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Full-Text Articles in Medicine and Health Sciences

Lysosome-Related Organelles Contain An Expansion Compartment That Mediates Delivery Of Zinc Transporters To Promote Homeostasis, Adelita D Mendoza, Nicholas Dietrich, Chieh-Hsiang Tan, Daniel Herrera, Jennysue Kasiah, Zachary Payne, Ciro Cubillas, Daniel L Schneider, Kerry Kornfeld Feb 2024

Lysosome-Related Organelles Contain An Expansion Compartment That Mediates Delivery Of Zinc Transporters To Promote Homeostasis, Adelita D Mendoza, Nicholas Dietrich, Chieh-Hsiang Tan, Daniel Herrera, Jennysue Kasiah, Zachary Payne, Ciro Cubillas, Daniel L Schneider, Kerry Kornfeld

2020-Current year OA Pubs

Zinc is an essential nutrient-it is stored during periods of excess to promote detoxification and released during periods of deficiency to sustain function. Lysosome-related organelles (LROs) are an evolutionarily conserved site of zinc storage, but mechanisms that control the directional zinc flow necessary for homeostasis are not well understood. In


Fused In Sarcoma Regulates Glutamate Signaling And Oxidative Stress Response, Chiong-Hee Wong, Abu Rahat, Howard C Chang Jan 2024

Fused In Sarcoma Regulates Glutamate Signaling And Oxidative Stress Response, Chiong-Hee Wong, Abu Rahat, Howard C Chang

Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship

Mutations in fused in sarcoma (fust-1) are linked to ALS. However, how these ALS causative mutations alter physiological processes and lead to the onset of ALS remains largely unknown. By obtaining humanized fust-1 ALS mutations via CRISPR-CAS9, we generated a C. elegans ALS model. Homozygous fust-1 ALS mutant and fust-1 deletion animals are viable in C. elegans. This allows us to better characterize the molecular mechanisms of fust-1-dependent responses. We found FUST-1 plays a role in regulating superoxide dismutase, glutamate signaling, and oxidative stress. FUST-1 suppresses SOD-1 and VGLUT/EAT-4 in the nervous system. FUST-1 also regulates synaptic AMPA-type glutamate receptor …