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Strategies for Tracking Anastasis, A Cell Survival Phenomenon that Reverses Apoptosis
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Published on: February 16, 2015

Dueling activities of AIF in cell death versus survival: DNA binding and redox activity

Stuart A Lipton1, Ella Bossy-Wetzel

  • 1Center for Neuroscience and Aging, The Burnham Institute, La Jolla, CA 92037, USA. slipton@burnham.org

Cell
|November 1, 2002
PubMed

Insights

Apoptosis-inducing factor (AIF) is a mitochondrial protein involved in cell death. New research indicates AIF has both antiapoptotic and proapoptotic functions depending on its specific region.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Apoptosis-inducing factor (AIF) is a known mitochondrial protein.
  • AIF is released into the cytoplasm during cellular apoptosis, similar to cytochrome c.

Purpose of the Study:

  • To investigate the dual role of AIF in apoptosis.
  • To elucidate the distinct functions of AIF's different molecular regions.

Main Methods:

  • The study likely involved molecular biology techniques to analyze AIF.
  • Biochemical assays were used to assess the activity of AIF regions.

Main Results:

  • A redox-active enzymatic region of AIF exhibits antiapoptotic properties.
  • A DNA-binding region of AIF demonstrates proapoptotic activity.

Conclusions:

  • AIF possesses a dual role in regulating apoptosis.
  • The function of AIF is dependent on its specific molecular domains.

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