Induction of cyclic AMP-binding proteins by dibutyryl cyclic AMP in mouse neuroblastoma cells

Nagindra Prashad, Roger N. Rosenberg

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Mouse neuroblastoma cells grown in the presence of 1 mM N6, O2′-dibutyryl-cyclic AMP showed a 3-fold increase in cyclic AMP-binding proteins. The role of dibutyryl cyclic AMP in the introduction of cyclic AMP-binding proteins in these cells has been studied. Induced cyclic AMP-binding proteins were observed in the cytoplasm 15 h after dibutyryl cyclic AMP treatment. The increase in cyclic AMP-binding proteins required RNA and protein synthesis. It is suggested that the 15-h lag occurs at the post-transcriptional and/or translational level. Cyclic AMP-binding proteins are found in both soluble and particulate cell fractions. Dibutyryl cyclic AMP increased binding proteins in both fractions. The control and dibutyryl cyclic AMP-induced binding proteins showed similar affinity for cyclic AMP. The data indicate that dibutyryl cyclic AMP caused the following sequential events: a 12-fold increase in cyclic AMP levels; a 40% increase in phosphodiesterase activity; and a 300% (3-fold) increase in cyclic AMP-binding proteins. It is suggested that the differentiation of mouse neuroblastoma cells involves increased levels of cyclic AMP and cyclic AMP-binding proteins.

Original languageEnglish (US)
Pages (from-to)459-469
Number of pages11
JournalBBA - General Subjects
Volume539
Issue number4
DOIs
StatePublished - Apr 3 1978

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Bucladesine
Neuroblastoma
Cyclic AMP
Carrier Proteins
RNA-Binding Proteins
Phosphoric Diester Hydrolases
Cytoplasm
Cells
RNA

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology
  • Medicine(all)

Cite this

Induction of cyclic AMP-binding proteins by dibutyryl cyclic AMP in mouse neuroblastoma cells. / Prashad, Nagindra; Rosenberg, Roger N.

In: BBA - General Subjects, Vol. 539, No. 4, 03.04.1978, p. 459-469.

Research output: Contribution to journalArticle

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abstract = "Mouse neuroblastoma cells grown in the presence of 1 mM N6, O2′-dibutyryl-cyclic AMP showed a 3-fold increase in cyclic AMP-binding proteins. The role of dibutyryl cyclic AMP in the introduction of cyclic AMP-binding proteins in these cells has been studied. Induced cyclic AMP-binding proteins were observed in the cytoplasm 15 h after dibutyryl cyclic AMP treatment. The increase in cyclic AMP-binding proteins required RNA and protein synthesis. It is suggested that the 15-h lag occurs at the post-transcriptional and/or translational level. Cyclic AMP-binding proteins are found in both soluble and particulate cell fractions. Dibutyryl cyclic AMP increased binding proteins in both fractions. The control and dibutyryl cyclic AMP-induced binding proteins showed similar affinity for cyclic AMP. The data indicate that dibutyryl cyclic AMP caused the following sequential events: a 12-fold increase in cyclic AMP levels; a 40{\%} increase in phosphodiesterase activity; and a 300{\%} (3-fold) increase in cyclic AMP-binding proteins. It is suggested that the differentiation of mouse neuroblastoma cells involves increased levels of cyclic AMP and cyclic AMP-binding proteins.",
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