Browse Items · NEOMED Bibliography Database

Role of angiotensin II in sympathetic nervous system induced left ventricular dysfunction

Experiments were undertaken to determine whether angiotensin (Ang) II concentration increases during massive sympathetic nervous system (SNS) activation and whether such an increase plays a role in the pathogenesis of SNS-induced left ventricular…

Measuring bone blood supply in mice using fluorescent microspheres

Fluorescent microspheres are commonly used to assess bone blood supply in large animals, but the technique is not widely used in smaller mammals, as traditional methods such as reference blood sampling, ventilation and catheterization are not easily…

Tags: 2009, angiogenesis, Biochemistry & Molecular Biology, flow measurement, hindlimb ischemia, Journal Article, mouse models, Nature Protocols, Perfusion, Rabbits, Rats, Serrat M A

Influence of substance P on carotid sinus nerve baro- and chemoreceptor activity in rabbits.

Substance P (SP) is abundant in the carotid sinus nerve (CSN) and has been implicated in baro- and chemoreceptor reflexes. We examined the effect of SP on blood pressure, heart rate, phrenic nerve activity, hindlimb perfusion pressure, and cardiac…

Tags: 1990, Animals, Blood Pressure/*drug effects, Carotid Sinus/*innervation, Chemoreceptor Cells/*drug effects, Female, Hemodynamics/drug effects, Hindlimb/blood supply, Male, Myocardial Contraction/drug effects, Peptides, Phrenic Nerve/drug effects, Pressoreceptors/*drug effects, Qu L, Rabbits, Stuesse S L, Substance P/*pharmacology

Excessive sympathetic nervous system activity decreases myocardial contractility.

The objective of this study was to determine whether myocardial contractility is depressed by intense activation of the sympathetic nervous system. A massive sympathetic discharge was produced by injecting veratrine or sodium citrate into the…

Tromantadine inhibits a late step in herpes simplex virus type 1 replication and syncytium formation.

Addition of tromantadine after virus penetration inhibited HSV-1 induced syncytium formation and virus production in HEp-2 and VERO cells and acted additively with neutralizing antibody in blocking virus spread and cytopathology. Inhibition of…

Identification and nucleotide sequence of the leukocyte and reticulocyte forms of rabbit cytochrome b5 mRNA.

RNA extracted from rabbit leukocytes and reticulocytes was reverse transcribed and used in the Polymerase Chain Reaction technique along with primers designed to amplify the coding sequence of rabbit cytochrome b5. The resultant amplified products…

Tags: 1992, Amino Acid Sequence, Animals, Base Sequence, Cytochromes b5/chemistry/*genetics, Giordano S J, Leukocytes/*chemistry, Liver/chemistry, Messenger/*chemistry, Molecular Sequence Data, Nucleic Acid, Nucleic Acid Hybridization, Polymerase Chain Reaction, Rabbits, Reticulocytes/*chemistry, RNA, SAAS bulletin, biochemistry and biotechnology, Sequence Homology, Steggles A W

The nucleotide sequence of rabbit liver cytochrome b5 mRNA.

Using a synthetic 26 base pair (bp) oligonucleotide, we have screened a rabbit liver cDNA library in lambda gt11 and isolated a 1000 bp DNA clone corresponding to cytochrome b5 mRNA. The clone contains the complete coding region and long 5' and 3'…

Tags: 1988, Amino Acid Sequence, Animals, Base Sequence, Chromosome Deletion, Cloning, Cytochrome b Group/*genetics, Cytochromes b5, Dariush N, Fisher C W, Genes, Liver/*metabolism, Messenger/*genetics, Molecular, Molecular Sequence Data, Protein sequences & data analysis, Rabbits, RNA, Steggles A W

Isolation and characterization of cDNA clones for human, bovine and rabbit liver cytochrome b5 mRNA's.

Time-dependent changes in norepinephrine-induced left ventricular dysfunction and histopathologic condition.

BACKGROUND: Intense activation of the sympathetic nervous system or administration of high concentrations of catecholamines diminishes myocardial contractility and produces infarct-like lesions throughout the heart. This study was conducted to…

Persistent left ventricular dysfunction after cocaine treatment in rabbits.

The present study was undertaken to determine whether the diminished cardiac performance associated with cocaine administration persists after the drug has been eliminated from the body. Cocaine (5 or 10 mg/kg iv) was administered to conscious (n =…

Thermoreversible gel for delivery of activin receptor-like kinase 5 inhibitor

The purpose of this study is to investigate a thermoreversible gel using Pluronic

Tags: *Drug Delivery Systems, 2013, Animal, Animals, Benzodioxoles/*administration & dosage/pharmacokinetics/toxicity, Bhatia Deepak, Body Temperature, Delayed-Action Preparations, Disease Models, Drug Carriers/chemistry/toxicity, Fibroblasts/drug effects/metabolism, Filtering Surgery/*methods, Geldenhuys Werner, Gels, Glaucoma/*surgery, Imidazoles/*administration & dosage/pharmacokinetics/toxicity, Miladore Nicholas, Nakamura Hiroshi, Pharmaceutical development and technology, Poloxamer/chemistry/toxicity, Protein-Serine-Threonine Kinases/antagonists & inhibitors, Pyridines/*administration & dosage/pharmacokinetics/toxicity, Rabbits, Receptor, Receptors, Sutariya Vijaykumar, Temperature, Time Factors, Transforming Growth Factor beta/antagonists & inhibitors, Transforming Growth Factor-beta Type I, Viscosity, Wehrung Daniel

Acute exercise attenuates phenylephrine-induced contraction of rabbit isolated aortic rings.

Factors associated with a single bout of dynamic exercise (increased circulating catecholamines, increased body temperature, and decreased pH) are known to attenuate the vascular response to alpha-adrenergic receptor activation. Therefore, we…

Effect of massive sympathetic nervous system activation on coronary blood flow and myocardial energy pool.

Our previous work indicates that myocardial ischemia could be the mechanism responsible for the left ventricular (LV) dysfunction that frequently develops after massive sympathetic nervous system (SNS) activation. In this study, coronary blood flow…

Tags: 2002, Animals, Coronary Circulation/*physiology, Energy Metabolism, Experimental biology and medicine (Maywood, N.J.), Female, Heart/innervation/*physiology, Male, Pilati Charles F, Rabbits, Smith Jennifer M, Sympathetic Nervous System/drug effects/*physiology, Veratrine/pharmacology

Low-pressure-sensitive baroreceptor fibers recorded from rabbit carotid sinus nerves.

Activity was recorded from physiologically identified baroreceptor or chemoreceptor fibers in carotid sinus nerves of urethane-anesthetized spontaneously breathing rabbits. A carotid sinus area was vascularly isolated so that carotid sinus pressure…

Tags: 1991, Action Potentials, Animals, Blood Pressure, Carotid Sinus/*physiology, Circulation research, Hypercapnia/physiopathology, Hypoxia/physiopathology, Pressoreceptors/*physiology, Qu L, Rabbits, Stuesse S L, Sympathetic Nervous System/physiology

Effect of neuropeptide Y on hemodynamics of the rabbit lung.

We evaluated the effect of neuropeptide Y (NPY) on the hemodynamics of the isolated rabbit lung perfused at constant flow and outflow pressure. Doses of 10(-8) and 10(-7) M NPY increased pulmonary arterial pressure (Ppa) from 11.5 +/- 1.0 (SE) mmHg…

Tags: 1998, Animals, Cisterna Magna, Hemodynamics/*physiology, In Vitro Techniques, Injections, Journal of applied physiology (Bethesda, Md. : 1985), Lang S A, Maron M B, Neuropeptide Y/blood/pharmacology/*physiology, Norepinephrine/pharmacology, Perfusion, Pulmonary Circulation/drug effects/*physiology, Rabbits, Sympathetic Nervous System/drug effects/physiology, Vascular Resistance/drug effects/physiology, Vasoconstriction/drug effects/physiology, Vasoconstrictor Agents/pharmacology, Veratrine/administration & dosage/pharmacology

Role of EDRF in the cardiopulmonary dysfunction produced by massive sympathetic activation.

This study was undertaken to determine whether endothelium-derived relaxing factor (EDRF) modulates the pulmonary and systemic hemodynamic responses to massive sympathetic nervous system (SNS) activation and, in so doing, also modulates the degree of…

Reduced vascular responsiveness after a single bout of dynamic exercise in the conscious rabbit.

We measured agonist-induced changes in the iliac artery blood flow velocity (IFV) independent of baroreflex-mediated compensatory mechanisms in chronically instrumented New Zealand White rabbits (n = 8). Animals were instrumented with a Doppler flow…

Role of hemodynamics and vagus nerves in development of fibrin-induced pulmonary edema.

The rapid development of pulmonary edema that may occur in the rabbit after the intracisternal injection of a mixture of fibrinogen and thrombin has classically been considered to result from a vagally mediated increase in vascular permeability (G.…

Daily exercise attenuates the sympathetic nerve response to exercise by enhancing cardiac afferents.

"Central command" may initiate the sympathoexcitatory responses at the onset of exercise by shifting the operating point of the arterial baroreflex toward higher pressures. Daily exercise (DE) attenuates the sympathoexcitatory responses to submaximal…

Tags: 1997, Afferent Pathways, Animal/*physiology, Animals, Baroreflex, Bishop V S, Blood Pressure, DiCarlo S E, Femoral Artery/physiology, Femoral Vein/physiology, Heart Rate, Heart/innervation/*physiology, Kidney/innervation, Physical Conditioning, Rabbits, Stahl L K, Sympathetic Nervous System/*physiology, The American journal of physiology

Myocardial work load is a major determinant of norepinephrine-induced left ventricular dysfunction.

This study was conducted to determine whether increased myocardial energy demand plays a role in norepinephrine (NE)-induced left ventricular (LV) dysfunction. A range of arterial pressure-heart rate (P-R) products (myocardial energy demand) was…

Factors involved in left ventricular dysfunction after massive sympathetic activation.

We sought to determine whether catecholamines are responsible for the depressed left ventricular (LV) function that follows massive sympathetic nervous system (SNS) activation and whether the additional myocardial energy demands of

Tags: *Ventricular Function, 1992, Animals, Blood Pressure/drug effects/physiology, Bosso F J, Catecholamines/physiology, Female, Heart Conduction System/*physiology, Heart Diseases/*physiopathology, Heart Rate/drug effects, In Vitro Techniques, Left, Male, Maron M B, Pilati C F, Rabbits, Sympathetic Nervous System/drug effects/*physiology, The American journal of physiology, Veratrine/pharmacology

Onset of exercise shifts operating point of arterial baroreflex to higher pressures.

This study was designed to test the hypothesis that the increase in sympathetic nerve activity (SNA) and mean arterial pressure (MAP) at the onset of exercise is dependent on a rapid upward shift of the operating point of the arterial baroreflex. To…

Tags: *Blood Pressure, *Physical Exertion, 1992, Animals, Arteries/*physiology, Bishop V S, Denervation, DiCarlo S E, Heart Rate, Kidney/physiology, Pressoreceptors/*physiology, Rabbits, Reflex/*physiology, Sinus of Valsalva/physiology, Sympathetic Nervous System/physiology, The American journal of physiology

GABAa receptor-mediated field potentials are enhanced in area CA1 following prenatal cocaine exposure.

Prenatal cocaine exposure results in several documented changes in neurotransmitter receptor number and structure. Increases have been reported for cortical catecholamine and indoleamine receptor number and binding affinity, in the subunit expression…

Inhibition of cartilage degradation and suppression of PGE2 and MMPs expression by pomegranate fruit extract in a model of posttraumatic osteoarthritis.

OBJECTIVE: Osteoarthritis (OA) is characterized by cartilage degradation in the affected joints. Pomegranate fruit extract (PFE) inhibits cartilage degradation in vitro. The aim of this study was to determine whether oral consumption of PFE inhibits…

Tags: *Phytotherapy, *Punicaceae, 2017, ACLT, Akhtar Nahid, Animal, Animals, Anterior Cruciate Ligament/drug effects/metabolism/pathology, Apoptosis, Ashruf Omer S, Cartilage/cytology/*drug effects/metabolism/pathology, Chondrocytes/drug effects/metabolism/pathology, Collagen Type II/genetics/metabolism, Department of Anatomy & Neurobiology, Dinoprostone/*metabolism, Disease Models, Disease Progression, Female, Fruit, Haqqi Tariq M, Interleukins/metabolism, Joints/cytology/*drug effects/metabolism/pathology, Khan Nazir M, Male, Messenger/metabolism, Metalloproteases/genetics/*metabolism, Mitogen-Activated Protein Kinases/metabolism, MMPs, NEOMED College of Medicine, NF-kappa B/metabolism, Nutrition (Burbank, Los Angeles County, Calif.), Osteoarthritis, Osteoarthritis/*drug therapy/etiology/metabolism/pathology, PGE(2), Plant Extracts/pharmacology/therapeutic use, Pomegranate, Rabbit, Rabbits, RNA, Synovial Fluid/metabolism

In utero cocaine exposure decreases dopamine D1 receptor modulation of hippocampal long-term potentiation in the rabbit.

Cocaine increases the synaptic concentration of neurotransmitters by inhibiting catecholamine transporters. Disturbances of behavior and cellular physiology have been associated with prenatal cocaine exposure and are related to changes in dopamine…

Tags: 1996, Animals, Cocaine/*pharmacology, Dopamine D1/*drug effects, Female, Hippocampus/*drug effects, Little J Z, Long-Term Potentiation/*drug effects, Neuroscience letters, Rabbits, Receptors, Teyler T J, Uterus/*drug effects

Differential expression of the mRNAs for the soluble and membrane-bound forms of rabbit cytochrome b5.

Total RNA was extracted from a variety of rabbit tissues and reverse transcribed for use in the polymerase chain reaction technique. Using primers designed to amplify the membrane-bound liver cytochrome b5 cDNA, products of two sizes were observed.…

Prenatal cocaine exposure leads to enhanced long-term potentiation in region CA1 of hippocampus.

Cocaine use by pregnant women is currently of concern for its social and economic impact. Clinical studies of cocaine exposed offspring are limited by methodological constraints. In this study we used a rabbit model to examine the effects of…

Tags: *Prenatal Exposure Delayed Effects, 1996, Animals, Brain research. Developmental brain research, Cocaine/*administration & dosage/pharmacology, Electrophysiology, Female, Hippocampus/*drug effects/physiology, In Vitro Techniques, Little J Z, Long-Term Potentiation/*drug effects, Narcotics/*administration & dosage/pharmacology, Neuronal Plasticity/drug effects, Pregnancy, Rabbits, Reference Values, Synapses/drug effects, Teyler T J

The isolation and characterization of the bovine cytochrome b5 gene, and a transcribed pseudogene.

This is the first isolation and characterization of a cytochrome b5(b5) gene. The bovine b5 gene is quite large, spanning about 28 kb and contains six exons. One of these exons appears to code for a reticulocyte-specific sequence similar to that…

The isolation and characterization of the human cytochrome b5 gene.

From a series of lambda and cosmid libraries, we isolated DNA sequences corresponding to the complete coding region for the human cytochrome b5 (CYB5) gene. The overall gene organization was the same as the bovine and rabbit CYB5 genes. One cosmid…

Design and use of peptide-based antibodies decreasing superoxide production by mitochondrial complex I and complex II.

Mitochondria are the major source of reactive oxygen species. Both complex I and complex II mediate O2*- production in mitochondria and host reactive protein thiols. To explore the functions of the specific domains involved in the redox modifications…

MicroRNA-602 and microRNA-608 regulate sonic hedgehog expression via target sites in the coding region in human chondrocytes.

OBJECTIVE: Hedgehog (HH) signaling has recently been associated with cartilage degradation in osteoarthritis (OA). Because interleukin-1beta (IL-1beta) has been implicated as a principal instigator of OA, we sought to determine whether

Tags: 2015, Academic Medical Centers, Aged, Akhtar Nahid, Analysis of Variance, Animal, Animals, Anterior Cruciate Ligament/surgery, Arthritis & rheumatology (Hoboken, N.J.), Blotting, Cells, Chondrocytes – Physiology, Chondrocytes/drug effects/*metabolism/pathology, Cultured, Department of Anatomy & Neurobiology, Disease Models, Female, Funding Source, Gene Expression Regulation/genetics/*physiology, Haqqi Tariq M, Hedgehog Proteins/genetics/*metabolism, HEK293 Cells, Human, Humans, Immunohistochemistry, In Vitro Techniques, Interleukin-1beta/pharmacology, Knee/etiology/*metabolism/pathology, Makki Mohammad S, Male, Matrix Metalloproteinase 13/metabolism, MicroRNAs/genetics/*metabolism, Middle Age, Middle Aged, NEOMED College of Medicine, Ohio, Open Reading Frames/genetics/*physiology, Osteoarthritis, Osteoarthritis – Epidemiology, Osteoarthritis – Physiopathology, Polymerase Chain Reaction, Rabbits, Signal Transduction/genetics/physiology, T-Tests, Transfection, Up-Regulation/drug effects/genetics/physiology, Western

Browse Items (31 total)