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George Somogyi

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Anatomy

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Muscle Contraction

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Spinal Cord Injuries

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H Henry Lai; Alvaro Munoz; Christopher P Smith; Timothy B Boone; George Somogyi
Plasticity of non-adrenergic non-cholinergic bladder contractions in rats after chronic spinal cord injury.
Alvaro Munoz; Christopher P Smith; Timothy B Boone; George Somogyi
Overactive and underactive bladder dysfunction is reflected by alterations in urothelial ATP and NO release.
Alvaro Munoz; David A Gangitano; Christopher P Smith; Timothy B Boone; George Somogyi
Removal of urothelium affects bladder contractility and release of ATP but not release of NO in rat urinary bladder.

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All Publications

2011: H Henry Lai; Alvaro Munoz; Christopher P Smith; Timothy B Boone; George Somogyi
Plasticity of non-adrenergic non-cholinergic bladder contractions in rats after chronic spinal cord injury.
Brain research bulletin 2011;86(1-2):91-6.
2011: Alvaro Munoz; Christopher P Smith; Timothy B Boone; George Somogyi
Overactive and underactive bladder dysfunction is reflected by alterations in urothelial ATP and NO release.
Neurochemistry international 2011;58(3):295-300.
2010: Alvaro Munoz; David A Gangitano; Christopher P Smith; Timothy B Boone; George Somogyi
Removal of urothelium affects bladder contractility and release of ATP but not release of NO in rat urinary bladder.
BMC urology 2010;10():10.
2008: H Henry Lai; Christopher P Smith; Alvaro Munoz; Timothy B Boone; Gyula Péter Szigeti; George Somogyi
Activation of cholinergic receptors blocks non-adrenergic non-cholinergic contractions in the rat urinary bladder.
Brain research bulletin 2008;77(6):420-6.
2008: Michael B Chancellor; Clare J Fowler; Apostolos Apostolidis; william chesney de groat; Christopher P Smith; George Somogyi; K Roger Aoki
Drug Insight: biological effects of botulinum toxin A in the lower urinary tract.
Nature clinical practice. Urology 2008;5(6):319-28.
2008: Christopher P Smith; David A Gangitano; Alvaro Munoz; Nilson A Salas; Timothy B Boone; K Roger Aoki; Joseph Francis; George Somogyi
Botulinum toxin type A normalizes alterations in urothelial ATP and NO release induced by chronic spinal cord injury.
Neurochemistry international 2008;52(6):1068-75.
2008: Phillip P Smith; Eric Hurtado; Christopher P Smith; Timothy B Boone; George Somogyi
Comparison of cystometric methods in female rats.
Neurourology and urodynamics 2008;27(4):324-9.
2007: H Henry Lai; Timothy B Boone; Timothy C Thompson; Christopher P Smith; George Somogyi
Using caveolin-1 knockout mouse to study impaired detrusor contractility and disrupted muscarinic activity in the aging bladder.
Urology 2007;69(2):407-11.
2007: Mohit Khera; Timothy B Boone; Nilson A Salas; Mary-Frances Jett; George Somogyi
The role of the prostacyclin receptor antagonist RO3244019 in treating neurogenic detrusor overactivity after spinal cord injury in rats.
BJU international 2007;99(2):442-6.
2007: Phillip P Smith; Christopher P Smith; Timothy B Boone; George Somogyi
Is abdominal wall contraction important for normal voiding in the female rat?
BMC urology 2007;7():5.
2007: Nilson A Salas; George Somogyi; David A Gangitano; Timothy B Boone; Christopher P Smith
Receptor activated bladder and spinal ATP release in neurally intact and chronic spinal cord injured rats.
Neurochemistry international 2007;50(2):345-50.
2005: Christopher P Smith; Vijaya M Vemulakonda; Susanna Kiss; Timothy B Boone; George Somogyi
Enhanced ATP release from rat bladder urothelium during chronic bladder inflammation: effect of botulinum toxin A.
Neurochemistry international 2005;47(4):291-7.
2005: Mohit Khera; George Somogyi; Nilson A Salas; Susanna Kiss; Timothy B Boone; Christopher P Smith
In vivo effects of botulinum toxin A on visceral sensory function in chronic spinal cord-injured rats.
Urology 2005;66(1):208-12.
2005: Vijaya M Vemulakonda; George Somogyi; Susanna Kiss; Nilson A Salas; Timothy B Boone; Christopher P Smith
Inhibitory effect of intravesically applied botulinum toxin A in chronic bladder inflammation.
The Journal of urology 2005;173(2):621-4.
2005: Gyula Péter Szigeti; George Somogyi; Laszlo Csernoch; Eniko A Széll
Age-dependence of the spontaneous activity of the rat urinary bladder.
Journal of muscle research and cell motility 2005;26(1):23-9.
2004: Christopher P Smith; George Somogyi; Michael B Chancellor; Rodney A Appell
A case for botulinum toxin-A in idiopathic bladder overactivity.
Current urology reports 2004;5(6):432-6.
2004: H Henry Lai; Timothy B Boone; Guang Yang; Christopher P Smith; Susanna Kiss; Timothy C Thompson; George Somogyi
Loss of caveolin-1 expression is associated with disruption of muscarinic cholinergic activities in the urinary bladder.
Neurochemistry international 2004;45(8):1185-93.
2004: Mohit Khera; George Somogyi; Susanna Kiss; Timothy B Boone; Christopher P Smith
Botulinum toxin A inhibits ATP release from bladder urothelium after chronic spinal cord injury.
Neurochemistry international 2004;45(7):987-93.
2004: Christopher P Smith; George Somogyi; Timothy B Boone
Botulinum toxin in urology: evaluation using an evidence-based medicine approach.
Nature clinical practice. Urology 2004;1(1):31-7.
2004: Christopher P Smith; Piotr Radziszewski; Andrzej Borkowski; George Somogyi; Timothy B Boone; Michael B Chancellor
Botulinum toxin a has antinociceptive effects in treating interstitial cystitis.
Urology 2004;64(5):871-5; discussion 875.
2003: Tracy W Cannon; Ji Youl Lee; George Somogyi; Ryan Pruchnic; Christopher P Smith; Johnny Huard; Michael B Chancellor
Improved sphincter contractility after allogenic muscle-derived progenitor cell injection into the denervated rat urethra.
Urology 2003;62(5):958-63.
2003: Eniko A Széll; George Somogyi; william chesney de groat; Gyula Péter Szigeti
Developmental changes in spontaneous smooth muscle activity in the neonatal rat urinary bladder.
American journal of physiology. Regulatory, integrative and comparative physiology 2003;285(4):R809-16.
2003: Rita Benkó; Zsófia Lázár; Róbert Pórszász; George Somogyi; Lorand Barthó
Effect of experimental diabetes on cholinergic, purinergic and peptidergic motor responses of the isolated rat bladder to electrical field stimulation or capsaicin.
European journal of pharmacology 2003;478(1):73-80.
2003: Christopher P Smith; Timothy B Boone; william chesney de groat; Michael B Chancellor; George Somogyi
Effect of stimulation intensity and botulinum toxin isoform on rat bladder strip contractions.
Brain research bulletin 2003;61(2):165-71.
2003: George Somogyi; Ganna V Zernova; Mitsuharu Yoshiyama; Jeova N Rocha; Christopher P Smith; william chesney de groat
Change in muscarinic modulation of transmitter release in the rat urinary bladder after spinal cord injury.
Neurochemistry international 2003;43(1):73-7.
2003: Shing-Hwa Lu; Tracy W Cannon; Christopher Chermanski; Ryan Pruchnic; George Somogyi; Michael Sacks; william chesney de groat; Johnny Huard; Michael B Chancellor
Muscle-derived stem cells seeded into acellular scaffolds develop calcium-dependent contractile activity that is modulated by nicotinic receptors.
Urology 2003;61(6):1285-91.
2003: Christopher P Smith; Michael E Franks; Brian K McNeil; Rudrani Ghosh; william chesney de groat; Michael B Chancellor; George Somogyi
Effect of botulinum toxin A on the autonomic nervous system of the rat lower urinary tract.
The Journal of urology 2003;169(5):1896-900.
2003: Yao-Chi Chuang; Christopher P Smith; George Somogyi; Michael B Chancellor
Botulinum toxin treatment of urethral and bladder dysfunction.
Journal of the Formosan Medical Association = Taiwan yi zhi 2003;102(1):5-11.
2002: Teruhiko Yokoyama; Hiromi Kumon; Christopher P Smith; George Somogyi; Michael B Chancellor
Botulinum toxin treatment of urethral and bladder dysfunction.
Acta medica Okayama 2002;56(6):271-7.
2002: Johnny Huard; T Yokoyama; Ryan Pruchnic; Z Qu; Y Li; J Y Lee; George Somogyi; william chesney de groat; Michael B Chancellor
Muscle-derived cell-mediated ex vivo gene therapy for urological dysfunction.
Gene therapy 2002;9(23):1617-26.
2002: Christopher P Smith; George Somogyi; Michael B Chancellor
Botulinum toxin treatment of urethral and bladder dysfunction.
International braz j urol : official journal of the Brazilian Society of Urology 2002;28(6):545-52.
2002: George Somogyi; Teruhiko Yokoyama; Eniko A Szell; Christopher P Smith; william chesney de groat; Johnny Huard; Michael B Chancellor
Effect of cryoinjury on the contractile parameters of bladder strips: a model of impaired detrusor contractility.
Brain research bulletin 2002;59(1):23-8.
2002: Christopher P Smith; George Somogyi; Michael B Chancellor
Emerging role of botulinum toxin in the treatment of neurogenic and non-neurogenic voiding dysfunction.
Current urology reports 2002;3(5):382-7.
2002: D Claire Gloeckner; Michael S Sacks; Matthew Fraser; George Somogyi; william chesney de groat; Michael B Chancellor
Passive biaxial mechanical properties of the rat bladder wall after spinal cord injury.
The Journal of urology 2002;167(5):2247-52.
2002: Buffington Tony; Bunyen Teng; George Somogyi
Norepinephrine content and adrenoceptor function in the bladder of cats with feline interstitial cystitis.
The Journal of urology 2002;167(4):1876-80.
2002: Christopher P Smith; George Somogyi; Erin T Bird; Michael B Chancellor; Timothy B Boone
Neurogenic bladder model for spinal cord injury: spinal cord microdialysis and chronic urodynamics.
Brain research. Brain research protocols 2002;9(1):57-64.
2002: Christopher P Smith; George Somogyi; Michael B Chancellor
Botulinum toxin: poisoning the spastic bladder and urethra.
Reviews in urology 2002;4(2):61-8.
2002: Christopher P Smith; Margie O'Leary; J Erickson; George Somogyi; Michael B Chancellor
Botulinum toxin urethral sphincter injection resolves urinary retention after pubovaginal sling operation.
International urogynecology journal and pelvic floor dysfunction 2002;13(3):185-6.
2002: Charles S Day; Boonsin Buranapanitkit; Felix Riano; Matthew M Tomaino; George Somogyi; Dean G Sotereanos; Ryosuke Kuroda; Johnny Huard
Insulin growth factor-1 decreases muscle atrophy following denervation.
Microsurgery 2002;22(4):144-51.
2002: Christopher P Smith; Margie O'Leary; J Erickson; George Somogyi; Michael B Chancellor
Botulinum toxin urethral sphincter injection resolves urinary retention after pubovaginal sling operation.
International urogynecology journal and pelvic floor dysfunction 2002;13(1):55-6.
2001: Adrian Sculptoreanu; Naoki Yoshimura; william chesney de groat; George Somogyi
Protein kinase C is involved in M1-muscarinic receptor-mediated facilitation of L-type Ca2+ channels in neurons of the major pelvic ganglion of the adult male rat.
Neurochemical research 2001;26(8-9):933-42.
2001: Michael W Phelan; Michael E Franks; George Somogyi; Teruhiko Yokoyama; Matthew Fraser; John Lavelle; Naoki Yoshimura; Michael B Chancellor
Botulinum toxin urethral sphincter injection to restore bladder emptying in men and women with voiding dysfunction.
The Journal of urology 2001;165(4):1107-10.
2001: T Yamamoto; R Ghosh; william chesney de groat; George Somogyi
Facilitation of transmitter release in the urinary bladders of neonatal and adult rats via alpha1-adrenoceptors.
European journal of pharmacology 2001;414(1):31-5.
2001: Charles S Day; Felix Riano; Matthew M Tomaino; B Buranatanitkit; George Somogyi; Dean G Sotereanos; Johnny Huard
Growth factor may decrease muscle atrophy secondary to denervation.
Journal of reconstructive microsurgery 2001;17(1):51-7.
2000: Eniko A Széll; T Yamamoto; william chesney de groat; George Somogyi
Smooth muscle and parasympathetic nerve terminals in the rat urinary bladder have different subtypes of alpha(1) adrenoceptors.
British journal of pharmacology 2000;130(7):1685-91.
2000: C Kasemkijwattana; J Menetrey; Patrick P Bosch; George Somogyi; Morey S Moreland; Freddie H Fu; Boonsin Buranapanitkit; S S Watkins; Johnny Huard
Use of growth factors to improve muscle healing after strain injury.
Clinical orthopaedics and related research 2000;(370):272-85.
1999: G Audolfsson; O Bayguinov; T Yamamoto; George Somogyi; Wolfgang H Schraut; K M Sanders; Anthony Bauer
Review article: effects of the 5-HT3 receptor antagonist alosetron on neuromuscular transmission in canine and human intestinal muscle.
Alimentary pharmacology & therapeutics 1999;13 Suppl 2():39-47.
1999: Serguei Liachenko; Pei Tang; George Somogyi; Yan Xu
Concentration-dependent isoflurane effects on depolarization-evoked glutamate and GABA outflows from mouse brain slices.
British journal of pharmacology 1999;127(1):131-8.
1999: william chesney de groat; Mitsuharu Yoshiyama; A G Ramage; T Yamamoto; George Somogyi
Modulation of voiding and storage reflexes by activation of alpha1-adrenoceptors.
European urology 1999;36 Suppl 1():68-73.
1999: George Somogyi; william chesney de groat
Function, signal transduction mechanisms and plasticity of presynaptic muscarinic receptors in the urinary bladder.
Life sciences 1999;64(6-7):411-8.
1998: George Somogyi; Ganna V Zernova; Mitsuharu Yoshiyama; T Yamamoto; william chesney de groat
Frequency dependence of muscarinic facilitation of transmitter release in urinary bladder strips from neurally intact or chronic spinal cord transected rats.
British journal of pharmacology 1998;125(2):241-6.
1998: Serguei Liachenko; Pei Tang; George Somogyi; Yan Xu
Comparison of anaesthetic and non-anaesthetic effects on depolarization-evoked glutamate and GABA release from mouse cerebrocortical slices.
British journal of pharmacology 1998;123(6):1274-80.
1997: George Somogyi; Ganna V Zernova; M Tanowitz; william chesney de groat
Role of L- and N-type Ca2+ channels in muscarinic receptor-mediated facilitation of ACh and noradrenaline release in the rat urinary bladder.
The Journal of physiology 1997;499 ( Pt 3)():645-54.
1996: George Somogyi; M Tanowitz; G Zernova; william chesney de groat
M1 muscarinic receptor-induced facilitation of ACh and noradrenaline release in the rat bladder is mediated by protein kinase C.
The Journal of physiology 1996;496 ( Pt 1)():245-54.
1995: George Somogyi; M Tanowitz; william chesney de groat
Prejunctional facilitatory alpha 1-adrenoceptors in the rat urinary bladder.
British journal of pharmacology 1995;114(8):1710-6.
1994: George Somogyi; M Tanowitz; william chesney de groat
M1 muscarinic receptor-mediated facilitation of acetylcholine release in the rat urinary bladder.
The Journal of physiology 1994;480 ( Pt 1)():81-9.
1994: L V Tran; George Somogyi; william chesney de groat
Inhibitory effect of neuropeptide Y on adrenergic and cholinergic transmission in rat urinary bladder and urethra.
The American journal of physiology 1994;266(4 Pt 2):R1411-7.
1993: J Zoubek; George Somogyi; william chesney de groat
A comparison of inhibitory effects of neuropeptide Y on rat urinary bladder, urethra, and vas deferens.
The American journal of physiology 1993;265(3 Pt 2):R537-43.
1993: George Somogyi; william chesney de groat
Modulation of release of [3H]acetylcholine in the major pelvic ganglion of the rat.
The American journal of physiology 1993;264(6 Pt 2):R1084-8.
1992: George Somogyi; william chesney de groat
Evidence for inhibitory nicotinic and facilitatory muscarinic receptors in cholinergic nerve terminals of the rat urinary bladder.
Journal of the autonomic nervous system 1992;37(2):89-97.
1991: George Somogyi; Janet R Keast; E S Vizi
Presynaptic modulation of the release of noradrenaline from electrically stimulated bicuspid valve leaflet of the rabbit heart.
Journal of the autonomic nervous system 1991;35(2):99-106.
1991: George Somogyi; James M Perel
Biphasic effect of tricyclic antidepressants on the release of norepinephrine from the adrenergic nerves of the rabbit heart.
Psychopharmacology 1991;104(2):237-43.
1990: George Somogyi; william chesney de groat
Modulation of the release of [3H]norepinephrine from the base and body of the rat urinary bladder by endogenous adrenergic and cholinergic mechanisms.
The Journal of pharmacology and experimental therapeutics 1990;255(1):204-10.
1990: O Kadlec; I Seferna; J Sevcik; George Somogyi; E S Vizi
The topographical basis of cholinergic transmission in guinea-pig ileum myenteric plexus.
Neuroscience 1990;36(3):793-802.
1989: George Somogyi; James M Perel
Antagonism by tricyclic antidepressants of the muscarinic receptors located on the adrenergic nerve endings in rabbit heart atrium.
The Journal of pharmacology and experimental therapeutics 1989;251(3):922-8.
1989: E Sylvester Vizi; George Somogyi
Prejunctional modulation of acetylcholine release from the skeletal neuromuscular junction: link between positive (nicotinic)- and negative (muscarinic)-feedback modulation.
British journal of pharmacology 1989;97(1):65-70.
1988: George Somogyi; E Sylvester Vizi
Evidence that cholinergic axon terminals are equipped with both muscarinic and adenosine receptors.
Brain research bulletin 1988;21(4):575-9.
1987: V Dolezal; George Somogyi; S Bernath; S Tucek; E S Vizi
Effect of lanthanum on the release of acetylcholine from the myenteric plexus and on its activation by ouabain and electrical stimulation.
Journal of neurochemistry 1987;49(2):503-6.
1987: E S Vizi; I Toth; George Somogyi; L Szabo; László Gábor Hársing; C Szantay
Berbanes: a new class of selective alpha 2-adrenoceptor antagonists.
Journal of medicinal chemistry 1987;30(8):1355-9.
1987: George Somogyi; E Sylvester Vizi; I A Chaudhry; H Nagashima; D Duncalf; F F Foldes; P L Goldiner
Modulation of stimulation-evoked release of newly formed acetylcholine from mouse hemidiaphragm preparation.
Naunyn-Schmiedeberg's archives of pharmacology 1987;336(1):11-5.
1987: J Kapocsi; George Somogyi; N Ludvig; P Serfozo; László Gábor Hársing; R J Woods; E S Vizi
Neurochemical evidence for two types of presynaptic alpha 2-adrenoceptors.
Neurochemical research 1987;12(2):141-7.
1987: E Sylvester Vizi; George Somogyi; H Nagashima; D Duncalf; I A Chaudhry; O Kobayashi; P L Goldiner; F F Foldes
Tubocurarine and pancuronium inhibit evoked release of acetylcholine from the mouse hemidiaphragm preparation.
British journal of anaesthesia 1987;59(2):226-31.
1986: E S Vizi; László Gábor Hársing; J Gaal; J Kapocsi; S Bernath; George Somogyi
CH-38083, a selective, potent antagonist of alpha-2 adrenoceptors.
The Journal of pharmacology and experimental therapeutics 1986;238(2):701-6.
1986: O Kadlec; George Somogyi; I Seferna; Karel Masek; E S Vizi
Interactions between the duration of stimulation and noradrenaline on cholinergic transmission in the myenteric plexus-smooth muscle preparation.
Brain research bulletin 1986;16(2):171-8.
1986: E S Vizi; George Somogyi; László Gábor Hársing; I Zimanyi
Release of [3H]noradrenaline by alpha 1-adrenoceptor agonists.
Neurochemical research 1986;11(1):71-84.
1985: E S Vizi; George Somogyi; László Gábor Hársing; I Zimanyi
External Ca-independent release of norepinephrine by sympathomimetics and its role in negative feedback modulation.
Proceedings of the National Academy of Sciences of the United States of America 1985;82(24):8775-9.
1984: Gábor Varga; M Papp; László Gábor Hársing; Toth Ida; G Gaál; George Somogyi; E Sylvester Vizi
Neuroeffector transmission of the hepatic and pancreatico-duodenal isolated arteries of the dog.
Gastroenterology 1984;87(5):1056-63.
1984: E S Vizi; T Horváth; George Somogyi
Evidence that somatostatin releases endogenous substance(s) responsible for its presynaptic inhibitory effect on rat vas deferens and guinea pig ileum.
Neuroendocrinology 1984;39(2):142-8.
1984: László Gábor Hársing; András Z Rónai; George Somogyi; H Umezawa; S Bajusz; E Sylvester Vizi
Met5-enkephalin-Arg6-Phe7 inhibition of noradrenaline and acetylcholine release from peripheral organs.
Journal of autonomic pharmacology 1984;4(1):33-43.
1983: E S Vizi; Klára Gyires; George Somogyi; G Ungváry
Evidence that transmitter can be released from regions of the nerve cell other than presynaptic axon terminal: axonal release of acetylcholine without modulation.
Neuroscience 1983;10(3):967-72.
1982: Zsuzsanna Fürst; T Friedmann; A Bartolini; R Bartolini; P Aiello-Malmberg; A Galli; George Somogyi; J Knoll
Direct evidence that eseroline possesses morphine-like effects.
European journal of pharmacology 1982;83(3-4):233-41.
1982: O Kadlec; I Seferna; Karel Masek; George Somogyi; J Knoll
The analysis of post-tetanic potentiation in guinea-pig ileum longitudinal muscle strip.
European journal of pharmacology 1982;79(3-4):245-55.
1981: E S Vizi; George Somogyi; K Magyar
Evidence that morphine and opioid peptides do not share a common pathway with adenosine in inhibiting acetylcholine release from isolated intestine.
Journal of autonomic pharmacology 1981;1(5):413-9.
1981: J Knoll; L Kerecsen; George Somogyi; A Kovács
Opiate agonists inhibit noradrenaline release via opiate B-receptors and N-cyclopropylmethylnorazidomorphine (CAM) blocks electrically evoked contractions via histamine in the mouse vas deferens.
Archives internationales de pharmacodynamie et de thérapie 1981;251(1):52-65.
1977: George Somogyi; E S Vizi; J Knoll
Effect of hemicholinium-3 on the release and net synthesis of acetylcholine in Auerbach's plexus of guinea pig ileum.
Neuroscience 1977;2(5):791-6.
1974: P S Bourdois; J F Mitchell; George Somogyi; J C Szerb
The output per stimulus of acetylcholine from cerebral cortical slices in the presence or absence of cholinesterase inhibition.
British journal of pharmacology 1974;52(4):509-17.
1973: J C Szerb; George Somogyi
Depression of acetylcholine release from cerebral cortical slices by cholinesterase inhibition and by oxotremorine.
Nature: New biology 1973;241(108):121-2.
1973: E S Vizi; George Somogyi; P Hadházy; J Knoll
Effect of duration and frequency of stimulation on the presynaptic inhibition by alpha-adrenoceptor stimulation of the adrenergic transmission.
Naunyn-Schmiedeberg's archives of pharmacology 1973;280(1):79-91.
1972: George Somogyi; J C Szerb
Demonstration of acetylcholine release by measuring efflux of labelled choline from cerebral cortical slices.
Journal of neurochemistry 1972;19(11):2667-77.
1972: J Knoll; George Somogyi; P Illés; E S Vizi
Acetylcholine release from isolated vas deferens of the rat.
Naunyn-Schmiedeberg's archives of pharmacology 1972;274(2):198-202.