Getting the mOST from OST: Role of organic solute transporter, OSTalpha-OSTbeta, in bile acid and steroid metabolism

Biochim Biophys Acta. 2010 Sep;1801(9):994-1004. doi: 10.1016/j.bbalip.2010.06.002. Epub 2010 Jun 9.

Abstract

The organic solute transporter (OST)(alpha)-OST(beta) is an unusual heteromeric carrier expressed in a variety of tissues including the small intestine, colon, liver, biliary tract, kidney, and adrenal gland. In polarized epithelial cells, OSTalpha-OSTbeta protein is localized on the basolateral membrane and functions in the export or uptake of bile acids and steroids. This article reviews recent results including studies of knockout mouse models that provide new insights to the role of OSTalpha-OSTbeta in the compartmentalization and metabolism of these important lipids.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Animals
  • Bile Acids and Salts / metabolism*
  • Humans
  • Membrane Transport Proteins / metabolism*
  • Mice
  • Steroids / metabolism*

Substances

  • Bile Acids and Salts
  • Membrane Transport Proteins
  • Steroids
  • organic solute transporter alpha, human
  • organic solute transporter alpha, mouse
  • SLC51B protein, human
  • organic solute transporter beta, mouse