Mitochondrial biogenesis as a cellular signaling framework

Enzo Nisoli, Emilio Clementi, Salvador Moncada, Michele O. Carruba

Research output: Contribution to journalArticle

99 Citations (Scopus)

Abstract

The identification, more than 50 years ago, of mitochondria as the site of oxidative energy metabolism has prompted studies that have unraveled the complexity of the numerous biosynthetic and degradative reactions, fundamental to cell function, carried out by these organelles. These activities depend on a distinctive mitochondrial structure, with different enzymes and reactions localized in discrete membranes and aqueous compartments. The characteristic mitochondrial structural organization is the product of both synthesis of macromolecules within the mitochondria and the import of proteins and lipids synthesized outside the organelle. Synthesis and import of mitochondrial components are required for mitochondrial proliferation, but rather than producing new organelles, these processes may facilitate the growth of pre-existing mitochondria. Recent evidence indicates that these events are regulated in a complex way by several agonists and environmental conditions, through activation of specific transcription factors and signaling pathways. Some of these are now being elucidated. Generation of nitric oxide (NO) appears to be a novel player in this scenario, possibly acting as a unifying molecular switch to trigger the whole mitochondriogenic process.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalBiochemical Pharmacology
Volume67
Issue number1
DOIs
Publication statusPublished - Jan 1 2004

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Cell signaling
Mitochondria
Organelle Biogenesis
Organelles
Macromolecules
Energy Metabolism
Nitric Oxide
Transcription Factors
Chemical activation
Switches
Membranes
Lipids
Enzymes
Growth
Proteins

Keywords

  • Cellular signaling
  • Energy metabolism
  • Mitochondrial biogenesis

ASJC Scopus subject areas

  • Pharmacology

Cite this

Mitochondrial biogenesis as a cellular signaling framework. / Nisoli, Enzo; Clementi, Emilio; Moncada, Salvador; Carruba, Michele O.

In: Biochemical Pharmacology, Vol. 67, No. 1, 01.01.2004, p. 1-15.

Research output: Contribution to journalArticle

Nisoli, E, Clementi, E, Moncada, S & Carruba, MO 2004, 'Mitochondrial biogenesis as a cellular signaling framework', Biochemical Pharmacology, vol. 67, no. 1, pp. 1-15. https://doi.org/10.1016/j.bcp.2003.10.015
Nisoli, Enzo ; Clementi, Emilio ; Moncada, Salvador ; Carruba, Michele O. / Mitochondrial biogenesis as a cellular signaling framework. In: Biochemical Pharmacology. 2004 ; Vol. 67, No. 1. pp. 1-15.
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