Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen

The high-pressure gas (HPG) method with carbon monoxide (CO) and oxygen (O<sub>2</sub>) mixture maintains the preserved rat heart function. The metabolites of rat hearts preserved using the HPG method (HPG group) and cold storage (CS) method (CS group) by immersion in a stock solution fo...

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Main Authors: Chiharu Suzuki, Naoyuki Hatayama, Tadashi Ogawa, Eri Nanizawa, Shun Otsuka, Koichiro Hata, Hiroshi Seno, Munekazu Naito, Shuichi Hirai
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/21/22/8858
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author Chiharu Suzuki
Naoyuki Hatayama
Tadashi Ogawa
Eri Nanizawa
Shun Otsuka
Koichiro Hata
Hiroshi Seno
Munekazu Naito
Shuichi Hirai
author_facet Chiharu Suzuki
Naoyuki Hatayama
Tadashi Ogawa
Eri Nanizawa
Shun Otsuka
Koichiro Hata
Hiroshi Seno
Munekazu Naito
Shuichi Hirai
author_sort Chiharu Suzuki
collection DOAJ
description The high-pressure gas (HPG) method with carbon monoxide (CO) and oxygen (O<sub>2</sub>) mixture maintains the preserved rat heart function. The metabolites of rat hearts preserved using the HPG method (HPG group) and cold storage (CS) method (CS group) by immersion in a stock solution for 24 h were assessed to confirm CO and O<sub>2</sub> effects. Lactic acid was significantly lower and citric acid was significantly higher in the HPG group than in the CS group. Moreover, adenosine triphosphate (ATP) levels as well as some pentose phosphate pathway (PPP) metabolites and reduced nicotinamide adenine dinucleotide phosphate (NADPH) were significantly higher in the HPG group than in the CS group. Additionally, reduced glutathione (GSH), which protects cells from oxidative stress, was also significantly higher in the HPG group than in the CS group. These results indicated that each gas, CO and O<sub>2</sub>, induced the shift from anaerobic to aerobic metabolism, maintaining the energy of ischemic preserved organs, shifting the glucose utilization from glycolysis toward PPP, and reducing oxidative stress. Both CO and O<sub>2</sub> in the HPG method have important effects on the ATP supply and decrease oxidative stress for preventing ischemic injury. The HPG method may be useful for clinical application.
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spelling doaj.art-c728cfbbe06449b68d9281ba952b8ebb2023-11-20T21:59:03ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672020-11-012122885810.3390/ijms21228858Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and OxygenChiharu Suzuki0Naoyuki Hatayama1Tadashi Ogawa2Eri Nanizawa3Shun Otsuka4Koichiro Hata5Hiroshi Seno6Munekazu Naito7Shuichi Hirai8Department of Anatomy, Aichi Medical University, Aichi 480-1195, JapanDepartment of Anatomy, Aichi Medical University, Aichi 480-1195, JapanDepartment of Legal Medicine, Aichi Medical University, Aichi 480-1195, JapanDepartment of Anatomy, Aichi Medical University, Aichi 480-1195, JapanDepartment of Anatomy, Aichi Medical University, Aichi 480-1195, JapanDepartment of Surgery, Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, JapanDepartment of Legal Medicine, Aichi Medical University, Aichi 480-1195, JapanDepartment of Anatomy, Aichi Medical University, Aichi 480-1195, JapanDepartment of Anatomy, Aichi Medical University, Aichi 480-1195, JapanThe high-pressure gas (HPG) method with carbon monoxide (CO) and oxygen (O<sub>2</sub>) mixture maintains the preserved rat heart function. The metabolites of rat hearts preserved using the HPG method (HPG group) and cold storage (CS) method (CS group) by immersion in a stock solution for 24 h were assessed to confirm CO and O<sub>2</sub> effects. Lactic acid was significantly lower and citric acid was significantly higher in the HPG group than in the CS group. Moreover, adenosine triphosphate (ATP) levels as well as some pentose phosphate pathway (PPP) metabolites and reduced nicotinamide adenine dinucleotide phosphate (NADPH) were significantly higher in the HPG group than in the CS group. Additionally, reduced glutathione (GSH), which protects cells from oxidative stress, was also significantly higher in the HPG group than in the CS group. These results indicated that each gas, CO and O<sub>2</sub>, induced the shift from anaerobic to aerobic metabolism, maintaining the energy of ischemic preserved organs, shifting the glucose utilization from glycolysis toward PPP, and reducing oxidative stress. Both CO and O<sub>2</sub> in the HPG method have important effects on the ATP supply and decrease oxidative stress for preventing ischemic injury. The HPG method may be useful for clinical application.https://www.mdpi.com/1422-0067/21/22/8858cardioprotectionischemic injurymetabolomicscarbon monoxideoxygenhigh-pressure gas
spellingShingle Chiharu Suzuki
Naoyuki Hatayama
Tadashi Ogawa
Eri Nanizawa
Shun Otsuka
Koichiro Hata
Hiroshi Seno
Munekazu Naito
Shuichi Hirai
Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
International Journal of Molecular Sciences
cardioprotection
ischemic injury
metabolomics
carbon monoxide
oxygen
high-pressure gas
title Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
title_full Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
title_fullStr Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
title_full_unstemmed Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
title_short Cardioprotection via Metabolism for Rat Heart Preservation Using the High-Pressure Gaseous Mixture of Carbon Monoxide and Oxygen
title_sort cardioprotection via metabolism for rat heart preservation using the high pressure gaseous mixture of carbon monoxide and oxygen
topic cardioprotection
ischemic injury
metabolomics
carbon monoxide
oxygen
high-pressure gas
url https://www.mdpi.com/1422-0067/21/22/8858
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