Ageing as an Important Risk Factor for Cancer

Area of Science:

• Gerontology
• Oncology
• Molecular Biology
• Cancer Research

Background:

• Globally, developed nations face an ageing population, a demographic shift with significant biomedical and social implications.
• The incidence of cancer is strongly associated with aging, predicting an epidemic-like rise in malignant tumors.
• Elderly individuals often present with polymorbidity, complicating cancer treatment and raising medical, social, and economic concerns.

Purpose of the Study:

• To summarize current data on molecular mechanisms contributing to rapid tumor progression in the elderly population.
• To explore potential genetic and epigenetic factors influencing cancer spread in aging individuals.
• To identify the role of cancer stroma as a prospective therapeutic target in elderly cancer patients.

Main Methods:

• Review and synthesis of existing biomedical literature on aging and cancer.
• Analysis of molecular mechanisms, including DNA repair and epigenetic alterations.
• Investigation into the role of the tumor microenvironment, specifically cancer stroma.

Main Results:

• Reduced activity of DNA repair machinery is identified as a likely genetic contributor to increased tumor spread in the elderly.
• Epigenetic mechanisms are also implicated in influencing the progression of cancer in aging populations.
• The cancer stroma plays a crucial role in regulating diverse tumor properties, presenting a promising area for research.

Conclusions:

• The ageing population presents a growing challenge for cancer treatment and social sustainability.
• Understanding the molecular underpinnings, including DNA repair, epigenetics, and cancer stroma, is critical for addressing age-related cancer.
• Targeting cancer stroma offers potential therapeutic avenues for improving outcomes in elderly cancer patients.