Retinoic acid and 4-hydroxyphenylretinamide induce growth inhibition and tissue transglutaminase through different signal transduction pathways in mouse fibroblasts (NIH 3T3 cells)

Valeria Giandomenico, Fausto Andreola, Maria Luisa Rodriguez De La Concepcion, Steven J. Collins, Luigi M De Luca

Research output: Contribution to journalArticle

Abstract

4-Hydroxyphenylretinamide (4-HPR) is a synthetic retinoid with minimal toxicity and favorable pharmacokinetics during long-term administration to patients in clinical trials. Since 4-HPR binds poorly to the retinoic acid receptors, the issue of whether 4-HPR exerts its biological actions via classical retinoid receptor pathways remains to be resolved. We have previously reported that stable expression of a truncated retinoic acid receptor α, RARα403, transduced in NIH 3T3 cells by a retroviral vector, rendered the cells resistant to retinoic acid for growth inhibition and induction of tissue transglutaminase (TGase II). Here, we report that stable expression of the dominant negative construct RARα403 fails to blunt growth inhibition and TGase II induction by 4-HPR, a potent chemopreventive retinoid, in the same cells. These data show that retinoic acid receptors do not mediate either growth inhibition or induction of TGase II activity by 4-HPR in mouse fibroblast cells.

Original languageEnglish (US)
Pages (from-to)1133-1135
Number of pages3
JournalCarcinogenesis
Volume20
Issue number6
DOIs
StatePublished - 1999
Externally publishedYes

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Fenretinide
NIH 3T3 Cells
Tretinoin
Signal Transduction
Fibroblasts
Retinoic Acid Receptors
Retinoids
Growth
Pharmacokinetics
transglutaminase 2
Clinical Trials

ASJC Scopus subject areas

  • Cancer Research

Cite this

Retinoic acid and 4-hydroxyphenylretinamide induce growth inhibition and tissue transglutaminase through different signal transduction pathways in mouse fibroblasts (NIH 3T3 cells). / Giandomenico, Valeria; Andreola, Fausto; Rodriguez De La Concepcion, Maria Luisa; Collins, Steven J.; De Luca, Luigi M.

In: Carcinogenesis, Vol. 20, No. 6, 1999, p. 1133-1135.

Research output: Contribution to journalArticle

Giandomenico, Valeria ; Andreola, Fausto ; Rodriguez De La Concepcion, Maria Luisa ; Collins, Steven J. ; De Luca, Luigi M. / Retinoic acid and 4-hydroxyphenylretinamide induce growth inhibition and tissue transglutaminase through different signal transduction pathways in mouse fibroblasts (NIH 3T3 cells). In: Carcinogenesis. 1999 ; Vol. 20, No. 6. pp. 1133-1135.
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AU - Collins, Steven J.

AU - De Luca, Luigi M

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