ArticleClinical and experimental nephrology2018
Expression of β-catenin in regenerating renal tubules of cisplatin-induced kidney failure in rats.
Article in Clinical and experimental nephrology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- Macrophages polarization in renal inflammation and fibrosis animal models (Review).Molecular medicine reports · 2024Review
- Stem cell pathology: histogenesis of malignant fibrous histiocytoma and characterization of myofibroblasts appearing in fibrotic lesions.The Journal of veterinary medical science · 2023Review
- Analyses of damage-associated molecular patterns, particularly biglycan, in cisplatin-induced rat progressive renal fibrosis.Journal of toxicologic pathology · 2023Article
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5 authors at 1 institution in 1 country.
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Abstract
backgroundβ-Catenin is a multi-functional protein involved in nephrogenesis and also plays important roles in renal injury. Here, the expression of β-catenin was investigated in the proximal renal tubular epithelial cells in cisplatin (CDDP)-induced acute kidney injury (AKI) and chronic kidney injury (CKI), because CDDP-induced renal lesions were characterized by proximal renal tubular epithelial degeneration/regeneration and subsequent interstitial fibrosis.
methodsF344 rats were treated with CDDP. The expression of β-catenin and proliferative (Ki67) or fibrogenic [vimentin, α-smooth action (α-SMA)] markers was analyzed by immunolabeling.
resultsβ-Catenin, vimentin and Ki67 were not seen in the proximal renal tubules of control rats. Interestingly, in CDDP-induced AKI, the regenerating proximal renal tubular epithelial cells reacting strongly with Ki67 expressed membranous or cytoplasmic β-catenin and also showed a positive reaction to vimentin but not to α-SMA. In CDDP-induced CKI, the epithelial cells of abnormally dilated or atrophied renal tubules did not react to β-catenin or Ki67, but showed positive reactions to vimentin and α-SMA. β-Catenin mRNAs were significantly increased in AKI and significantly decreased in CKI.
conclusionNewly expressed β-catenin in the proximal renal tubules after AKI may participate in functional regeneration. In CKI, epithelial cells of abnormal renal tubules did not express β-catenin but reacted to vimentin, and α-SMA might indicate the epithelial-mesenchymal transition (EMT) formation, because α-SMA is usually expressed in myofibroblasts forming via EMT. The presence or absence of β-catenin expression would become a marker for the EMT phenomenon in progressive renal fibrosis.
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