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Nitric Oxide Synthase in Spontaneously Hypertensive Rats
Journal of Biomedical Science
|January 1, 1997
Summary
Endothelium-derived relaxing factor (EDRF), now known as nitric oxide (NO), plays a vital role in the cardiovascular system. Once viewed as a toxic pollutant, NO is now recognized as a fundamental biological molecule essential for bodily functions.
Area of Science:
- Cardiovascular Physiology
- Biochemistry
Background:
- Endothelium-derived relaxing factor (EDRF) was discovered in 1980.
- EDRF is chemically equivalent to nitric oxide (NO).
- NO was previously known as an environmental pollutant and toxic substance.
Purpose of the Study:
- To highlight the crucial role of EDRF/NO in the cardiovascular system.
- To illustrate the shift in understanding NO from a toxic pollutant to a vital biological molecule.
Main Methods:
- Review of scientific literature and historical data.
- Analysis of evidence converging over the past decade.
Main Results:
- EDRF plays a central role in cardiovascular regulation.
- Diverse evidence confirms NO's fundamental biological functions.
- NO is essential for everyday bodily functions, contrary to previous perceptions.
Conclusions:
- Nitric oxide (NO) is a critical endogenous signaling molecule.
- The perception of NO has evolved from a toxin to a key physiological mediator.
- NO's multifaceted roles underscore its importance in human physiology.