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Mechanisms and Therapeutic Targeting of Lipid Homeostasis: From Lipid Droplets to Ferroptosis

EVENT: 
Weekly Seminar | Not Open to the Public
Who Should Attend: 
Researchers

Speakers

Doris H. Calloway Chair and Professor, Department of Molecular & Cell Biology: Division of Molecular Therapeutics
Department of Nutritional Sciences & Toxicology
University of California, Berkeley

Abstract

Dr. James Olzmann will present recent discoveries from his laboratory that advance understanding of cellular lipid homeostasis. His seminar will explore mechanisms governing lipid droplet formation and function, the oxidative lipid damage that triggers ferroptosis, and the cellular pathways that confer resistance to this form of cell death. Using genetic screening approaches, his group has identified key regulators of lipid metabolism and oxidative stress responses, revealing potential therapeutic targets. Building on these insights, his team is developing small-molecule tools and therapeutic strategies to modulate these pathways. These findings illuminate fundamental principles of lipid biology with broad implications for diseases driven by lipid dysregulation and oxidative stress.

Publications

Alyssa J Mathiowetz, Emily S Meymand, Kirandeep K Deol, Güneş Parlakgül, Mike Lange, Stephany P Pang, Melissa A Roberts, Emily F Torres, Danielle M Jorgens, Reena Zalpuri, Misun Kang, Casadora Boone, Yaohuan Zhang, David W Morgens, Emily Tso, Yingjiang Zhou, Saswata Talukdar, Tim P Levine, Gregory Ku, Ana Paula Arruda, James A Olzmann
CLCC1 promotes hepatic neutral lipid flux and nuclear pore complex assembly
bioRxiv [Preprint]. 2024 Jun 8:2024.06.07.597858. doi: 10.1101/2024.06.07.597858.
Mike Lange, Michele Wölk, Vivian Wen Li, Cody E Doubravsky, Joseph M Hendricks, Shunji Kato, Yurika Otoki, Benjamin Styler, Sean L Johnson, Cynthia A Harris, Kiyotaka Nakagawa, Isabel F Snodgrass, Dohee Kim, John W Newman, Maria Fedorova, James A Olzmann
FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis
Nat Cell Biol . 2025 Oct 29. doi: 10.1038/s41556-025-01790-y. Online ahead of print.
Sitao Zhang, Amalia H. Megarioti, Joseph M. Hendricks, Junshu Zhou, Qingxiang Sun, Da Jia, James A. Olzmann
Cocrystal structure reveals the mechanism of FSP1 inhibition by FSEN1
PNAS 122 (22) e2505197122

When

Tuesday, December 2, 2025 - 12:30pm

Where

Conference Room: 
Billings Building – Rosedale

More Information

Darlene White