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Articles 31 - 44 of 44
Full-Text Articles in Nervous System
Taurine's Effect On Cocaine Reward And Neurogenesis In The Adolescent Male Rat Brain., Avery E. Villa-Gonzalez
Taurine's Effect On Cocaine Reward And Neurogenesis In The Adolescent Male Rat Brain., Avery E. Villa-Gonzalez
Dissertations and Theses
Adolescence is a developmentally critical transition from childhood to adulthood including both maturation of the body and the brain. Neuroplastic changes result in dynamic organization of the brain during adolescence, leaving them vulnerable to development of mental illness and drug-seeking behavior. According to the United Nations Office on Drugs and Crime, the psychostimulant cocaine is the second most popular illicit drug in the world. Cocaine, amongst having many detrimental effects, has shown to also decrease hippocampal neurogenesis, resulting in decreased neuroplasticity and cognitive dysfunction. Previous students in our laboratory have shown that treatment of adult male rats with the essential …
Antenatal Glucocorticoid Treatment Is Associated With Diurnal Cortisol Regulation In Term-Born Children, M. N. Edelmann, Curt A. Sandman, Laura M. Glynn, D. A. Wing, Elyssia Poggi Davis
Antenatal Glucocorticoid Treatment Is Associated With Diurnal Cortisol Regulation In Term-Born Children, M. N. Edelmann, Curt A. Sandman, Laura M. Glynn, D. A. Wing, Elyssia Poggi Davis
Psychology Faculty Articles and Research
Due to the rapid developmental changes that occur during the fetal period, prenatal influences can affect the developing central nervous system with lifelong consequences for physical and mental health. Glucocorticoids are one of the proposed mechanisms by which fetal programing occurs. Glucocorticoids pass through the blood-brain barrier and target receptors throughout the central nervous system. Unlike endogenous glucocorticoids, synthetic glucocorticoids readily pass through the placental barrier to reach the developing fetus. The synthetic glucocorticoid, betamethasone, is routinely given prenatally to mothers at risk for preterm delivery. Over 25% of the fetuses exposed to betamethasone will be born at term. Few …
Addiction: Physiology In Performance, Opioid Pharmacology In Character Development For The Theater, Lacey M. Smith
Addiction: Physiology In Performance, Opioid Pharmacology In Character Development For The Theater, Lacey M. Smith
Honors Thesis
Actors inquire into the physical, mental, and emotional impulses of their respective characters in the effort to develop a cohesive persona for the stage. The goal of this research is to determine whether a more thorough, scientific understanding of the physiopyschological phenomena a character experiences, specifically opioid withdrawal, will aid in the depiction of symptoms on stage. The project began with a research period and culminated in physical dissemination through theater performance. Both video, audio, and text media were utilized to establish a thorough comprehension of the physiological mechanisms in opioid addiction. Further profiling of the characteristics and symptomatic episodes …
Theoretical Investigation Of Interaction Between The Set Of Ligands And Α7 Nicotinic Acetylcholine Receptor, O. E. Glukhova, Tatiana Prytkova, D. S. Shmygin
Theoretical Investigation Of Interaction Between The Set Of Ligands And Α7 Nicotinic Acetylcholine Receptor, O. E. Glukhova, Tatiana Prytkova, D. S. Shmygin
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Nicotinic acetylcholine receptors (nAChRs) are neuron receptor proteins that provide a transmission of nerve impulse through the synapses. They are composed of a pentametric assembly of five homologous subunits (5 α7 subunits for α7nAChR, for example), oriented around the central pore. These receptors might be found in the chemical synapses of central and peripheral nervous system, and also in the neuromuscular synapses. Transmembrane domain of the one of such receptors constitutes ion channel. The conductive properties of ion channel strongly depend on the receptor conformation changes in the response of binding with some molecule, f.e. acetylcholine. Investigation of interaction between …
How The Manipulation Of The Ras Homolog Enriched In Striatum Alters The Behavioral And Molecular Progression Of Huntington’S Disease, Franklin A. Lee
How The Manipulation Of The Ras Homolog Enriched In Striatum Alters The Behavioral And Molecular Progression Of Huntington’S Disease, Franklin A. Lee
LSU New Orleans Theses and Dissertations
Huntington’s disease is an incurable, progressive neurological disorder characterized by loss of motor control, psychiatric dysfunction, and eventual dystonia leading to death. Despite the fact that this disorder is caused by a mutation in one single gene, there is no cure. The mutant Huntingtin (mHtt) protein is expressed ubiquitously throughout the brain but frank cell death is limited to the striatum. Recent work has suggested that Rhes, Ras homolog enriched in striatum, which is selectively expressed in the striatum, may play a role in Huntington’s disease neuropathology. In vitro studies have shown Rhes to be an E3 ligase for the …
Target-Directed Biosynthetic Evolution: Redirecting Plant Evolution To Genomically Optimize A Plant’S Pharmacological Profile, Dustin Paul Brown
Target-Directed Biosynthetic Evolution: Redirecting Plant Evolution To Genomically Optimize A Plant’S Pharmacological Profile, Dustin Paul Brown
Theses and Dissertations--Neuroscience
The dissertation describes a novel method for plant drug discovery based on mutation and selection of plant cells. Despite the industry focus on chemical synthesis, plants remain a source of potent and complex bioactive metabolites. Many of these have evolved as defensive compounds targeted on key proteins in the CNS of herbivorous insects, for example the insect dopamine transporter (DAT). Because of homology with the human DAT protein some of these metabolites have high abuse potential, but others may be valuable in treating drug dependence. This dissertation redirects the evolution of a native Lobelia species toward metabolites with greater activity …
Targeting The Small- And Intermediate Conductance Ca2+- Activated Potassium Channels: The Drug Binding Pocket At The Channel/Calmodulin Interface, Meng Cui, Guangrong Qin, Kunqian Yu, M. Scott Bowers, Miao Zhang
Targeting The Small- And Intermediate Conductance Ca2+- Activated Potassium Channels: The Drug Binding Pocket At The Channel/Calmodulin Interface, Meng Cui, Guangrong Qin, Kunqian Yu, M. Scott Bowers, Miao Zhang
Pharmacy Faculty Articles and Research
The small- and intermediate-conductance Ca 2+ -activated potassium (SK/IK) channels play important roles in the regulation of excitable cells in both the central nervous and cardiovascular systems. Evidence from animal models has implicated SK/IK channels in neurological conditions such as ataxia and alcohol use disorders. Further, genome-wide association studies have suggested that cardiovascular abnormalities such as arrhythmias and hypertension are associated with single nucleotide polymorphisms that occur within the genes encoding the SK/IK channels. The Ca 2+ sensitivity of the SK/IK channels stems from a constitutively bound Ca 2+ -binding protein: calmodulin. Small-molecule positive modulators of SK/IK channels have been …
Attenuating Trigeminal Neuropathic Pain By Repurposing Pioglitazone And D-Cycloserine In The Novel Trigeminal Inflammatory Compression Mouse Model, Danielle N. Lyons
Attenuating Trigeminal Neuropathic Pain By Repurposing Pioglitazone And D-Cycloserine In The Novel Trigeminal Inflammatory Compression Mouse Model, Danielle N. Lyons
Theses and Dissertations--Physiology
Approximately 22% of the United States population suffers from a chronic orofacial pain condition. One such condition is known as trigeminal neuropathic pain frequently reported as continuous aching and burning pain, often accompanied by intermittent electrical shock-like sensations. Dental procedures or trauma are known causes of peripheral trigeminal nerve injury and inflammation. Patients who have this type of facial pain also suffer from emotional distress. For these reasons, trigeminal neuropathic pain needs to be studied in more detail to improve the understanding of the etiology and maintenance of this condition, as well as to develop effective treatment strategies. The first …
Human Milk Cortisol Is Associated With Infant Temperament, Katherine R. Grey, Elyssia Poggi Davis, Curt A. Sandman, Laura M. Glynn
Human Milk Cortisol Is Associated With Infant Temperament, Katherine R. Grey, Elyssia Poggi Davis, Curt A. Sandman, Laura M. Glynn
Psychology Faculty Articles and Research
The implications of the biologically active elements in milk for the mammalian infant are largely unknown. Animal models demonstrate that transmission of glucocorticoids through milk influences behavior and modifies brain development in offspring. The aim of this study was to determine the relation between human milk cortisol levels and temperament of the breastfed infant. Fifty-two mother and infant pairs participated when the infants were three-months old. Milk cortisol levels were assessed and each mother completed the Infant Behavior Questionnaire (IBQ), a widely used parent-report measure of infant temperament. Analyses revealed a positive association between milk cortisol and the negative affectivity …
Severe Lamotrigine Neurotoxicity Treated With Intralipid Emulsion Therapy, Philip W. Moore Do, Megan C. Urquhart Do, Dale L. Mcmillion Do, Keith K. Burkhart Md, Louis R. Cantilena Jr, Md, J Ward Donovan Md
Severe Lamotrigine Neurotoxicity Treated With Intralipid Emulsion Therapy, Philip W. Moore Do, Megan C. Urquhart Do, Dale L. Mcmillion Do, Keith K. Burkhart Md, Louis R. Cantilena Jr, Md, J Ward Donovan Md
Department of Emergency Medicine
No abstract provided.
Radiation-Induced Glutamate Transport Alterations In Neuron-Astrocyte Coupling, Martha Celia Sanchez
Radiation-Induced Glutamate Transport Alterations In Neuron-Astrocyte Coupling, Martha Celia Sanchez
Loma Linda University Electronic Theses, Dissertations & Projects
Exposure of the central nervous system (CNS) to ionizing radiation is known to result in behavioral, cognitive, and motor deficits - effects similar to those seen in many neurodegenerative disorders. Neurons and astrocytes, two principal cell types in the brain, coexist as an interdependent metabolic unit via the neurotransmitter glutamate. Disruption of this metabolic coupling would have widespread effects within the CNS, therefore it is hypothesized that ionizing radiation impairs glutamate transport and metabolism, and increases oxidative stress, ultimately impairing neuron-astrocyte coupling. We propose to investigate the mechanism and determine the impetus for radiation-induced neurotoxicity by measuring the temporal sequence …
Localization Of Sodium, Potassium-Adenosine Triphosphatase In The Cerebral Cortex Of Developing Rats, Maki Ujiie
Localization Of Sodium, Potassium-Adenosine Triphosphatase In The Cerebral Cortex Of Developing Rats, Maki Ujiie
Loma Linda University Electronic Theses, Dissertations & Projects
Active transport via Na+, K+-ATPase plays an important role in establishing and maintaining proper ionic gradient across all mammalian cell membranes. A strict regulation of Na+, and K+ ion levels is especially important in excitable cells such as neurons and myocytes. Inhibition of the enzyme is associated with several pathological conditions and has serious detrimental effects on cerebral cortical cells. Yet the enzyme appears to be limited in amount and distribution in newborn rats. In this study, Na+, K+- ATPase expression and distribution in early postnatal rats were studied …
A Cytochemical Evaluation Of Blood-Brain Barrier Sodium, Potassium- And Calcium-Adenosine Triphosphatase Polarity, Panya Steve Manoonkitiwongsa
A Cytochemical Evaluation Of Blood-Brain Barrier Sodium, Potassium- And Calcium-Adenosine Triphosphatase Polarity, Panya Steve Manoonkitiwongsa
Loma Linda University Electronic Theses, Dissertations & Projects
The blood-brain barrier (BBB) is formed by cerebral vascular endothelial cells. Brain ion and fluid homeotasis essential for proper neural functioning is due to the BBB. Sodium-potassium and calcium-activated adenosine triphosphatase (Na+, K+-ATPase and Ca2+-ATPase) serve as one of the main mechanisms controlling brain Na+, K+, and Ca2+ concentrations. The present accepted concept is that both of these enzymes are localized to the abluminal plasma membrane of endothelial cells although there have been contrary results from some studies. Because of these discrepancies, further work was needed. Various cytochemical procedures …
Effects Of Dextro-Methamphetamine On Subjective Fatigue, C. A. Dejohn, Scott Shappell, D. F. Neri
Effects Of Dextro-Methamphetamine On Subjective Fatigue, C. A. Dejohn, Scott Shappell, D. F. Neri
Publications
Declining aircrew performance during periods of sustained flight operations (SUSOPs) has underscored the need to develop effective countermeasures. This paper reports on the ability of the central nervous system (CNS) stimulant d-methamphetamine to alleviate the detrimental effects of a simulated SUSOPs on subjective fatigue. Subjective fatigue was repeatedly measured by three questionnaires. The simulated SUSOP started at 1800 and consisted of a 9-h planning session followed by 4 h of rest and a 14-h mission. After 6 h of sleep, the 9/4/14 work/rest/work pattern was repeated. At 4 1/2 h into the second mission, 13 subjects were administered 10 mg …