Hormonal regulation of cell junction permeability

Upregulation by catecholamine and prostaglandin E1

A. Radu, Gerhard Dahl, W. R. Loewenstein

Research output: Contribution to journal › Article

42 Citations (Scopus)

Abstract

By cellular activation with hormones, we test the proposition (Loewenstein, W.R., Physiol. Rev.61:829, 1981) that the permeability of cell junction is upregulated through elevation of the level of cyclic AMP. Cultured rat glioma C-6 cells, with β-adrenergic receptors, and human lung WI-38 cells, with prostaglandin receptors, were exposed to catecholamine (isoproterenol) and prostaglandin E1, respectively, while their junctions were probed with microinjected fluorescent-labelled mono-, di-, and triglutamate. Junctional permeability, as indexed by the proportion of cell interfaces transferring the probes, rose after the hormone treatments. The increase in permeability took several hours to develop and was associated with an increase in the number of gap-junctional membrane particles (freeze-fracture electron microscopy). Such interaction between hormonal and junctional intercellular communication may provide a mechanism for physiological regulation of junctional communication and (perhaps as part of that) for physiological coordination of responses of cells in organs and tissues to hormones.

Original languageEnglish
Pages (from-to)239-251
Number of pages13
JournalThe Journal of Membrane Biology
Volume70
Issue number3
DOIs
StatePublished - Oct 1 1982

Fingerprint

Intercellular Junctions
Alprostadil
Catecholamines
Permeability
Up-Regulation
Hormones
Prostaglandin Receptors
Isoproterenol
Glioma
Cyclic AMP
Adrenergic Receptors
Electron Microscopy
Communication
Lung
Membranes

Keywords

  • catecholamine
  • cell junction permeability
  • cell-to-cell communication
  • cell-to-cell membrane channels
  • cyclic AMP
  • gap junction
  • hormones
  • membrane permeability
  • prostaglandin E

ASJC Scopus subject areas

  • Physiology
  • Cell Biology
  • Biophysics

Cite this

Hormonal regulation of cell junction permeability : Upregulation by catecholamine and prostaglandin E1. / Radu, A.; Dahl, Gerhard; Loewenstein, W. R.

In: The Journal of Membrane Biology, Vol. 70, No. 3, 01.10.1982, p. 239-251.

Research output: Contribution to journal › Article

Radu, A, Dahl, G & Loewenstein, WR 1982, 'Hormonal regulation of cell junction permeability: Upregulation by catecholamine and prostaglandin E1', The Journal of Membrane Biology, vol. 70, no. 3, pp. 239-251. https://doi.org/10.1007/BF01870566
Radu A, Dahl G, Loewenstein WR. Hormonal regulation of cell junction permeability: Upregulation by catecholamine and prostaglandin E1. The Journal of Membrane Biology. 1982 Oct 1;70(3):239-251. https://doi.org/10.1007/BF01870566
Radu, A. ; Dahl, Gerhard ; Loewenstein, W. R. / Hormonal regulation of cell junction permeability : Upregulation by catecholamine and prostaglandin E1. In: The Journal of Membrane Biology. 1982 ; Vol. 70, No. 3. pp. 239-251.
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