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Deciphering the interplay between SETD2 mediated H3K36me3 and RNA N6-methyladenosine in clear cell renal cell carcinoma (ccRCC).
Epigenetics
December 2025
Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
RNA N6-methyladenosine (m6A) plays diverse roles in RNA metabolism and its deregulation contributes to tumor initiation and progression. Clear cell renal cell carcinoma (ccRCC) is characterized by near ubiquitous loss of followed by mutations in epigenetic regulators , , and . Mutations in , a histone H3 lysine 36 trimethylase (H3K36me3), are associated with reduced survival, greater metastatic propensity, and metabolic reprogramming.
View Article and Find Full Text PDFA High-Fat Diet Induces Epigenetic 1-Carbon Metabolism, Homocystinuria, and Renal-Dependent HFpEF.
Nutrients
January 2025
Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA.
Background/objectives: Chronic gut dysbiosis due to a high-fat diet (HFD) instigates cardiac remodeling and heart failure with preserved ejection fraction (HFpEF), in particular, kidney/volume-dependent HFpEF. Studies report that although mitochondrial ATP citrate lyase (ACLY) supports cardiac function, it decreases more in human HFpEF than HFrEF. Interestingly, ACLY synthesizes lipids and creates hyperlipidemia.
View Article and Find Full Text PDFRepurposing Mitochondria-Targeted Therapeutics for Kidney Diseases.
Kidney Int
January 2025
Department of Pharmacology & Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona, USA; Southern Arizona VA Health Care System, Tucson, Arizona, USA; Southwest Environmental Health Science Center, University of Arizona, Tucson, Arizona, USA. Electronic address:
The kidney is one of the most metabolically demanding organs in the human body and requires a large amount of energy, in the form of adenosine triphosphate (ATP), to perform and maintain normal renal functions. To meet this energy demand, proximal tubule cells within the nephron segments of the renal cortex are mitochondrially dense with high oxygen consumption rates. Mitochondria are complex organelles involved in diverse cellular and molecular functions, including the production of ATP, calcium homeostasis, and phospholipid regulation.
View Article and Find Full Text PDFWhen two signals cross paths: cGAS-STING and ER stress in kidney disease progression.
Kidney Int
February 2025
Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Institute for the Advanced Study of Human Biology, Kyoto University, Kyoto, Japan. Electronic address:
Previous reports have suggested that both the endoplasmic reticulum (ER) stress and cyclic guanosine monophosphate-adenosine monophosphate synthase-stimulator of interferon genes pathways contribute to the progression of chronic kidney disease; however, the relationship between these 2 pathways in kidney injury has not been fully elucidated. Andrade-Silva et al. revealed that the cyclic guanosine monophosphate-adenosine monophosphate synthase-stimulator of interferon genes pathway can enhance ER stress through the protein kinase R-like ER kinase (PERK)-mediated signaling cascade in kidney tubular epithelial cells and sequentially augment fibrosis during kidney injury.
View Article and Find Full Text PDFDownregulation of N6-Methyladenosine (m6A) Methylation of Sema4D mRNA Contributes to Treg Dysfunction and Allograft Rejection.
Am J Transplant
January 2025
Department of Gastrointestinal Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China; Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Chengdu, Sichuan Province, China. Electronic address:
Regulatory T cells (Tregs) has been shown to be involved in the induction of transplantation tolerance in numerous models. Our previous work demonstrated that METTL14 loss impaired Treg function and hindered the establishment of transplantation tolerance. However, the underlying mechanisms remain unclear.
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