Compounds > 1,3-dipropyl-8-cyclopentylxanthine

1,3-dipropyl-8-cyclopentylxanthine and cgs 15943

1,3-dipropyl-8-cyclopentylxanthine has been researched along with cgs 15943 in 36 studies

Research

Studies (36)

Timeframe	Studies, this research(%)	All Research%
pre-1990	0 (0.00)	18.7374
1990's	21 (58.33)	18.2507
2000's	12 (33.33)	29.6817
2010's	3 (8.33)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Ishii, A; Karasawa, A; Kawakita, T; Kubo, K; Mizumoto, H; Nonaka, H; Shimada, J; Suzuki, F	1
Jacobson, KA; van Galen, PJ; Williams, M	1
Baraldi, PG; Cacciari, B; Dionisotti, S; Ongini, E; Pineda de las Infantas y Villatoro, MJ; Spalluto, G; Zocchi, C	1
Arslan, G; Dionisotti, S; Fredholm, BB; Kull, B; Ongini, E; Zocchi, C	1
Glashofer, M; Jacobson, KA; Jiang, Q; Lee, BX; van Rhee, AM	1
Fredholm, BB; Hegler, J; Hessling, J; Klotz, KN; Kull, B; Lohse, MJ; Owman, C	1
IJzerman, AP; Link, R; Timmerman, H; van der Goot, H; van Muijlwijk-Koezen, JE	1
Dionisotti, S; Fredholm, BB; Gessi, S; Irenius, E; Ongini, E	1
Baraldi, PG; Borea, PA; Cacciari, B; Gessi, S; Klotz, KN; Leung, E; Merighi, S; Romagnoli, R; Spalluto, G; Varani, K	1
Castelhano, AL; Ma, C; MacLennan, SJ; McKibben, B; Song, JP; Steinig, AG; Stewart, M	1
Bellows, DS; Clarke, ID; Diamandis, P; Dirks, PB; Graham, J; Jamieson, LG; Ling, EK; Sacher, AG; Tyers, M; Ward, RJ; Wildenhain, J	1
Beukers, MW; Brussee, J; de Graaf, O; de Vries, H; Göblyös, A; Ijzerman, AP; Link, R; Mantri, M; Mulder-Krieger, T; van Veldhoven, J; von Frijtag Drabbe Künzel, JK	1
Auchampach, JA; Gizewski, E; Kreckler, LM; Maas, GE; Maas, JE; Narayanan, J; van der Hoeven, D; Wan, TC	1
Austin, CP; Fidock, DA; Hayton, K; Huang, R; Inglese, J; Jiang, H; Johnson, RL; Su, XZ; Wellems, TE; Wichterman, J; Yuan, J	1
Federico, S; Jacobson, KA; Jayasekara, PS; Kozma, E; Moro, S; Paoletta, S; Spalluto, G; Squarcialupi, L	1
Behrenswerth, A; Fiene, A; Gollos, S; Heisig, F; Karcz, T; Kieć-Kononowicz, K; Köse, M; Müller, CE; Namasivayam, V	1
O'Regan, MH; Perkins, LM; Phillis, JW; Simpson, RE	1
Adén, U; Fredholm, BB; Johansson, B; Lindström, K; Svenningsson, P	1
Barraco, RA; Phillis, JW	1
Bourguignon, JJ; Griebel, G; Misslin, R; Remmy, D; Saffroy-Spittler, M; Vogel, E	1
Behnke, N; Müller, W; Neumann, J; Schmitz, W; Scholz, H; Stein, B	1
Karasawa, A; Kishibayashi, N; Suzuki, M; Tomaru, A	1
Amoroso, S; Annunziato, L; Di Renzo, G; Iannotti, E; Saggese, ML	1
Jarvis, JE; Reeves, JJ; Sheehan, MJ; Strong, P	1
Schmitz, W; Scholz, H; Seeland, C; Stein, B	1
di Chiara, G; Morelli, M; Pinna, A; Wardas, J	1
Anderson, GF; Barraco, RA; Helfman, CC	1
Cutler, BS; Dobson, JG; Fenton, RA; Li, Jm; Peyton, BD; Powell, CC; Wheeler, HB	1
Fredholm, BB; Johansson, B; Kuzmin, A; Zvartau, EE	1
Hamann, M; Richter, A	1
Baldwin, SA; Cass, CE; Duszyk, M; Man, SF; Ng, AM; Sawicka, J; Szkotak, AJ; Young, JD	1
Le Crom, S; Prou, D; Vernier, P	1
O'Regan, MH; Phillis, JW	1
Sladek, CD; Song, Z	1
Arcella, A; Cantore, G; Di Gennaro, G; Esposito, V; Eusebi, F; Fredholm, BB; Fucile, S; Limatola, C; Manfredi, M; Martinello, K; Mascia, A; Miledi, R; Piccari, V; Quarato, PP; Roseti, C; Simonato, M	1
Ballanyi, K; Ciechanski, P; Mosca, EV; Roy, A; Scheibli, EC; Wilson, RJ	1

Reviews

2 review(s) available for 1,3-dipropyl-8-cyclopentylxanthine and cgs 15943

Article	Year
Adenosine receptors: pharmacology, structure-activity relationships, and therapeutic potential. Journal of medicinal chemistry, 1992, Feb-07, Volume: 35, Issue:3 Topics: Adenosine; Animals; Humans; Models, Chemical; Receptors, Purinergic; Second Messenger Systems; Structure-Activity Relationship	1992
Fluorescent ligands for adenosine receptors. Bioorganic & medicinal chemistry letters, 2013, Jan-01, Volume: 23, Issue:1 Topics: Boron Compounds; Fluorescein-5-isothiocyanate; Fluorescent Dyes; Humans; Ligands; Protein Binding; Purinergic P1 Receptor Agonists; Purinergic P1 Receptor Antagonists; Receptors, Purinergic P1	2013

Other Studies

34 other study(ies) available for 1,3-dipropyl-8-cyclopentylxanthine and cgs 15943

Article	Year
Adenosine A1 antagonists. 2. Structure-activity relationships on diuretic activities and protective effects against acute renal failure. Journal of medicinal chemistry, 1992, Aug-07, Volume: 35, Issue:16 Topics: Acute Kidney Injury; Adenosine; Animals; Cations, Monovalent; Diuretics; Male; Potassium; Radioligand Assay; Rats; Rats, Inbred Strains; Receptors, Purinergic; Sodium; Structure-Activity Relationship; Xanthines	1992
Pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidine derivatives: potent and selective A(2A) adenosine antagonists. Journal of medicinal chemistry, 1996, Mar-01, Volume: 39, Issue:5 Topics: Animals; Binding, Competitive; Brain; Male; Molecular Structure; Platelet Aggregation; Platelet Aggregation Inhibitors; Purinergic P1 Receptor Antagonists; Pyrimidines; Rabbits; Rats; Rats, Sprague-Dawley; Receptors, Purinergic P1; Structure-Activity Relationship; Triazoles	1996
Characterization of human A2A adenosine receptors with the antagonist radioligand [3H]-SCH 58261. British journal of pharmacology, 1997, Volume: 121, Issue:3 Topics: Animals; Binding, Competitive; CHO Cells; Cricetinae; Cyclic AMP; Humans; Purinergic P1 Receptor Antagonists; Pyrimidines; Radioligand Assay; Rats; Receptor, Adenosine A2A; Receptors, Purinergic P1; Species Specificity; Transfection; Triazoles	1997
Mutagenesis reveals structure-activity parallels between human A2A adenosine receptors and biogenic amine G protein-coupled receptors. Journal of medicinal chemistry, 1997, Aug-01, Volume: 40, Issue:16 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Affinity Labels; Animals; COS Cells; Enzyme-Linked Immunosorbent Assay; GTP-Binding Proteins; Humans; Hydrogen-Ion Concentration; Iodobenzenes; Ligands; Models, Chemical; Models, Molecular; Mutagenesis, Site-Directed; Phenethylamines; Purinergic P1 Receptor Agonists; Rats; Receptor, Adenosine A2A; Receptors, Biogenic Amine; Receptors, Purinergic P1; Structure-Activity Relationship; Xanthines	1997
Comparative pharmacology of human adenosine receptor subtypes - characterization of stably transfected receptors in CHO cells. Naunyn-Schmiedeberg's archives of pharmacology, 1998, Volume: 357, Issue:1 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Animals; Base Composition; Binding, Competitive; CHO Cells; Cricetinae; Guanylate Cyclase; Humans; Phenethylamines; Phenylisopropyladenosine; Receptors, Purinergic P1; Stereoisomerism; Structure-Activity Relationship; Transfection; Xanthines	1998
A novel class of adenosine A3 receptor ligands. 1. 3-(2-Pyridinyl)isoquinoline derivatives. Journal of medicinal chemistry, 1998, Oct-08, Volume: 41, Issue:21 Topics: Animals; Benzamidines; Cell Line; Cerebral Cortex; CHO Cells; Corpus Striatum; Cricetinae; Humans; In Vitro Techniques; Isoquinolines; Ligands; Purinergic P1 Receptor Antagonists; Rats; Receptor, Adenosine A2A; Receptor, Adenosine A3; Receptors, Purinergic P1; Structure-Activity Relationship	1998
Comparison of CGS 15943, ZM 241385 and SCH 58261 as antagonists at human adenosine receptors. Naunyn-Schmiedeberg's archives of pharmacology, 1999, Volume: 359, Issue:1 Topics: Animals; Cell Line; CHO Cells; Cricetinae; Cyclic AMP; Humans; Purinergic P1 Receptor Antagonists; Pyrimidines; Quinazolines; Rats; Transfection; Triazines; Triazoles; Xanthines	1999
[(3)H]MRE 3008F20: a novel antagonist radioligand for the pharmacological and biochemical characterization of human A(3) adenosine receptors. Molecular pharmacology, 2000, Volume: 57, Issue:5 Topics: Adenosine; Adenylyl Cyclase Inhibitors; Animals; Binding, Competitive; CHO Cells; Cricetinae; Cyclic AMP; Dose-Response Relationship, Drug; Humans; Phenylurea Compounds; Purinergic P1 Receptor Antagonists; Radioligand Assay; Rats; Receptor, Adenosine A3; Receptors, Purinergic P1; Triazoles; Tritium	2000
[3H]OSIP339391, a selective, novel, and high affinity antagonist radioligand for adenosine A2B receptors. Biochemical pharmacology, 2004, Jul-15, Volume: 68, Issue:2 Topics: Adenosine A2 Receptor Antagonists; Cells, Cultured; Humans; Pyrimidines; Pyrroles; Radioligand Assay; Time Factors; Tritium	2004
Chemical genetics reveals a complex functional ground state of neural stem cells. Nature chemical biology, 2007, Volume: 3, Issue:5 Topics: Animals; Cell Survival; Cells, Cultured; Mice; Molecular Structure; Neoplasms; Neurons; Pharmaceutical Preparations; Sensitivity and Specificity; Stem Cells	2007
2-Amino-6-furan-2-yl-4-substituted nicotinonitriles as A2A adenosine receptor antagonists. Journal of medicinal chemistry, 2008, Aug-14, Volume: 51, Issue:15 Topics: Adenosine A2 Receptor Antagonists; Amines; Animals; Cell Line; Cricetinae; Cyclic AMP; Furans; Humans; Models, Molecular; Molecular Structure; Nicotinic Acids; Nitriles; Receptor, Adenosine A2A; Structure-Activity Relationship	2008
Characterization of the A2B adenosine receptor from mouse, rabbit, and dog. The Journal of pharmacology and experimental therapeutics, 2009, Volume: 329, Issue:1 Topics: Acetamides; Adenosine; Adenosine A2 Receptor Agonists; Adenosine A2 Receptor Antagonists; Amino Acid Sequence; Animals; Brain Chemistry; Calcium; Cell Line; Cloning, Molecular; Cyclic AMP; DNA, Complementary; Dogs; Humans; Ligands; Mice; Molecular Sequence Data; Purines; Rabbits; Radioligand Assay; Receptor, Adenosine A2B; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Species Specificity	2009
Genetic mapping of targets mediating differential chemical phenotypes in Plasmodium falciparum. Nature chemical biology, 2009, Volume: 5, Issue:10 Topics: Animals; Antimalarials; ATP Binding Cassette Transporter, Subfamily B, Member 1; Chromosome Mapping; Crosses, Genetic; Dihydroergotamine; Drug Design; Drug Resistance; Humans; Inhibitory Concentration 50; Mutation; Plasmodium falciparum; Quantitative Trait Loci; Transfection	2009
Fluorescent-Labeled Selective Adenosine A Journal of medicinal chemistry, 2018, 05-24, Volume: 61, Issue:10 Topics: Adenosine A2 Receptor Antagonists; Animals; Binding, Competitive; Cell Proliferation; CHO Cells; Cricetinae; Cricetulus; Cyclic AMP; Flow Cytometry; Fluorescent Dyes; Humans; Mice; Models, Molecular; Molecular Structure; Protein Binding; Protein Conformation; Radioligand Assay; Rats; Receptor, Adenosine A2B	2018
Excitatory transmitter amino acid release from the ischemic rat cerebral cortex: effects of adenosine receptor agonists and antagonists. Journal of neurochemistry, 1992, Volume: 58, Issue:5 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Animals; Aspartic Acid; Brain Ischemia; Cerebral Cortex; Glutamates; Glutamic Acid; Male; Neurotransmitter Agents; Purinergic Antagonists; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Purinergic; Triazoles; Xanthines	1992
Evidence that the increase in striatal c-fos following acute high-dose caffeine is not due to direct interaction with striatal adenosine receptors. Acta physiologica Scandinavica, 1992, Volume: 146, Issue:4 Topics: Adenosine; Animals; Caffeine; Corpus Striatum; Dose-Response Relationship, Drug; Genes, fos; Purinergic Antagonists; Quinazolines; Rats; RNA, Messenger; Triazoles; Xanthines	1992
Subtypes of adenosine receptors in the brainstem mediate opposite blood pressure responses. Neuropharmacology, 1991, Volume: 30, Issue:4 Topics: Adenosine; Animals; Antihypertensive Agents; Blood Pressure; Brain Stem; Dose-Response Relationship, Drug; Male; Phenethylamines; Quinazolines; Rats; Rats, Inbred Strains; Receptors, Purinergic; Triazoles; Xanthines	1991
Comparison of the behavioural effects of an adenosine A1/A2-receptor antagonist, CGS 15943A, and an A1-selective antagonist, DPCPX. Psychopharmacology, 1991, Volume: 103, Issue:4 Topics: Adenosine; Animals; Behavior, Animal; Dose-Response Relationship, Drug; Exploratory Behavior; Male; Mice; Motor Activity; Purinergic Antagonists; Quinazolines; Triazoles; Xanthines	1991
Differential antagonism by 1,3-dipropylxanthine-8-cyclopentylxanthine and 9-chloro-2-(2-furanyl)-5,6-dihydro-1,2,4-triazolo(1,5-c)quinazolin-5-im ine of the effects of adenosine derivatives in the presence of isoprenaline on contractile response and cycli The Journal of pharmacology and experimental therapeutics, 1990, Volume: 254, Issue:3 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Animals; Cyclic AMP; Drug Interactions; Electric Stimulation; Female; Guinea Pigs; Heart; Isoproterenol; Male; Myocardial Contraction; Quinazolines; Receptors, Purinergic; Triazoles; Vasodilator Agents; Xanthines	1990
Effects of the adenosine A1-receptor antagonist on defecation, small intestinal propulsion and gastric emptying in rats. Japanese journal of pharmacology, 1995, Volume: 68, Issue:1 Topics: Adamantane; Animals; Bisacodyl; Defecation; Gastric Emptying; Gastrointestinal Motility; Imidazoles; Intestine, Small; Male; Purinergic P1 Receptor Antagonists; Pyrazines; Quinazolines; Rats; Rats, Sprague-Dawley; Triazoles; Xanthines	1995
The A1 agonist CCPA reduced bisoxonol-monitored membrane potential depolarization elicited by high K+ in cerebrocortical nerve endings. Biochimica et biophysica acta, 1995, Oct-04, Volume: 1239, Issue:1 Topics: Adenosine; Animals; Cerebral Cortex; Fluorescent Dyes; Male; Membrane Potentials; Nerve Endings; Phenethylamines; Potassium; Purinergic P1 Receptor Agonists; Purinergic P1 Receptor Antagonists; Quinazolines; Rats; Rats, Wistar; Synaptosomes; Thiobarbiturates; Triazoles; Veratridine; Xanthines	1995
Further investigations into adenosine A1 receptor-mediated contraction in rat colonic muscularis mucosae and its augmentation by certain alkylxanthine antagonists. British journal of pharmacology, 1995, Volume: 114, Issue:5 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Animals; Colon; Cyclooxygenase Inhibitors; In Vitro Techniques; Indomethacin; Intestinal Mucosa; Muscle Contraction; Muscle, Smooth; Phosphodiesterase Inhibitors; Purinergic P1 Receptor Agonists; Purinergic P1 Receptor Antagonists; Quinazolines; Rats; Theophylline; Triazoles; Vasodilator Agents; Xanthines	1995
Pharmacological characterization of A2-adenosine receptors in guinea-pig ventricular cardiomyocytes. Journal of molecular and cellular cardiology, 1994, Volume: 26, Issue:3 Topics: Adenosine; Adenylate Cyclase Toxin; Adenylyl Cyclases; Animals; Cells, Cultured; Cyclic AMP; Drug Interactions; Female; Guinea Pigs; Heart Ventricles; Isoproterenol; Male; Myocardial Contraction; Myocardium; Papillary Muscles; Pertussis Toxin; Phenethylamines; Quinazolines; Receptors, Adrenergic, beta; Receptors, Purinergic P1; Signal Transduction; Triazoles; Virulence Factors, Bordetella; Xanthines	1994
Blockade of A2a adenosine receptors positively modulates turning behaviour and c-Fos expression induced by D1 agonists in dopamine-denervated rats. The European journal of neuroscience, 1996, Volume: 8, Issue:6 Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; Animals; Denervation; Male; Motor Activity; Nerve Tissue Proteins; Oxidopamine; Proto-Oncogene Proteins c-fos; Purinergic P1 Receptor Antagonists; Pyrimidines; Quinazolines; Rats; Rats, Sprague-Dawley; Receptors, Dopamine D1; Rotation; Triazoles; Xanthines	1996
Augmented release of serotonin by adenosine A2a receptor activation and desensitization by CGS 21680 in the rat nucleus tractus solitarius. Brain research, 1996, Sep-16, Volume: 733, Issue:2 Topics: Adenosine; Animals; In Vitro Techniques; Kinetics; Male; Phenethylamines; Purinergic P1 Receptor Agonists; Quinazolines; Rats; Rats, Sprague-Dawley; Receptors, Purinergic P1; Serotonin; Solitary Nucleus; Triazoles; Xanthines	1996
Adenosine A2a receptors increase arterial endothelial cell nitric oxide. The Journal of surgical research, 1998, Volume: 80, Issue:2 Topics: Adenosine; Adenosine-5'-(N-ethylcarboxamide); Animals; Carotid Arteries; Cells, Cultured; Endothelium, Vascular; Humans; Iliac Artery; Nitric Oxide; Phenethylamines; Purinergic P1 Receptor Agonists; Purinergic P1 Receptor Antagonists; Quinazolines; Receptor, Adenosine A2A; Receptors, Purinergic P1; Swine; Triazines; Triazoles; Xanthines	1998
Caffeine, acting on adenosine A(1) receptors, prevents the extinction of cocaine-seeking behavior in mice. The Journal of pharmacology and experimental therapeutics, 1999, Volume: 290, Issue:2 Topics: Animals; Behavior, Animal; Caffeine; Cocaine; Extinction, Psychological; Male; Mice; Mice, Inbred DBA; Purinergic P1 Receptor Antagonists; Pyrimidines; Quinazolines; Reward; Substance Abuse, Intravenous; Theophylline; Triazoles; Xanthines	1999
Effects of adenosine receptor agonists and antagonists in a genetic animal model of primary paroxysmal dystonia. British journal of pharmacology, 2001, Volume: 134, Issue:2 Topics: Adenosine; Animals; Caffeine; Cricetinae; Disease Models, Animal; Dose-Response Relationship, Drug; Dystonia; Female; Male; Mesocricetus; Muscle Contraction; Mutation; Phenethylamines; Purinergic P1 Receptor Agonists; Purinergic P1 Receptor Antagonists; Quinazolines; Theobromine; Theophylline; Triazines; Triazoles; Xanthines	2001
Regulation of K(+) current in human airway epithelial cells by exogenous and autocrine adenosine. American journal of physiology. Cell physiology, 2001, Volume: 281, Issue:6 Topics: 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid; Adenosine; Affinity Labels; Amiloride; Autocrine Communication; Cell Line; Cell Polarity; Clotrimazole; Diuretics; Epithelial Cells; Equilibrative Nucleoside Transporter 1; Equilibrative-Nucleoside Transporter 2; Growth Inhibitors; Humans; Membrane Transport Proteins; Patch-Clamp Techniques; Potassium; Potassium Channels; Quinazolines; Receptors, Purinergic P1; Respiratory Mucosa; Theobromine; Thioinosine; Triazoles; Uridine; Xanthines	2001
Autocrine activation of adenosine A1 receptors blocks D1A but not D1B dopamine receptor desensitization. Journal of neurochemistry, 2002, Volume: 82, Issue:6 Topics: Adenosine; Animals; Autocrine Communication; Cell Line; COS Cells; Cyclic AMP; Dopamine Agonists; Fibroblasts; Mice; Phosphodiesterase Inhibitors; Quinazolines; Receptors, Dopamine D1; Receptors, Dopamine D5; Receptors, Purinergic P1; Time Factors; Transfection; Triazoles; Xanthines	2002
Effects of adenosine receptor antagonists on pial arteriolar dilation during carbon dioxide inhalation. European journal of pharmacology, 2003, Aug-29, Volume: 476, Issue:3 Topics: Adenosine; Administration, Inhalation; Animals; Caffeine; Carbon Dioxide; Cerebral Cortex; Cerebral Veins; Cerebrovascular Circulation; Drug Interactions; Male; NG-Nitroarginine Methyl Ester; Nitric Oxide Synthase; Purinergic P1 Receptor Antagonists; Quinazolines; Rats; Rats, Sprague-Dawley; Triazines; Triazoles; Vasodilation; Vasodilator Agents; Xanthines	2003
Does conversion of ATP to adenosine terminate ATP-stimulated vasopressin release from hypothalamo-neurohypophyseal explants? Brain research, 2005, Jun-14, Volume: 1047, Issue:1 Topics: 5'-Nucleotidase; Adenosine; Adenosine A1 Receptor Antagonists; Adenosine Triphosphate; Animals; Enzyme Inhibitors; Hypothalamo-Hypophyseal System; Male; Organ Culture Techniques; Pituitary Gland, Posterior; Purinergic P1 Receptor Antagonists; Quinazolines; Rats; Rats, Sprague-Dawley; Receptor, Adenosine A1; Receptors, Purinergic P1; Supraoptic Nucleus; Time Factors; Triazoles; Vasopressins; Water-Electrolyte Balance; Xanthines	2005
Adenosine receptor antagonists alter the stability of human epileptic GABAA receptors. Proceedings of the National Academy of Sciences of the United States of America, 2008, Sep-30, Volume: 105, Issue:39 Topics: Adenosine; Adenosine Deaminase; Adult; Animals; Anticonvulsants; Cerebral Cortex; Epilepsy; Female; GABA-A Receptor Agonists; gamma-Aminobutyric Acid; Humans; Male; Neurons; Oocytes; Purinergic P1 Receptor Antagonists; Pyramidal Tracts; Pyrimidines; Quinazolines; Rats; Receptors, GABA-A; Triazoles; Xanthines; Xenopus	2008
Methylxanthine reversal of opioid-induced respiratory depression in the neonatal rat: mechanism and location of action. Respiratory physiology & neurobiology, 2014, Aug-15, Volume: 200 Topics: Adenosine A1 Receptor Antagonists; Adenosine A2 Receptor Antagonists; Animals; Animals, Newborn; Apnea; Brain Stem; Carotid Body; Central Nervous System Stimulants; Enkephalin, Ala(2)-MePhe(4)-Gly(5)-; Phrenic Nerve; Quinazolines; Rats, Sprague-Dawley; Respiration; Theobromine; Theophylline; Tissue Culture Techniques; Triazoles; Xanthines	2014