Modulatory Role of Nitric Oxide/cGMP System in Endothelin-1-Induced Signaling Responses in Vascular Smooth Muscle Cells
2010

How Nitric Oxide Affects Vascular Smooth Muscle Cells

publication Evidence: moderate

Author Information

Author(s): Kapakos Georgia, Bouallegue Ali, Daou Grace, Srivastava Ashok K

Primary Institution: Montreal Diabetes Research Centre, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM)

Hypothesis

The review aims to highlight the effect of the nitric oxide system on the key signaling pathways induced by endothelin-1 that are linked to hypertrophy and proliferation of vascular smooth muscle cells.

Conclusion

Nitric oxide is a vasculoprotective agent that can inhibit the hypertrophic and hyperproliferative responses in vascular smooth muscle cells induced by endothelin-1.

Supporting Evidence

  • NO counteracts the vasoconstrictor effect of endothelin-1 in normal human arteries.
  • Blockade of NO production results in hypertension.
  • NO donors have been shown to inhibit neointima formation and VSMC proliferation in animal models.

Takeaway

Nitric oxide helps keep blood vessels healthy by stopping cells from growing too much when they shouldn't, especially in response to a substance called endothelin-1.

Methodology

This is a review article summarizing key studies on the effects of nitric oxide on signaling pathways in vascular smooth muscle cells.

Limitations

The precise molecular events that trigger the effects of nitric oxide on endothelin-1-induced signaling remain poorly understood.

Digital Object Identifier (DOI)

10.2174/157340310793566055

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