ArticleNaunyn-Schmiedeberg's archives of pharmacology2026
Modulation of AMPK/SIRT1 signaling by piribedil attenuates cyclophosphamide-induced nephrotoxicity via PI3K/Akt, MAPKs, and TLR4/NLRP3 pathways with regulation of KIM-1/NGAL.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Buspirone attenuates cyclophosphamide-induced renal dysfunction in association with alterations in miR-205/EGLN2, Nrf2, and PERK/ATF4/CHOP signaling.Frontiers in pharmacology · 2026Article
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Authors and funding
10 authors.
Funding
Abstract
aimsThis study examined the renoprotective effect of Piribedil against cyclophosphamide (CP)-induced nephrotoxicity through modulation of adenosine monophosphate-activated protein kinase (AMPK)/sirtuin-1 (SIRT1), phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt), mitogen-activated protein kinases (MAPKs), and Toll-like receptor-4 (TLR4)/NOD-like receptor protein-3 (NLRP3) pathways, as well as renal injury markers kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL). MAIN
methodsMale rats were divided into four groups (n = 8). Controls received distilled water plus saline; the CP group received a single CP dose (200 mg/kg, i.p.) on day 7; Piribedil groups received 15 or 40 mg/kg/day for 10 days with CP on day 7. Renal function, oxidative stress, inflammation, and injury markers (KIM-1 and NGAL) were assessed via biochemical assays, histopathology, immunohistochemistry, and quantitative real-time PCR (qRT-PCR). KEY
findingsCP caused significant renal dysfunction, elevating blood urea nitrogen (BUN), serum creatinine (SCr), NGAL, and KIM-1, increasing oxidative stress (malondialdehyde [MDA], inducible nitric oxide synthase [iNOS]) and reducing nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), and glutathione (GSH). CP also upregulated inflammatory mediators (interleukin-1β [IL-1β], interleukin-6 [IL-6], tumor necrosis factor-α [TNF-α], nuclear factor-κB p65 [NF-κB p65]) and enhanced TLR4, NLRP3, and MAPKs, while suppressing AMPK, SIRT1, and PI3K/Akt signaling. Piribedil reversed these changes, improving renal function, lowering oxidative and inflammatory markers, and normalizing BUN, SCr, KIM-1, and NGAL. Histology confirmed reduced renal damage. SIGNIFICANCE: Piribedil effectively protects against CP-induced nephrotoxicity by modulating AMPK/SIRT1 and related oxidative and inflammatory pathways, supporting its potential use in drug-induced kidney injury.
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Registered trials
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