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Articles 1 - 10 of 10
Full-Text Articles in Nervous System Diseases
Limb Speed Perception Accuracy In Neurodegenerative Disease, Brandmeir Lynn Cheryl
Limb Speed Perception Accuracy In Neurodegenerative Disease, Brandmeir Lynn Cheryl
Graduate Theses, Dissertations, and Problem Reports
Movement is a fundamental human activity, enabling us to engage with our surroundings. Consequently, a well-operating neuromuscular system is essential for maintaining quality of life. Motion is not only integral for the basic function of daily living, but also plays a significant role in enhancing our physical, mental, and emotional health. The importance of this system becomes abundantly clear when it is compromised, such as with neurodegenerative disease.
Alzheimer’s disease (AD), followed by Parkinson’s disease (PD) are the two most common neurodegenerative diseases that profoundly affect millions of individuals worldwide (Lamptey et al., 2022). Characterized by distinct but sometimes overlapping …
The Development Of A Brain Penetrating Erythropoietin For The Treatment Of Alzheimer’S Disease, Joshua Yang
The Development Of A Brain Penetrating Erythropoietin For The Treatment Of Alzheimer’S Disease, Joshua Yang
KGI Theses and Dissertations
The development of a neurotherapeutic for the treatment of Alzheimer’s Disease (AD) is challenging due to limited endpoint efficacy. Erythropoietin (EPO), a hematopoietic neurotrophin, is a potential therapeutic for AD but has limited blood-brain barrier (BBB) permeability. A chimeric fusion protein of EPO bound to the transferrin receptor monoclonal antibody (cTfRMAb) can act as a molecular trojan horse for brain drug delivery, shuttling EPO into the brain via the transvascular route. However, cTfRMAbs have Fc-effector function adverse effects, and removal of the Fc N-linked glycosylation site by substituting Asn with Gly (cTfRMAb-N292G-EPO) reduces this Fc effector function. Hence, developing this …
Elucidating The Role Of O-Glcnacylation And Gsk3b In Alzheimer's Disease, Emily Valencia
Elucidating The Role Of O-Glcnacylation And Gsk3b In Alzheimer's Disease, Emily Valencia
Selected Honors Theses
Alzheimer’s disease (AD) is one of the most common types of neurodegenerative disease. There are currently no treatment methods for AD, but there are treatments for some of the symptoms. Aberrant levels of both O-GlcNAcylation and GSK3ß have been found in patients with AD. Studies have suggested that there is a relationship between the level of O-GlcNAcylation and the phosphorylation of GSK3ß. In order to discover new treatment methods, the phosphorylation of GSK3ß should be explored. This study uses a western blot analysis to quantify the ratio of p-GSK3ß:GSK3ß between the experimental group (higher levels of O-GlcNAcylation) and a control …
The Effect Of The Interaction Of Exercise Training And Isolation On The Serotonergic System Of App/Ps1 Mice, Bailey J. Dansby
The Effect Of The Interaction Of Exercise Training And Isolation On The Serotonergic System Of App/Ps1 Mice, Bailey J. Dansby
MSU Graduate Theses
Alzheimer’s disease (AD) is a complex neurodegenerative disease that is characterized by the deposition of amyloid beta (Ab) peptides and, consecutively, by a loss of memory and cognitive functions. The amyloid cascade hypothesis suggests that Ab deposition is the main pathogenic of AD. There is evidence that both changes in production and clearance of Ab may be involved in AD pathology. Past studies have shown that exercise training leads to an upregulation in proteins directly involved with Ab clearance. Chronic stress is thought to exacerbate AD pathology by increasing production of Ab. Studies have also demonstrated a link between serotonin …
A Role Of Vitamin B2 In Reducing Amyloid-Beta Toxicity In A Caenorhabditis Elegans Alzheimer’S Disease Model, Muhammad Tukur Ameen
A Role Of Vitamin B2 In Reducing Amyloid-Beta Toxicity In A Caenorhabditis Elegans Alzheimer’S Disease Model, Muhammad Tukur Ameen
Electronic Theses and Dissertations
Alzheimer’s disease (AD) is associated with amyloid-beta peptide deposition and loss of mitochondrial function. Using a transgenic C. elegans AD worm model expressing amyloid-beta in body wall muscle, we determined that supplementation with either of the forms of vitamin B2, flavin mononucleotide (FMN) or flavin adenine dinucleotide (FAD) protected against amyloid-beta mediated paralysis. FMN and FAD were then assayed to determine effects on ATP, oxygen consumption, and reactive oxygen species (ROS) with these compounds not significantly improving any of these mitochondrial bioenergetic functions. Knockdown of the daf-16/FOXO transcriptional regulator or the FAD synthase enzyme completely abrogated the …
Neuroinflammation In Alzheimer's Disease And Vascular Cognitive Impairment, Erica M. Weekman
Neuroinflammation In Alzheimer's Disease And Vascular Cognitive Impairment, Erica M. Weekman
Theses and Dissertations--Physiology
It was once believed that the brain was immunologically privileged with no resident or infiltrating immune cells; however, now it is understood that the cells of the brain are capable of a wide range of inflammatory processes and phenotypes. Inflammation in the brain has been implicated in several disease processes such as Alzheimer’s disease (AD) and vascular cognitive impairment and dementia (VCID); however, the role of inflammation in these two dementias is poorly understood.
When we stimulated a pro-inflammatory phenotype with an adeno-associated viral vector in a transgenic mouse model of AD that develops Aβ plaques, we saw a pro-inflammatory …
Intracellular Trafficking Governs The Processing Of The Amyloid Precursor Protein And The Secretion Of Beta-Amyloid, Joshua Hoi Ki Tam
Intracellular Trafficking Governs The Processing Of The Amyloid Precursor Protein And The Secretion Of Beta-Amyloid, Joshua Hoi Ki Tam
Electronic Thesis and Dissertation Repository
One of the hallmarks of Alzheimer’s disease (AD) is the pathological accumulation of β-amyloid (Aβ) in the brains of AD patients. Oligomeric and fibrillar aggregates of Aβ have been shown to be neurotoxic to neurons and hippocampal slices. Therefore, limiting Aβ production is an important area of research in order to delay or stop AD progression. Aβ is produced by amyloidogenic cleavage of amyloid precursor protein (APP). Amyloidogenic cleavage requires ectodomain removal by β-secretase and intramembrane γ-cleavage by γ-secretase to release Aβ products ranging from 38-43 residues. Work from our lab has shown that APP and γ-secretase are resident proteins …
Emotional Enhancement And Repetition Effects During Working Memory In Persons With Mild Cognitive Impairment, Lucas S. Broster
Emotional Enhancement And Repetition Effects During Working Memory In Persons With Mild Cognitive Impairment, Lucas S. Broster
Theses and Dissertations--Clinical and Translational Science
This dissertation introduces a framework for understanding differences in how emotional enhancement effects might influence memory in aging adults and then summarizes the findings of three studies of how repetition effects and emotional enhancement effects influence working memory in older adults without cognitive impairment (NC), older adults with amnestic mild cognitive impairment (MCI), and older adults with mild Alzheimer’s disease (AD). In these experiments, individuals with AD showed cognitive impairment in terms of accuracy and reaction time, but individuals with MCI showed milder behavioral impairment that was confined to manipulations of working memory. Individuals with AD showed relative sparing of …
Is 30 Ml Cerebrolysin A Safe And Effective Drug For Improving Global And Cognitive Function In Patients With Alzheimer's Disease Aged 50 Years And Older With No Significant Comorbidities?, Anthony Champion
PCOM Physician Assistant Studies Student Scholarship
OBJECTIVE: The objective of this selective EBM review is to determine whether or not the use of 30 mL Cerebrolysin is a safe and effective drug for improving global and cognitive function in patients with Alzheimer’s Disease aged 50 years and older with no significant comorbidities.
STUDY DESIGN: Systematic review of three randomized controlled trials published between 2001-2006, all English language.
DATA SOURCES: Three randomized controlled trials comparing the efficacy of cerebrolysin to placebo in the treatment of individuals ages 50 and over with AD related cognitive and global functioning decline. All articles found using PubMed.
OUTCOMES MEASURED …
Exploring The Structure And Biochemistry Of Oxidation-Mediated Inhibitation Of The Peptidyl-Prolyl Isomerase Pin1, Brendan T. Innes
Exploring The Structure And Biochemistry Of Oxidation-Mediated Inhibitation Of The Peptidyl-Prolyl Isomerase Pin1, Brendan T. Innes
Electronic Thesis and Dissertation Repository
Pin1 is a phosphorylation-dependent peptidyl-prolyl isomerase that has been shown to be neuroprotective in aging-related neurodegenerative diseases such as Alzheimer's disease (AD). However, it is not active in AD brain, and a recent proteomic screen of Mild Cognitive Impairment (MCI) brain samples revealed that Pin1 is oxidized in the brains of these pre-AD patients. This suggests that this oxidation may be the cause of the loss of the neuroprotective Pin1 function in AD. The Pin1 active site contains a functionally critical cysteine residue (Cys113) with a low predicted pKa, making it highly susceptible to oxidation. We hypothesize that Pin1 is …