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Molecular and Cellular Neuroscience Commons™
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Articles 1 - 11 of 11
Full-Text Articles in Molecular and Cellular Neuroscience
Ethanol-Induced Alterations To Astrocytic Glutamate Transporter Mrna Expression In The Mpfc Of Adult Mice, Zachary Evans
Ethanol-Induced Alterations To Astrocytic Glutamate Transporter Mrna Expression In The Mpfc Of Adult Mice, Zachary Evans
Undergraduate Honors Theses
The medial prefrontal cortex (mPFC) is one of several brain structures that is contained in the mesolimbocortical pathway and controls many processes involved in alcohol use disorder (AUD). There is vast glutamatergic output from the mPFC to other mesolimbocortical regions; neuroplastic changes to this system are believed to be closely tied to the development and maintenance of AUD. Astrocytes are key regulators of glutamatergic transmission through their uptake of excess glutamate from the synapse and recycling back into neurons. Ethanol (EtOH) alters the expression of astrocytic genes that encode for transporters that control glutamate homeostasis; these include the glutamate transporter-1 …
Effects Of Acute And Repeated Alcohol Exposure On Expression Of Synaptic-Associated Genes In The Male And Female Mouse Mpfc, Dhruba Podder
Effects Of Acute And Repeated Alcohol Exposure On Expression Of Synaptic-Associated Genes In The Male And Female Mouse Mpfc, Dhruba Podder
Undergraduate Honors Theses
Alcohol use disorder (AUD) is a serious chronic brain disease; in 2021 there were ~29.5 million people in the U.S. diagnosed with AUD. Individuals with AUD often show cognitive impairment such as risky decision-making, difficulties with impulse control, and working memory deficits. This impairment is associated with structural and functional changes in the prefrontal cortex (PFC), an extensively interconnected region of the frontal lobe involved in executive control of goal-directed behaviors. Chronic alcohol exposure in rodents has been seen to cause deficits in performance in behavioral tasks which assess mPFC function such as working memory and behavioral flexibility. It is …
Anatomical Analysis Of Olfactory Sensory Neuron Regeneration Via Glomerular Synaptic Activity Markers In Adult Mice, William Wamack
Anatomical Analysis Of Olfactory Sensory Neuron Regeneration Via Glomerular Synaptic Activity Markers In Adult Mice, William Wamack
Undergraduate Honors Theses
The olfactory system is a great model for studying regeneration due to the olfactory epithelium’s regenerative capability which makes it a potential a source of neural stem cells. The olfactory epithelium presents three types of cells: sustentacular cells which provide support and act as glial supporting cells; olfactory sensory neurons that are in charge of detecting odorant molecules in the air; and the stem cells that generated the aforementioned cell types. Olfactory sensory neurons are constantly dying and being replaced by new neurons originating from the stem cells that lie at the base of the olfactory epithelium. We have used …
Vitamin D And Its In Vitro Therapeutic Action Mediated Through Vdr Rather Than Pdia3, Jaeden Pyburn
Vitamin D And Its In Vitro Therapeutic Action Mediated Through Vdr Rather Than Pdia3, Jaeden Pyburn
Undergraduate Honors Theses
Brain calcification is a common occurrence in the aging process, with >20% of individuals over the age of 65 showing hardened plaques in the basal ganglia. Loss of the vitamin D receptor (VDR) in transgenic mice leads to formation of calcified plaques in the basal ganglia and thalamus within the mice. Vitamin D signals through two known vitamin D responsive proteins, protein disulfide isomerase A3 (PDIA3) and VDR. In vitro, vitamin D has been demonstrated to suppress calcification in osteoblast-like cells. Here, we aim to elucidate which of either PDIA3 or VDR transduce vitamin D mediated suppression of calcification in …
Sleep Modifications In A Drosophila Melanogaster Model Of Fragile X Syndrome, Morgan Mclaughlin
Sleep Modifications In A Drosophila Melanogaster Model Of Fragile X Syndrome, Morgan Mclaughlin
Undergraduate Honors Theses
Fragile X syndrome (FXS) is a neurodevelopmental disorder characterized by intellectual disabilities, disruptions in sleep, and autism in humans. Mutations in Fragile X Mental Retardation gene 1 (FMR1), which codes for a protein that modifies the expression of many target proteins, are primarily responsible for this disorder. Genetic modifications of FMR1 can increase or decrease the overall amount of sleep in humans. A potential pharmaceutical target of FXS is dopamine, a critical neurotransmitter in the regulation of sleep and wakefulness. In fruit flies (Drosophila melanogaster) dopamine has been shown to alter sleep. The mushroom body, a structure in …
The Role Of Dopamine In Decision Making Processes In Drosophila Melanogaster, Michelle C. Bowers
The Role Of Dopamine In Decision Making Processes In Drosophila Melanogaster, Michelle C. Bowers
Undergraduate Honors Theses
Understanding the neural processes that mediate decision making is a relatively new field of investigation in the scientific community. With the ultimate goal of understanding how humans decide between one path and another, simpler models such as Drosophila Melanogaster, the common fruit fly, are often utilized as a way of determining the neural circuits involved in these decision-making processes. One of the most important decisions flies make is the decision of where to lay their eggs (oviposit). Choosing the proper substrate upon which to lay eggs is a crucial decision that can ultimately impact their fecundity. This paper investigates the …
Uridine Promotes Neurite Outgrowth In Neuro2a Cells, Jacquelyn Spathies
Uridine Promotes Neurite Outgrowth In Neuro2a Cells, Jacquelyn Spathies
Undergraduate Honors Theses
Neurodegenerative diseases such as Alzheimer's and Parkinson's are the main causes of age-related dementia. These diseases can be due to neuronal cell death and/or impairment of neurite outgrowth. Giant oyster mushroom (GOM), Pleurotus giganteus, is used as a nootropic to improve cognitive function. GOM can also be used to prevent the onset of dementia. The underlying mechanism behind the medicinal property of GOM is unclear. Previous studies have shown that GOM has a high concentration of uridine. In this study, I examined the effects of uridine on neurite outgrowth in the Neuro-2a (N2a) neuroblastoma cell line. We also examined …
Changes In Synaptic Protein Content And Signaling In A Mouse Model Of Fragile X Syndrome, Kelly Birch, Peter W. Vanderklish Phd
Changes In Synaptic Protein Content And Signaling In A Mouse Model Of Fragile X Syndrome, Kelly Birch, Peter W. Vanderklish Phd
Undergraduate Honors Theses
Fragile X Syndrome--the most common inherited form of intellectual disability--is characterized by low IQ, impaired social interaction, hyperactivity and impulsivity, and abnormal physical traits including an elongated face and protruding ears. Nearly half of all children with Fragile X also meet diagnostic criteria for autism spectrum disorder. Fragile X is caused by a trinucleotide repeat expansion on the X chromosome, leading to silencing of the Fragile X mental retardation gene (FMR1) and thus lack of expression of Fragile X mental retardation protein (FMRP). As a key translational suppressor, FMRP is crucial for normal neural development and synaptic function. The current …
Inverse Changes In Ghrelin And A2a Receptor Gene Expression Levels In The Hippocampus Of Heart Failure Canines Following Spinal Cord Stimulation, Benjamin E. Jewett
Inverse Changes In Ghrelin And A2a Receptor Gene Expression Levels In The Hippocampus Of Heart Failure Canines Following Spinal Cord Stimulation, Benjamin E. Jewett
Undergraduate Honors Theses
Myocardial infarction (MI), often referred to as a heart attack, is a serious health issue in the United States. There is a well-documented link between MI and major depressive disorder (MDD), with a high incidence of MDD occurring after an MI. Overlapping pathologies have been observed within the hippocampus of the brain in animal models of MI and depression. These observations suggest that pathobiological cross-talk between the heart and brain could have a role in the etiology of MDD that occurs after an MI. Spinal cord stimulation (SCS) has previously been shown to have both cardioprotective and neuroprotective effects post-MI, …
Neuromodulation Therapy Mitigates Heart Failure Induced Hippocampal Damage, Timothy P. Diperi
Neuromodulation Therapy Mitigates Heart Failure Induced Hippocampal Damage, Timothy P. Diperi
Undergraduate Honors Theses
Cardiovascular disease (CVD) is the leading cause of death in the United States. Nearly half of the people diagnosed with heart failure (HF) die within 5 years of diagnosis. Brain abnormalities secondary to CVD have been observed in many discrete regions, including the hippocampus. Nearly 25% of patients with CVD also have major depressive disorder (MDD), and hippocampal dysfunction is a characteristic of both diseases. In this study, the hippocampus and an area of the hippocampal formation, the dentate gyrus (DG), were studied in a canine model of HF. Using this canine HF model previously, we have determined that myocardial …
Locus Coeruleus And Hippocampal Tyrosine Hydroxylase Levels In A Pressure-Overload Model Of Heart Disease, Luke A. Johnson
Locus Coeruleus And Hippocampal Tyrosine Hydroxylase Levels In A Pressure-Overload Model Of Heart Disease, Luke A. Johnson
Undergraduate Honors Theses
Studies have indicated that approximately 30% of people with heart disease experience major depressive disorder (MDD). Despite strong clinical evidence of a link between the two diseases, the neurobiological processes involved in the relationship are poorly understood. A growing number of studies are revealing similar neuroanatomical and neurochemical abnormalities resulting from both depression and heart disease. The locus coeruleus (LC) is a group of neurons in the pons that synthesize and release norepinephrine, and that is known to play a significant role in depression pathobiology. For example, there is evidence that tyrosine hydroxylase (TH) is elevated in the LC in …