ArticleJournal of pathology and translational medicine2024
Paricalcitol prevents MAPK pathway activation and inflammation in adriamycin-induced kidney injury in rats.
Article in Journal of pathology and translational medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Attenuating amiodarone-induced lung toxicity by the vitamin D receptor activator paricalcitol in rats: targeting TLR4/NF-κB/HIF-1α and TGF-β/Smad signaling pathways.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- The gut-kidney axis in chronic kidney disease: a vicious cycle of microbial dysbiosis and uremic toxin accumulation.Frontiers in immunology · 2026Review
- Perirenal fat differs in patients with chronic kidney disease receiving different vitamin D-based treatments: a preliminary study.BMC nephrology · 2025Article
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9 authors.
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Abstract
backgroundActivation of the mitogen-activated protein kinase (MAPK) pathway induces uncontrolled cell proliferation in response to inflammatory stimuli. Adriamycin (ADR)-induced nephropathy (ADRN) in rats triggers MAPK activation and pro-inflammatory mechanisms by increasing cytokine secretion, similar to chronic kidney disease (CKD). Activation of the vitamin D receptor (VDR) plays a crucial role in suppressing the expression of inflammatory markers in the kidney and may contribute to reducing cellular proliferation. This study evaluated the effect of pre-treatment with paricalcitol on ADRN in renal inflammation mechanisms.
methodsMale Sprague-Dawley rats were implanted with an osmotic minipump containing activated vitamin D (paricalcitol, Zemplar, 6 ng/day) or vehicle (NaCl 0.9%). Two days after implantation, ADR (Fauldoxo, 3.5 mg/kg) or vehicle (NaCl 0.9%) was injected. The rats were divided into four experimental groups: control, n = 6; paricalcitol, n = 6; ADR, n = 7 and, ADR + paricalcitol, n = 7.
resultsVDR activation was demonstrated by increased CYP24A1 in renal tissue. Paricalcitol prevented macrophage infiltration in the glomeruli, cortex, and outer medulla, prevented secretion of tumor necrosis factor-α, and interleukin-1β, increased arginase I and decreased arginase II tissue expressions, effects associated with attenuation of MAPK pathways, increased zonula occludens-1, and reduced cell proliferation associated with proliferating cell nuclear antigen expression. Paricalcitol treatment decreased the stromal cell-derived factor 1α/chemokine C-X-C receptor type 4/β-catenin pathway.
conclusionsParicalcitol plays a renoprotective role by modulating renal inflammation and cell proliferation. These results highlight potential targets for treating CKD.
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