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- Presentation
Senescence: Concepts and Cosmeceuticals
Description
The presentation discusses the interconnectedness of skin health and overall body health, emphasizing the significance of understanding cellular senescence in the context of aging. The speaker highlights the importance of distinguishing between traditional anti-aging practices and regenerative medicine, advocating for a shift in terminology to focus on rejuvenation rather than mere aesthetics. Key points include the biological mechanisms of aging, such as genomic instability, telomere attrition, and autophagy, as well as the role of senescent cells which, akin to ‘zombie cells’, contribute inflammatory cytokines that exacerbate aging. The presentation introduces potential therapeutic strategies including senolytics to eliminate senescent cells and xenomorphics to control inflammation. It explores various supplements and drugs, such as metformin and rapamycin, which may extend lifespan and promote rejuvenation by targeting age-related pathways. Furthermore, it discusses the epigenome's influence on aging and the possibility of assessing biological age through DNA methylation patterns. Finally, the speaker touches upon emerging cosmeceuticals that may diminish signs of aging by addressing the hallmarks of aging at the cellular level. The overall message encourages a comprehensive view of skin and body health through the lens of aging biology.
View moreConclusions
- Skin health reflects overall body health, emphasizing the need to assess well-being in skincare evaluations.
- Senescence is an important factor in aging and skin health, with senescent cells acting as inflammatory agents.
- The immune system struggles to clear senescent cells when they accumulate, leading to chronic inflammation.
- Therapies targeting senescent cells, such as senolytics and senomorphics, offer promising anti-aging benefits by reducing inflammation and rejuvenating skin.
- Melanocytes could be the primary senescent cell type in the epidermis, contributing to skin aging and functional decline.
- Autophagy is a critical process for cellular detoxification and maintaining skin health, which can be supported through certain supplements like spermidine.
- Nutrient-sensing pathways, particularly the mTOR pathway, play a significant role in aging and can be modulated for longevity.
- Drugs like metformin and rapamycin show potential for extending lifespan and improving skin health, supporting the links between metabolic and skin aging.
- Lifestyle factors, including calorie restriction and intermittent fasting, can positively influence lifespan and skin quality.
- Topical treatments like sirolimus have been shown to reduce senescence markers in skin and enhance collagen production.
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