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- W4384282955 abstract "Objectives: To test whether mitochondrial transplantation (MITO) mitigates damage in two models of acute kidney injury (AKI). Summary Background Data: MITO is a process where exogenous isolated mitochondria are taken up by cells. As virtually any morbid clinical condition is characterized by mitochondrial distress, MITO may find a role as a treatment modality in numerous clinical scenarios including AKI. Methods: For the in vitro experiments, human proximal tubular cells were damaged and then treated with mitochondria or placebo. For the e x vivo experiments, we developed a non-survival ex vivo porcine model mimicking the donation after cardiac death (DCD) renal transplantation scenario. One kidney was treated with mitochondria, while the mate organ received placebo, before being perfused at room temperature for 24 hours. Perfusate samples were collected at different time points and analyzed with Raman spectroscopy. Biopsies taken at baseline and 24 hours were analyzed with standard pathology, immunohistochemistry and RNA sequencing analysis. Results: In vitro , cells treated with MITO showed higher proliferative capacity and ATP production, preservation of physiological polarization of the organelles and lower toxicity and reactive oxygen species production. Ex vivo , kidneys treated with MITO shed fewer molecular species, indicating stability. In these kidneys, pathology showed less damage while RNAseq analysis showed modulation of genes and pathways most consistent with mitochondrial biogenesis and energy metabolism and downregulation of genes involved in neutrophil recruitment, including IL1A, CXCL8, and PIK3R1. Conclusions: MITO mitigates AKI both in vitro and ex vivo ." @default.
- W4384282955 created "2023-07-15" @default.
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- W4384282955 date "2023-07-14" @default.
- W4384282955 modified "2023-09-23" @default.
- W4384282955 title "Mitochondria Transplantation Mitigates Damage in an In Vitro Model of Renal Tubular Injury and in an Ex Vivo Model of DCD Renal Transplantation" @default.
- W4384282955 doi "https://doi.org/10.1097/sla.0000000000006005" @default.
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- W4384282955 hasPublicationYear "2023" @default.
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