Calcium and neurodegeneration

Mark R. Mattson

Research output: Contribution to journalArticle

Abstract

When properly controlled, Ca2+ fluxes across the plasma membrane and between intracellular compartments play critical roles in fundamental functions of neurons, including the regulation of neurite outgrowth and synaptogenesis, synaptic transmission and plasticity, and cell survival. During aging, and particularly in neuroegenerative disorders, cellular Ca2+-regulating systems are compromised resulting in synaptic dysfunction, impaired plasticity and neuronal degeneration. Oxidative stress, perturbed energy metabolism and aggregation of disease-related proteins (amyloid β-peptide, α-synuclein, huntingtin, etc.) adversely affect Ca2+ homeostasis by mechanisms that have been elucidated recently. Alterations of Ca2+-regulating proteins in the plasma membrane (ligand- and voltage-gated Ca2+ channels, ion-motive ATPases, and glucose and glutamate transporters), endoplasmic reticulum (presenilin-1, Herp, and ryanodine and inositol triphosphate receptors), and mitochondria (electron transport chain proteins, Bcl-2 family members, and uncoupling proteins) are implicated in age-related neuronal dysfunction and disease. The adverse effects of aging on neuronal Ca2+ regulation are subject to modification by genetic (mutations in presenilins, α-synuclein, huntingtin, or Cu/Zn-superoxide dismutase; apolipoprotein E isotype, etc.) and environmental (dietary energy intake, exercise, exposure to toxins, etc.) factors that may cause or affect the risk of neurodegenerative disease. A better understanding of the cellular and molecular mechanisms that promote or prevent disturbances in cellular Ca2+ homeostasis during aging may lead to novel approaches for therapeutic intervention in neurological disorders such as Alzheimer's and Parkinson's diseases and stroke.

Original languageEnglish (US)
Pages (from-to)337-350
Number of pages14
JournalAging Cell
Volume6
Issue number3
DOIs
StatePublished - Jun 2007
Externally publishedYes

Fingerprint

Synucleins
Neuronal Plasticity
Homeostasis
Cell Membrane
Presenilins
Presenilin-1
Calcium
Amyloidogenic Proteins
Amino Acid Transport System X-AG
Inositol 1,4,5-Trisphosphate Receptors
Ryanodine
Facilitative Glucose Transport Proteins
Apolipoproteins E
Electron Transport
Energy Intake
Nervous System Diseases
Ion Channels
Synaptic Transmission
Endoplasmic Reticulum
Neurodegenerative Diseases

Keywords

  • Alzheimer's disease
  • Amyloid
  • Apoptosis
  • Endoplasmic reticulum
  • N-methyl-d-aspartate
  • Parkinson's disease
  • Presenilin

ASJC Scopus subject areas

  • Cell Biology

Cite this

Calcium and neurodegeneration. / Mattson, Mark R.

In: Aging Cell, Vol. 6, No. 3, 06.2007, p. 337-350.

Research output: Contribution to journalArticle

Mattson, Mark R. / Calcium and neurodegeneration. In: Aging Cell. 2007 ; Vol. 6, No. 3. pp. 337-350.
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