Strategies for senolytic drug discovery

Area of Science:

• Gerontology and Pharmacology
• Cellular Biology and Aging Research

Background:

• Cellular senescence contributes to chronic and age-related diseases.
• The field of senolytics has rapidly expanded since 2015.
• Senolytic drugs offer a therapeutic strategy to mitigate senescence-associated pathologies.

Purpose of the Study:

• To review and categorize known senolytic agents.
• To discuss methodologies for screening and identifying novel senolytics.
• To highlight recent advancements and future directions in senolytic drug discovery.

Main Methods:

• Categorization of senolytic agents including kinase inhibitors, Bcl-2 inhibitors, polyphenols, and others.
• Analysis of diverse screening approaches, senescence induction methods, target cells, and assays.
• Review of recent advances in single-cell analysis and computational identification methods.

Main Results:

• A broad spectrum of senolytic drug categories has been identified.
• Screening methodologies vary significantly, impacting outcome quality.
• Robust screening requires validated systems, controls, and assays.

Conclusions:

• Significant potential exists for discovering new senolytic drugs.
• Further research into drug targets and mechanisms is crucial.
• Rigorous preclinical and clinical evaluation is necessary for senolytic therapies.