TITLE

A specific endothelin subtype A receptor antagonist protects against injury in renal disease progression

AUTHOR(S)
Benigni, Ariela; Zoja, Carla; Corna, Daniela; Orisio, Silvia; Longaretti, Lorena; Bertani, Tullio; Remuzzi, Giuseppe
PUB. DATE
August 1993
SOURCE
Kidney International;Aug1993, Vol. 44 Issue 2, p440
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have recently reported that renal preproendothelin-1 gene is up-regulated in rats with renal mass reduction (RMR) and that time-dependent increase in urinary excretion of the corresponding peptide correlates with renal disease progression. Here we evaluated whether a specific endothelin subtype A (ETA) receptor antagonist, FR139317, reduced signs of disease activity in this model. Two groups of rats were given FR139317 or its vehicle (saline) from day 7 to day 60 after the surgical procedure. Sham-operated animals were the control group. Blood pressure, urinary protein excretion and serum creatinine were evaluated at days 0, 7 (before FR139317 or saline administration), 30, 45 and 60. At sacrifice, histological evaluation of renal tissue was performed. The results showed that ETA receptor blocker reduced the abnormal permeability to proteins, limited glomerular injury and prevented renal function deterioration thus confirming the working hypothesis. These findings suggest that this class of compounds may eventually prove useful in the treatment of human progressive nephropathies.
ACCESSION #
17967279

 

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