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CYLD: a DUB with many talents

Sara J S Simonson1, Zhao-Hui Wu1, Shigeki Miyamoto1

  • 1Department of Pharmacology, University of Wisconsin-Madison, 1300 University Avenue, Madison, WI 53706, USA.

Developmental Cell
|November 6, 2007
PubMed

Insights

The deubiquitinating enzyme CYLD suppresses tumors by inhibiting NF-kappaB pathways. New research shows CYLD is crucial for development by dismantling specific protein chains in vertebrates and invertebrates.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Developmental Biology

Background:

  • The deubiquitinating enzyme CYLD acts as a tumor suppressor.
  • CYLD is known to inhibit pro-oncogenic NF-kappaB signaling pathways.

Purpose of the Study:

  • To investigate the role of CYLD in dismantling polyubiquitin chains.
  • To determine the necessity of CYLD for normal development in various organisms.

Main Methods:

  • Analysis of CYLD's enzymatic activity on different polyubiquitin chain types.
  • Examination of developmental processes in CYLD-deficient models.

Main Results:

  • CYLD was shown to dismantle distinct types of polyubiquitin chains.
  • CYLD was found to be essential for normal vertebrate and invertebrate development.

Conclusions:

  • CYLD's function extends beyond NF-kappaB inhibition to include critical roles in developmental processes.
  • The dismantling of specific polyubiquitin chains by CYLD is vital for organismal development.

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