Journal article

Relaxin therapy reverses large artery remodeling and improves arterial compliance in senescent spontaneously hypertensive rats

Q Xu, A Chakravorty, RAD Bathgate, AM Dart, XJ Du

Hypertension | Published : 2010

Abstract

Hypertension and aging are associated with large artery structural remodeling and stiffening, which are known to increase cardiovascular risk. Relaxin is a peptide hormone with potent antifibrotic action in multiple organs. Although relaxin is able to reduce peripheral vascular resistance and improve arterial compliance in rats, it remains unclear whether the improvement in compliance is indirectly attributed to a vasodilatory action or whether relaxin is able to reverse arterial remodeling and stiffening directly in aged hypertensive animals. Senescent spontaneously hypertensive rats (17 months old) were treated with relaxin for 2 weeks (0.5 mg/kg per day) followed by a 1-week washout perio..

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University of Melbourne Researchers