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Cited by 940

The DOI matches its Crossref record; 130 of the 130 references it cites were found in a registry or an index.

Molecular mechanisms involved in the regulation of the endothelial nitric oxide synthase

Fleming, Ingrid, Busse, Rudi·2003·American Journal of Physiology-Regulatory, Integrative and Comparative Physiology

Abstract

The endothelial nitric oxide synthase (eNOS), the expression of which is regulated by a range of transcriptional and posttranscriptional mechanisms, generates nitric oxide (NO) in response to a number of stimuli. The physiologically most important determinants for the continuous generation of NO and thus the regulation of local blood flow are fluid shear stress and pulsatile stretch. Although eNOS activity is coupled to changes in endothelial cell Ca 2+levels, an increase in Ca 2+alone is not sufficient to affect enzyme activity because the binding of calmodulin (CaM) and the flow of electrons from the reductase to the oxygenase domain of the enzyme is dependent on protein phosphorylation and dephosphorylation. Two amino acids seem to be particularly important in regulating eNOS activity and these are a serine residue in the reductase domain (Ser 1177) and a threonine residue (Thr 495) located within the CaM-binding domain. Simultaneous alterations in the phosphorylation of Ser 1177 and Thr 495 in response to a variety of stimuli are regulated by a number of kinases and phosphatases that continuously associate with and dissociate from the eNOS signaling complex. eNOS associated proteins, such as caveolin, heat shock protein 90, eNOS interacting protein, and possibly also motor proteins provide the scaffold for the formation of the protein complex as well as its intracellular localization.

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Crossref · 10.1152/ajpregu.00323.2002

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Metadata

Authors
Fleming, I., & Busse, R.
Venue
American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
Published
2003-01-01
Volume
284
Issue
1
Pages
R1-R12
ISSN
  • 0363-6119 (ISSN-L)
  • 1522-1490
OpenAlex
W2042006175
Cited by
940
References
130
FWCI
37.46
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Molecular mechanisms involved in the regulation of the endothelial nitric oxide synthase. https://app.cochat.ai/papers/10.1152/ajpregu.00323.2002
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Fleming, I., & Busse, R. (2003). Molecular mechanisms involved in the regulation of the endothelial nitric oxide synthase. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. https://doi.org/10.1152/ajpregu.00323.2002

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.