Abstract:
:The objective of this study was to evaluate the protective effect of recombinant human brain natriuretic peptide (rhBNP) on endotoxin-induced acute kidney injury (AKI) in canine model of septic shock and its potential mechanisms. Dogs with endotoxin-induced septic shock were subjected to intravenous infusion of saline solution or rhBNP at the concentrations of 5 μg/kg (low-dose intervention group) or 10 μg/kg (high-dose intervention group). At 0, 2, 4, 8, and 12 h, the systemic vascular resistance index (SVRI) as well as serum levels of high mobility group box 1 protein (HMGB-1) and creatinine were measured, and kidney tissue samples were taken for histological examination. We have found that low and high doses of rhBNP could significantly reduce kidney tissue damage, such as tubular epithelial swelling and atrophy, and interstitial cell swelling in response to LPS injection in the dog sepsis models. rhBNP administration significantly reduced SVRI and serum levels of creatinine in dogs with LPS-induced sepsis in a dose-dependent manner, and attenuated the rise in the circulating HMGB-1. In conclusion, these findings suggest that rhBNP may exert dose-dependent protective effect on kidney tissue with endotoxin-induced injury, and this effect may be associated with the changes in blood levels of HMGB-1. rhBNP may be considered as therapeutic agents for treating sepsis-induced AKI.
journal_name
Cell Biochem Biophysjournal_title
Cell biochemistry and biophysicsauthors
Li N,Jin HX,Song Z,Bai CZ,Cui Y,Gao Ydoi
10.1007/s12013-014-0057-7subject
Has Abstractpub_date
2014-11-01 00:00:00pages
1317-24issue
2eissn
1085-9195issn
1559-0283journal_volume
70pub_type
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