotective in models of glutamate toxicity enhances the inflammatory 
17574754EP2EP20.3a murine model of Familial Alzheimer's disease deletion of the EP2 receptor results decreased neuronal lipid peroxidation and A_amp_#x3b2 peptide load 
17574754EP2EP20.3previous studies we determined that PGE 2 signaling via its EP2 and EP3 receptors paradoxically protected motor neurons in a spinal 
17574754EP2EP20.3We have previously determined that activation of the PGE 2 EP2 receptor and the PGD 2 DP1 receptor protect CA1 neurons 
17574754EP2EP20.3Recent studies have demonstrated that the EP2 receptor enhances inflammatory oxidative stress and synaptotoxicity in innate immunity 
17574754EP2EP20.3These effects are distinct from the neuroprotective function of the EP2 receptor seen both in vitro in organotypic slices and in 
17574754EP2EP20.3We investigated the effect of PGE 2 and the EP2 and EP3 receptors in vitro in a model of LPS 
17574754EP2EP20.3Selective activation of the EP2 and EP3 receptors also increased LPS-mediated CA1 neurotoxicity ( Fig 
17574754EP2EP20.3in vitro model and from our previous studies 3 the EP2 and EP3 receptors can also be excluded since they too 
17574754EP2EP20.3dependent on cAMP signaling as is the case for the EP2 and DP1 receptors we hypothesize that this is the case 
17574754EP2EP20.3In hippocampal slices activation of the EP2 15 and 16 and EP3 ( Fig 2 receptor rescues 
17574754EP2EP20.3of neurotoxic cytokines and reactive oxygen species stimulation of the EP2 or EP3 receptor now increases LPS-mediated CA1 toxicity 
17574754EP2EP20.3addition of either PGE 2 (10_amp_#x2013;100 10_amp_#x2013 100 nM the EP2 agonist butaprost (200 200 nM or the EP3 agonist sulprostone 
17574754EP2EP20.3The increased toxicity of LPS with addition of EP2/EP3 EP2 EP3 receptor agonists is relevant to recent in vivo studies 
17574754EP2EP20.3For example in the LPS model of innate immunity the EP2 receptor mediates a major component of inflammatory oxidative stress and 
17574754EP2EP20.3In addition in a model of amyloid deposition the EP2 receptor similarly promotes an increase in neuronal lipid peroxidation 13 
17574754EP2EP20.3together these data suggest a dichotomy of function of the EP2 receptor in which the EP2 receptor promotes primary neuroprotection in 
17574754EP2EP20.3dichotomy of function of the EP2 receptor in which the EP2 receptor promotes primary neuroprotection in models of glutamate toxicity and 
17574754EP2EP20.3dispersed hippocampal neurons are protected from toxicity with application of EP2 receptor agonist suggesting that activation of the neuronal EP2 receptor 
17574754EP2EP20.3of EP2 receptor agonist suggesting that activation of the neuronal EP2 receptor promotes a neuroprotective response supporting this is the dependence 
17574754EP2EP20.3paracrine synaptic and neuronal injury and genetic ablation of the EP2 receptor in this paradigm is protective 20 
17574754EP2EP20.3The protective function of EP2 signaling in vivo in models of excitotoxicity and cerebral ischemia 
17574754EP2EP20.3cerebral ischemia 15 and 16 and the neurotoxic effect of EP2 receptor signaling in the LPS 17 19 and 20 and 
17574754EP2EP20.3anti-inflammatory drugs (NSAIDs), NSAIDs which should reduce signaling through the EP2 receptor by decreasing levels of PGE 2 would have similar 
17574754EP2EP20.3PGE 2 would have similar effects on neuronal viability as EP2 inhibition alone 
17901552EP2EP20.6Conversely in the context of an inflammatory stimulus the EP2 receptor enhances neuronal injury