[Anti-aging studies on the senescence accelerated mouse (SAM) strains]

Area of Science:

• Gerontology
• Animal Models
• Biomedical Research

Background:

• The Senescence Accelerated Mouse (SAM) is a murine model developed to study accelerated aging.
• SAM comprises senescence-prone (SAMP) and senescence-resistant (SAMR) substrains.
• SAMP lines exhibit premature aging phenotypes, including amyloidosis, immune dysfunction, osteoporosis, and cognitive decline.

Purpose of the Study:

• To review the diverse applications of the SAM model in anti-aging research.
• To highlight the utility of specific SAM substrains for investigating age-related pathologies and therapeutic interventions.

Main Methods:

• Utilizing various SAM substrains (SAMP1-11, SAMR) as models for accelerated senescence.
• Employing SAMP lines to evaluate the efficacy of potential anti-aging compounds and therapies.
• Leveraging specific lines like SAMP1 for antioxidant studies, SAMP8 for dementia research, and SAMP6 for osteoporosis investigations.

Main Results:

• SAM lines serve as effective models for studying age-associated diseases.
• SAMP lines are instrumental in assessing the anti-aging effects of antioxidants (e.g., coenzyme Q10, vitamin C, lycopene).
• Specific SAMP lines facilitate research into interventions for early-onset dementia and human osteoporosis.

Conclusions:

• The SAM model provides a robust platform for advancing anti-aging research.
• Different SAM substrains are commercially available and essential tools for preclinical studies.
• SAM models are critical for evaluating therapeutic strategies targeting age-related decline and diseases.