Cited by 85Genetics, Aging, and Longevity in Model OrganismsAging and Gerontology ResearchAntioxidants, Aging, Portulaca oleracea

Deletion of the life span determinant p66Shc prevents age-dependent increases in emotionality and pain sensitivity in mice

Berry, Alessandra, Capone, Francesca, Giorgio, Marco, Pelicci, Pier Giuseppe, de Kloet, E.R., Alleva, Enrico, Minghetti, Luisa, Cirulli, Francesca·2007·Experimental Gerontology

Abstract

Oxidative stress has been implicated in the aging process. Previous studies have determined that mice with a targeted mutation of the p66(Shc) gene show reduced oxidative stress and extended life span. This study is the first behavioral characterization of mice carrying a deletion of p66(Shc). Four-, 11- and 24-months-old homozygous knockout and wild-type mice of the 129Sv/Ev strain underwent a battery of behavioral tests. Locomotion and exploratory activity were tested in the open-field test, emotional reactivity was assessed in the elevated plus-maze, while nociception was evaluated by means of the hot-plate test (50 degrees C). In addition, social behavior was assessed in a social interaction test. Our results indicate that pain sensitivity and emotional behavior in wild-type mice increase with age. Deletion of the p66 gene results in an increase in pain threshold and reduced emotionality, differences with wild-type subjects becoming more pronounced with age. Thus reduced oxidative stress throughout the life span is able to prevent some behavioral effects of aging, particularly in response to painful or emotionally arousing stimuli. These data are discussed in relation to recent views, indicating new and complex interactions between oxidative stress and emotional stress.

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Crossref · 10.1016/j.exger.2006.05.018

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Authors
Berry, A., Capone, F., Giorgio, M., Pelicci, P. G., de Kloet, E. R., Alleva, E., Minghetti, L., & Cirulli, F.
Affiliations
  • Leiden University (NL)
  • Istituto Superiore di Sanità (IT)
  • European Institute of Oncology (IT)
Corresponding author
Cirulli, Francesca
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2007-01
Volume
42
Issue
1-2
Pages
37-45
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2049452174
Cited by
81
References
41
Citations by year
2026: 2 · 2024: 4 · 2023: 4 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 6 · 2017: 4 · 2016: 9 · 2015: 5 · 2014: 7 · 2013: 7 · 2012: 4
FWCI
0.83
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Social Sciences › Psychology › Neuropsychology and Physiological Psychology › Aging and Gerontology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Antioxidants, Aging, Portulaca oleracea
Keywords
p66Shc, oxidative stress, aging, knockout mice, emotionality, pain sensitivity, nociception, emotional reactivity, social behavior, locomotion, exploratory activity, emotional stress, lifespan
MeSH terms
Src Homology 2 Domain-Containing, Transforming Protein 1, Aging, Animals, Behavior, Animal, Emotions, Longevity, Male, Mice, Inbred Strains, Pain, Pain Threshold, Mice, Knockout, Models, Animal, Adaptor Proteins, Signal Transducing, Mice, Shc Signaling Adaptor Proteins

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