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Ageing as a risk factor for ALS/FTD.

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Ageing significantly increases the risk of developing Amyotrophic Lateral Sclerosis/Frontotemporal Dementia (ALS/FTD). Shared biological pathways, including autophagy and inflammation, link ageing to ALS/FTD pathogenesis.

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Area of Science:

  • Neurodegenerative diseases
  • Molecular biology of ageing
  • Genetics of ALS/FTD

Background:

  • Age is a primary risk factor for Amyotrophic Lateral Sclerosis/Frontotemporal Dementia (ALS/FTD).
  • Recent genetic discoveries reveal pathways involved in ALS/FTD development.
  • These pathways show significant overlap with known ageing modulation processes.

Purpose of the Study:

  • To explore the connection between ageing and the molecular mechanisms underlying ALS/FTD.
  • To identify shared pathways implicated in both the ageing process and ALS/FTD pathogenesis.

Main Methods:

  • Review of recent genetic advances in ALS/FTD.
  • Analysis of overlapping pathways between ageing and ALS/FTD.
  • Focus on cellular maintenance and systemic processes.

Main Results:

  • ALS/FTD-linked genes are directly involved in autophagy/lysosomal degradation, a key ageing pathway.
  • Systemic processes like inflammation are linked to both ageing and ALS/FTD.
  • Cellular maintenance pathways, including RNA splicing and nuclear-cytoplasmic transport, are implicated in both conditions.

Conclusions:

  • Significant overlap exists between the biological mechanisms of ageing and ALS/FTD.
  • Understanding these shared pathways may reveal novel therapeutic targets for ALS/FTD.
  • Age-related cellular dysfunction is a critical factor in ALS/FTD development.