Excitotoxic programmed cell death involves caspase-independent mechanisms

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Excitotoxicity is a common pathological process in many neurologic and neurodegenerative disorders, and this process involves over-stimulation of glutamate receptors and an excessive influx of calcium into cells. Cell death in excitotoxicity is unique in that, for the most part, it does not involve caspase-dependent pathways. Overactivation of poly (ADP-ribose) polymerase-1 (PARP-1) is an early pathological event in excitotoxicity that leads to a unique form of cell death called parthanatos. Biochemical events in parthanatos include early accumulation of poly (ADP-ribose) (PAR) and nuclear translocation of apoptosis inducing factor (AIF) from the mitochondria followed by nuclear accumulation of macrophage migration inhibitory factor (MIF). MIF’s nuclease activity serves as the final executioner in excitotoxicity by shredding genomic DNA. Interfering with PARP activation, PAR signaling or MIF nuclease activity offers therapeutic interventions that could protect against a variety of neuronal injury due to a variety of insults involving glutamate excitotoxicity.

Original languageEnglish (US)
Title of host publicationAcute Neuronal Injury
Subtitle of host publicationThe Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition
PublisherSpringer International Publishing
Pages3-17
Number of pages15
ISBN (Electronic)9783319774954
ISBN (Print)9783319774947
DOIs
StatePublished - Jan 1 2018

Fingerprint

nucleases
caspases
Cell death
Caspases
cell death
Cell Death
apoptosis
Apoptosis Inducing Factor
Macrophage Migration-Inhibitory Factors
Poly Adenosine Diphosphate Ribose
shredding
NAD ADP-ribosyltransferase
Mitochondria
nervous system diseases
Poly(ADP-ribose) Polymerases
ribose
Glutamate Receptors
neurodegenerative diseases
Pathologic Processes
Nervous System Diseases

Keywords

  • Apoptosis inducing factor (AIF)
  • Glutamate
  • Macrophage migration inhibitory factor (MIF)
  • Parthanatos
  • Poly (ADP-ribose) (PAR)
  • Poly (ADP-ribose) polymerase-1 (PARP-1)

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Dawson, T. M., & Dawson, V. (2018). Excitotoxic programmed cell death involves caspase-independent mechanisms. In Acute Neuronal Injury: The Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition (pp. 3-17). Springer International Publishing. https://doi.org/10.1007/978-3-319-77495-4_1

Excitotoxic programmed cell death involves caspase-independent mechanisms. / Dawson, Ted M; Dawson, Valina.

Acute Neuronal Injury: The Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition. Springer International Publishing, 2018. p. 3-17.

Research output: Chapter in Book/Report/Conference proceedingChapter

Dawson, TM & Dawson, V 2018, Excitotoxic programmed cell death involves caspase-independent mechanisms. in Acute Neuronal Injury: The Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition. Springer International Publishing, pp. 3-17. https://doi.org/10.1007/978-3-319-77495-4_1
Dawson TM, Dawson V. Excitotoxic programmed cell death involves caspase-independent mechanisms. In Acute Neuronal Injury: The Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition. Springer International Publishing. 2018. p. 3-17 https://doi.org/10.1007/978-3-319-77495-4_1
Dawson, Ted M ; Dawson, Valina. / Excitotoxic programmed cell death involves caspase-independent mechanisms. Acute Neuronal Injury: The Role of Excitotoxic Programmed Cell Death Mechanisms: Second Edition. Springer International Publishing, 2018. pp. 3-17
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