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Articles 31 - 34 of 34
Full-Text Articles in Medicine and Health Sciences
Alternative Splicing In Vertebrate Photoreceptors And Mechanisms Underlying Retinitis Pigmentosa, Jesse C. Sundar
Alternative Splicing In Vertebrate Photoreceptors And Mechanisms Underlying Retinitis Pigmentosa, Jesse C. Sundar
Graduate Theses, Dissertations, and Problem Reports
RNA binding proteins (RBPs) have emerged as important regulators of gene expression. RBPs typically contain RNA binding domains that recognize a specific sequence and/or structural motifs within the RNA. This allows them to modulate metabolism of RNAs in several possible ways including regulation of alternative splicing and processing, polyadenylation, translocation, localization, modification, stability, or translation. Previous studies have shown the Musashi (MSI) RBP family to be highly expressed in the retina, and more specifically, photoreceptors, but the importance of this expression remains largely unknown. We identified the MSI proteins as potential regulators of alternative exon splicing in murine photoreceptors. We …
Flexor Dysfunction Following Unilateral Transient Ischemic Brain Injury Is Associated With Impaired Locomotor Rhythmicity, Kiril Tuntevski
Flexor Dysfunction Following Unilateral Transient Ischemic Brain Injury Is Associated With Impaired Locomotor Rhythmicity, Kiril Tuntevski
Graduate Theses, Dissertations, and Problem Reports
Functional motor deficits in hemiplegia after stroke are predominately associated with flexor muscle impairments in animal models of ischemic brain injury, as well as in clinical findings. Rehabilitative interventions often employ various means of retraining a maladapted central pattern generator for locomotion. Yet, holistic modeling of the central pattern generator, as well as applications of such studies, are currently scarce. Most modeling studies rely on cellular neural models of the intrinsic spinal connectivity governing ipsilateral flexor-extensor, as well as contralateral coupling inherent in the spinal cord. Models that attempt to capture the general behavior of motor neuronal populations, as well …
Cortactin Phosphorylation By Casein Kinase 2 Regulates Actin Related Protein 2/3 Complex Activity And Invadopodia Function, Steven Michael Markwell
Cortactin Phosphorylation By Casein Kinase 2 Regulates Actin Related Protein 2/3 Complex Activity And Invadopodia Function, Steven Michael Markwell
Graduate Theses, Dissertations, and Problem Reports
Malregulation of the actin cytoskeleton enhances tumor cell motility and invasion. The actin-binding protein cortactin facilitates branched actin network formation through activation of the actin-related protein (Arp) 2/3 complex. Arp2/3 complex activation is responsible for driving increased migration and extracellular matrix (ECM) degradation by governing invadopodia formation and activity. While cortactin-mediated activation of Arp2/3 complex and invadopodia regulation has been well established, signaling pathways responsible for governing cortactin binding to Arp2/3 are unknown. In this dissertation we identify casein kinase (CK) 2α phosphorylation of cortactin as a negative regulator of Arp2/3 binding. CK2α directly phosphorylates cortactin at a conserved threonine …
Arl2bp, A Novel Ciliopathy Protein, Is Required For Cilia Microtubule Formation, Abigail Ruth Moye
Arl2bp, A Novel Ciliopathy Protein, Is Required For Cilia Microtubule Formation, Abigail Ruth Moye
Graduate Theses, Dissertations, and Problem Reports
Cilia are specialized organelles essential for cellular function. Not surprisingly, mutations in cilia- related genes are linked to multi-syndromic diseases termed ciliopathies. These include blinding diseases such as retinitis pigmentosa (RP). One such novel gene is ARL2BP (ARL2-binding protein) and is linked to RP and situs inversus (organ reversal) in humans, a phenotype produced by defects in the nodal cilia of developing embryos. Defects in photoreceptor cilia, as well as situs inversus in human patients, suggest that ARL2BP plays an invaluable role in the structure and function of cilia. However little is known about the role for this protein in …