In silico modeling and metabolome analysis of long-stored erythrocytes to improve blood storage methods

Taiko Nishino, Ayako Yachie-Kinoshita, Akiyoshi Hirayama, Tomoyoshi Soga, Makoto Suematsu, Masaru Tomita

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

There is currently no effective method for preventing ATP and 2,3-bisphosphoglycerate (2,3-BPG) depletion during long-term erythrocyte storage in the cold, although these metabolites are strongly associated with cell viability and oxygen delivery after transfusion. Metabolite reduction is caused by whole metabolic networks in the cell, which are regulated by various physical or chemical factors. Mathematical modeling is a powerful tool for integrating such complex and dynamic systems. Here, we developed a mathematical model to predict metabolism in erythrocytes preserved with a mannitol-adenine-phosphate solution (MAP) at 4 °C, by modifying a published model of large-scale erythrocyte metabolism. Our model successfully reproduced the reported decreases in ATP and 2,3-BPG during storage. Analysis of our model identified several enzymatic reactions and factors related to ATP and 2,3-BPG depletions, which may serve as possible targets for improving blood storage methods. We also performed metabolome analysis of laboratory-made MAP-stored erythrocytes using capillary electrophoresis time-of-flight mass spectrometry (CE-TOFMS), which provided a comprehensive view of the metabolism dynamics. Alterations in the metabolic intermediate concentrations after long storage were qualitatively predicted by the model. Finally, through further systematic analysis, we also discuss the usability of our model.

Original languageEnglish
Pages (from-to)212-223
Number of pages12
JournalJournal of Biotechnology
Volume144
Issue number3
DOIs
Publication statusPublished - 2009 Nov

Fingerprint

Metabolome
2,3-Diphosphoglycerate
Computer Simulation
Mannitol Phosphates
Blood
Erythrocytes
Adenosinetriphosphate
Metabolism
Adenosine Triphosphate
Adenine
Mannitol
Metabolites
Phosphates
Capillary Electrophoresis
Metabolic Networks and Pathways
Capillary electrophoresis
Mass Spectrometry
Cell Survival
Theoretical Models
Mass spectrometry

Keywords

  • Blood storage
  • Cellular modeling
  • Erythrocyte metabolism
  • Metabolic simulation
  • Metabolome analysis

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

In silico modeling and metabolome analysis of long-stored erythrocytes to improve blood storage methods. / Nishino, Taiko; Yachie-Kinoshita, Ayako; Hirayama, Akiyoshi; Soga, Tomoyoshi; Suematsu, Makoto; Tomita, Masaru.

In: Journal of Biotechnology, Vol. 144, No. 3, 11.2009, p. 212-223.

Research output: Contribution to journalArticle

Nishino, Taiko ; Yachie-Kinoshita, Ayako ; Hirayama, Akiyoshi ; Soga, Tomoyoshi ; Suematsu, Makoto ; Tomita, Masaru. / In silico modeling and metabolome analysis of long-stored erythrocytes to improve blood storage methods. In: Journal of Biotechnology. 2009 ; Vol. 144, No. 3. pp. 212-223.
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