Standard Article

Water Channels

  1. Landon S King,
  2. Peter Agre

Published Online: 19 APR 2001

DOI: 10.1038/npg.els.0000655



How to Cite

King, L. S. and Agre, P. 2001. Water Channels. eLS. .

Author Information

  1. Johns Hopkins University School of Medicine, Baltimore, Maryland, USA

Publication History

  1. Published Online: 19 APR 2001


Water can cross plasma membranes by diffusion through the lipid bilayer or by channel-mediated water movement. Aquaporins are transmembrane proteins that are selectively permeable to water. These proteins are the first identified molecular water channels.


  • permeability;
  • oedema;
  • water transport;
  • membrane protein;
  • kidney;
  • lung