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[Endocrine function of the cardiovascular system]
1II. interní klinika 1. LF UK, Praha.
Insights
The cardiovascular system acts as an endocrine organ, producing humoral substances that regulate systemic and local functions. These cardiovascular substances are crucial for maintaining physiological balance and influencing disease development.
Area of Science:
- Cardiovascular Endocrinology
- Vascular Biology
- Physiology
Background:
- The cardiovascular system performs crucial endocrine functions beyond its hemodynamic role.
- It synthesizes and releases various humoral substances with systemic and local effects.
Purpose of the Study:
- To highlight the endocrine functions of the cardiovascular system.
- To discuss the roles of locally and systemically acting cardiovascular substances.
Main Methods:
- Review of existing literature on cardiovascular endocrine functions.
- Analysis of humoral substances produced by the heart and vascular wall.
Main Results:
- Cardiovascular substances include atrial natriuretic factor, endothelin, and prostaglandins.
- These substances exert autocrine, paracrine, and endocrine effects.
- They significantly influence hemodynamics, homeostasis, cardiac and vascular remodeling, thrombogenesis, and atherogenesis.
Conclusions:
- The cardiovascular system plays a vital endocrine role in regulating physiological processes.
- Cardiovascular substances are key participants in both normal bodily functions and pathological conditions.
Abstract:
The cardiovascular system has in addition to it haemodynamic role also an important endocrine function. It produces a number of humoral substances which are either released into the circulation and exert a systemic endocrine effect (e.g. the atrial natriuretic factor from the atria) or act at the site of their genesis. This autocrine or paracrine action is typical above all for substances formed in the endothelium and vascular wall (endothelin, endothelium-derived relaxation factor, prostaglandins, prostacyclines, renin-angiotensin cascade etc.). Cardiovascular substances influence by their action markedly the general and organ haemodynamics, the volume and pressure homeostasis the development and regression, of cardiac hypertrophy and vascular walls, as well as thrombogenesis and atherogenesis. They participate thus in a significant way in physiological regulations and pathological processes in the organism.