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Dominican University of California
Natural Sciences and Mathematics | Biological Sciences Master's Theses
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Modulating Matrix Metalloproteases And Inflammation In Huntington’S Disease, Alejandro Lopez Ramirez
Modulating Matrix Metalloproteases And Inflammation In Huntington’S Disease, Alejandro Lopez Ramirez
Natural Sciences and Mathematics | Biological Sciences Master's Theses
Huntington’s disease (HD) is a rare and incurable autosomal neurodegenerative disease affecting 1-10 in every 100,000 people in the world. There is no cure for HD and treatments available alleviate certain symptoms for short periods of time. Evidence suggests that neuropathology of HD begins with the proteolysis of the mutated Huntingtin (mHTT) protein. A variety of proteases, like the matrix metalloproteases, cleave mHTT creating proteinaceous fragments that are thought to be neurotoxic. As these fragments increase in the brain, the damage to neurons also increases, leading to chronic inflammation due to hyper reactive microglia and astrocytes attempting to minimize and …
Neuroprotection Against Alzheimer’S And Lifespan Extension Induced By Dietary Restriction Are Associated With Metabolomic Changes And Depend On Oxidative Resistance Protein 1 (Oxr1), George W. Brownridge Iii
Neuroprotection Against Alzheimer’S And Lifespan Extension Induced By Dietary Restriction Are Associated With Metabolomic Changes And Depend On Oxidative Resistance Protein 1 (Oxr1), George W. Brownridge Iii
Natural Sciences and Mathematics | Biological Sciences Master's Theses
Dietary restriction (DR) has been demonstrated to be a robust means of extending the healthspan and lifespan, along with improving cognitive performance in various model organisms from yeast to primates, possibly by mediating neuroprotection. We utilized the Drosophila melanogaster model organism to better understand the molecular pathways that enable DR-induced benefits. By performing a genome-wide associated screening of the Drosophila Genetic Reference Panel (DGRP) that catalogues all natural genetic variants, we discovered that Oxidative resistance protein 1 (OXR1) showed the most significant difference in expression between DR and the inverse intervention of ad libitum (AL). Our research found that OXR1 …
Elucidating The Effects Of Glucose Toxicity On Tauopathy And Aging, Lukas Fluitt
Elucidating The Effects Of Glucose Toxicity On Tauopathy And Aging, Lukas Fluitt
Natural Sciences and Mathematics | Biological Sciences Master's Theses
Diabetes patients are at higher risk of contracting an age-related neurodegenerative disease such as Alzheimer’s disease (AD). However, the mechanisms which link these diseases are poorly understood. We hypothesize that glucose and elevated levels of the glycolysis by product advanced glycation end-products (AGEs), may be involved. AGEs accumulate with age and are elevated in both diabetic and AD patients. Diabetes is a metabolic disorder for which consumption of sugar-rich diets is a major risk factor and is central to etiology in the vast majority of cases.
We show that transgenic C. elegans expressing wild type (WT) human tau fed a …
Determining The Link Between Advanced Glycation Endproducts (Ages), Feeding, And Metabolism, Lauren Wimer
Determining The Link Between Advanced Glycation Endproducts (Ages), Feeding, And Metabolism, Lauren Wimer
Natural Sciences and Mathematics | Biological Sciences Master's Theses
Reactive a-dicarbonyls (a-DC’s), such as methylglyoxal (MGO), are unavoidable metabolites generated during glycolysis that accumulate with age and have been linked with chronic age-related metabolic diseases such as Diabetes Mellitus. Diabetes Mellitus is generally characterized by peripheral neuropathy and sustained hyperglycemia. Chronic hyperglycemia leads to an increase in glycolysis and a downstream increase in reactive a-DC’s. The human body has a natural method of detoxifying these a-DC’s. Glycolytic cells have enzymes which can detoxify a-DC’s, but if overwhelmed, a-DC’s can accumulate and react non-enzymatically with proteins, lipids and DNA to yield a group of molecules called advanced glycation end-products (AGEs). …