Abstract:
:Chronic inflammation and oxidative stress increase with advancing age and appear to be involved in the pathogenesis of coronary heart disease, the leading cause of death worldwide. There is a need for animal models that reflect the increases in pro-inflammatory cytokines and oxidative damage observed during aging in humans. We therefore aimed to investigate the suitability of the fast-aging senescence-accelerated mouse-prone 8 (SAMP8) strain and its normally aging control senescence-accelerated mouse-resistant 1 (SAMR1) to study the age-dependent changes in cytokines, oxidative damage and antioxidants in the heart. To this end, 2-months-old male SAMR1 and SAMP8 mice were fed a Western type diet (control groups) for 5 months. Two groups of SAMP8 mice were simultaneously fed identical diets fortified with 0.5 g curcumin or 1.0 g Ginkgo biloba extract EGb 761(®) per kg diet. Heart tissue homogenates were analysed for protein carbonyls, glutathione, glutathione disulfide, methionine, cysteine and uric acid as well as the cytokines tumor-necrosis factor-α, interleukin-1β, interleukin-6, and monocyte chemoattractant protein 1. Neither the strain (SAMR1 or SAMP8) nor antioxidant intake (curcumin or EGb 761(®)) affected the concentrations of the measured parameters. In conclusion, our data do not support the suitability of the SAMP8 and SAMR1 strains as a model to study age-related changes in pro-inflammatory cytokines and oxidative stress parameters in the heart.
journal_name
Curr Pharm Biotechnoljournal_title
Current pharmaceutical biotechnologyauthors
Schiborr C,Eckert GP,Weissenberger J,Müller WE,Schwamm D,Grune T,Rimbach G,Frank Jdoi
10.2174/138920110793262006subject
Has Abstractpub_date
2010-12-01 00:00:00pages
861-7issue
8eissn
1389-2010issn
1873-4316pii
BSP/CPB/E-Pub/0111-11-8journal_volume
11pub_type
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journal_title:Current pharmaceutical biotechnology
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更新日期:2002-09-01 00:00:00
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