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Virginia Commonwealth University

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Multiple Sclerosis

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Full-Text Articles in Medicine and Health Sciences

Pharmacological Inhibition Of Cyclophilin Ameliorates Experimental Allergic Encephalomyelitis, Zi L. Huang Jan 2016

Pharmacological Inhibition Of Cyclophilin Ameliorates Experimental Allergic Encephalomyelitis, Zi L. Huang

Theses and Dissertations

A subset of cyclophilins have been implicated in mechanisms of neuroinflammation and neurodegeneration that contributes to the pathogenesis of Multiple Sclerosis. Mitochondrial dysfunction leading to mitochondrial permeability transition plays a pivotal role in axonal damage and disease progression in Multiple Sclerosis. Cyclophilin D (CypD) is a crucial regulatory component of the mitochondrial permeability transition pore and it was demonstrated that the cyclophilin D knockout animals showed reduced experimental allergic encephalomyelitis (EAE) clinical disease severity and axonal injury. We investigated the effect of N-methyl-4-isoleucine-cyclosporin (NIM811), a non-immunosuppressive and non-selective cyclophilin inhibitor, on the course and severity of EAE. EAE mice treated …


Axon Initial Segment Stability In Multiple Sclerosis, Suneel K. Thummala Jan 2015

Axon Initial Segment Stability In Multiple Sclerosis, Suneel K. Thummala

Theses and Dissertations

Multiple sclerosis (MS) is an autoimmune disease of the central nervous system characterized by inflammation and demyelination. In addition to these hallmark features, MS also presents with axonal pathology, which is likely responsible for the signs and symptoms of the disease. Although prominent in MS, axonal pathology is frequently considered a consequence of demyelination and not a primary event. This conclusion is consistent with demyelination inducing the loss of specific axonal domains, known as the nodes of Ranvier that are responsible for the propagation of action potentials along the axon. In contrast, we propose that axonal pathology associated with MS …