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September 10, 2025Toxicology Research

Influence of senescence on the sensitization potential of chemicals detected by local lymph node assays in aged mice

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Authors

KIKoji IshidaAzabu UniversityMKMao KanekiAzabu UniversityCOChiharu OhiraAzabu University

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Implication

Analysis reveals that senescence influences skin sensitization to chemicals in aged mice, suggesting important safety evaluation considerations.

Key Points

  • Findings indicate that senescence reduces skin sensitization potential to chemicals in aged mice compared to younger cohorts.
  • The study observed a dose-dependent correlation in skin sensitization across several mouse strains including C3H/He and C57BL6/N.
  • Local lymph node assays were used to evaluate sensitization potential, revealing distinct responses among different mouse strains and ages.
  • Results highlight the critical need to consider aging in toxicity assessments, as responses varied significantly between aged and younger mice.

Cite This Study

Ishida et al. (2025) studied this question.

synapsesocial.com/papers/68c1a8fe54b1d3bfb60e1c6bhttps://doi.org/10.1093/toxres/tfaf110
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  1. 1Pathomechanism of Cellular Infiltration in the Perivascular Region of Several Organs in SAMP1/Yit Mouse2009 · 6 citations
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  3. 3Social relationships and immune aging in early midlife: Evidence from the National Longitudinal Study of Adolescent to Adult Health2025 · 4 citations