From Treatment to Prevention: The Paradigm Shift of Geroscience
Abstract: In recent decades, biomedical research has progressively recognized aging not only as a natural process but also as a major risk factor for the development of numerous chronic diseases. Geroscience has emerged as an interdisciplinary field that investigates the biological mechanisms underlying aging, aiming to understand how these processes contribute to the onset of diseases such as cardiovascular diseases, diabetes, cancer, and neurodegenerative disorders. Through the paradigm of the hallmarks of aging, geroscience proposes an innovative approach to preventive medicine: intervening in the common biological processes of aging to delay the onset of multiple diseases simultaneously. This article analyzes the main biological mechanisms of aging and discusses the potential role of geroscience in redefining the future of medicine.
Keywords: #geroscience; #biologicalaging; #hallmarksofaging; #longevitymedicine #prevention #KatiusciaVella #ethicasocietas #ethicasocietasjournal #scientificjournal #humanities #socialsciences #ethicasocietasupli
Introduction
In recent decades, advances in medicine have significantly improved the diagnosis and treatment of chronic diseases. However, many of these conditions continue to increase with age, posing a growing challenge for global healthcare systems.
Conditions such as cardiovascular diseases, type 2 diabetes, cancer, neurodegenerative disorders, and frailty are strongly associated with aging. Based on this evidence, geroscience has developed as a discipline aimed at understanding the biological mechanisms of aging and their role in the development of chronic diseases.
The central hypothesis of geroscience is that many diseases share common biological processes related to the functional decline of cells and tissues.
The Biological Mechanisms of Aging
One of the most influential theoretical models in aging research is represented by the hallmarks of aging, which identify the key processes responsible for the progressive deterioration of biological systems.
Among the most studied mechanisms are:
▪︎ Genomic instability
▪︎ Telomere shortening
▪︎ Mitochondrial dysfunction
▪︎ Chronic inflammation
▪︎ Cellular senescence
▪︎ Metabolic alterations
These processes do not act in isolation but are deeply interconnected, jointly contributing to the decline of cellular and tissue functionality.
Aging as a Risk Factor for Chronic Diseases
One of the most significant contributions of geroscience is recognizing aging as the primary biological risk factor for numerous chronic conditions.
The risk of developing conditions such as cardiovascular disease, Alzheimer’s disease, cancer, and type 2 diabetes increases significantly with age. From this perspective, these conditions do not represent independent events but rather different clinical manifestations of the same process: the progressive deterioration of biological systems.
Mitochondria and Cellular Metabolism
Mitochondrial function is a central focus of geroscience research. Mitochondria, responsible for energy production in the form of ATP, play a crucial role in regulating cellular metabolism, oxidative stress, and cell survival processes.
With advancing age, mitochondrial efficiency tends to decline, resulting in:
▪︎ Reduced energy production
▪︎ Increased oxidative stress
▪︎ Metabolic alterations
Consequently, many studies focus on metabolic pathways involved in maintaining mitochondrial function, including NAD⁺ metabolism, sirtuins, mitochondrial biogenesis, and cellular repair mechanisms.
From the Biology of Aging to Preventive Medicine
A primary goal of geroscience is translating knowledge of the biology of aging into preventive and therapeutic strategies.
The main research areas include:
▪︎ Modulation of energy metabolism
▪︎ Regulation of cellular senescence
▪︎ Control of chronic inflammation
▪︎ Maintenance of mitochondrial function
The aim is not to eliminate aging but to promote healthy aging, i.e., aging characterized by greater autonomy, biological resilience, and quality of life. In this sense, geroscience contributes to shifting the focus from treating individual diseases to promoting health throughout the lifespan.
Conclusions
Geroscience represents an innovative perspective in understanding the relationship between biological aging and chronic diseases. By studying the cellular mechanisms that drive aging, it aims to identify strategies capable of improving health and reducing the burden of age-related conditions.
Although much research is still ongoing, this field is already helping to redefine the medical paradigm, orienting it toward preventive medicine focused on the fundamental processes of aging.
REFERENCES
Campisi, J., et al. (2019). From discoveries in ageing research to therapeutics for healthy ageing. Nature, 571(7764), 183–192.
Kennedy, B. K., et al. (2014). Geroscience: Linking aging to chronic disease. Cell, 159(4), 709–713.
López-Otín, C., et al. (2013). The hallmarks of aging. Cell, 153(6), 1194–1217.
Partridge, L., Deelen, J., & Slagboom, P. E. (2018). Facing up to the global challenges of ageing. Nature, 561(7721), 45–56.
Sierra, F., & Kohanski, R. (2017). Geroscience and the trans-NIH geroscience interest group. Gerontology, 63(3), 255–259.
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