Cited by 39Genetics, Aging, and Longevity in Model OrganismsGenomics, phytochemicals, and oxidative stressPhytochemicals and Antioxidant Activities

Peptides from sesame cake extend healthspan of Caenorhabditis elegans via upregulation of skn-1 and inhibition of intracellular ROS levels

Wang, Zhuanhua, Ma, Xiaoli, Li, Jiao, Cui, Xiaodong·2016·Experimental Gerontology

Abstract

The peptides from sesame cake (PSC) which are the main by-product of agricultural processing of sesame were prepared. To evaluate benefits of PSC for health and longevity, antioxidant activity and anti-aging effects were studied in vitro and in a Caenorhabditis elegans (C. elegans) model system. PSC exhibited antioxidant activity in vitro, and induced beneficial effects on lifespan and several health parameters of C.elegans, including pharyngeal pumping rate, locomotion and lipofuscin accumulation. In a mev-1 mutant, PSC increased lifespan, and it enhanced oxidative stress tolerance in wild-type nematodes. After treatment with PSC, SOD activity, GSH content, and GSH/GSSG ratio were increased, leading to low intracellular ROS levels in C. elegans. PSC up-regulated skn-1 mRNA, and its target gene gcs-1, and abolished the extension of lifespan in skn-1 mutant, indicating that PSC-mediated longevity is dependent on activation of the skn-1/Nrf-2 transcription factor. Current results warrant research into the use of PSC as nutraceuticals for overall health improvement.

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Crossref · 10.1016/j.exger.2016.07.001

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Authors
Wang, Z., Ma, X., Li, J., & Cui, X.
Affiliations
Shanxi University (CN)
Corresponding author
  • Wang, Zhuanhua
  • Cui, Xiaodong
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2016-09
Volume
82
Pages
139-149
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2473171234
Cited by
39
References
56
Citations by year
2026: 2 · 2025: 5 · 2024: 3 · 2023: 1 · 2022: 2 · 2021: 7 · 2020: 2 · 2019: 10 · 2018: 5 · 2017: 2
FWCI
3.05
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Sciences Foundation of China (31171659, 31300653)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
Keywords
healthspan extension, longevity, Caenorhabditis elegans, oxidative stress resistance, reactive oxygen species, antioxidant activity, lipofuscin accumulation, glutathione, superoxide dismutase, nutraceuticals, agricultural by-products
MeSH terms
Animals, Antioxidants, DNA-Binding Proteins, Longevity, Peptides, Transcription Factors, Signal Transduction, Up-Regulation, Caenorhabditis elegans, Reactive Oxygen Species, Oxidative Stress, Dietary Supplements, Caenorhabditis elegans Proteins, Sesamum

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