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Expression of 3 human beta-adrenergic-receptor subtypes in transfected chinese-hamster ovary cells

Academic Article
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Overview

authors

  • Tate, K. M.
  • Briendsutren, M. M.
  • Emorine, L. J.
  • Delavierklutchko, C.
  • Marullo, S.
  • Strosberg, Donny

publication date

  • March 1991

journal

  • European Journal of Biochemistry  Journal

abstract

  • The genes coding for three pharmacologically distinct subtypes of human beta-adrenergic receptors (beta 1 AR, beta 2 AR and beta 3 AR) were transfected for expression in Chinese hamster ovary (CHO) cells. Stable cell lines expressing each receptor were analyzed by ligand binding, adenylate cyclase activation and photoaffinity labeling, and compared to beta AR subtypes observed in previously described tissues, primary cultures and transfected cell lines. Each of the three receptor subtypes displayed saturable [125I]iodocyanopindolol-binding activity. They showed the characteristic rank order of potencies for five agonists, determined by measuring the accumulation of intracellular cAMP. These recombinant cell lines express a homogeneous population of receptors and display the known pharmacological properties of beta 1 AR and beta 2 AR, in human tissues. It is therefore likely that the pattern of ligand binding and adenylate cyclase activation, mediated by the new beta 3 AR in CHO cells, also reflects the yet-undetermined pharmacological profile in humans.

subject areas

  • Adenylyl Cyclases
  • Affinity Labels
  • Animals
  • Cell Line
  • Cloning, Molecular
  • Cricetinae
  • Cricetulus
  • Escherichia coli
  • Female
  • Gene Expression
  • Humans
  • Iodocyanopindolol
  • Ligands
  • Ovary
  • Pindolol
  • Radioligand Assay
  • Receptors, Adrenergic, beta
  • Transfection
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Identity

International Standard Serial Number (ISSN)

  • 0014-2956

Digital Object Identifier (DOI)

  • 10.1111/j.1432-1033.1991.tb15824.x

PubMed ID

  • 1848818
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Additional Document Info

start page

  • 357

end page

  • 361

volume

  • 196

issue

  • 2

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