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The vasoactive peptidergic system
1Istituto di Clinica Medica Generale e Terapia Medica L. Condorelli, Università degli Studi di Catania.
Annali Italiani Di Medicina Interna : Organo Ufficiale Della Societa Italiana Di Medicina Interna
|April 1, 1994
Summary
A hypothetical peptidergic system influences local vasomotion and modulates circulation. This system, involving various peptide families, shows involvement in tissue ischemia, particularly in the heart and brain.
Area of Science:
- Molecular biology
- Physiology
- Cardiovascular research
Background:
- Emerging evidence suggests a hypothetical peptidergic system for local control of vasomotion.
- This system appears to modulate established circulatory homeostasis systems like the adrenergic and renin-angiotensin systems.
- The full physiology of this peptidergic system remains incompletely understood.
Purpose of the Study:
- To explore the role of a hypothetical peptidergic system in local vasomotion control.
- To investigate the involvement of this system in pathophysiological conditions such as tissue ischemia.
- To synthesize current understanding of peptides regulating vascular function.
Main Methods:
- Review of molecular biology studies.
- Analysis of human and animal models of tissue ischemia (myocardium, brain).
- Investigation of peptide families including endothelins, natriuretic peptides, peptides Y, calcitonin gene-related peptides, tachykinins, and tissue angiotensins.
Main Results:
- Suggestive evidence supports the existence and function of a perivascular peptidergic system.
- This system plays a role in the local control of vasomotion.
- Involvement in pathophysiological conditions like myocardial and cerebral ischemia is indicated.
Conclusions:
- The peptidergic system is a significant, albeit not fully understood, regulator of local vascular tone.
- Further research is needed to elucidate the complete physiological and pathophysiological roles of this system.
- This system represents a potential target for understanding and treating circulatory disorders.