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Rosuvastatin beneficially alters the glomerular structure of kidneys from spontaneously hypertensive rats (SHRs).

Abstract：

:The incidence of chronic renal diseases is increasing worldwide, and there is a great need to identify therapies capable of arresting or reducing disease progression. The current treatment of chronic nephropathies is limited to angiotensin-converting enzyme inhibitors and angiotensin receptor blockers, but increasing clinical and experimental evidence suggests that statins could play a therapeutic role. Ultrastructural studies have shown the presence of gap junctions within all the cells of the glomerulus and podocytes have been found to contain primarily connexin-43. The present study aims to observe the beneficial effects of rosuvastatin on structural and ultrastructural renal morphology and on glomerular connexin-43 expression in normotensive rats and spontaneously hypertensive rats (SHR). Rats were randomly allocated into four groups: WKY-C: normotensive animals no receiving rosuvastatin; WKY-ROS: normotensive animals receiving rosuvastatin; SHR-C: hypertensive animals no receiving rosuvastatin; SHR-ROS: hypertensive animals receiving rosuvastatin. Our results show no differences in blood urea, creatinine, uric acid and creatine phosphokinase levels between the groups, however, there was an decreasing of 24-h protein excretion in SHR-ROS. Capsular area in SHR-ROS was decreased, however, there was no alteration in urinary space. By transmission electron microscopy the slit diaphragm and podocyte foot processes were more preserved in SHR-ROS. By scanning electron microscopy the podocyte foot processes were more preserved in SHR-ROS. Increased connexin-43 immunofluorescence was observed in glomeruli of WKY-ROS and SHR-ROS. In conclusion, we hypothesize that renal pleiotropic effect of rosuvastatin can be a therapeutic tool for improving kidney ultrastructure and, consequently, renal function in hypertensive individuals.

journal_name

J Mol Histol

journal_title

Journal of molecular histology

authors

de Barros EP,Garcia-Pinto AB,Machado PY,dos Santos Pereira MJ,de Carvalho JJ

doi

10.1007/s10735-011-9336-4

subject

Has Abstract

pub_date

2011-08-01 00:00:00

pages

323-31

issue

4

eissn

1567-2379

issn

1567-2387

journal_volume

42

pub_type

杂志文章

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