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Chronic kidney disease (CKD) is a global health problem characterized by renal fibrosis (RF). Aquaporins (AQPs) are key regulators of water transport across membranes. Key members of this family (such as AQP1, AQP2, etc.) play important roles in renal physiology and fibrotic pathology through mechanisms including imbalance of water transport, epithelial-mesenchymal cell transformation (EMT) and inflammatory response. This review focuses on the regulatory mechanisms of major members of the AQPs family in renal fibrosis and their potential as treatment targets based on preclinical research, providing a direction for the treatment of renal fibrosis.
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http://dx.doi.org/10.1096/fj.202501710R | DOI Listing |
Korean J Physiol Pharmacol
September 2025
Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China.
The progression of renal fibrosis is difficult to reverse, and Poria cocos, one of the main components of Wenyang Zhenshuai Granules, has been shown to be crucial to the development of the epithelial-mesenchymal transition (EMT). This study aimed to examine the molecular mechanism by which Poricoic Acid A (PAA) inhibited the advancement of EMT in renal tubular epithelial (RTE) cells. The protein levels of sprouty RTK signaling antagonist 2 (SPRY2) extracellular regulated protein kinases (ERK), and p-ERK were measured.
View Article and Find Full Text PDFExp Cell Res
September 2025
Department of Nephrology, The First Hospital of China Medical University, Shenyang 110004 Liaoning Province, China. Electronic address:
Renal fibrosis is the common pathological outcome of chronic kidney disease (CKD) progressing into end-stage renal disease. The excessive proliferation of fibroblasts plays an important role in the CKD progression. Nutrients such as amino acids and their transportation are essential for cell proliferation.
View Article and Find Full Text PDFCardiovasc Toxicol
September 2025
Department of Cardiac Surgery, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangdong Cardiovascular Institute, Guangzhou, 510100, Guangdong, China.
Myocardial infarction (MI), induced by ischemia and hypoxia of the coronary arteries, presents as myocardial necrosis. Patients often experience intense, prolonged retrosternal pain that is unrelieved by rest or nitrate therapy and is frequently associated with high blood myocardial enzyme levels. Physical effort may exacerbate this anxiety, increasing the likelihood of life-threatening consequences such as arrhythmias, shock, or cardiac failure.
View Article and Find Full Text PDFEcotoxicol Environ Saf
September 2025
College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Pollution Damage and Biological Control for Huaihe River, Fuyang Normal University, Fuyang, Anhui 236041, China. Electronic address: yong_liu2023
The increasing presence of nanoplastics (NPs) and synthetic antioxidants like 3-tert -Butyl-4-hydroxyanisole (3-BHA) in the environment has attracted widespread attention about their combined toxicological effects on human health, particularly on renal function. This study explored to the combined impacts of NPs and 3-BHA at environmentally relevant concentrations on sub-chronic kidney injury in mice. Firstly, our results confirmed that the accumulation of 80 nm NPs in renal tissues, leading to structural abnormalities such as reduced mitochondrial cristae and increased empty bubbles in mice by transmission electron microscope (TEM) analysis.
View Article and Find Full Text PDFExp Cell Res
September 2025
Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, Guangzhou, Guangdong 510080, China. Electronic address:
Background: Chronic rejection is a major cause of long-term kidney allograft failure, characterized by persistent inflammation and progressive fibrosis. Macrophages are central mediators of this process, but their phenotypic heterogeneity and regulatory mechanisms in chronic rejection remain incompletely understood.
Methods: We performed single-cell transcriptomic analysis on renal allograft biopsies from patients with different types of rejection and on a time-course rat model of chronic rejection.