Encyclopedia of Signaling Molecules

2018 Edition
| Editors: Sangdun Choi

Apoptosis-Inducing Factor 1, Mitochondrial

  • Patricia Ferreira
  • Raquel Villanueva
  • Marta Martínez-Júlvez
  • Milagros Medina
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-67199-4_101522

Synonyms

Historical Background

Mitochondria play a central role in both cellular redox metabolism and programmed cell death (PCD) induction, since they contain certain agents relevant in these two key cellular functions. Among them is the apoptosis-inducing factor (AIF), initially described as the first caspase-independent apoptotic inducer provoking PCD after liberation from mitochondria (Susin et al. 1999). In healthy cells, AIF is found in the mitochondrial intermembrane space (IMS), where it also has a vital role in the redox metabolism of this organelle that is not well described yet. AIF is released from the IMS to the cytosol in response to apoptotic stimuli and then translocated into the nucleus, where it acts as a proapoptotic factor.

AIFM1 Processing and Localization in the Cell

The canonical human AIF mitochondrion associated 1 (AIFM1) gene is located on chromosome X and codifies for a protein that is...
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Notes

Acknowledgments

We thank Luis Martinez Lostao (University of Zaragoza) for helping us with the graphical illustration in Figure 1.

References

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Patricia Ferreira
    • 1
  • Raquel Villanueva
    • 1
  • Marta Martínez-Júlvez
    • 1
  • Milagros Medina
    • 1
  1. 1.Department of Biochemistry and Molecular and Cellular BiologyInstitute for Biocomputation and Physics of Complex Systems, University of ZaragozaZaragozaSpain