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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Glyphosate And Dopaminergic Neurotoxicity: Herbicide Impacts On Parkinson's Disease Development, Lojy Hozyen
Glyphosate And Dopaminergic Neurotoxicity: Herbicide Impacts On Parkinson's Disease Development, Lojy Hozyen
Undergraduate Research Posters
Nearly one million individuals in the United States are living with Parkinson’s disease (PD). In the past two decades, the death rate from PD has risen by about 63 percent in the United States. Major findings have been made in the past five years about the potential impact of glyphosate (N-(phosphonomethyl) glycine) exposure on the onset of PD symptoms. The purpose of this meta-analysis is to provide a compiled update on the chemical and biological alterations that glyphosate imposes on the human brain. A meta-analysis was conducted to create a quantitative estimate of the connection between PD and glyphosate. Findings …
Mechanistic Insight Into Traumatic Brain Injury Induced Neuronal Membrane Disruption: Cathepsin B Relocalization And A Neun Negative Cortical Neuron Subpopulation, Martina L. Hernandez
Mechanistic Insight Into Traumatic Brain Injury Induced Neuronal Membrane Disruption: Cathepsin B Relocalization And A Neun Negative Cortical Neuron Subpopulation, Martina L. Hernandez
Theses and Dissertations
Traumatic brain injury (TBI) is a mechanical insult to the head that leads to brain damage and, in turn, causes long-term sensory, motor, cognitive, and affective dysfunction. Diffuse pathologies seen following such injury are associated with these life-altering outcomes that impact the daily lives of TBI survivors. The diffuse pathology that this body of work focuses on is neuronal membrane disruption; it is characterized by increased permeability of the neuron’s plasma membrane. Moreover, our lab had previously found that membrane disruption is exacerbated with intracranial pressure (ICP) elevation. We set out to measure the duration of membrane disruption following injury …
Effects Of Hiv-1 Tat And Opiates On Gene Regulation Of Oligodendrocyte Lineage Cells: Identification Of Myrf As A Novel Target, Kelly M. Flounlacker
Effects Of Hiv-1 Tat And Opiates On Gene Regulation Of Oligodendrocyte Lineage Cells: Identification Of Myrf As A Novel Target, Kelly M. Flounlacker
Theses and Dissertations
HIV-associated neurocognitive disorders remain pervasive even with increased efficacy/use of antiretroviral therapies. Opioid use/abuse among HIV+ individuals is documented to exacerbate deficits. White matter (WM) alterations (myelin pallor, volume/structural) detected by diffusion tensor imaging, are common observations in HIV+ individuals. Using transgenic mice expressing HIV-1 Tat, we examined effects of 2-6 weeks of Tat/morphine exposure on WM using genomic/biochemical methods. RNA sequencing of striatal tissue after 2-weeks revealed robust changes in mRNAs associated with oligodendrocyte populations/myelin integrity, including Transferrin, Ndrg1, and myelin regulatory factor (Myrf/Mrf), an oligodendrocyte-specific transcription factor involved in differentiation/maturation. Immunoblots conducted after 6-weeks exposure in …
Unraveling The Consequence Of Adult Onset Sulfatide Depletion: Its Implications In Myelin And Axonal Heath In The Context Of Neurodegenerative Disease, Elizabeth Dustin
Unraveling The Consequence Of Adult Onset Sulfatide Depletion: Its Implications In Myelin And Axonal Heath In The Context Of Neurodegenerative Disease, Elizabeth Dustin
Theses and Dissertations
Multiple Sclerosis is an immune mediated disease of the CNS. MS is diagnosed through detection of demyelinated regions. However, recent studies demonstrate that Normal Appearing White Matter (NAWM) contains substantial pathology. One such pathology observed in the NAWM is the reduction of sulfatide. The proper stoichiometry of lipids in myelin acts to maintain rapid conduction velocity, provide trophic support to the neuron, and protect the axon from degeneration. We previously characterized a mouse lacking sulfatide’s synthesizing enzyme, CST through constitutive gene disruption and demonstrate that sulfide is required for proper stability of the myelin sheath. However, since MS is typically …
Interactions Between Hiv And Opioids On Antiretroviral Accumulation, The Blood Brain Barrier, And The Inflammatory Response In The Brain., Kara Rademeyer
Interactions Between Hiv And Opioids On Antiretroviral Accumulation, The Blood Brain Barrier, And The Inflammatory Response In The Brain., Kara Rademeyer
Theses and Dissertations
The complex mechanisms related to HIV infection, neurodegeneration, and chronic neuroinflammation collectively describe neuroHIV (Hauser et al. 2007; Chang et al. 2014; Smith et al. 2014). Specifically, opioid abuse, poor penetration of antiretroviral (ARV) drugs, chronic inflammation and neuronal injury/degeneration are all implicated in neuroHIV (Fantuzzi et al. 2003; Letendre et al. 2004; Verani et al. 2005; Duncan and Sattentau 2011; Hong and Banks 2015; Simoes and Justino 2015; Olivier et al. 2018; Murphy et al. 2019; Osborne et al. 2020). For the first time, we demonstrate that morphine, fentanyl, and methadone in vivo alter the brain accumulation of ARVs, …