Jia Ning
Papers
1
Total Citations
22
H-Index
1
About
Jia Ning is a structural and molecular biologist whose research centers on the molecular mechanisms of protein quality control and ubiquitin signaling. Her most cited work, a 2015 study on the Carboxy-Terminus of Hsc70-Interacting Protein (CHIP), has garnered 22 citations and provides fundamental insights into how E3-ubiquitin ligases are regulated. In this landmark study, Ning demonstrated that CHIP possesses a docking-dependent mode of activity, allowing it to ubiquitinate native, folded substrates in addition to its well-known role in chaperone-mediated degradation. This discovery revealed a sophisticated layer of regulation in the ubiquitin-proteasome system, showing that CHIP can directly control the steady-state levels of specific proteins without requiring prior chaperone binding. By elucidating how protein–protein interactions modulate CHIP’s ligase activity, Ning’s work has significant implications for understanding diseases linked to protein misfolding and accumulation, including neurodegenerative disorders. Her research continues to illuminate the intricate interplay between molecular chaperones and the ubiquitin system, establishing her as a key contributor to the field of cellular proteostasis.
Research Focus
Key Achievements
Top Papers
- 1