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Molecular and Cellular Neuroscience Commons

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Full-Text Articles in Molecular and Cellular Neuroscience

A Novel Switch-Like Function Of Delta-Catenin In Dendrite Development, Ryan Baumert Dec 2019

A Novel Switch-Like Function Of Delta-Catenin In Dendrite Development, Ryan Baumert

Dissertations & Theses (Open Access)

The formation of neuronal networks in the brain is tightly regulated, and dependent on the morphology of dendrites, the branch-like signal-receiving structures extending from neurons. Disruptions in dendrite development, or dendritogenesis, can lead to the atypical neuronal connectivity associated with multiple neurodevelopmental diseases. My research addresses molecular processes that underlie dendritogenesis via analysis of a pair of novel interactions involving the protein delta-catenin.

In neurons, delta-catenin localizes to dendrites and synapses, where it functions in their development and maintenance. Structurally, delta-catenin possesses a central Armadillo domain and a C-terminal PDZ-binding motif. This motif associates with PDZ domain-containing proteins, and is …


Altered Proteasome Expression And Nuclear Factor (Erythroid-Derived 2)-Like Signaling In Experimental Autoimmune Encephalomyelitis, Kara L. Shanley Nov 2019

Altered Proteasome Expression And Nuclear Factor (Erythroid-Derived 2)-Like Signaling In Experimental Autoimmune Encephalomyelitis, Kara L. Shanley

Biomedical Sciences ETDs

Multiple sclerosis (MS) is a complex neurological disorder characterized by the interactions between heightened inflammation, oxidative stress and neurodegeneration. We and others have previously demonstrated that proteasome dysfunction and its consequences are also important factors in the pathology of both MS and its rodent model, experimental autoimmune encephalomyelitis (EAE). While proteasome subunit alterations in EAE have been observed, the underlying mechanisms are poorly understood. The first goal of this dissertation was to characterize the mechanisms that regulate proteasome expression and composition in neural cells in EAE and in vitro.

Immunohistochemical analysis of the EAE spinal cord shows changes in …


Identifying Dopamine Receptor Genes And Transcription Marbled Crayfish, Wolfgang Stein, Saisupritha Talasu Jan 2019

Identifying Dopamine Receptor Genes And Transcription Marbled Crayfish, Wolfgang Stein, Saisupritha Talasu

Faculty Publications – Biological Sciences

Modulatory transmitters are major contributors to nervous system plasticity and behavioral flexibility, they determine motivational states and are involved in psychiatric and neurological disorders. Neuromodulators act through a variety of distinct receptors and due to the diversity in receptor subtypes and distribution, a single neuromodulator can exert many different actions. A prerequisite to understand the ways modulators work is thus to identify which receptors are expressed in an animal.

I studied which Dopamine receptors are present in the Procambarus virginalis, a highly invasive species of all female genetic clones with high quality genome and transcriptomes. Their broad behavioral repertoire makes …