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Measurement of Smooth Muscle Function in the Isolated Tissue Bath-applications to Pharmacology Research
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NFAT regulation in smooth muscle
David C Hill-Eubanks1, Maria F Gomez, Andra S Stevenson
1Department of Pharmacology, University of Vermont, 89 Beaumont Avenue, Burlington, VT 05405, USA.
Trends in Cardiovascular Medicine
|February 15, 2003
Summary
Nuclear factor of activated T cells (NFAT) regulates cardiovascular cells. This review details NFAT activation mechanisms in vascular smooth muscle, focusing on calcium signaling and calcineurin-dependent pathways.
Area of Science:
- Cardiovascular Biology
- Molecular Cell Biology
- Transcription Factors
Background:
- Nuclear factor of activated T cells (NFAT) is a calcium-dependent transcription factor.
- NFAT plays roles in both immune and non-immune cells, including the cardiovascular system.
- Vascular smooth muscle presents a unique calcium-regulatory environment due to complex signaling.
Purpose of the Study:
- To review mechanisms controlling initial calcium/calcineurin-dependent NFAT activation.
- To emphasize NFAT regulation specifically within native vascular smooth muscle.
- To address additional mechanisms modulating NFAT nuclear import/export in this tissue.
Main Methods:
- Literature review focusing on calcium signaling pathways.
- Analysis of NFAT regulation in vascular smooth muscle.
- Examination of calcineurin-dependent and independent regulatory mechanisms.
Main Results:
- NFAT activation in vascular smooth muscle is initiated by Ca2+/calcineurin-dependent events.
- Diverse calcium-signaling modalities influence NFAT activity in arterial smooth muscle.
- Mechanisms modulating NFAT nuclear transport are crucial for its function in vascular tissue.
Conclusions:
- NFAT is a key regulator in vascular smooth muscle, influenced by unique local signaling.
- Understanding these regulatory mechanisms is vital for cardiovascular research.
- Further investigation into NFAT modulation could reveal therapeutic targets.
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