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Full-Text Articles in Molecular Biology

Interactions Of The Nlrp3 Inflammasome Complex, Nyasha Makoni Nov 2020

Interactions Of The Nlrp3 Inflammasome Complex, Nyasha Makoni

Dissertations

The innate immune system is the first line of defense in response to invasion by pathogens. One of the major pathways in the innate immune system involves a three-protein complex known as the NLRP3 inflammasome. This complex comprises of NLRP3, ASC, and procaspase-1. In response to stimuli, the inflammasome assembles to activate caspase-1 which subsequently facilitates production of interleukin-1β (IL-1β), an inflammatory cytokine. The NLRP3 inflammasome has been implicated in a variety of inflammatory disorders including Alzheimer’s disease (AD). Amyloid beta (Aβ) is the protein that causes AD and Aβ deposits in the brain activate microglia resulting in chronic inflammation. …


Structural, Biophysical, And Functional Studies Of Trem2 In Neurodegenerative Disease, Daniel L. Kober May 2017

Structural, Biophysical, And Functional Studies Of Trem2 In Neurodegenerative Disease, Daniel L. Kober

Arts & Sciences Electronic Theses and Dissertations

Alzheimer's disease (AD) and other neurodegenerative diseases present a large and growing challenge to global health. The immune system, particularly the innate immune system, is increasingly recognized as having a major role in these pathologies. The innate immune system is responsible to contain disease and promote healing. However, immune misregulation exacerbates disease. The innate immunomodulatory receptor Triggering receptor expressed on myeloid cells-2 (TREM2) is expressed on myeloid cells such as dendritic cells, macrophages, and in the brain, on microglia. TREM2 is a single-pass transmembrane receptor with an extracellular Ig domain that mediates ligand binding. This protein regulates inflammation in vitro …