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Soundar Regunathan

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Publications

TOP 3
Tijen Utkan; Semil S Gocmez; Soundar Regunathan; Feyza Aricioglu
Agmatine, a metabolite of L-arginine, reverses scopolamine-induced learning and memory impairment in rats.
Abiye H Iyo; A M Feyissa; A Chandran; M C Austin; Soundar Regunathan; Beata Karolewicz
Chronic corticosterone administration down-regulates metabotropic glutamate receptor 5 protein expression in the rat hippocampus.
Soundar Regunathan; Damon Dozier; Ramarao Takkalapalli; William J Phillips
Agmatine levels in the cerebrospinal fluid of normal human volunteers.

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All Publications

2012: Tijen Utkan; Semil S Gocmez; Soundar Regunathan; Feyza Aricioglu
Agmatine, a metabolite of L-arginine, reverses scopolamine-induced learning and memory impairment in rats.
Pharmacology, biochemistry, and behavior 2012;102(4):578-84.
2010: Abiye H Iyo; A M Feyissa; A Chandran; M C Austin; Soundar Regunathan; Beata Karolewicz
Chronic corticosterone administration down-regulates metabotropic glutamate receptor 5 protein expression in the rat hippocampus.
Neuroscience 2010;169(4):1567-74.
2009: Soundar Regunathan; Damon Dozier; Ramarao Takkalapalli; William J Phillips
Agmatine levels in the cerebrospinal fluid of normal human volunteers.
Journal of pain & palliative care pharmacotherapy 2009;23(1):35-9.
2008: Meng-Yang Zhu; Wei-Ping Wang; Jingjing Huang; Yang-Zheng Feng; Soundar Regunathan; Garth Bissette
Repeated immobilization stress alters rat hippocampal and prefrontal cortical morphology in parallel with endogenous agmatine and arginine decarboxylase levels.
Neurochemistry international 2008;53(6-8):346-54.
2008: Meng-Yang Zhu; Wei-Ping Wang; Zheng-Wei Cai; Soundar Regunathan; Gregory A Ordway
Exogenous agmatine has neuroprotective effects against restraint-induced structural changes in the rat brain.
The European journal of neuroscience 2008;27(6):1320-32.
2007: Meng-Yang Zhu; Wei-Ping Wang; Jingjing Huang; Soundar Regunathan
Chronic treatment with glucocorticoids alters rat hippocampal and prefrontal cortical morphology in parallel with endogenous agmatine and arginine decarboxylase levels.
Journal of neurochemistry 2007;103(5):1811-20.
2006: Wei-Ping Wang; Abiye H Iyo; Jose Javier Miguel-Hidalgo; Soundar Regunathan; Meng-Yang Zhu
Agmatine protects against cell damage induced by NMDA and glutamate in cultured hippocampal neurons.
Brain research 2006;1084(1):210-6.
2006: Abiye H Iyo; Meng-Yang Zhu; Gregory A Ordway; Soundar Regunathan
Expression of arginine decarboxylase in brain regions and neuronal cells.
Journal of neurochemistry 2006;96(4):1042-50.
2006: Soundar Regunathan
Agmatine: biological role and therapeutic potentials in morphine analgesia and dependence.
The AAPS journal 2006;8(3):E479-84.
2005: Yangzheng Feng; Michael H Leblanc; Soundar Regunathan
Agmatine reduces extracellular glutamate during pentylenetetrazole-induced seizures in rat brain: a potential mechanism for the anticonvulsive effects.
Neuroscience letters 2005;390(3):129-33.
2005: Feyza Aricioglu; Soundar Regunathan
Agmatine attenuates stress- and lipopolysaccharide-induced fever in rats.
Physiology & behavior 2005;85(3):370-5.
2004: Feyza Aricioglu; Andrea Means; Soundar Regunathan
Effect of agmatine on the development of morphine dependence in rats: potential role of cAMP system.
European journal of pharmacology 2004;504(3):191-7.
2004: Meng-Yang Zhu; Abiye H Iyo; John E Piletz; Soundar Regunathan
Expression of human arginine decarboxylase, the biosynthetic enzyme for agmatine.
Biochimica et biophysica acta 2004;1670(2):156-64.
2004: Feyza Aricioglu; Ian A Paul; Soundar Regunathan
Agmatine reduces only peripheral-related behavioral signs, not the central signs, of morphine withdrawal in nNOS deficient transgenic mice.
Neuroscience letters 2004;354(2):153-7.
2003: Feyza Aricioglu; Soundar Regunathan; John E Piletz
Is agmatine an endogenous factor against stress?
Annals of the New York Academy of Sciences 2003;1009():127-32.
2003: Ming-Ju Huang; Soundar Regunathan; M Botta; K Lee; E McClendon; G B Yi; M L Pedersen; David B Berkowitz; G Wang; M Travagli; John E Piletz
Structure-activity analysis of guanidine group in agmatine for brain agmatinase.
Annals of the New York Academy of Sciences 2003;1009():52-63.
2003: Soundar Regunathan; John E Piletz
Regulation of inducible nitric oxide synthase and agmatine synthesis in macrophages and astrocytes.
Annals of the New York Academy of Sciences 2003;1009():20-9.
2003: Meng-Yang Zhu; John E Piletz; Angelos Halaris; Soundar Regunathan
Effect of agmatine against cell death induced by NMDA and glutamate in neurons and PC12 cells.
Cellular and molecular neurobiology 2003;23(4-5):865-72.
2002: Feyza Aricioglu-Kartal; Soundar Regunathan
Effect of chronic morphine treatment on the biosynthesis of agmatine in rat brain and other tissues.
Life sciences 2002;71(14):1695-701.
2002: Rouwayda El-Ayoubi; Jolanta Gutkowska; Soundar Regunathan; Suhayla Mukaddam-Daher
Imidazoline receptors in the heart: characterization, distribution, and regulation.
Journal of cardiovascular pharmacology 2002;39(6):875-83.
2002: Gang Wang; Oleg S Gorbatyuk; Govindan Dayanithi; Wei Ouyang; Jialing Wang; Teresa A Milner; Soundar Regunathan; Donald J Reis
Evidence for endogenous agmatine in hypothalamo-neurohypophysial tract and its modulation on vasopressin release and Ca2+ channels.
Brain research 2002;932(1-2):25-36.
2001: Oleg S Gorbatyuk; Teresa A Milner; Gang Wang; Soundar Regunathan; Donald J Reis
Localization of agmatine in vasopressin and oxytocin neurons of the rat hypothalamic paraventricular and supraoptic nuclei.
Experimental neurology 2001;171(2):235-45.
2000: Carolyn A Fairbanks; K L Schreiber; K L Brewer; Chen-Guang Yu; Laura S Stone; Kelley F Kitto; Hoang Oanh Nguyen; Brent M Grocholski; D W Shoeman; Lois J Kehl; Soundar Regunathan; D J Reis; Robert P Yezierski; George L Wilcox
Agmatine reverses pain induced by inflammation, neuropathy, and spinal cord injury.
Proceedings of the National Academy of Sciences of the United States of America 2000;97(19):10584-9.
2000: Soundar Regunathan; Donald J Reis
Characterization of arginine decarboxylase in rat brain and liver: distinction from ornithine decarboxylase.
Journal of neurochemistry 2000;74(5):2201-8.
2000: Donald J Reis; Soundar Regunathan
Is agmatine a novel neurotransmitter in brain?
Trends in pharmacological sciences 2000;21(5):187-93.
1999: Soundar Regunathan; Douglas L Feinstein; Donald J Reis
Anti-proliferative and anti-inflammatory actions of imidazoline agents. Are imidazoline receptors involved?
Annals of the New York Academy of Sciences 1999;881():410-9.
1999: D J Reis; Soundar Regunathan
Agmatine: an endogenous ligand at imidazoline receptors is a novel neurotransmitter.
Annals of the New York Academy of Sciences 1999;881():65-80.
1999: Douglas L Feinstein; Donald J Reis; Soundar Regunathan
Inhibition of astroglial nitric oxide synthase type 2 expression by idazoxan.
Molecular pharmacology 1999;55(2):304-8.
1998: D J Reis; Soundar Regunathan
Agmatine: an endogenous ligand at imidazoline receptors may be a novel neurotransmitter in brain.
Journal of the autonomic nervous system 1998;72(2-3):80-5.
1998: K Otake; David A Ruggiero; Soundar Regunathan; H Wang; Teresa A Milner; Donald J Reis
Regional localization of agmatine in the rat brain: an immunocytochemical study.
Brain research 1998;787(1):1-14.
1998: M Sastre; Elena Galea; Douglas L Feinstein; Donald J Reis; Soundar Regunathan
Metabolism of agmatine in macrophages: modulation by lipopolysaccharide and inhibitory cytokines.
The Biochemical journal 1998;330 ( Pt 3)():1405-9.
1998: TR Ivanov; Yangzheng Feng; H Wang; Soundar Regunathan; DJ Reis; D N Chikkala; P Gupta; JC Jones; John E Piletz
Imidazoline receptor proteins are regulated in platelet-precursor MEG-01 cells by agonists and antagonists.
Journal of psychiatric research 1998;32(2):65-79.
1998: TR Ivanov; Hong Zhu; Soundar Regunathan; DJ Reis; Monique Dontenwill; C Vonthron; Pascal Bousquet; John E Piletz
Co-detection by two imidazoline receptor protein antisera of a novel 85 kilodalton protein.
Biochemical pharmacology 1998;55(5):649-55.
1998: David A Ruggiero; Soundar Regunathan; H Wang; Teresa A Milner; Donald J Reis
Immunocytochemical localization of an imidazoline receptor protein in the central nervous system.
Brain research 1998;780(2):270-93.
1998: D J Reis; Soundar Regunathan
Agmatine: a novel neurotransmitter?
Advances in pharmacology (San Diego, Calif.) 1998;42():645-9.
1997: M Sastre; Soundar Regunathan; Donald J Reis
Uptake of agmatine into rat brain synaptosomes: possible role of cation channels.
Journal of neurochemistry 1997;69(6):2421-6.
1997: Soundar Regunathan; D J Reis
Stimulation of imidazoline receptors inhibits proliferation of human coronary artery vascular smooth muscle cells.
Hypertension 1997;30(2 Pt 1):295-300.
1997: H Wang; Soundar Regunathan; D McGowan; S Bramwell; Donald J Reis
An antiserum to idazoxan recognizes an immunoreactive substance in human serum and cerebral spinal fluid which is not agmatine.
Neurochemistry international 1997;30(1):85-94.
1996: M Sastre; Soundar Regunathan; Elena Galea; Donald J Reis
Agmatinase activity in rat brain: a metabolic pathway for the degradation of agmatine.
Journal of neurochemistry 1996;67(4):1761-5.
1996: Elena Galea; Soundar Regunathan; V Eliopoulos; Douglas L Feinstein; Donald J Reis
Inhibition of mammalian nitric oxide synthases by agmatine, an endogenous polyamine formed by decarboxylation of arginine.
The Biochemical journal 1996;316 ( Pt 1)():247-9.
1996: Soundar Regunathan; C Youngson; W Raasch; H Wang; Donald J Reis
Imidazoline receptors and agmatine in blood vessels: a novel system inhibiting vascular smooth muscle proliferation.
The Journal of pharmacology and experimental therapeutics 1996;276(3):1272-82.
1996: Soundar Regunathan; Y Nassir; K Sundaram; E D Vaughan; Donald J Reis; D Felsen
Expression of I2-imidazoline sites in rat prostate. Effect of castration and aging.
Biochemical pharmacology 1996;51(4):455-9.
1996: Soundar Regunathan; Donald J Reis
Imidazoline receptors and their endogenous ligands.
Annual review of pharmacology and toxicology 1996;36():511-44.
1995: Soundar Regunathan; Douglas L Feinstein; W Raasch; Donald J Reis
Agmatine (decarboxylated arginine) is synthesized and stored in astrocytes.
Neuroreport 1995;6(14):1897-900.
1995: M J Evinger; Paul Ernsberger; Soundar Regunathan; Donald J Reis
Regulation of phenylethanolamine N-methyltransferase gene expression by imidazoline receptors in adrenal chromaffin cells.
Journal of neurochemistry 1995;65(3):988-97.
1995: Soundar Regunathan; C Youngson; H Wang; Donald J Reis
Imidazoline receptors in vascular smooth muscle and endothelial cells.
Annals of the New York Academy of Sciences 1995;763():580-90.
1995: C Youngson; Soundar Regunathan; H Wang; G Li; Donald J Reis
Coexpression of imidazoline receptors and agmatine in rat carotid body.
Annals of the New York Academy of Sciences 1995;763():440-4.
1995: W Raasch; Soundar Regunathan; G Li; Donald J Reis
Agmatine is widely and unequally distributed in rat organs.
Annals of the New York Academy of Sciences 1995;763():330-4.
1995: G Li; Soundar Regunathan; Donald J Reis
Agmatine is synthesized by a mitochondrial arginine decarboxylase in rat brain.
Annals of the New York Academy of Sciences 1995;763():325-9.
1995: Donald J Reis; G Li; Soundar Regunathan
Endogenous ligands of imidazoline receptors: classic and immunoreactive clonidine-displacing substance and agmatine.
Annals of the New York Academy of Sciences 1995;763():295-313.
1995: Soundar Regunathan; S Bramwell; Donald J Reis
Effects of rilmenidine on signal transduction mechanisms associated with alpha 2-adrenergic and imidazoline receptors in brain.
Annals of the New York Academy of Sciences 1995;763():290-4.
1995: D A Ruggiero; Soundar Regunathan; H Wang; T A Milner; Donald J Reis
Distribution of imidazoline receptor binding protein in the central nervous system.
Annals of the New York Academy of Sciences 1995;763():208-21.
1995: Y Nassir; Soundar Regunathan; Donald J Reis; E D Vaughan; D Felsen
Castration of rats upregulates the imidazoline receptor in prostate.
Annals of the New York Academy of Sciences 1995;763():174-7.
1995: H Wang; Soundar Regunathan; C Youngson; S Bramwell; Donald J Reis
An antibody to agmatine localizes the amine in bovine adrenal chromaffin cells.
Neuroscience letters 1995;183(1-2):17-21.
1995: W Raasch; Soundar Regunathan; G Li; Donald J Reis
Agmatine, the bacterial amine, is widely distributed in mammalian tissues.
Life sciences 1995;56(26):2319-30.
1995: M K Sun; Soundar Regunathan; Donald J Reis
Cardiovascular responses to agmatine, a clonidine-displacing substance, in anesthetized rat.
Clinical and experimental hypertension (New York, N.Y. : 1993) 1995;17(1-2):115-28.
1994: Donald J Reis; Soundar Regunathan; Eugene Golanov; Douglas L Feinstein
Protection of focal ischemic infarction by rilmenidine in the animal: evidence that interactions with central imidazoline receptors may be neuroprotective.
The American journal of cardiology 1994;74(13):25A-30A.
1994: Soundar Regunathan; Donald J Reis
Effects of moxonidine, an imidazoline antihypertensive agent, on second messenger systems in rat brain.
European journal of pharmacology 1994;269(2):273-6.
1994: Pablo V Escribá; M Sastre; H Wang; Soundar Regunathan; D J Reis; Jesús A García-Sevilla
Immunodetection of putative imidazoline receptor proteins in the human and rat brain and other tissues.
Neuroscience letters 1994;178(1):81-4.
1994: M J Evinger; Paul Ernsberger; Soundar Regunathan; T H Joh; Donald J Reis
A single transmitter regulates gene expression through two separate mechanisms: cholinergic regulation of phenylethanolamine N-methyltransferase mRNA via nicotinic and muscarinic pathways.
The Journal of neuroscience : the official journal of the Society for Neuroscience 1994;14(4):2106-16.
1994: G Li; Soundar Regunathan; C J Barrow; J Eshraghi; R Cooper; Donald J Reis
Agmatine: an endogenous clonidine-displacing substance in the brain.
Science (New York, N.Y.) 1994;263(5149):966-9.
1993: Soundar Regunathan; M P Meeley; Donald J Reis
Expression of non-adrenergic imidazoline sites in chromaffin cells and mitochondrial membranes of bovine adrenal medulla.
Biochemical pharmacology 1993;45(8):1667-75.
1993: H Wang; Soundar Regunathan; D A Ruggiero; Donald J Reis
Production and characterization of antibodies specific for the imidazoline receptor protein.
Molecular pharmacology 1993;43(4):509-15.
1992: H Wang; Soundar Regunathan; M P Meeley; Donald J Reis
Isolation and characterization of imidazoline receptor protein from bovine adrenal chromaffin cells.
Molecular pharmacology 1992;42(5):792-801.
1992: Donald J Reis; Soundar Regunathan; M P Meeley
Imidazole receptors and clonidine-displacing substance in relationship to control of blood pressure, neuroprotection, and adrenomedullary secretion.
American journal of hypertension 1992;5(4 Pt 2):51S-57S.
1992: Soundar Regunathan; Donald J Reis; Claes Wahlestedt
Specific binding of inositol hexakisphosphate (phytic acid) to adrenal chromaffin cell membranes and effects on calcium-dependent catecholamine release.
Biochemical pharmacology 1992;43(6):1331-6.
1992: Donald J Reis; Soundar Regunathan; H Wang; Douglas L Feinstein; M P Meeley
Imidazoline receptors in the nervous system.
Fundamental & clinical pharmacology 1992;6 Suppl 1():23S-29S.
1992: Claes Wahlestedt; Soundar Regunathan; Donald J Reis
Identification of cultured cells selectively expressing Y1-, Y2-, or Y3-type receptors for neuropeptide Y/peptide YY.
Life sciences 1992;50(4):PL7-12.
1991: Soundar Regunathan; M P Meeley; Donald J Reis
Clonidine-displacing substance from bovine brain binds to imidazoline receptors and releases catecholamines in adrenal chromaffin cells.
Molecular pharmacology 1991;40(6):884-8.
1991: Soundar Regunathan; M J Evinger; M P Meeley; Donald J Reis
Effects of clonidine and other imidazole-receptor binding agents on second messenger systems and calcium influx in bovine adrenal chromaffin cells.
Biochemical pharmacology 1991;42(10):2011-8.
1990: Soundar Regunathan; M P Meeley; Donald J Reis
Effect of clonidine on second messenger systems in rat adrenal gland.
Life sciences 1990;47(23):2127-33.