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Skip to Search Results- 2Veldhoen, Richard
- 1Akin, Oguz
- 1Alsaleh, Nasser B
- 1Breitkreutz, Dylan Y
- 1Cardoso, Miguel
- 1Di Pardo, Alba
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Spring 2016
There is ample evidence that autophagy is affected in Alzheimer’s disease (AD) but the causes, the nature of the dysfunction and the mechanisms of autophagy impairment are unclear. Autophagy depends on vesicular trafficking and membrane fusion, events that rely on several protein complexes and...
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Fall 2019
Alzheimer’s disease (AD) is characterized by the accumulation of amyloid beta (Aβ) peptide. It has been proposed that AD pathology is transmissible by a “prion-like” mechanism through extracellular vesicles (EVs) that contain Aβ. In this context, EVs describe both microvesicles and exosomes,...
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Fall 2017
Prion disease, or transmissible spongiform encephalopathy (TSE), is a type of neurodegenerative disease for which there is no treatment and which is invariably fatal. Prion diseases are distinct in the field of biology and medicine, not only because they can be sporadic, infectious, or inherited,...
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Fall 2011
Coupling supercritical CO2 extraction with membrane separation leads to energy savings by recycling CO2 at supercritical state while separating extract components. Commercially available polyamide-based membranes are commonly used with coupled systems due to their availability and robust...
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Spring 2022
Background: In metabolic disease statues, such as diabetes and obesity, dyslipidemia is characterized by a dysregulation of lipid homeostasis, due in part to elevated triglyceride (TG)-rich very low-density lipoprotein (VLDL-TG) production and secretion by the liver. Further, these metabolic...
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In-line Ozonolysis coupled to Mass Spectrometry- A New Dimension of Structural Determination for Lipids
DownloadFall 2014
The location of double bonds within unsaturated lipids can greatly affect their biological functions. Liquid chromatography coupled to mass spectrometry (LC/MS) has become a powerful tool for lipid separation and structural elucidation. However, the determination of double bond position remains...
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Inactivation of Magel2 in a mouse model of Prader-Willi Syndrome alters autophagy in the hypothalamus and impairs muscle function
DownloadFall 2016
Prader-Willi Syndrome (PWS) is a neurodevelopmental disorder causing severe neonatal hypotonia that persists until adulthood, reduced muscle mass, and hyperphagia leading to childhood-onset obesity. PWS is caused by inactivation of several genes located on chromosome 15q11-q13, including MAGEL2....
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J-Coupling Effects on Quantification of the 1.3 ppm Lipid Methylene Resonance with In-Vivo Magnetic Resonance Spectroscopy at 3 T
DownloadFall 2015
Quantification of 1.3 ppm lipid methylene protons by proton magnetic resonance spectroscopy has been shown to be relevant to a number of diseases. Additionally, T2 estimation of 1.3 ppm methylene protons has been used to grade the metastatic potential of colon tumours. J-coupling...
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Fall 2016
Lipidomics is a research field that attempts to achieve the comprehensive analysis of the entire lipidome in a biological system. The emergence and rapid expansion of lipidomic studies is driven by the great advances in chromatographic separation and mass spectrometry. For this dissertation, I...
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Spring 2013
Huntington disease (HD) is a neurodegenerative disorder characterized by motor and cognitive symptoms. In HD patients, the protein huntingtin contains an abnormal expansion of a polyglutamine tract, which leads to the selective dysfunction and death of striatal and cortical neurons. Among other...