Retinoids and cultured human fibroblasts. Effects on cell growth and presence of cellular retinoic acid-binding protein

A. Lacroix, G. D L Anderson, Marc E Lippman

Research output: Contribution to journalArticle

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Abstract

We have examined the effects of retinoids on growth of cultured human skin fibroblasts from four individuals. Retinoic acid and retinol both produce a dose-dependent inhibition of growth in the four strains examined; retinoic acid was more potent than retinol in this respect. The growth inhibitory effect of retinoic acid is characterized by a decrease in the exponential growth rate, which is reversible upon removal of retinoic acid from the growth medium; the final saturation density, however, is not modified by retinoic acid treatment. No alterations of cell morphology, viability, or adhesiveness to substratum are induced by the retinoid concentrations utilized. The inhibitory effect of 10-6 M retinoic acid on cell growth is not affected by the concentration of fetal calf serum (FCS) in the medium. In all four human fibroblast strains examined, specific binding of [3H]retinoic acid to cytosol is present as determined by sucrose-density gradient centrifugation. Despite the effects of retinol on fibroblast growth, no cytoplasmic binding of [3H]retinol could be demonstrated in these cells.

Original languageEnglish
Pages (from-to)339-344
Number of pages6
JournalExperimental Cell Research
Volume130
Issue number2
DOIs
StatePublished - Jan 1 1980
Externally publishedYes

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Retinoic Acid Receptors
Retinoids
Tretinoin
Fibroblasts
Vitamin A
Growth
Adhesiveness
Density Gradient Centrifugation
Cytosol
Sucrose
Cell Survival
Skin
Serum

ASJC Scopus subject areas

  • Cell Biology

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Retinoids and cultured human fibroblasts. Effects on cell growth and presence of cellular retinoic acid-binding protein. / Lacroix, A.; Anderson, G. D L; Lippman, Marc E.

In: Experimental Cell Research, Vol. 130, No. 2, 01.01.1980, p. 339-344.

Research output: Contribution to journalArticle

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