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Molecular and Cellular Neuroscience Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Molecular and Cellular Neuroscience
Effects Of Pfos On Zebrafish Dopaminergic Neurodevelopment, Allison G. Fletcher
Effects Of Pfos On Zebrafish Dopaminergic Neurodevelopment, Allison G. Fletcher
Research and Creativity Symposium
Per- and polyfluoroalkyl substances (PFAS) are a group of environmental contaminants that cause disruptions to the nervous and endocrine systems. Perfluorooctanesulfonate (PFOS) is considered one of the most disruptive PFAS to the nervous system, and may disrupt neurodevelopment of the dopaminergic system, which has been linked to neurodevelopmental disorders like Attention Deficit/Hyperactivity Disorder (ADHD) in humans. I hypothesized that early life PFOS exposure disrupts the development of the dopaminergic system. To test this hypothesis, I exposed zebrafish to 0.05, 0.5, and 5.0 mg/L PFOS through 5 days of embryonic and larval development. To assess acute effects of PFOS on the …
Characterizing Border Associated Macrophages During Spinal Cord Regeneration, Addison Vogt, Dana Shaw, Mayssa Mokalled
Characterizing Border Associated Macrophages During Spinal Cord Regeneration, Addison Vogt, Dana Shaw, Mayssa Mokalled
Undergraduate Research Symposium
The human central nervous system has limited regenerative ability, with injuries to the spinal cord (SC) often resulting in paralysis. Alternatively, zebrafish have enhanced innate regenerative capacity and regain full motor function following spinal cord injury (SCI). Immune activation following SCI is necessary to provide a permissive environment for tissue repair, but the immune pathways necessary for SC regeneration are not well characterized. In previous data, we have found that while immune activation is persistent into the chronic phases of SCI response in mammals, zebrafish achieve full immune clearance within 48 days post SCI. We hypothesize that one key distinction …
Opioid Use Disorder: The Timeline For Medication Assisted Therapy, Alexander Cristofori
Opioid Use Disorder: The Timeline For Medication Assisted Therapy, Alexander Cristofori
Capstone Showcase
Opioid Use Disorder is patterns of opioid use leading to withdrawal, giving up important life events in order to use opioids, and excessive time spent using opioids, to name a few diagnostic criteria. The clinical progression of the disorder involves periods of acute exacerbation and remission that are cyclic in nature. Treatment is most effective when it includes both pharmacological and psychosocial modalities, referred to as medication assisted therapy (MAT). Three drugs used commonly in MAT-based treatment for OUD from oldest to newest include Methadone, Buprenorphine-naloxone, and Naltrexone. Treatment program models that prioritize total abstinence from the addictive substance attached …
Effects Of Chronic Ethanol Exposure On Stress Coping Style And Genetic States Of Zebrafish (Danio Rerio), Alexander Goodman
Effects Of Chronic Ethanol Exposure On Stress Coping Style And Genetic States Of Zebrafish (Danio Rerio), Alexander Goodman
UNO Student Research and Creative Activity Fair
Neurotransmitter systems are important in regulating the stress response. If a behavioral response is disproportional to a stressor it is characterized as anxiety-like behavior. Many anxiolytic compounds, such as ethanol, increase stressor engagement, but how these compounds interact with an organism on a neurogenetic level is less understood. In this study, I assessed the impact of chronic ethanol treatment on behavior and gene expression of GABAAreceptors subunits on two strains of zebrafish. Each strain was selectively bred to display the proactive or reactive stress coping style where proactive individuals will actively engage a stressor more than reactive individuals. …
Neuronal Degeneration And Short-Term Memory Impairment After Tbi, Obiamaraije Igwe
Neuronal Degeneration And Short-Term Memory Impairment After Tbi, Obiamaraije Igwe
Posters-at-the-Capitol
Traumatic brain injury (TBI) was associated with impaired short-term memory with causes of vehicle accidents and falls. Protein plaques containing fibrinogen (Fg), are associated with memory loss. After TBI, Fg in blood was higher than normal (>~2 mg/ml), which resulted in increased Fg in extravascular space. Therefore, Fg bonded to its endothelial receptor intercellular adhesion molecule-1 (ICAM-1). Fg then interacted with cellular prion protein (PrPC), which had a strong effect on the loss of memory and cognition. Mechanisms of Fg and PrPC complex formation and its functional implication are not known. This present study tested the level of Fg-PrPC …
A Behavioral Prerequisite For The Genetic Analysis Of Auditory Feature Detection Mechanisms In Female Crickets, Rebecca L. Blisko
A Behavioral Prerequisite For The Genetic Analysis Of Auditory Feature Detection Mechanisms In Female Crickets, Rebecca L. Blisko
Senior Honors Projects
Sexual dimorphism is exhibited across all cricket species and is a central aspect of the mating processes of these insects. Only male crickets possess wing structures and pattern generators in the central nervous system that allow them to produce a mating call that is unique to their species in order to attract conspecific females. Conspecific females possess an auditory feature detection circuit in the central nervous system that is capable of detecting the species-specific frequency and temporal pattern of sound pulses within a male call. In order for dimorphic differences in mating behavior to result in successful continuation of a …
The Effects Of Chronic Partial Sleep Deprivation On Alcohol Consumption And Delta Fos B Accumulation, Kristian Ponder
The Effects Of Chronic Partial Sleep Deprivation On Alcohol Consumption And Delta Fos B Accumulation, Kristian Ponder
Showcase of Graduate Student Scholarship and Creative Activities
The present study explores the relation between sleep restriction and alcohol use and the neural substrates that result from chronic behaviors, such as transcription factors. Transcription factor activity is suggested as a possible outcome of chronic behaviors, such as addiction. Sleep is discussed as possible mediating factor in the relationship between specific transcription factors and alcohol. Analysis will focus on brain areas related to both sleep and reward.