Rapid induction of alkaline phosphatase activity by retinoic acid

David H. Reese, Gilbert J. Fiorentino, Alice J. Claflin, Theodore I. Malinin, Victor A. Politano

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


Retinoic acid (vitamin A acid) increased alkaline phosphatase activity in cultured cells derived from both normal rat prostate and the Dunning R-3327 transplantable prostatic adenocarcinoma. Retinoic acid was found to be 3-4-fold more effective as an inducer of enzyme activity than retinol or retinal. In one rapidly-growing cell line (UMS-1541Q) which has a barely-detectable level of enzyme activity in the uninduced state, increased activity could be detected as early as 3-4 hours after the addition of 10μM retinoic acid. This increase was totally blocked by actinomycin D and cycloheximide. The demonstrated rapid inducibility of alkaline phosphatase activity provides a specific marker for the action of retinoic acid at the molecular level.

Original languageEnglish (US)
Pages (from-to)315-321
Number of pages7
JournalBiochemical and biophysical research communications
Issue number1
StatePublished - Sep 16 1981

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology


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