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The fight against time: can we slow down ageing? - with Carina Kern

Below is a short summary and detailed review of this video written by FutureFactual:

Blueprint Theory of Aging: A Necrosis-Centric Framework for Multi-Disease Intervention

This talk examines aging as a vast, multifactorial process and asks whether aging is universal or adjustable across species. It compares lifespans from mice to bowhead whales and humans, then explains why aging remains challenging for drug development due to its multifactorial nature and long timelines. The speaker presents the Blueprint Theory of Aging, linking molecular features to age-related diseases and multi-morbidity, and argues that targeting conserved pathological pathways could yield broad health benefits. A key focus is necrosis, a harmful form of cell death, and how blocking specific calcium channels might blunt degeneration. Early preclinical data on artificial human tissue and plans for kidney-centered trials hint at systemic anti-aging potential and space health applications.

Overview: Aging as a Systems Problem

Aging is portrayed as a vast, species-dependent process rather than a single, universal trajectory. The talk starts by comparing lifespans across animals from mice to bowhead whales and humans, illustrating that aging is not a prerequisite for life and does not manifest identically across species. It emphasizes the need to move beyond abstract definitions toward tangible, measurable aging phenotypes and age-related diseases.

From Hallmarks to Frameworks

The speaker discusses the hallmarks of aging, including mitochondrial dysfunction, genomic instability, and senescent cells. While these features are well studied, open questions remain about their origins and how they drive visible aging changes. A major point is that age-related diseases are typically multifactorial and often involve multi-morbidity, making traditional disease-by-disease drug discovery challenging.

Why No Anti-Aging Drugs Yet

AI, Exposomes, and the Search for Targets

The talk argues that artificial intelligence needs a strong framework to avoid data hallucination. The concept of the Human Exposome Project is introduced to map environmental interactions with the genome and their collective impact on aging, complementing the Human Genome Project. This section also explains why rich, well-resolved data sets are essential to identify targets that could influence multiple aging-related diseases rather than a single condition.

Blueprint Theory of Aging: A New Paradigm

The Blueprint Theory presents a dynamic view of biology as an interacting system where the same genome can yield different structures and functions depending on context. It introduces the idea of pathological pathways as short circuits that can propagate dysfunction across cells and organs. This framework helps to explain why aging and age-related diseases are multifactorial and why targeting universal, conserved pathways could yield broad therapeutic benefits.

Conserved Pathways and Therapeutic Nodes

Using finance-inspired factor modeling, the talk proposes that intervening at key nodes within pathological networks can deliver maximal protective effects. The GLP-1 pathway is discussed as a current example of a node whose modulation appears to benefit multiple age-related conditions, including neurodegeneration and hepatic and cardiovascular health, albeit with side effects that limit its use. This leads to the search for additional nodes that could be targeted systemically with fewer adverse effects.

Necrosis as a Target: A Second Node

A second target explored is necrotic cell death, a form of uncontrolled cell demise that can trigger inflammation, senescence, and fibrosis. The speaker explains that necrosis, though chaotic, can be studied and potentially modulated by controlling intracellular calcium signaling. The potential to block deleterious cell death could prevent cascading aging phenotypes across tissues and organs, offering a systemic therapeutic opportunity.

Kidney as a Model for Accelerated Aging and Space Health

The kidney is highlighted as highly susceptible to stress and a focal point for accelerated aging. The keynote connects kidney injury to broader aging phenotypes and discusses how a drug that halts necrosis could prevent acute kidney injury, fibrosis, and related disorders. This approach could dramatically shorten trial timelines by using accelerated aging models and serve as a practical stepping stone toward broader systemic benefits, including space health applications during long-duration missions.

Preclinical Data and Roadmap to Trials

Two illustrative data slides are shared. In artificial human tissue, an anti-necrotic compound significantly improved cell survival under oxidative stress, suggesting powerful, first-in-class mechanisms. In tissue engineering models, the compound blocks necrotic cores from forming, extending viability. The speaker emphasizes plans to move into human clinical trials, starting with the kidney as a model, and to pair these efforts with space health programs funded by NASA and national space agencies.

Space Health and the New Era of Aging Interventions

Beyond Earth, these strategies could help astronauts cope with extreme stresses during long missions. The talk frames necrosis-targeting therapeutics as a potential cornerstone of systemic aging interventions that could benefit both terrestrial medicine and space exploration, reinforcing the broad relevance of this research.

Takeaways and Future Directions

In closing, the talk outlines a shift toward a framework that views aging through the lens of conserved pathological pathways and actionable nodes. It highlights the promise of necrosis inhibition as a first-in-class therapeutic concept and points to a future where AI-guided, mechanism-driven strategies deliver multi-disease protection that improves healthspan and potentially supports human spaceflight.

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