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Heavy Water (D2O) Containing Preservation Solution Reduces Hepatic Cold Preservation and Reperfusion Injury in an Isolated Perfused Rat Liver (IPRL) Model

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Title: Heavy Water (D2O) Containing Preservation Solution Reduces Hepatic Cold Preservation and Reperfusion Injury in an Isolated Perfused Rat Liver (IPRL) Model
Authors: Shimada, Shingo Browse this author
Fukai, Moto Browse this author →KAKEN DB
Shibata, Kengo Browse this author
Sakamoto, Sodai Browse this author
Wakayama, Kenji Browse this author →KAKEN DB
Ishikawa, Takahisa Browse this author
Kawamura, Norio Browse this author →KAKEN DB
Fujiyoshi, Masato Browse this author
Shimamura, Tsuyoshi Browse this author →KAKEN DB
Taketomi, Akinobu Browse this author →KAKEN DB
Keywords: heavy water
D2O
liver
cold preservation
mitochondria
cytoskeleton
Issue Date: Nov-2019
Publisher: MDPI
Journal Title: Journal of clinical medicine
Volume: 8
Issue: 11
Start Page: 1818
Publisher DOI: 10.3390/jcm8111818
Abstract: Background: Heavy water (D2O) has many biological effects due to the isotope effect of deuterium. We previously reported the efficacy of D2O containing solution (Dsol) in the cold preservation of rat hearts. Here, we evaluated whether Dsol reduced hepatic cold preservation and reperfusion injury. Methods: Rat livers were subjected to 48-hour cold storage in University of Wisconsin (UW) solution or Dsol, and subsequently reperfused on an isolated perfused rat liver. Graft function, injury, perfusion kinetics, oxidative stress, and cytoskeletal integrity were assessed. Results: In the UW group, severe ischemia and reperfusion injury (IRI) was shown by histopathology, higher liver enzymes leakage, portal resistance, and apoptotic index, oxygen consumption, less bile production, energy charge, and reduced glutathione (GSH)/oxidized glutathione (GSSG) ratio (versus control). The Dsol group showed that these injuries were significantly ameliorated (versus the UW group). Furthermore, cytoskeletal derangement was progressed in the UW group, as shown by less degradation of alpha-Fodrin and by the inactivation of the actin depolymerization pathway, whereas these changes were significantly suppressed in the Dsol group. Conclusion: Dsol reduced hepatic IRI after extended cold preservation and subsequent reperfusion. The protection was primarily due to the maintenance of mitochondrial function, cytoskeletal integrity, leading to limiting oxidative stress, apoptosis, and necrosis pathways.
Rights: https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/76618
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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