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Transcriptional regulation by cAMP.

K A Lee1

  • 1Imperial Cancer Research Fund, Potters Bar, Hertfordshire, UK.

Current Opinion in Cell Biology
|December 1, 1991
PubMed
Summary

Cyclic AMP (cAMP) controls cell functions via protein kinase A (PKA). This review details how cAMP-response-element-binding protein links PKA to gene transcription, impacting mammalian development.

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Area of Science:

  • Molecular Biology
  • Cellular Signaling
  • Gene Regulation

Background:

  • Cyclic AMP (cAMP) is a crucial second messenger regulating diverse cellular processes.
  • cAMP exerts its effects primarily through cAMP-dependent protein kinase A (PKA).
  • Altered gene transcription is a common outcome of PKA activation.

Purpose of the Study:

  • To review the role of cAMP-response-element-binding protein (CREB) in mediating cAMP/PKA signaling.
  • To elucidate how CREB couples PKA to the transcriptional machinery.
  • To examine the control mechanisms of cAMP signaling during mammalian development.

Main Methods:

  • Literature review of studies on cAMP signaling, PKA, and CREB.
  • Analysis of molecular mechanisms linking PKA to gene transcription.
  • Synthesis of findings related to CREB function in mammalian development.

Main Results:

  • CREB is a key nuclear substrate for PKA, explaining many signaling pathway advances.
  • CREB acts as a critical link between PKA and the regulation of gene transcription.
  • Understanding CREB function is vital for comprehending cAMP-mediated developmental processes.

Conclusions:

  • CREB is central to translating cAMP signals into transcriptional changes.
  • Mechanisms controlling cAMP/PKA/CREB signaling are essential for mammalian development.
  • This review highlights CREB's pivotal role in cellular regulation and development.

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