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Updated: Feb 24, 2026

Cell Membrane Repair Assay Using a Two-photon Laser Microscope
Published on: January 2, 2018
The LDL pathway regulates actomyosin ring dynamics necessary for optimal cell wound repair
Geethika Burugupally1, Mitsutoshi Nakamura1, Cassandra Aarrestad1
1Basic Sciences Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
None:
Individual cells must rapidly repair any cortical damage from environmental or physiological stresses, to survive and to contribute to maintaining the proper function of tissues and organs. The formation of an actomyosin ring around the wound periphery is an important step in physically closing the cell wound. Here, we find that the Low-Density Lipoprotein (LDL) pathway, which is usually associated with plasma membrane homeostasis, is needed for optimal cell wound repair. In this context, the LDL pathway is required for robust actomyosin ring formation, revealing an unexpected role in regulating actin dynamics during cell wound repair.
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