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Updated: Aug 15, 2026

Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells
Published on: March 16, 2017
Cytoskeletal regulation of nitric oxide synthase
Yunchao Su1, Dmitry Kondrikov, Edward R Block
1Department of Medicine, MSB M452, Box 100225, University of Florida, 1600 S.W. Archer Road, Gainesville, FL 32610, USA. ysu@ufl.edu
Abstract:
The three isoforms of nitric oxide synthase (NOS)--endothelial NOS (eNOS), inducible NOS (iNOS), and neural NOS (nNOS)--colocalize with the cytoskeleton including actin microfilaments, microtubules, and intermediate filaments directly or indirectly. These colocalizations enable optimal nitric oxide production and help NOS exert their functions. The reorganization of cytoskeletal polymerization state induced by extracellular stimuli such as shear stress, hypoxia, and drugs regulates eNOS, nNOS, and iNOS. Alterations of nitric oxide production caused by cytoskeletal reorganization play an important role in physiological and pathophysiological conditions. This review focuses on recent data regarding the regulation of NOS by the cytoskeleton at transcriptional, posttranscriptional, and posttranslational levels.
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