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Updated: Aug 26, 2026

Real-Time Fluorescent Measurement of Synaptic Functions in Models of Amyotrophic Lateral Sclerosis
Published on: July 16, 2021
[Molecular mechanisms of amyotrophic lateral sclerosis: recent contributions from studies in animal models]
L Dupuis1, A Muller, V Meininger
1Laboratoire de Signalisations Moléculaires et Neurodégénérescence, EA3433, Faculté de Medecine, Strasbourg.
Abstract:
Amyotrophic Lateral Sclerosis is a neurodegenerative condition defined by loss of both upper and lower motor neurons. The molecular mechanisms underlying this pathology are currently elucidated using transgenic mice lines expressing mutated alleles of the copper-zinc superoxide dismutase, an enzyme mutated in about 2 p. cent of ALS cases. These transgenic mice also provide a valuable animal model to set up new therapeutic tools.
Insights
Amyotrophic Lateral Sclerosis (ALS) involves motor neuron loss. Transgenic mouse models with mutated copper-zinc superoxide dismutase are crucial for understanding ALS molecular mechanisms and developing therapies.
Area of Science:
- Neuroscience
- Genetics
Context:
- Amyotrophic Lateral Sclerosis (ALS) is a progressive neurodegenerative disease characterized by the loss of motor neurons.
- Approximately 2% of ALS cases are linked to mutations in the copper-zinc superoxide dismutase (SOD1) gene.
Purpose:
- To investigate the molecular mechanisms of Amyotrophic Lateral Sclerosis.
- To utilize transgenic mouse models for studying neurodegeneration.
Summary:
- Transgenic mouse lines expressing mutated SOD1 alleles are employed to elucidate the molecular underpinnings of ALS.
- These models facilitate research into the pathology of motor neuron degeneration.
Impact:
- These transgenic mice serve as a valuable preclinical model for developing and testing novel therapeutic strategies for ALS.
- Advancing the understanding of ALS pathogenesis through genetic models.

