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Current Drug Targets - Cardiovascular & Hematological Disorders

Eiditor-in-Chief

ISSN (Print): 1568-0061
ISSN (Online): 1568-0061

Collagen Cross-link Breakers:A Beginning of a New Era in the Treatment of Cardiovascular Changes Associated with Aging,Diabetes,and Hypertension

Author(s): Dinko Susic, Jasmina Varagic, Jwari Ahn and Edward D. Frohlich

Volume 4 , Issue 1 , 2004

Page: [97 - 101] Pages: 5

DOI: 10.2174/1568006043481347

Price: $58

Abstract

Aging,diabetes,and hypertension are conditions in which arterial and myocardial stiffness is increased.Increased arterial stiffness is manifested by an increased systolic arterial pressure,pulse pressure and pulse wave velocity,whereas increased myocardial stiffness is manifested by impaired left ventricular diastolic filling.Moreover,increased arterial stiffness increases cardiac workload,further aggravating already existing adverse changes in left ventricular structure and function.Indeed,studies in human beings have clearly shown that increased cardiovascular stiffness is a reliable predictor of cardiovascular morbidity and mortality. Increased cardiovascular stiffness is usually attributed to the development of fibrosis (i.e.,accumulation of collagen).It has also been recognized that the increased cardiac and vascular stiffness may be due to increased collagen cross-linking due to the formation of advanced glycosylation end-products (AGEs).In agreement with this notion is the finding that an inhibitor of AGEs formation improves vascular stiffness in diabetic rats.More recently,cross-link breakers have been developed,and the beneficial effects of one such agent (ALT-711)have been shown in experimental and clinical settings.This report briefly summarizes age related changes in cardiovascular structure and function and describes results of experimental and clinical studies involving collagen cross-link breakers.

Keywords: hypertension, cardiovascular, vascular stiffness, glycosylation, diastolic


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