Aging w/ Metformin, Rapamycin & More: Longevity Researcher Tells All

Autophagy

Autophagy, a crucial cellular process, plays a significant role in aging by recycling damaged molecules, thus maintaining cellular health. Matt Kaeberlein explains that while high levels of autophagy are linked to healthier aging, they can also be associated with pathological conditions, highlighting the importance of balanced autophagy cycles 1. He notes that oxidative stress can push cells into a senescent state, releasing pro-inflammatory signals 2.

Autophagy is one important mechanism that the cell has for repairing damage that has accumulated over time.

--- Matt Kaeberlein

Mike Mutzel adds that lifestyle factors, such as exercise, can influence autophagy levels, emphasizing the need for context-specific understanding 3.

   

mTOR Pathway

The mTOR pathway is pivotal in aging, with its unregulated expression driving age-related decline. Matt Kaeberlein discusses how drugs like Rapamycin can modulate mTOR activity, potentially reversing aging effects by reducing senescence-associated inflammation 4. He describes the aging process as a complex network, with mTOR being a central target for interventions that could enhance lifespan and healthspan 5.

It's the continued expression of things like the mTOR pathway that are what really is driving aging.

--- Matt Kaeberlein

Mike Mutzel highlights the potential of targeting multiple aging hallmarks through lifestyle and dietary interventions 6.