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James Madison University

Misfolded protein stress

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The State Of The Translational Chaperone Icd-1 During Apoptosis In Caenorhabditis Elegans, Kyle Cicalese May 2018

The State Of The Translational Chaperone Icd-1 During Apoptosis In Caenorhabditis Elegans, Kyle Cicalese

Senior Honors Projects, 2010-2019

The unfolded protein response (UPR) is a signal transduction cascade that mitigates low levels of misfolded protein stress in the endoplasmic reticulum (ER) in an effort to save the affected cell, while prolonged and/or acute ER stress leads to UPR-initiated apoptosis (programmed cell death). One putative step driving apoptosis is the cleavage of chaperones, proteins tasked to help misfolded proteins refold, by caspases, proteases essential to the execution of apoptosis. We are studying the nascent polypeptide-associated complex (NAC), a heterodimeric chaperone complex essential for viability, to determine if its beta subunit is cleaved by caspases during apoptosis to prevent the …