Early-life reactive oxygen species and gene regulation influence lifespan

Naturally occurring variations in reactive oxygen species levels early in life may contribute to individual lifespan variability in a genetically identical population.

• Genetically identical animals in the same environment show significant differences in lifespan.
• Stochasticity factors are believed to play a major role in this lifespan variability.
• Variations in reactive oxygen species early in life are linked to differences in lifespan.
• These variations may act as stochasticity factors influencing aging.
• Developmental events can positively influence lifespan and stress responses through specific regulatory mechanisms.

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