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Neuroscience and Neurobiology Commons™
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Articles 1 - 5 of 5
Full-Text Articles in Neuroscience and Neurobiology
An Autism-Causing Variant Misregulates Selective Autophagy To Alter Axon Targeting And Behavior, Tyler Buddell
An Autism-Causing Variant Misregulates Selective Autophagy To Alter Axon Targeting And Behavior, Tyler Buddell
Theses and Dissertations
Neurodevelopmental disorders cause debilitating disruptions to the cellular mechanisms that underlie development of the brain. Unfortunately, the complexities of neurodevelopmental disorders make them difficult to study, and the molecular mechanisms perturbed by these disorders remain elusive. Better understanding of neurodevelopmental mechanisms, and the related genes involved, will likely yield new insight into neurodevelopmental disorders. A gene that has been associated with a number of neurodevelopmental disorders is the calcium voltage-gated channel subunit alpha1 C (CACNA1C) gene. Common and rare variants of the CACNA1C gene have been associated with autism and other neurodevelopmental disorders including schizophrenia, bipolar disorder and ADHD. However, …
Development Of Mechanosensory Innervation In The Frog, Xenopus Laevis, Peter Andrew Feuk
Development Of Mechanosensory Innervation In The Frog, Xenopus Laevis, Peter Andrew Feuk
Theses and Dissertations
ABSTRACT
DEVELOPMENT OF MECHANOSENSORY INNERVATION IN THE FROG, XENOPUS LAEVIS
by
Peter Feuk
The University of Wisconsin-Milwaukee, 2017
Under the Supervision of Dr. R. David Heathcote
This study aims to investigate whether a specific target cell in the epidermis of the African clawed frog, Xenopus laevis, guides the initial outgrowth and pattern of Rohon-Beard (RB) cells and their survival. RB cells are primary mechanosensory neurons present during the early developmental stages of X. laevis. These neurons provide sensory input to the frog throughout embryonic and larval development before initiating apoptosis around the start of metamorphosis. The innervation of embryonic skin …
The Effects Of Antibodies In Disease Progression Of Mog-Induced Experimental Autoimmune Encephalomyelitis, Melissa Marie Riter
The Effects Of Antibodies In Disease Progression Of Mog-Induced Experimental Autoimmune Encephalomyelitis, Melissa Marie Riter
Theses and Dissertations
Abstract: Multiple sclerosis (MS) is an auto-inflammatory disease of the central nervous system (CNS), affecting over 400,000 people in the US. MS is primarily studied in the animal model experimental autoimmune encephalomyelitis (EAE). MS is a T cell mediated disease but there is mounting evidence for a role for B cells in MS. Previous studies have established that rMOG Induction depends on the presence of B cells, while induction using the MOG peptide covering amino acids 35-55 does not require B cells to cause disease. When plasma from the rMOG and MOG35-55 immunized WT mice was analyzed by ELISA there …
Gene Regulatory Pathways Driving Central Nervous System Regeneration In Zebrafish, Ishwariya Venkatesh
Gene Regulatory Pathways Driving Central Nervous System Regeneration In Zebrafish, Ishwariya Venkatesh
Theses and Dissertations
Damage to the central nervous system (CNS) circuitry of adult mammals results in permanent disability. In contrast, the ability to regenerate damaged CNS nerves and achieve functional recovery occurs naturally in fish. The ability of fish to successfully regrow damaged CNS nerves is in part a consequence of their ability to re-express key neuronal growth-associated genes/proteins in response to CNS injury. On such protein is Growth-Associated Protein-43 (Gap43), a protein which is highly enriched in axonal growth cones during CNS development and regeneration. Experiments conducted in mammals have demonstrated that ectopic expression of GAP-43 improves axonal re-growth after injury. Using …
The Role Of A Camkii/Pka-Protein Degradation-Glur2 Pathway In The Control Of Memory Updating Following Retrieval, Timothy Jarome
The Role Of A Camkii/Pka-Protein Degradation-Glur2 Pathway In The Control Of Memory Updating Following Retrieval, Timothy Jarome
Theses and Dissertations
Reconsolidation is thought to be a process whereby consolidated memories can be modified following retrieval. However, very little is known about the molecular mechanisms that regulate this reconsolidation process. In the present series of experiments we tested if memories "destabilize" or become labile following retrieval through a specific signaling pathway. We found that retrieval of a contextual fear memory differentially increased proteasome activity in the amygdala and hippocampus and resulted in unique changes in AMPA receptor subunit expression in these brain regions. These changes were dependent on CaMKII activity, which was required for increases in Rpt6-S120 phosphorylation, proteasome activity and …