Role of galanin and galanin(1-15) on central cardiovascular control

Neuropeptides. 2005 Jun;39(3):185-90. doi: 10.1016/j.npep.2004.12.009. Epub 2005 Feb 1.

Abstract

Galanin and the N-terminal fragment Galanin(1-15) are involved in central cardiovascular regulation. The present paper reviews the recent cardiovascular results obtained by intracisternal injections of Galanin and Galanin(1-15) showing that: (A) the Galanin antagonist M40 blocks the central cardiovascular responses induced by Galanin(1-15) but not those elicited by Galanin; (B) both Galanin and Galanin(1-15) induce the expression of c-Fos in cardiovascular nuclei of the medulla oblongata with different temporal and spatial profiles; (C) the cardiovascular action of Galanin(1-15), but not Galanin, is mediated by peripheral beta-receptor stimulation; (D) and it is demonstrated an antagonistic Galanin/alpha2-adrenoceptors interaction as well as a differential modulation of central cardiovascular responses of Angiotensin II by Galanin or Galanin(1-15). All these data strengthen the involvement of both Galanin molecules as neuromodulators on central cardiovascular regulation.

Publication types

  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Animals
  • Brain Stem / drug effects*
  • Cardiovascular System / drug effects*
  • Galanin / pharmacology*
  • Galanin / physiology
  • Peptide Fragments / pharmacology*
  • Peptide Fragments / physiology

Substances

  • Peptide Fragments
  • galanin (1-15)
  • Galanin