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Renoprotective effect of celecoxib against gentamicin-induced nephrotoxicity through suppressing NFκB and caspase-3 signaling pathways in rats.

Abstract：

:Gentamicin-induced nephrotoxicity has been well documented, although the causing mechanisms and preventative measures need further investigation. The current study aimed to explore the potential protective impacts of celecoxib, a selective cyclooxygenase-2 (COX-2) inhibitor, on gentamicin-induced nephrotoxicity and the potential mechanisms in rats. Rats were randomly divided into four groups as follows: group1: normal control, group 2: received gentamicin only (100 mg/kg intraperitoneally), group 3: concurrently received gentamicin and celecoxib (30 mg/kg, orally) and group 4: received celecoxib. Celecoxib administration decreased gentamicin-induced rise in kidney weight, renal somatic index (RSI), blood urea nitrogen (BUN), serum creatinine (Cr), protein in urine, lactate dehydrogenase (LDH), nitric oxide (NOx), meanwhile, it increased serum albumin, urine Cr level and creatinine clearance (CCr), increased the renal endogenous antioxidant status, revealed by decreased malondialdehyde (MDA) and increased superoxide dismutase (SOD) and reduced glutathione (GSH). Gentamicin-induced elevated nuclear factor kappa B-P65 subunit (NFκB-p65), tumor necrosis factor-alpha (TNF-α) and apoptotic markers (tumor suppressor protein (p53) and caspase-3) protein levels were significantly decreased upon celecoxib treatment. Moreover, celecoxib suppressed renal myeloperoxidase (MPO) activity and posed improvement of histological features. In immunohistochemistry, celecoxib-treated rats showed decreased immunoreactivity against COX-2 in tubular cells and a mild positive immunoreactivity against heat shock protein 70 (HSP70) in renal interstitial cells. These findings propose that celecoxib treatment mitigates renal dysfunction via decreasing renal inflammation, oxidative/nitrosative stress, and apoptosis.

journal_name

Chem Biol Interact

journal_title

Chemico-biological interactions

authors

Abdelrahman RS,Abdelmageed ME

doi

10.1016/j.cbi.2019.108863

subject

Has Abstract

pub_date

2020-01-05 00:00:00

pages

108863

eissn

0009-2797

issn

1872-7786

pii

S0009-2797(19)31275-X

journal_volume

315

pub_type

杂志文章

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