The role of nitric oxide in the physiological regulation of Ca 2+ cycling

Shakil A. Khan, Joshua Hare

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The modulation of ion channels, including, but not limited to Ca 2+ channels and pores, is emerging as a general mechanism by which nitric oxide (NO) exerts biological signaling. Due to the fact that the bioactivity of NO involves several second messenger systems and is profoundly influenced by multiple environmental stimuli, many seemingly divergent observations may be found in the literature. Accordingly, there is an ongoing controversy regarding the impact of NO on Ca2+ channels. An important theme for NO signaling, which may partly settle the ongoing controversies regarding NO signaling, is the spatial confinement of NO synthases (NOSs) with effector molecules, including ion channels. Perhaps the most important environmental stimulus that influences the bioactivity of NO is redox milieu, which in turn is influenced by the formation of reactive oxygen species and oxygen tension. Here, we review the current knowledge regarding the NOS modulation of Ca2+ channels, emphasizing the cardiovascular, musculoskeletal and central nervous systems.

Original languageEnglish
Pages (from-to)658-666
Number of pages9
JournalCurrent Opinion in Drug Discovery and Development
Volume6
Issue number5
StatePublished - Sep 1 2003
Externally publishedYes

Fingerprint

Nitric Oxide
Ion Channels
Nitric Oxide Synthase
Second Messenger Systems
Oxidation-Reduction
Reactive Oxygen Species
Central Nervous System
Oxygen

Keywords

  • Ca channels
  • L-type Ca channel
  • Na+/Ca2+ exchanger
  • Nitric oxide
  • Ryanodine receptor
  • Sarcoplasmic reticulum Ca-ATPase

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology
  • Drug Discovery

Cite this

The role of nitric oxide in the physiological regulation of Ca 2+ cycling. / Khan, Shakil A.; Hare, Joshua.

In: Current Opinion in Drug Discovery and Development, Vol. 6, No. 5, 01.09.2003, p. 658-666.

Research output: Contribution to journalArticle

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