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Monitoring Brain Region-Specific Control of Protein Turnover and Concentration Using Proteomics

Regulation of metabolism is vital to health and lies at the core of many different diseases. The breakdown of metabolisms' regulation within the brain can lead to neurological disease like Alzheimer's Disease (AD). AD is known to affect brain regions responsible for memory and memory processing like the hippocampus and entorhinal cortex. The regulation of these regions' protein quality, synthesis, and degradation deviate from 'normal' or 'healthy' levels when AD is happening. It is known there is a breakdown of regulation in those regions; however, little is known about the specifics of regulation in healthy brains regions or how it changes with disease. Using the sample collection method of microsampling in combination with kinetic proteomics we investigated proteostasis control in regions known to be affected by AD relative to a control region. This provides a baseline for proteins and ontologies found in the proteomes under healthy circumstances. The regions are all the same tissue type; however, since different regions of the brain perform different functions, the metabolism and therefore the regulation of proteostasis are different. By understanding how regional brain proteomes are regulated in young healthy mice, we are prepared for comparisons against diseased tissue in future work.

Identiferoai:union.ndltd.org:BGMYU2/oai:scholarsarchive.byu.edu:etd-11165
Date15 November 2023
CreatorsBurlett, Rebecca Suzanne
PublisherBYU ScholarsArchive
Source SetsBrigham Young University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceTheses and Dissertations
Rightshttps://lib.byu.edu/about/copyright/

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