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Articles 1 - 28 of 28
Full-Text Articles in Pharmacology
Differential Behavioral Responses In Male And Female Mice Lacking Either Rgs2 Or Rgs4 Proteins After Acute Administration Of Antidepressants And Anxiolytics, Hiroyoshi Matsui, Sarah Seeley, Manoranjan S. D'Souza
Differential Behavioral Responses In Male And Female Mice Lacking Either Rgs2 Or Rgs4 Proteins After Acute Administration Of Antidepressants And Anxiolytics, Hiroyoshi Matsui, Sarah Seeley, Manoranjan S. D'Souza
ONU Student Research Colloquium
The overall objective of the study was to assess the acute behavioral effects of currently used antidepressants and anxiolytics in male and female mice lacking regulator of G protein-signaling (RGS) proteins 2 and 4 and their wild-type counterparts. RGS 2 and 4 proteins negatively modulate signaling pathways of G protein-coupled receptors (GPCRs), which play an important role in mediating the effects of monoamine neurotransmitters such as dopamine, norepinephrine, and serotonin. These neurotransmitters in turn play an important role in the action of antidepressant and anxiolytic medications. The study was undertaken because no studies till date have systematically assessed the behavioral …
The Evaluation Of The Prokinetic Action Of A Luminally Restricted 5-Ht4 Receptor Agonist In Mice, Emma Schoeling
The Evaluation Of The Prokinetic Action Of A Luminally Restricted 5-Ht4 Receptor Agonist In Mice, Emma Schoeling
Graduate College Dissertations and Theses
Serotonin (5-HT) is a neurotransmitter mainly produced in the enteric nervous system (ENS) of the gastrointestinal (GI) system. Serotonin has widespread function throughout the body including regulating mood, cognition, sleep, sex, and appetite. In the context of the gut, the monoamine modulates vasodilation, mucus secretion, pain, and peristaltic reflexes for motility. The 5-HT4 receptor is expressed on enteric epithelial cells and nerve terminals in the intestinal mucosa. The agonists available to act on these receptors are a favorable target to promote epithelial healing, recovery from colitis or constipation, and epithelial cell proliferation. The non-absorbable, luminally restricted, 5-HT4R agonist (5HT4-LA1; Takeda …
Selective Gsk3Β Inhibition Mediates An Nrf2-Independent Anti-Inflammatory Microglial Response, Mohamed H. Yousef
Selective Gsk3Β Inhibition Mediates An Nrf2-Independent Anti-Inflammatory Microglial Response, Mohamed H. Yousef
Theses and Dissertations
Glycogen Synthase Kinase 3 (GSK3) is associated with the proinflammatory phenotype of microglia and has been shown to act in concert with Nuclear factor kappa B (NF-κB). . GSK3 is also a suppressor of Nuclear factor erythroid 2-related factor 2 (Nrf2), the principal regulator of redox homeostasis. Agreeing with the oxidative paradigm of aging, Nrf2 is often deregulated in parainflammatory and neurodegenerative diseases. In this study, we aimed to explore a multimodal disease-modifying utility of GSK3 inhibition, beyond neuronal proteopathologies, Furthermore, we aimed to underscore the difference in therapeutic value between the two GSK3 paralogs by isoform-selective chemical inhibition.
The …
The Benefits Of Astaxanthin To Improve Pain Relief In Patients With Painful Diabetic Neuropathy: An Open-Label, Randomized Controlled Trial, Rizaldy Taslim Pinzon, Mary Rose Angelina Budi Harsana
The Benefits Of Astaxanthin To Improve Pain Relief In Patients With Painful Diabetic Neuropathy: An Open-Label, Randomized Controlled Trial, Rizaldy Taslim Pinzon, Mary Rose Angelina Budi Harsana
Pharmaceutical Sciences and Research
Treatment of diabetic neuropathy is still carried out by providing symptomatic therapy, which only improves ± 50% of the total symptoms felt by patients, but does not tackle the underlying causes of the disease. Astaxanthin is a potent antioxidant, anti-inflammatory, and anti-diabetic carotenoid that could be an additional treatment option. We aimed to measure the effectiveness of administering astaxanthin as an additional therapy to improve the impact of pain and discomfort experienced daily by diabetes mellitus patients with painful diabetic neuropathy. We conducted a randomized experimental study with an open label design of 36 patients who had been diagnosed with …
Baclofen-Induced Changes In The Resting Brain Modulate Smoking Cue Reactivity: A Double-Blind Placebo-Controlled Functional Magnetic Resonance Imaging Study In Cigarette Smokers, Ariel Ketcherside, Kanchana Jagannathan, Sudipto Dolui, Nathan Hager, Nathaniel Spilka, Chaela Nutor, Hengyi Rao, Teresa Franklin, Reagan Wetherill
Baclofen-Induced Changes In The Resting Brain Modulate Smoking Cue Reactivity: A Double-Blind Placebo-Controlled Functional Magnetic Resonance Imaging Study In Cigarette Smokers, Ariel Ketcherside, Kanchana Jagannathan, Sudipto Dolui, Nathan Hager, Nathaniel Spilka, Chaela Nutor, Hengyi Rao, Teresa Franklin, Reagan Wetherill
Psychology Faculty Publications
Objective: Smoking cue-(SC) elicited craving can lead to relapse in SC-vulnerable individuals. Thus, identifying treatments that target SC-elicited craving is a top research priority. Reduced drug cue neural activity is associated with recovery and is marked by a profile of greater tonic (resting) activation in executive control regions, and increased connectivity between executive and salience regions. Evidence suggests the GABA-B agonist baclofen can reduce drug cue-elicited neural activity, potentially through its actions on the resting brain. Based on the literature, we hypothesize that baclofen’s effects in the resting brain can predict its effects during SC exposure.
Methods: In this longitudinal, …
Activation Of The Sonic Hedgehog Effector Smoothened Counteracts L-Dopa Induced Dyskinesia By Restoring Cholinergic Interneuron Function, Lauren Malave
Dissertations, Theses, and Capstone Projects
Many types of neurons act as multimodal signaling centers. Yet, we have only limited insight into the regulation and functional consequences of neuronal co-transmission. For example, dopamine (DA) neurons, whose degeneration causes motor deficits characteristic of Parkinson’s Diseases (PD), communicate with all their targets by DA but only a selective subset of their targets using GABA, Glutamate, and the secreted cell signaling protein Sonic Hedgehog (Shh). It is unknown whether Levo-dopamine (L-Dopa) induced dyskinesia (LIDs), a severely debilitating side effect of DA supplementation in PD, might appear because DA neuron targets are exposed to high DA- but low Shh- signaling …
Measuring The Effects Of Lobinaline-N-Bioxide (419) On Alcohol Consumption, Nicotine Locomotor Sensitization, And Conditioned Place Preference In Mice And Rats, Cocanut M. Suhail
Measuring The Effects Of Lobinaline-N-Bioxide (419) On Alcohol Consumption, Nicotine Locomotor Sensitization, And Conditioned Place Preference In Mice And Rats, Cocanut M. Suhail
Theses and Dissertations--Medical Sciences
Objective: Novel drug 419 was examined to see the effect it has in vivo mice and rats on alcohol consumption, nicotine locomotor sensitization, and conditioned place preference (CPP) models regarding behavioral tests on dopamine transporter activity.
Methods: Mice and rats were used to see how they react to the drug 419 and control vehicle, in each of the models. The animals were assessed to pre- and post- drug administration of novel drug 419. We examined each model to see the association between how drug 419 will help with treating drug abuse.
Results: We found that in alcohol consumption model the …
Combination Of Investigational Cell-Based Therapy And Deep Brain Stimulation To Alter The Progression Of Parkinson’S Disease, Nader El Seblani
Combination Of Investigational Cell-Based Therapy And Deep Brain Stimulation To Alter The Progression Of Parkinson’S Disease, Nader El Seblani
Theses and Dissertations--Pharmacy
Parkinson’s disease (PD) is the second most common neurodegenerative disorder and the motor symptoms are caused by progressive loss of midbrain dopamine neurons. There is no current treatment that can slow or reverse PD. Our current “DBS-Plus” clinical trial (NCT02369003) features the implantation in vivo of autologous Schwann cells (SCs) derived from a patient’s sural nerve into the substantia nigra pars compacta (SNpc) in combination with Deep Brain Stimulation (DBS) therapy for treating patients with advanced PD.
The central hypothesis of our research is that transdifferentiated SCs within conditioned nerve tissue will deliver pro-regenerative factors to enhance the survival of …
Macrophages But Not Astrocytes Harbor Hiv Dna In The Brains Of Hiv-1-Infected Aviremic Individuals On Suppressive Antiretroviral Therapy, Allen Ko, Guobin Kang, Julian B. Hattler, Hadiza I. Galadima, Junfeng Zhang, Qingsheng Li, Woong-Ki Kim
Macrophages But Not Astrocytes Harbor Hiv Dna In The Brains Of Hiv-1-Infected Aviremic Individuals On Suppressive Antiretroviral Therapy, Allen Ko, Guobin Kang, Julian B. Hattler, Hadiza I. Galadima, Junfeng Zhang, Qingsheng Li, Woong-Ki Kim
Community & Environmental Health Faculty Publications
The question of whether the human brain is an anatomical site of persistent HIV-1 infection during suppressive antiretroviral therapy (ART) is critical, but remains unanswered. The presence of virus in the brains of HIV patients whose viral load is effectively suppressed would demonstrate not only the potential for CNS to act as an anatomical HIV reservoir, but also the urgent need to understand the factors contributing to persistent HIV behind the blood-brain barrier. Here, we investigated for the first time the presence of cells harboring HIV DNA and RNA in the brains from subjects with undetectable plasma viral load and …
Under The Influence: An Interdisciplinary Approach To Psychedelics, Jody Roun
Under The Influence: An Interdisciplinary Approach To Psychedelics, Jody Roun
Master of Liberal Studies Theses
The following research will outline the effects of psychedelics from an interdisciplinary approach, which is to say that I will explore the neuroscience behind psychedelic drugs and how it relates to creativity, as a primary focus, while examining the role of additional points included along the way. The goal of this research, is to gain a deeper understanding of psychedelics and truly decipher what it means to be under the influence, as the most important goal of this human existence is to achieve understanding. The aforementioned is a point that great minds like Albert Einstein and Humphry Osmond impressed on …
Development And Preclinical Evaluation Of Long-Lasting Cocaine Hydrolases For Cocaine Overdose And Cocaine Use Disorder Treatment, Ting Zhang
Theses and Dissertations--Pharmacy
Cocaine is a plant-based illicit drug commonly involved in substance use disorder. Although cocaine overdose and cocaine use disorders cause adverse health consequences to individuals and the economic burden on their family and society, there are no FDA (Food and Drug Administration) approved medications for treatment. Recently, it has been recognized that delivery of cocaine hydrolase (CocH) is a promising therapeutic strategy. Human butyrylcholinesterase (hBChE), the primary enzyme involved in cocaine metabolism in human, have advantages over other candidates for the development of CocH. Previous studies in our laboratory have designed and characterized hBChE mutants that have ~4,000-fold improved catalytic …
Metabotropic Glutamate Receptor 2 Activation: Computational Predictions And Experimental Validation, Amr Ellaithy
Metabotropic Glutamate Receptor 2 Activation: Computational Predictions And Experimental Validation, Amr Ellaithy
Theses and Dissertations
G protein-coupled receptors (GPCRs) are the largest family of signaling proteins in animals and represent the largest family of druggable targets in the human genome. Therefore, it is of no surprise that the molecular mechanisms of GPCR activation and signal transduction have attracted close attention for the past few decades. Several stabilizing interactions within the GPCR transmembrane (TM) domain helices regulate receptor activation. An example is a salt bridge between 2 highly conserved amino acids at the bottom of TM3 and TM6 that has been characterized for a large number of GPCRs. Through structural modeling and molecular dynamics (MD) simulations, …
Hypercapnic Hyperoxia Increases Free Radical Production And Cellular Excitability In Rat Caudal Solitary Complex Brain Slice Neurons, Geoffrey Edward Ciarlone
Hypercapnic Hyperoxia Increases Free Radical Production And Cellular Excitability In Rat Caudal Solitary Complex Brain Slice Neurons, Geoffrey Edward Ciarlone
USF Tampa Graduate Theses and Dissertations
The caudal solitary complex (cSC) is a cardiorespiratory integrative center in the dorsal medulla oblongata that plays a vital role in the central CO2-chemoreceptive network. Neurons in this area respond to hypercapnic acidosis (HA) by a depolarization of the membrane potential and increase in firing rate, however a definitive mechanism for this response remains unknown. Likewise, CO2-chemoreceptive neurons in the cSC respond to hyperoxia in a similar fashion, but via a free radical mediated mechanism. It remains unknown if the response to increased pO2 is merely an increase in redox signaling, or if it’s the …
Hormone Replacement Therapy (Hrt) Modulates Peripheral And Central Auditory System Processing With Aging, Tanika Williamson
Hormone Replacement Therapy (Hrt) Modulates Peripheral And Central Auditory System Processing With Aging, Tanika Williamson
USF Tampa Graduate Theses and Dissertations
After the findings were reported for the Women’s Health Initiative (WHI) study in the past decade, there has been a significant decline in the overall use of hormone replacement therapy (HRT) among women. However, there are still millions of middle-aged, menopausal women in the U.S. who are currently undergoing hormone therapy. Their reasons for continuing treatment include relief of severe menopausal symptoms, aid in the management of osteoporosis and reduction in the risk of colon cancer (Ness et al., 2005). The purpose of the following investigation was to evaluate the impact of HRT on the central and peripheral auditory systems …
Leukemia Inhibitory Factor As A Neuroprotective Agent Against Focal Cerebral Ischemia, Stephanie Davis
Leukemia Inhibitory Factor As A Neuroprotective Agent Against Focal Cerebral Ischemia, Stephanie Davis
USF Tampa Graduate Theses and Dissertations
Previous publications from this laboratory demonstrated that administration of leukemia inhibitory factor (LIF) (125 µg/kg) to young, male Sprague-Dawley rats at 6, 24, and 48 h after middle cerebral artery occlusion (MCAO) reduced infract volume, improved sensimotor skills, and alleviated damage to white matter at 72 h after the injury. In vitro studies using cultured oligodendrocytes (OLs) showed that LIF (200 ng/ml) also protects against 24 h of oxygen-glucose deprivation through activation of Akt signaling and upregulation of the antioxidant enzymes peroxiredoxin IV and metallothionein III. Other groups have demonstrated that LIF reduces neurodegeneration in animal models of disease, but …
Using A Novel Optogenetic Approach To Directly Assess 5-Ht1a Somatodendritic Autoreceptor Function In Response To Chronic Selective Serotonin Reuptake Inhibitor Treatment, Kelly Marie Mcgregor
Using A Novel Optogenetic Approach To Directly Assess 5-Ht1a Somatodendritic Autoreceptor Function In Response To Chronic Selective Serotonin Reuptake Inhibitor Treatment, Kelly Marie Mcgregor
Wayne State University Dissertations
Antidepressant drugs are widely used but their mechanism of action remains only partially understood. One leading hypothesis holds that a key effect of chronic treatment with a Selective Serotonin Reuptake Inhibitor (SSRI) is loss of somatodendritic 5-HT1A receptor-mediated autoinhibition in serotonergic neurons of the dorsal raphe nucleus (DRN). However, technical limitations have prevented direct testing of this hypothesis. In the current study we took advantage of optogenetic strategies to assess the effects of the classic SSRI fluoxetine on 5-HT1A receptor-mediated autoinhibition. We conducted these experiments in mice expressing the light-sensitive ion channel Channelrhodopsin (ChR) in 5-HT neurons to facilitate their …
Ubiquitin Ligase Trim32 And Chloride-Sensitive Wnk1 As Regulators Of Potassium Channels In The Brain, Eugene Miler Cilento
Ubiquitin Ligase Trim32 And Chloride-Sensitive Wnk1 As Regulators Of Potassium Channels In The Brain, Eugene Miler Cilento
Graduate College Dissertations and Theses
The voltage-gated potassium channel Kv1.2 impacts membrane potential and therefore excitability of neurons. Expression of Kv1.2 at the plasma membrane (PM) is critical for channel function, and altering Kv1.2 at the PM is one way to affect membrane excitability. Such is the case in the cerebellum, a portion of the brain with dense Kv1.2 expression, where modulation of Kv1.2 at the PM can impact electrical activity of neurons and ultimately cerebellum-dependent learning. Modulation of Kv1.2 at the PM can occur through endocytic trafficking of the channel; however mechanisms behind this process in the brain remain to be defined.
The goal …
Traumatic Brain Injury Causes Endothelial Dysfunction In Mesenteric Arteries 24 Hrs After Injury, Ivette Ariela Nunez
Traumatic Brain Injury Causes Endothelial Dysfunction In Mesenteric Arteries 24 Hrs After Injury, Ivette Ariela Nunez
Graduate College Dissertations and Theses
Traumatic brain injury (TBI) is the most frequent cause of death in children and young adults in the United States. Besides emergency neurosurgical procedures, there are few medical treatment options to improve recovery in people who have experienced a TBI. Management of patients who survive TBI is complicated by both central nervous system and peripheral systemic effects. The pathophysiology of systemic inflammation and coagulopathy following TBI has been attributed to trauma-induced endothelial cell dysfunction; however, there is little knowledge of the mechanisms by which trauma might impact the functions of the vascular endothelium at sites remote from the injury. The …
Sigma Receptor Activation Mitigates Toxicity Evoked By The Convergence Of Ischemia, Acidosis And Amyloid-Beta, Adam Alexander Behensky
Sigma Receptor Activation Mitigates Toxicity Evoked By The Convergence Of Ischemia, Acidosis And Amyloid-Beta, Adam Alexander Behensky
USF Tampa Graduate Theses and Dissertations
Stroke is the fifth leading cause of death in the United States and a major cause of long-term disability in industrialized countries. The core region of an ischemic stroke dies within minutes due to activation of necrotic pathways. Outside of this core region is the penumbral zone, where some perfusion is maintained via collateral arteries. Delayed cell death occurs in this area due to the triggering of apoptotic mechanisms, which expands the ischemic injury over time. The cellular and molecular events that produce the expansion of the ischemic core continue to be poorly understood. The increases in the amyloid precursor …
The Effects Of Picrotoxin And Ethanol On Crayfish Escape And Central Motor Pattern Neural Circuits, Rebecca Bierman, Nathan Hardcastle, Colin Istvan
The Effects Of Picrotoxin And Ethanol On Crayfish Escape And Central Motor Pattern Neural Circuits, Rebecca Bierman, Nathan Hardcastle, Colin Istvan
Georgia State Undergraduate Research Conference
No abstract provided.
Prolactin And Fmri Response To Skf38393 In The Baboon, Brad D. Miller, Lauren A. Marks, Jonathan M. Koller, Blake J. Newman, G Larry Bretthorst, Kevin J. Black
Prolactin And Fmri Response To Skf38393 In The Baboon, Brad D. Miller, Lauren A. Marks, Jonathan M. Koller, Blake J. Newman, G Larry Bretthorst, Kevin J. Black
Kevin J. Black, MD
Background: This study’s goal was to provide dose-response data for a dopamine agonist in the baboon using standard methods (replicate measurements at each dose, across a range of doses), as a standard against which to subsequently validate a novel pharmacological MRI (phMRI) method. Dependent variables were functional MRI (fMRI) data from brain regions selected a priori, and systemic prolactin release. Necessary first steps included estimating the magnitude and time course of prolactin response to anesthesia alone and to various doses of agonist. These first steps (“time course studies”) were performed with three agonists, and the results were used to select …
Long-Lasting Attenuation Of Amygdala-Kindled Seizures After Convection-Enhanced Delivery Of Botulinum Neurotoxins A And B Into The Amygdala In Rats, Maciej Gasior, Rebecca Tang, Michael A. Rogawski
Long-Lasting Attenuation Of Amygdala-Kindled Seizures After Convection-Enhanced Delivery Of Botulinum Neurotoxins A And B Into The Amygdala In Rats, Maciej Gasior, Rebecca Tang, Michael A. Rogawski
Michael A. Rogawski
Botulinum neurotoxins (BoNTs) are well recognized to cause potent, selective and long-lasting neuroparalytic actions by blocking cholinergic neurotransmission to muscles and glands. There is evidence that BoNT isoforms can also inhibit neurotransmission in the brain. Here we examined whether locally delivered BoNT/A and BoNT/B can attenuate kindling measures in amygdala-kindled rats. Male rats were implanted with a combination infusion cannula-stimulating electrode assembly into the right basolateral amygdala. Fully-kindled animals received a single infusion of vehicle or BoNT/A or BoNT/B at doses of 1, 3.2, or 10 ng over a 20-min period by convection enhanced delivery (CED). Electrographic (EEG) and behavioral …
Progress Towards Understanding Of Mechanisms Of Action Of Potent Multifunctional Disease Modifying Therapeutics For Parkinson's Disease & Investigating The Methamphetamine-Induced Striatal Microglia Activation., Mrudang M. Shah
Wayne State University Dissertations
PROGRESS TOWARDS UNDERSTANDING OF MECHANISMS OF ACTION OF POTENT MULTIFUNCTIONAL DISEASE MODIFYING
THERAPEUTICS FOR PARKINSON'S DISEASE.
by
MRUDANG MANOJKUMAR SHAH
December 2013
Advisor: Dr. Aloke Dutta
Major: Pharmaceutical Sciences
Degree: Doctor of Philosophy
Our long term goal is to design and develop potent multifunctional disease modifying therapeutics for Parkinson's disease. The objective of my dissertation was to understand the mechanisms of action of some potent small molecules (synthesized in our lab) as a disease modifying Parkinson's disease therapeutic. The objective was achieved by pursuing the following two specific aims:
1. Investigating anti-oxidant and neuroprotective effects of a lead molecule (D-512) …
The Inflammatory Response Initiated By The Spleen To Ischemic Stroke, Hilary Seifert
The Inflammatory Response Initiated By The Spleen To Ischemic Stroke, Hilary Seifert
USF Tampa Graduate Theses and Dissertations
The peripheral immune system plays a role in delayed neural injury after stroke. This response originates from the spleen as splenectomy prior to middle cerebral artery occlusion (MCAO) in rats significantly reduces infarct volume in the brain. This research is based on the hypothesis that inhibiting the splenic response will reduce neurodegeneration after stroke. Studies in animals have implicated lymphocytes as the immune cell type that is detrimental following MCAO. Interferon gamma (IFNγ) has been identified as a pro-inflammatory cytokine that is also detrimental following stroke. IFNγ is important because it activates microglia and macrophages in a pro-inflammatory nature that …
A Pre-Clinical Assessment Of Minocycline For Treatment Of Chronic Neuropathic Pain After Spinal Cord Injury, Alissa R. Poteete
A Pre-Clinical Assessment Of Minocycline For Treatment Of Chronic Neuropathic Pain After Spinal Cord Injury, Alissa R. Poteete
Dissertations & Theses (Open Access)
Patients living with a spinal cord injury (SCI) often develop chronic neuropathic pain (CNP). Unfortunately, the clinically approved, current standard of treatment, gabapentin, only provides temporary pain relief. This treatment can cause numerous adverse side effects that negatively affect the daily lives of SCI patients. There is a great need for alternative, effective treatments for SCI-dependent CNP.
Minocycline, an FDA-approved antibiotic, has been widely prescribed for the treatment of acne for several decades. However, recent studies demonstrate that minocycline has neuroprotective properties in several pre-clinical rodent models of CNS trauma and disease. Pre-clinical studies also show that short-term minocycline treatment …
Cosmetic Neurology: Enhancement Of The Mind And Attention Deficit Hyperactive Disorder Medication Abuse Among College Students, Mary M. Huff
Cosmetic Neurology: Enhancement Of The Mind And Attention Deficit Hyperactive Disorder Medication Abuse Among College Students, Mary M. Huff
Senior Honors Theses
Cosmetic neurology is becoming increasingly popular, and it is not just sleep deprived, over worked college students who are interested. People are beginning to seek off-label prescriptions for medications that are typically used to treat disorders such as attention deficit hyperactive disorder (ADHD) or narcolepsy, while researchers are trying to create drugs used solely for mind enhancement purposes. Along with these drugs come many legal and ethical quandaries relating to the regulation of current use as well as the what ifs of future possibilities. A survey was conducted among college students regarding the diagnosis of ADHD, the abuse of ADHD …
Maternal Immune Dysregulation In The Pathogenesis Of Neurodevelopmental Disorders: Interleukin-6 As A Central Mechanism And Therapeutic Target Of Flavonoids, Ellisa Carla Parker-Athill
Maternal Immune Dysregulation In The Pathogenesis Of Neurodevelopmental Disorders: Interleukin-6 As A Central Mechanism And Therapeutic Target Of Flavonoids, Ellisa Carla Parker-Athill
USF Tampa Graduate Theses and Dissertations
Activation of the maternal immune system and resultant maternal cytokine expression due to prenatal infection has been implicated as a significant contributor to the pathology of neuropsychiatric and neurodevelopmental disorders such as schizophrenia and Autism Spectrum Disorder (ASD). Increased maternal interleukin-6 (IL-6) expression, observed clinically and in animal models of prenatal infection, and resultant activation of key signaling pathways, has been shown to be a biological indicator of pathology, and a central component of the pathological mechanism. In animal models of prenatal infection and clinically in pregnancy disorders hallmarked by immunological irregularities and increased IL-6 expression, inhibition of IL-6 has …
Secreted Factors From Human Umbilical Cord Blood Cells Protect Oligodendrocytes From Ischemic Insult, Derrick Rowe
Secreted Factors From Human Umbilical Cord Blood Cells Protect Oligodendrocytes From Ischemic Insult, Derrick Rowe
USF Tampa Graduate Theses and Dissertations
Oligodendrocytes (OL)s are the dominant cell type in the white matter and are integral for synaptic transmission essential for proper neuronal communication between brain areas. Previous studies have shown that intravenous administration of the mononuclear fraction of human umbilical cord blood (HUCB) cells in rat models of stroke reduced white matter injury, gray matter injury and behavioral deficits. Yet the mechanisms used by HUCB cells remain unknown in ischemic injury. These studies will investigate both in vitro and in vivo approaches to elucidate this mechanism in OLs. When mature primary OLs were coincubated with HUCB cells, HUCB cells secreted soluble …