Dissertations / Theses on the topic 'Neurodegenerative disease'
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Biro, Andrew J. "Specific aspects of neurodegenerative disease." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/28919.
Full textMedicine, Faculty of
Anesthesiology, Pharmacology and Therapeutics, Department of
Graduate
Sleven, Hannah. "Models of neurodegenerative mitochondrial disease." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598048.
Full textRadakovic, Ratko. "Multidimensional apathy in neurodegenerative disease." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/25959.
Full textDury, R. J. "Understanding haemodynamics in neurodegenerative disease." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/50380/.
Full textVadnal, Jonathan. "Epigenetic Mechanisms in Neurodegenerative Disease." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1353955013.
Full textGu, Mei. "Mitochondrial function in Parkinson's disease and other neurodegenerative diseases." Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322371.
Full textFranco, Iborra Sandra. "Mitochondrial quality control in neurodegenerative diseases: focus on Parkinson’s disease and Huntington’s disease." Doctoral thesis, Universitat Autònoma de Barcelona, 2018. http://hdl.handle.net/10803/565668.
Full textIn the past years, several important advances have expanded our understanding of the pathways that lead to cell dysfunction and death in Parkinson’s disease (PD) and Huntington’s disease (HD). Both diseases are movement disorders characterized by the loss of a specific subset of neurons within the basal ganglia, dopaminergic neurons in the substantia nigra pars compacta (SNpc), in the case of PD, and medium spiny neurons in the striatum, in the case of HD,. Despite distinct clinical and pathological features, these two neurodegenerative disorders share critical underlying pathogenic mechanisms such as the presence of misfolded and/or aggregated proteins, oxidative stress and mitochondrial anomalies. Mitochondria are the prime energy source in most eukaryotic cells, but these highly dynamic organelles are also involved in a multitude of cellular events. Disruption of mitochondrial homeostasis and the subsequent mitochondrial dysfunction plays a key role in the pathophysiology of neurodegenerative diseases. Therefore, maintenance of mitochondrial integrity through different surveillance mechanisms is critical for neuronal survival. In this thesis I have studied in depth some mitochondrial quality control mechanisms in the context of PD and HD, in order to broaden the knowledge about the pathomechanisms leading to cell death. In the first chapter I have studied mitochondrial protein import in in vitro and in vivo models of PD. In vitro, complex I inhibition, a characteristic pathological hallmark in PD, impaired mitochondrial protein import. This was associated with OXPHOS protein downregulation, accumulation of aggregated proteins inside mitochondria and downregulation of mitochondrial chaperones. Therefore, we aimed to reestablish the mitochondrial protein import by overexpressing two key components of the system: translocase of the outer membrane 20 (TOM20) and translocase of the inner membrane 23 (TIM23). Overexpression of TOM20 and TIM23 in vitro restored protein import into mitochondria and ameliorated mitochondrial dysfunction and cell death. Complex I inhibition also impaired mitochondrial protein import and led to dopaminergic neurodegeneration in vivo. Overexpression of TIM23 partially rescued protein import into mitochondria and slightly protected dopaminergic neurons in the SNpc. On the contrary, TOM20 overexpression did not rescue protein import into mitochondria and exacerbated neurodegeneration in both SNpc and striatum. These results highlight mitochondrial protein import dysfunction and the distinct role of two of their components in the pathogenesis of PD and suggest the need for future studies to target other elements in the system. In the second chapter, I have studied the role of huntingtin in mitophagy and how the polyglutamine expansion present in mutant huntingtin can affect its function. For such, I worked with differentiated striatal ST-Q7 (as control) and ST-Q111 (as mutant) cells, expressing full length huntingtin. In these conditions, induced mitophagy was not mediated by Parkin recruitment into depolarized mitochondria. Mutant huntingtin impaired induced mitophagy by altering wildtype huntingtin scaffolding activity at different steps of mitophagy process: (i) ULK1 activation through its release from the mTORC1, (ii) Beclin1-Vps15 complex formation, (iii) interaction of the mitophagy adapters OPTN and NDP52 with huntingtin and (iv) with LC3. As a result, mitochondria from ST-Q111 cells exhibited increased damage and altered mitochondrial respiration. These results uncover impaired mitophagy as a potential pathological mechanism linked with HD. In conclusion, we have discovered new mitochondrial targets for PD and HD emphasizing the important role that mitochondrial quality control plays in neurodegeneration
Ryan, Philip. "An Investigation Into Novel Molecular Strategies Targeting Neurodegenerative Diseases." Thesis, Griffith University, 2020. http://hdl.handle.net/10072/395102.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Pharmacy and Pharmac
Griffith Health
Full Text
Blundell, James Michael. "Cognitive assessment of paediatric neurodegenerative disease." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6042/.
Full textSTOCCORO, ANDREA. "Mitoepigenetics investigations in neurodegenerative diseases." Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1072183.
Full textWiberg, Henning. "Analytical Approaches to Neurodegenerative Disease Protein Aggregation." Licentiate thesis, KTH, Analytisk kemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34027.
Full textGuest, William Clay. "Template-directed protein misfolding in neurodegenerative disease." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/41990.
Full textYates, Alexandra Caroline. "Stress-activated protein kinases and neurodegenerative disease." Thesis, King's College London (University of London), 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287325.
Full textPATERGNANI, Simone. "Mitochondrial dysfunctions in cancer and neurodegenerative disease." Doctoral thesis, Università degli studi di Ferrara, 2013. http://hdl.handle.net/11392/2388846.
Full textSassi, Mohammed M. "Apolipoprotein-E genotype in major neurodegenerative diseases." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339716.
Full textChandrasekaran, Sreedevi. "A Network View on Neurodegenerative Disorders." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/3083.
Full textLast, Victoria. "A role for phospholipase A2 in neurodegenerative disease." Thesis, Royal Veterinary College (University of London), 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.558969.
Full textHesse, William R. (William Reichard). "Quantitative analysis of proteotoxicity associated with neurodegenerative disease." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112510.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 125-147).
Neurodegenerative diseases are a costly burden, both economically and in terms of human suffering. A common feature of neurodegenerative diseases is that they stem from problems with protein folding, but the underlying biology that leads to neuron death is not well understood. Due to this lack of mechanistic information there are currently no therapeutics that treat underlying mechanisms that lead to cell loss. This thesis explores the link between complications in protein folding and cell death. In the first part of this thesis, I combined modeling of the proteotoxicity of polyglutamine (as exemplified in Huntington's Disease) in Saccharomyces cerevisiae with microfluidics and automated microscopy. From these studies, I have found that glutamine-rich proteins suppress the toxicity of poly-glutamine expanded Huntingtin by physically interacting and sequestering the protein at the IPOD (insoluble protein deposit) quality control compartment. These studies have provided new insight into possible therapeutic strategies and how the proteomes of different cell types may protect or sensitize sells to specific proteotoxic stresses. In the second part of this thesis, I quantitatively and systematically studied the toxicity of a-synuclein, which is implicated in the synucleinopathy family of diseases, including Parkinson's Disease. To systematically study the effect of toxic levels of a-synuclein expression on cellular homeostasis, I constructed a library of fluorescent reporters and utilized automated, high-throughput microscopy to image changes in reporter localization and abundance in response to a-synuclein toxicity. The results from this study have illuminated a number of pathways that were not previously studied for a-synuclein toxicity and have tied together disparate findings from many other studies. Additionally, I have shown that our experimental strategy is generalizable and can be applied other yeast models of neurodegenerative toxicity, such as poly-glutamine and AO 1-42. In summary, the quantitative studies presented in this thesis have expanded our understanding of the mechanisms underlying a variety of toxicities related to neurodegeneration. The biological insights gained from these studies have helped illuminate new areas of inquiry that may be used to combat these diseases.
by William R. Hesse.
Ph. D.
Mok, K. Y. B. "Genetics of neurodegenerative disease : a genome-wide approach." Thesis, University College London (University of London), 2013. http://discovery.ucl.ac.uk/1398391/.
Full textMroczkowska, Stephanie. "Ocular and systemic vascular dysfunction in neurodegenerative disease." Thesis, Aston University, 2012. http://publications.aston.ac.uk/16525/.
Full textKeller, Margaux Finn. "HERITABILITY AND SEX-EFFECT ANALYSES OF NEURODEGENERATIVE DISEASE." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/288134.
Full textPh.D.
This work analyzes the genetic basis of three neurodegenerative diseases using several thousands of individuals of European descent to determine a range of phenotypic heritability outside of what has been identified by prior methods. By measuring additive genetic variance genome-wide, measures of its contribution to the phenotypic variance of these diseases were substantially increased, in some instances by a factor of 10 or more. Additionally, regional-mapping methods identified segments of the genome exhibiting significantly high heritability estimates associated with one of the neurodegenerative diseases, Amyotrophic lateral sclerosis. This resulted in the detection of novel candidate regions and provided conclusive evidence for the polygenic architecture of this disease. Lastly, novel risk variants associated with Parkinson's disease were identified on the X chromosome, a previously ignored genomic region. Overall, the employment of new analytic methods produced robust and novel results, adding substantial information to the neurodegenerative disease literature and connecting the anthropological perspective with growing informatics-based methods.
Temple University--Theses
Hosp, Fabian. "A quantitative interaction screen for neurodegenerative disease proteins." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2013. http://dx.doi.org/10.18452/16669.
Full textThe first part of the present thesis describes the establishment of a quantitative protein-protein interaction (PPI) screen with a focus on proteins involved in four common neurodegenerative diseases (NDDs): Alzheimer’s disease (AD), Parkinson’s disease (PD), Huntington’s disease (HD) and spinocerebellar ataxia type 1 (SCA1). The interaction screen combines stable-isotope labeling by amino acids in cell culture (SILAC) with protein affinity purification and high-resolution mass spectrometry. This approach aims to systematically identify and quantify interaction partners of normal and known disease-associated variants of proteins involved in NDDs. Moreover, the quantitative interaction screen was employed to study how PPIs are affected by disease-associated mutations. Along with validation of possible off-target effects and comparison of the data with literature-reported PPIs, a subset of identified interactors was validated by additional co-immunoprecipitation experiments in two different cell lines. Utilizing Drosophila models for SCA1 in combination with RNAi-mediated silencing of identified interactors, a large fraction of candidates was observed to also affect neurodegeneration in vivo. In addition, AD-specific PPI data was mapped to patient cohort data obtained from genome-wide associations studies. Notably, single-nucleotide polymorphisms in the genes of interactors of the disease-associated protein variants were more likely associated with susceptibility to AD than randomly selected genes. Finally, functional follow-ups for two selected interaction partners provided evidence for a yet unreported role of N-linked glycosylation in AD, and a novel link to mitochondrial dysfunction in AD by means of the RNA-binding protein LRPPRC.
Pruccoli, Letizia <1989>. "Neuroprotective effects of coumarins in neurodegenerative disease models." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amsdottorato.unibo.it/8975/1/Pruccoli_Letizia_tesi.pdf.
Full textNourse, Jamie. "An Examination into the Molecular Associations Between Cholesterol Homeostasis and the Neurodegenerative Disease Ataxia telangiectasia." Thesis, Griffith University, 2008. http://hdl.handle.net/10072/365866.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Biomolecular and Physical Sciences
Science, Environment, Engineering and Technology
Full Text
Messmer, Kirsten. "Studies relating to inflammatory neurotoxicity in neurodegenerative diseases." Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340182.
Full textHansson, Sara. "Proteomic strategies for analysis of cerebrospinal fluid in neurodegenerative disorders /." Göteborg : Institute of Neuroscience and Physiology, Dept. of Psychiatry and Neurochemistry at Sahlgrenska Academy University of Gothenburgh, 2008. http://hdl.handle.net/2077/9904.
Full textVincenti, James Edward. "Role of activation of microglia in neurodegenerative prion disease." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/15928.
Full textWang, Wenjia. "Item Response Theory in the Neurodegenerative Disease Data Analysis." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0624/document.
Full textNeurodegenerative diseases, such as Alzheimer’s disease (AD) and Charcot Marie Tooth (CMT), are complex diseases. Their pathological mechanisms are still not well understood, and the progress in the research and development of new potential disease-modifying therapies is slow. Categorical data like rating scales and Genome-Wide Association Studies (GWAS) data are widely utilized in the neurodegenerative diseases in the diagnosis, prediction and progression monitor. It is important to understand and interpret these data correctly if we want to improve the disease research. The purpose of this thesis is to use the modern psychometric Item Response Theory to analyze these categorical data for better understanding the neurodegenerative diseases and facilitating the corresponding drug research. First, we applied the Rasch analysis in order to assess the validity of the Charcot-Marie-Tooth Neuropathy Score (CMTNS), a main endpoint for the CMT disease clinical trials. We then adapted the Rasch model to the analysis of genetic associations and used to identify genes associated with Alzheimer’s disease by summarizing the categorical genotypes of several genetic markers such as Single Nucleotide Polymorphisms (SNPs) into one genetic score. Finally, to select sensitive items in the most used psychometrical tests for Alzheimer’s disease, we calculated the mutual information based on the item response model to evaluate the sensitivity of each item on the ADAS-cog scale
Workman, Victoria. "Microfluidic encapsulation of cells for transplantation in neurodegenerative disease." Thesis, Cardiff University, 2009. http://orca.cf.ac.uk/55884/.
Full textWitter, Daniel Philip. "Aspects of cholesterol homeostasis : Biochemical role in neurodegenerative disease." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531800.
Full textCharriez, Christina Margaret. "ALPHA7 NICOTINIC ACETYLCHOLINE RECEPTOR REGULATION IN EXPERIMENTAL NEURODEGENERATIVE DISEASE." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/19.
Full textDavison, James Edward. "Multimodal magnetic resonance investigation of childhood metabolic neurodegenerative disease." Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3612/.
Full textDyson, Sean Christopher. "Novel strategies for neurotrophic factor delivery in neurodegenerative disease." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608085.
Full textVigbedor, Maa Ohui Shormeh. "Structure and regulation of G-substrate in neurodegenerative disease." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8292.
Full textWhiteman, Ineka T. "Cytoskeletal proteins and early neurodegenerative mechanisms in Alzheimer's disease." Thesis, The University of Sydney, 2011. https://hdl.handle.net/2123/28860.
Full textGrinbergs-Saull, Anna. "Patient representation and the research agenda in neurodegenerative disease." Thesis, University of Brighton, 2015. https://research.brighton.ac.uk/en/studentTheses/ab40bfb3-ce1a-4b42-9fbc-479034321619.
Full textTurnquist, Casmir. "The role of p53 and ASPP2 in neurodegenerative disease." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:e7d4cdfb-9ebe-4716-b3ca-d50b4b278d1a.
Full textCATANIA, ALESSIA. "Characterization of disease genes and mechanisms causing neurodegenerative phenotypes." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241335.
Full textThe work I carried out during my PhD studies has been aimed to identify and characterize disease genes associated with rare neurological disorders. In particular I worked on phenotypic and molecular characterization of two patients with an atypical neuroaxonal dystrophy presentation, in which a homozygous mutation within the TFG gene has been identified by mean of WES (whole exome sequencing) technology. Besides, I also studied three unrelated families with individuals affected by Leigh syndrome and carrying the same biallelic mutations in the NDUFAF6 gene. The identification of a novel intronic variant has been integrated with its functional validation through mRNA analysis. I also described two cases with complex clinical neurodegenerative phenotypes. Phenotypic characterization has been integrated the identification of two novel mutations in already reported disease genes, respectively DNMT1 and OTX2. In the patient with OTX2 mutation, molecular and clinical presentation remains not entirely explained by a single gene mutation and additional possible genetic modifiers were found. This case represents an example of how detailed collection of clinical data and family history in parallel to NGS data analysis is often helpful in order to identify composite genotypes sometimes associated with complicated inherited syndromes. Additionally, as a partner of the European international network for mitochondrial disorders, I was also involved in the GENOMIT project; within this framework, I dedicated the last few months of my PhD to investigate the feasibility of a promising xenotopic genetic therapy for Leigh syndrome and other neurological conditions associated with mitochondrial complex I deficiency, using engineered patient fibroblasts as a cellular model of disease.
Rittman, Timothy. "Connectivity biomarkers in neurodegenerative tauopathies." Thesis, University of Cambridge, 2015. https://www.repository.cam.ac.uk/handle/1810/248866.
Full textBerliocchi, Laura. "Neurodegeneration induced by clostridial neurotoxins in cerebellar granule neurons a novel in vitro model for neurodegenerative disease /." [S.l.] : [s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=961250100.
Full textBerliocchi, Laura. "Neurodegeneration induced by clostridial neurtoxins in cerebellar granule neurons : a novel in vitro model for neurodegenerative disease /." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9038454.
Full textMoualla, Dima. "The role of alpha synuclein in Parkinson's disease." Thesis, University of Bath, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555747.
Full textVial, Marie-Laure. "Chemical Biology of Natural Products on Parkinson’s Disease." Thesis, Griffith University, 2016. http://hdl.handle.net/10072/367722.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Natural Resources
Science, Environment, Engineering and Technology
Full Text
Delic, Vedad. "Strategies for Preventing Age and Neurodegenerative Disease-associated Mitochondrial Dysfunction." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5676.
Full textLayfield, Robert. "Human ubiquitin pathway enzymes in normal and neurodegenerative disease brains." Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241144.
Full textZávodszky, Eszter. "The role of novel neurodegenerative disease genes in autophagy regulation." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708679.
Full textHu, Di. "Targeting mitochondria as a potential therapeutic strategy in neurodegenerative disease." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1559999737544078.
Full textRuss, Jenny. "Systematic interaction mapping reveals novel modifiers of neurodegenerative disease processes." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2012. http://dx.doi.org/10.18452/16631.
Full textNeurodegenerative diseases (NDs) such as Alzheimer’s disease (AD), Parkinson’s disease (PD) or amyotrophic lateral sclerosis (ALS) are progressive brain disorders characterized by the accumulation of insoluble protein aggregates in neuronal cells or the extracellular space of patient brains. To elucidate potential common pathological mechanisms in different NDs, I created comprehensive interaction networks for various known and predicted neurodegenerative disease proteins (NDPs). I identified 18,663 protein-protein interactions (PPIs) for 449 bioinformatically selected wild-type target proteins and 22 mutant variants of 11 known NDPs by using an automated yeast two-hybrid (Y2H) system. The functional analysis of the interaction partners of corresponding wild-type and mutant NDPs revealed strong differences in the case of all 11 NDPs and especially for the ALS protein TDP-43. The identified PPIs were used to generate networks for individual NDs such as AD or PD and to identify proteins that are connected to multiple NDPs. For example, I found that five neurodegenerative diseases are connected by four proteins (APP, ZMAT2, ZNF179 and IQSEC1) that link known NDPs such as huntingtin, TDP-43, parkin, ataxin-1 and SOD1. Analysis of publicly available gene expression data suggested that the mRNA expression of the four proteins is abnormally altered in brains of ND patients. Moreover, the knock-down of IQSEC1, ZNF179 or ZMAT2 aggravates pathogenic disease mechanisms such as aggregation of mutant huntingtin or TDP-43 as well as hyperphosphorylation of tau. Additionally, I identified 22 modifiers of TDP-43 aggregation, which are members in 7 protein complexes. These complexes were predicted based on combined data from PPI as well as siRNA screenings. Finally, I found that the proteins HDAC1, pRB, HP1, BRG1 and c-MYC, which form one of the predicted complexes, influence TDP-43 aggregation by altering its mRNA expression.
Baxendale, Sarah. "Molecular analysis of the Huntingdon's disease gene region in man and pufferfish." Thesis, Open University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282510.
Full textCummings, Sarah. "Investigating Oligodendrocyte Biology and Function: Insights from Neurological and Neuromuscular Diseases." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41489.
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