Gas biology

Tiny molecules controlling metabolic systems

Mayumi Kajimura, Tsuyoshi Nakanishi, Toshiki Takenouchi, Takayuki Morikawa, Takako Hishiki, Yoshinori Yukutake, Makoto Suematsu

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

It has been recognized that gaseous molecules and their signaling cascades play a vital role in alterations of metabolic systems in physiologic and pathologic conditions. Contrary to this awareness, detailed mechanisms whereby gases exert their actions, in particular in vivo, have been unclear because of several reasons. Gaseous signaling involves diverse reactions with metal centers of metalloproteins and thiol modification of cysteine residues of proteins. Both the multiplicity of gas targets and the technical limitations in accessing local gas concentrations make dissection of exact actions of any gas mediator a challenge. However, a series of advanced technologies now offer ways to explore gas-responsive regulatory processes in vivo. Imaging mass spectrometry combined with quantitative metabolomics by capillary-electrophoresis/mass spectrometry reveals spatio-temporal profiles of many metabolites. Comparing the metabolic footprinting of murine samples with a targeted deletion of a specific gas-producing enzyme makes it possible to determine sites of actions of the gas. In this review, we intend to elaborate on the ideas how small gaseous molecules interact with metabolic systems to control organ functions such as cerebral vascular tone and energy metabolism in vivo.

Original languageEnglish
Pages (from-to)139-148
Number of pages10
JournalRespiratory Physiology and Neurobiology
Volume184
Issue number2
DOIs
Publication statusPublished - 2012 Nov 15

Fingerprint

Gases
Mass Spectrometry
Metalloproteins
Metabolomics
Capillary Electrophoresis
Sulfhydryl Compounds
Energy Metabolism
Cysteine
Blood Vessels
Dissection
Metals
Technology
Enzymes
Proteins

Keywords

  • Carbon monoxide
  • Cystathionine β-synthase
  • Gas biology
  • Heme oxygenase
  • Hydrogen sulfide
  • Imaging mass spectrometry
  • Ischemia
  • Metabolism
  • Neurovascular unit

ASJC Scopus subject areas

  • Physiology
  • Pulmonary and Respiratory Medicine
  • Neuroscience(all)

Cite this

Gas biology : Tiny molecules controlling metabolic systems. / Kajimura, Mayumi; Nakanishi, Tsuyoshi; Takenouchi, Toshiki; Morikawa, Takayuki; Hishiki, Takako; Yukutake, Yoshinori; Suematsu, Makoto.

In: Respiratory Physiology and Neurobiology, Vol. 184, No. 2, 15.11.2012, p. 139-148.

Research output: Contribution to journalArticle

Kajimura, Mayumi ; Nakanishi, Tsuyoshi ; Takenouchi, Toshiki ; Morikawa, Takayuki ; Hishiki, Takako ; Yukutake, Yoshinori ; Suematsu, Makoto. / Gas biology : Tiny molecules controlling metabolic systems. In: Respiratory Physiology and Neurobiology. 2012 ; Vol. 184, No. 2. pp. 139-148.
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