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Michael O'Regan

This is a preview profile on BiomedExperts - the first literature-based scientific social network. It brings the right researchers together and allows them to collaborate online. Collexis and Dell provide the BiomedExperts network of +1.5 Million pre-calculated profiles free of charge to researchers worldwide.

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Co-Publications
Name
87
Phillis, John
28
Song, D
14
Diaz, Fernando
9
Guyot, LL
8
Pilitsis, Julie
6
Estevez, AY
4
Ren, Jun
3
Wellwood, Jody
3
Fairfax, Marilynn
3
Coplin, William
3
Michael, Daniel
2
Kocsis, Jeffery
2
Waxman, Stephen
2
Saluja, I
1
Woodbury, Dixon

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Publications

TOP 3
O'Regan Michael
Adenosine and the regulation of cerebral blood flow.
Phillis J W; Lungu C L; Barbu D E; O'Regan M H
Adenosine's role in hypercapnia-evoked cerebral vasodilation in the rat.
Phillis John W; O'Regan Michael H
A potentially critical role of phospholipases in central nervous system ischemic, traumatic, and neurodegenerative disorders.

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All Publications

2005: O'Regan Michael
Adenosine and the regulation of cerebral blood flow.
Neurological research 2005;27(2):175-81.
2004: Phillis J W; Lungu C L; Barbu D E; O'Regan M H
Adenosine's role in hypercapnia-evoked cerebral vasodilation in the rat.
Neuroscience letters 2004;365(1):6-9.
2004: Phillis John W; O'Regan Michael H
A potentially critical role of phospholipases in central nervous system ischemic, traumatic, and neurodegenerative disorders.
Brain research. Brain research reviews 2004;44(1):13-47.
2003: Pilitsis Julie G; Coplin William M; O'Regan Michael H; Wellwood Jody M; Diaz Fernando G; Fairfax Marilynn R; Michael Daniel B; Phillis John W
Free fatty acids in cerebrospinal fluids from patients with traumatic brain injury.
Neuroscience letters 2003;349(2):136-8.
2003: Pilitsis J G; Coplin W M; O'Regan M H; Wellwood J M; Diaz F G; Fairfax M R; Michael D B; Phillis J W
Measurement of free fatty acids in cerebrospinal fluid from patients with hemorrhagic and ischemic stroke.
Brain research 2003;985(2):198-201.
2003: Phillis J W; O'Regan M H
Characterization of modes of release of amino acids in the ischemic/reperfused rat cerebral cortex.
Neurochemistry international 2003;43(4-5):461-7.
2003: Phillis John W; O'Regan Michael H
Effects of adenosine receptor antagonists on pial arteriolar dilation during carbon dioxide inhalation.
European journal of pharmacology 2003;476(3):211-9.
2003: Phillis John W; O'Regan Michael H
The role of phospholipases, cyclooxygenases, and lipoxygenases in cerebral ischemic/traumatic injuries.
Critical reviews in neurobiology 2003;15(1):61-90.
2003: Phillis John W; O'Regan Michael H
Studies on taurine efflux from the rat cerebral cortex during exposure to hyposmotic, high K+ and ouabain-containing aCSF.
Advances in experimental medicine and biology 2003;526():433-44.
2002: Phillis J W; Diaz F G; O'Regan M H; Pilitsis J G
Effects of immunosuppressants, calcineurin inhibition, and blockade of endoplasmic reticulum calcium channels on free fatty acid efflux from the ischemic/reperfused rat cerebral cortex.
Brain research 2002;957(1):12-24.
2002: Pilitsis J G; Diaz F G; O'Regan M H; Phillis J W
Differential effects of phospholipase inhibitors on free fatty acid efflux in rat cerebral cortex during ischemia-reperfusion injury.
Brain research 2002;951(1):96-106.
2002: Pilitsis Julie G; Coplin William M; O'Regan Michael H; Wellwood Jody M; Diaz Fernando G; Fairfax Marilynn R; Michael Daniel B; Phillis John W
Free fatty acids in human cerebrospinal fluid following subarachnoid hemorrhage and their potential role in vasospasm: a preliminary observation.
Journal of neurosurgery 2002;97(2):272-9.
2002: Phillis J W; O'Regan M H
Evidence for swelling-induced adenosine and adenine nucleotide release in rat cerebral cortex exposed to monocarboxylate-containing or hypotonic artificial cerebrospinal fluids.
Neurochemistry international 2002;40(7):629-35.
2002: Pilitsis Julie G; Diaz Fernando G; O'Regan Michael H; Phillis John W
Inhibition of mitochondrial Na(+)/Ca(2+) exchange by 7-chloro-5-(2-chlorophenyl)-1,5-dihydro-4,1-benzothiazepin-2(3H)-one attenuates free fatty acid efflux in rat cerebral cortex during ischemia-reperfusion injury.
Neuroscience letters 2002;321(1-2):1-4.
2002: Phillis John W; O'Regan Michael H
Energy utilization in the ischemic/reperfused brain.
International review of neurobiology 2002;51():377-414.
2001: Pilitsis J G; Diaz F G; O'Regan M H; Phillis J W
Inhibition of Na(+)/Ca(2+) exchange by KB-R7943, a novel selective antagonist, attenuates phosphoethanolamine and free fatty acid efflux in rat cerebral cortex during ischemia-reperfusion injury.
Brain research 2001;916(1-2):192-8.
2001: Pilitsis J G; Diaz F G; O'Regan M H; Phillis J W
Inhibition of Na(+)/H(+) exchange by SM-20220 attenuates free fatty acid efflux in rat cerebral cortex during ischemia-reperfusion injury.
Brain research 2001;913(2):156-8.
2001: Cassady C J; Phillis J W; O'Regan M H
Further studies on the effects of topical lactate on amino acid efflux from the ischemic rat cortex.
Brain research 2001;901(1-2):30-7.
2001: Guyot L L; Diaz F G; O'Regan M H; Song D; Phillis J W
The effect of streptozotocin-induced diabetes on the release of excitotoxic and other amino acids from the ischemic rat cerebral cortex.
Neurosurgery 2001;48(2):385-90; discussion 390-1.
2001: Guyot L L; Diaz F G; O'Regan M H; McLeod S; Park H; Phillis J W
Real-time measurement of glutamate release from the ischemic penumbra of the rat cerebral cortex using a focal middle cerebral artery occlusion model.
Neuroscience letters 2001;299(1-2):37-40.
2001: Phillis J W; Ren J; O'Regan M H
Studies on the effects of lactate transport inhibition, pyruvate, glucose and glutamine on amino acid, lactate and glucose release from the ischemic rat cerebral cortex.
Journal of neurochemistry 2001;76(1):247-57.
2000: Phillis J W; Ren J; O'Regan M H
Inhibition of Na(+)/H(+) exchange by 5-(N-ethyl-N-isopropyl)-amiloride reduces free fatty acid efflux from the ischemic reperfused rat cerebral cortex.
Brain research 2000;884(1--2):155-62.
2000: Guyot L L; Diaz F G; O'Regan M H; Song D; Phillis J W
The effect of topical insulin on the release of excitotoxic and other amino acids from the rat cerebral cortex during streptozotocin-induced hyperglycemic ischemia.
Brain research 2000;872(1-2):29-36.
2000: Guyot L L; Diaz F G; O'Regan M H; Ren J; Phillis J W
The effect of intravenous insulin on accumulation of excitotoxic and other amino acids in the ischemic rat cerebral cortex.
Neuroscience letters 2000;288(1):61-5.
2000: Phillis J W; Ren J; O'Regan M H
Transporter reversal as a mechanism of glutamate release from the ischemic rat cerebral cortex: studies with DL-threo-beta-benzyloxyaspartate.
Brain research 2000;868(1):105-12.
2000: Phillis J W; O'Regan M H
Hyperglycemia and extracellular glutamate in the ischemic brain.
Stroke; a journal of cerebral circulation 2000;31(6):1462-3.
2000: Guyot L L; Diaz F G; O'Regan M H; Song D; Phillis J W
Topical insulin and accumulation of excitotoxic and other amino acids in ischemic rat cerebral cortex.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) 2000;224(1):28-31.
2000: Estevez A Y; Song D; Phillis J W; O'Regan M H
Effects of the anion channel blocker DIDS on ouabain- and high K(+)-induced release of amino acids from the rat cerebral cortex.
Brain research bulletin 2000;52(1):45-50.
2000: Phillis J W; Song D; O'Regan M H
Mechanisms involved in coronary artery dilatation during respiratory acidosis in the isolated perfused rat heart.
Basic research in cardiology 2000;95(2):93-7.
2000: Guyot L L; Diaz F G; O'Regan M H; Song D; Phillis J W
Topical glucose and accumulation of excitotoxic and other amino acids in ischemic cerebral cortex.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme 2000;32(1):6-9.
1999: Phillis J W; Song D; O'Regan M H
Melittin enhances amino acid and free fatty acid release from the in vivo cerebral cortex.
Brain research 1999;847(2):270-5.
1999: Phillis J W; O'Regan M H; Song D
Further evidence for the role of adenosine in hypercapnia/acidosis-evoked coronary flow regulation.
General pharmacology 1999;33(5):431-7.
1999: Estevez A Y; O'Regan M H; Song D; Phillis J W
Hyposmotically induced amino acid release from the rat cerebral cortex: role of phospholipases and protein kinases.
Brain research 1999;844(1-2):1-9.
1999: Phillis J W; Song D; Guyot L L; O'Regan M H
Failure of kynurenic acid to inhibit amino acid release from the ischemic rat cerebral cortex.
Neuroscience letters 1999;273(1):21-4.
1999: Phillis J W; Song D; Guyot L L; O'Regan M H
Lactate reduces amino acid release and fuels recovery of function in the ischemic brain.
Neuroscience letters 1999;272(3):195-8.
1999: Phillis J W; Estevez A Y; Guyot L L; O'Regan M H
5-(N-Ethyl-N-isopropyl)-amiloride, an Na(+)-H(+) exchange inhibitor, protects gerbil hippocampal neurons from ischemic injury.
Brain research 1999;839(1):199-202.
1999: Phillis J W; Song D; O'Regan M H
Effect of hyperglycemia on extracellular levels of amino acids and free fatty acids in the ischemic/reperfused rat cerebral cortex.
Brain research 1999;837(1-2):177-83.
1999: Song D; O'Regan M H; Phillis J W
Role of nitric oxide in rat coronary flow regulation during respiratory and metabolic acidosis.
General pharmacology 1999;32(5):571-5.
1999: Saluja I; O'Regan M H; Song D; Phillis J W
Activation of cPLA2, PKC, and ERKs in the rat cerebral cortex during ischemia/reperfusion.
Neurochemical research 1999;24(5):669-77.
1999: Phillis J W; Song D; O'Regan M H
Effects of hyperosmolarity and ion substitutions on amino acid efflux from the ischemic rat cerebral cortex.
Brain research 1999;828(1-2):1-11.
1999: Estevez A Y; O'Regan M H; Song D; Phillis J W
Effects of anion channel blockers on hyposmotically induced amino acid release from the in vivo rat cerebral cortex.
Neurochemical research 1999;24(3):447-52.
1998: Song D; O'Regan M H; Phillis J W
Protein kinase inhibitors attenuate cardiac swelling-induced amino acid release in the rat.
The Journal of pharmacy and pharmacology 1998;50(11):1280-6.
1998: Phillis J W; O'Regan M H; Song D
5-(N-Ethyl-N-isopropyl)-amiloride inhibits amino acid release from the ischemic rat cerebral cortex: role of Na+-H+ exchange.
Brain research 1998;812(1-2):297-300.
1998: Phillis J W; Song D; O'Regan M H
The role of adenosine in rat coronary flow regulation during respiratory and metabolic acidosis.
European journal of pharmacology 1998;356(2-3):199-206.
1998: Song D; O'Regan M H; Phillis J W
Mechanisms of amino acid release from the isolated anoxic/reperfused rat heart.
European journal of pharmacology 1998;351(3):313-22.
1998: Phillis J W; Estevez A Y; O'Regan M H
Protective effects of the free radical scavengers, dimethyl sulfoxide and ethanol, in cerebral ischemia in gerbils.
Neuroscience letters 1998;244(2):109-11.
1998: Song D; O'Regan M H; Phillis J W
Amino acid release during volume regulation by cardiac cells: cellular mechanisms.
European journal of pharmacology 1998;341(2-3):273-80.
1998: Phillis J W; Song D; O'Regan M H
Tamoxifen, a chloride channel blocker, reduces glutamate and aspartate release from the ischemic cerebral cortex.
Brain research 1998;780(2):352-5.
1997: Saluja I; Song D; O'Regan M H; Phillis J W
Role of phospholipase A2 in the release of free fatty acids during ischemia-reperfusion in the rat cerebral cortex.
Neuroscience letters 1997;233(2-3):97-100.
1997: Phillis J W; Song D; O'Regan M H
Inhibition by anion channel blockers of ischemia-evoked release of excitotoxic and other amino acids from rat cerebral cortex.
Brain research 1997;758(1-2):9-16.
1997: O'Regan M H; Song D; VanderHeide S J; Phillis J W
Free radicals and the ischemia-evoked extracellular accumulation of amino acids in rat cerebral cortex.
Neurochemical research 1997;22(3):273-80.
1996: Song D; O'Regan M H; Phillis J W
Release of the excitotoxic amino acids, glutamate and aspartate, from the isolated ischemic/anoxic rat heart.
Neuroscience letters 1996;220(1):1-4.
1996: Phillis J W; O'Regan M H; Estevez A Y; Song D; VanderHeide S J
Cerebral energy metabolism during severe ischemia of varying duration and following reperfusion.
Journal of neurochemistry 1996;67(4):1525-31.
1996: Phillis J W; O'Regan M H
Mechanisms of glutamate and aspartate release in the ischemic rat cerebral cortex.
Brain research 1996;730(1-2):150-64.
1996: Phillis J W; Smith-Barbour M; O'Regan M H
Changes in extracellular amino acid neurotransmitters and purines during and following ischemias of different durations in the rat cerebral cortex.
Neurochemistry international 1996;29(2):115-20.
1996: Phillis J W; Song D; O'Regan M H
Inhibition of tyrosine phosphorylation attenuates amino acid neurotransmitter release from the ischemic/reperfused rat cerebral cortex.
Neuroscience letters 1996;207(3):151-4.
1996: Phillis J W; O'Regan M H
Effects of an inhibitor of adenosine deaminase, deoxycoformycin, and of nucleoside transport, propentofylline, on post-ischemic recovery of adenine nucleotides in rat brain.
Neurochemical research 1996;21(3):347-53.
1996: O'Regan M H; Alix S; Woodbury D J
Phospholipase A2-evoked destabilization of planar lipid membranes.
Neuroscience letters 1996;202(3):201-3.
1995: Phillis J W; O'Regan M H
GM1 ganglioside inhibits ischemic release of amino acid neurotransmitters from rat cortex.
Neuroreport 1995;6(15):2010-2.
1995: O'Regan M H; Perkins L M; Phillis J W
Arachidonic acid and lysophosphatidylcholine modulate excitatory transmitter amino acid release from the rat cerebral cortex.
Neuroscience letters 1995;193(2):85-8.
1995: Phillis J W; Perkins L M; Smith-Barbour M; O'Regan M H
Oxypurinol-enhanced postischemic recovery of the rat brain involves preservation of adenine nucleotides.
Journal of neurochemistry 1995;64(5):2177-84.
1995: O'Regan M H; Smith-Barbour M; Perkins L M; Phillis J W
A possible role for phospholipases in the release of neurotransmitter amino acids from ischemic rat cerebral cortex.
Neuroscience letters 1995;185(3):191-4.
1994: Phillis J W; Perkins L M; Smith-Barbour M; O'Regan M H
Transmitter amino acid release from rat neocortex: complete versus incomplete ischemia models.
Neurochemical research 1994;19(11):1387-92.
1994: O'Regan M H; Smith-Barbour M; Perkins L M; Cao X; Phillis J W
The effect of amflutizole, a xanthine oxidase inhibitor, on ischemia-evoked purine release and free radical formation in the rat cerebral cortex.
Neuropharmacology 1994;33(10):1197-201.
1994: Phillis J W; Smith-Barbour M; O'Regan M H; Perkins L M
Amino acid and purine release in rat brain following temporary middle cerebral artery occlusion.
Neurochemical research 1994;19(9):1125-30.
1994: Phillis J W; Smith-Barbour M; Perkins L M; O'Regan M H
Indomethacin modulates ischemia-evoked release of glutamate and adenosine from the rat cerebral cortex.
Brain research 1994;652(2):353-6.
1994: Phillis J W; Smith-Barbour M; Perkins L M; O'Regan M H
Characterization of glutamate, aspartate, and GABA release from ischemic rat cerebral cortex.
Brain research bulletin 1994;34(5):457-66.
1993: O'Regan M H; Cobbett P
Somatic currents contribute to frequency-dependent spike-broadening in supraoptic neuroendocrine cells.
Neuroscience letters 1993;161(2):169-73.
1993: Phillis J W; Smith-Barbour M; Perkins L M; O'Regan M H
Acetylcholine output from the ischemic rat cerebral cortex: effects of adenosine agonists.
Brain research 1993;613(2):337-40.
1993: Phillis J W; O'Regan M H; Perkins L M
Effect of adenosine receptor agonists on spontaneous and K(+)-evoked acetylcholine release from the in vivo rat cerebral cortex.
Brain research 1993;605(2):293-7.
1993: Phillis J W; O'Regan M H; Perkins L M
Adenosine 5'-triphosphate release from the normoxic and hypoxic in vivo rat cerebral cortex.
Neuroscience letters 1993;151(1):94-6.
1993: Phillis J W; Smith-Barbour M; Perkins L M; O'Regan M H
GYKI 52466 and ischemia-evoked neurotransmitter amino acid release from rat cerebral cortex.
Neuroreport 1993;4(1):109-11.
1993: Phillis J W; Perkins L M; O'Regan M H
Potassium-evoked efflux of transmitter amino acids and purines from rat cerebral cortex.
Brain research bulletin 1993;31(5):547-52.
1992: Phillis J W; O'Regan M H; Perkins L M
Actions of ethanol and acetate on rat cortical neurons: ethanol/adenosine interactions.
Alcohol (Fayetteville, N.Y.) 1992;9(6):541-6.
1992: O'Regan M H; Simpson R E; Perkins L M; Phillis J W
Adenosine receptor agonists inhibit the release of gamma-aminobutyric acid (GABA) from the ischemic rat cerebral cortex.
Brain research 1992;582(1):22-6.
1992: Simpson R E; O'Regan M H; Perkins L M; Phillis J W
Excitatory transmitter amino acid release from the ischemic rat cerebral cortex: effects of adenosine receptor agonists and antagonists.
Journal of neurochemistry 1992;58(5):1683-90.
1992: O'Regan M H; Simpson R E; Perkins L M; Phillis J W
The selective A2 adenosine receptor agonist CGS 21680 enhances excitatory transmitter amino acid release from the ischemic rat cerebral cortex.
Neuroscience letters 1992;138(1):169-72.
1992: Phillis J W; O'Regan M H; Perkins L M
Measurement of rat plasma adenosine levels during normoxia and hypoxia.
Life sciences 1992;51(15):PL149-52.
1991: Phillis J W; Barraco R A; O'Regan M H
Inhibition of K(+)-evoked acetylcholine release.
Journal of neurochemistry 1991;57(1):356-8.
1991: O'Regan M H; Kocsis J D; Waxman S G
Nimodipine and nifedipine enhance transmission at the Schaffer collateral CA1 pyramidal neuron synapse.
Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale 1991;84(1):224-8.
1990: O'Regan M H; Kocsis J D; Waxman S G
Depolarization-dependent actions of dihydropyridines on synaptic transmission in the in vitro rat hippocampus.
Brain research 1990;527(2):181-91.
1989: Phillis J W; O'Regan M H
Deoxycoformycin antagonizes ischemia-induced neuronal degeneration.
Brain research bulletin 1989;22(3):537-40.
1989: Phillis J W; O'Regan M H; Walter G A
Effects of two nucleoside transport inhibitors, dipyridamole and soluflazine, on purine release from the rat cerebral cortex.
Brain research 1989;481(2):309-16.
1989: O'Regan M H
Xylazine-evoked depression of rat cerebral cortical neurons: a pharmacological study.
General pharmacology 1989;20(4):469-74.
1988: Steigerwald E S; Rusiniak K W; Eckel D L; O'Regan M H
Aversive conditioning properties of caffeine in rats.
Pharmacology, biochemistry, and behavior 1988;31(3):579-84.
1988: Phillis J W; O'Regan M H; Walter G A
Effects of deoxycoformycin on adenosine, inosine, hypoxanthine, xanthine, and uric acid release from the hypoxemic rat cerebral cortex.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1988;8(5):733-41.
1988: Phillis J W; O'Regan M H
Benzodiazepine interaction with adenosine systems explains some anomalies in GABA hypothesis.
Trends in pharmacological sciences 1988;9(5):153-4.
1988: O'Regan M H; Phillis J W
Potentiation of adenosine-evoked depression of rat cerebral cortical neurons by triazolam.
Brain research 1988;445(2):376-9.
1988: Phillis J W; O'Regan M H; Walter G A
Effects of nifedipine and felodipine on adenosine and inosine release from the hypoxemic rat cerebral cortex.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1988;8(2):179-85.
1988: Phillis J W; O'Regan M H
Effects of estradiol on cerebral cortical neurons and their responses to adenosine.
Brain research bulletin 1988;20(2):151-5.
1988: Phillis J W; O'Regan M H
The role of adenosine in the central actions of the benzodiazepines.
Progress in neuro-psychopharmacology & biological psychiatry 1988;12(4):389-404.
1987: Phillis J W; Walter G A; O'Regan M H; Stair R E
Increases in cerebral cortical perfusate adenosine and inosine concentrations during hypoxia and ischemia.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1987;7(6):679-86.
1987: O'Regan M H; Phillis J W
Pertussis toxin blocks the inhibitory effect of adenosine on rat cerebral cortical neurons.
Brain research 1987;436(2):380-3.
1987: Phillis J W; O'Regan M H; Stair R E
Adenosine potentiation and antagonism may account for the diverse behavioral actions of Ro 5-4864.
Brain research 1987;416(1):171-4.

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