The actions of retinoids on cellular growth correlate with their actions on gap junctional communication

P. P. Mehta, J. S. Bertram, W. R. Loewenstein

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

Retinoic acid (a possible morphogen), its biological precursor retinol, and certain synthetic derivatives of retinol profoundly change junctional intercellular communication and growth (saturation density) in 10T 1/2 and 3T3 cells and in their transformed counterparts. The changes correlate: growth decreases as the steady-state junctional permeability rises, and growth increases as that permeability falls. Retinoic acid and retinol exert quite different steady-state actions on communication at noncytotoxic concentrations in the normal cells: retinoic acid inhibits communication at 10-10-10-9 M and enhances at 10-9-10-7 M, whereas retinol only enhances (10-8-10-6 M). In v-mos-transformed cells the enhancement is altogether lacking. But regardless of the retinoid or cell type, all growth responses show essentially the same dependence on junctional permeability. This is the expected behavior if the cell-to-cell channels of gap junctions disseminate growth-regulating signals through cell populations.

Original languageEnglish (US)
Pages (from-to)1053-1065
Number of pages13
JournalJournal of Cell Biology
Volume108
Issue number3
DOIs
StatePublished - Jan 1 1989

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Retinoids
Vitamin A
Growth
Tretinoin
Permeability
3T3 Cells
Gap Junctions
Population

ASJC Scopus subject areas

  • Cell Biology

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The actions of retinoids on cellular growth correlate with their actions on gap junctional communication. / Mehta, P. P.; Bertram, J. S.; Loewenstein, W. R.

In: Journal of Cell Biology, Vol. 108, No. 3, 01.01.1989, p. 1053-1065.

Research output: Contribution to journalArticle

Mehta, P. P. ; Bertram, J. S. ; Loewenstein, W. R. / The actions of retinoids on cellular growth correlate with their actions on gap junctional communication. In: Journal of Cell Biology. 1989 ; Vol. 108, No. 3. pp. 1053-1065.
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