The inner nuclear membrane protein SUN1 regulates cullin-3 neddylation to maintain insulin signaling
Kapil K. Upadhyay, Yunshu Yang, Aren Shah, Venkatesha Basrur, Alexey I. Nesvizhskii, Graham F. Brady
This study shows that the SUN1 H118Y variant impairs CUL3 neddylation, leading to insulin resistance, and that inhibiting neddylation can restore insulin signaling.
bioRxiv · Apr 20, 2026 · PreprintPhysiology