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Phosphorylation-specific prolyl isomerization: is there an underlying theme?

Gerburg Wulf1, Greg Finn, Futoshi Suizu

  • 1Cancer Biology Program, Division of Hematology/Oncology, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, 77 Avenue Louis Pasteur, NRB 1030, Boston, MA 02115, USA. gwulf@bidmc.harvard.edu <gwulf@bidmc.harvard.edu>

Nature Cell Biology
|May 4, 2005
PubMed
Summary
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The enzyme Pin1 regulates crucial cell processes by isomerizing phosphorylated motifs. This unique function impacts signaling pathways relevant to cancer and Alzheimer's disease.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • The enzyme Pin1 (prolyl isomerase) is vital for numerous biological processes.
  • Pin1 plays a role in diseases like cancer and Alzheimer's disease.
  • It catalyzes cis-trans isomerization of phosphorylated serine/threonine-proline motifs (pSer/Thr-Pro).

Purpose of the Study:

  • To provide an overview of regulatory events involving Pin1.
  • To focus on Pin1's role in oncogenic signaling and neurodegeneration.

Main Methods:

  • Review of existing literature on Pin1.
  • Analysis of Pin1's catalytic mechanism and functional consequences.
  • Examination of Pin1's involvement in specific disease pathways.

Related Experiment Videos

Main Results:

  • Pin1's isomerization activity profoundly affects phosphorylation signaling.
  • Structural and functional changes from isomerization underpin Pin1's actions.
  • Pin1-mediated prolyl isomerization is a unique signaling modulation mechanism.

Conclusions:

  • Pin1 is a key regulator of signal transduction.
  • Understanding Pin1's diverse roles is critical for targeting cancer and neurodegenerative diseases.
  • Further research into Pin1-dependent regulatory events is warranted.