The drug discovery and therapeutic nano-strategies targeting cellular senescence

Yumei Wang1, Mingqi Liu2, Xinzhao Chen3

  • 1Department of Pharmaceutics, College of Pharmacy, Army Medical University, Chongqing, 400038, China.

Materials Today. Bio
|November 14, 2025
PubMed

Insights

Cellular senescence, driven by accumulating senescent cells (SnCs), drives aging and related diseases. Nanotechnology offers novel drug delivery systems (NDDS) to target SnCs for effective anti-aging therapies.

Area of Science:

  • Gerontology and Nanomedicine: Interdisciplinary approach to aging and disease treatment.

Background:

  • Cellular senescence, characterized by accumulating senescent cells (SnCs), is a key driver of aging and associated pathologies.
  • Current anti-aging strategies include senolytic and senomorphic drugs, NAD+ enhancers, and immunomodulatory therapies.

Purpose of the Study:

  • To review molecular mechanisms of cellular senescence.
  • To analyze therapeutic strategies, focusing on nanotechnology-based drug delivery systems (NDDS) for targeting SnCs.
  • To explore applications in aging-related diseases like neurodegenerative, cardiovascular, and fibrotic conditions.

Main Methods:

  • Comprehensive literature review of cellular senescence mechanisms and therapeutic interventions.
  • Analysis of NDDS design principles, formulation, and targeted delivery strategies for SnCs.
  • Examination of nano-strategies for treating specific aging-related diseases.

Main Results:

  • Senolytic and senomorphic drugs, NAD+ enhancers, and immunotherapies show promise in targeting senescence.
  • Engineered NDDS offer advanced approaches for drug loading, targeted delivery, and stimuli-responsive release to SnCs.
  • Nano-strategies demonstrate potential across diverse aging-related diseases, including neurodegeneration and cancer.

Conclusions:

  • Targeting cellular senescence with NDDS presents significant therapeutic potential for aging-related diseases.
  • Further research and SWOT analysis are crucial for optimizing nano-strategies and advancing precision medicine in aging.
  • Developing innovative and effective approaches for aging-related disease management is the ultimate goal.

Related Concept Videos

Replicative Cell Senescence02:15

Replicative Cell Senescence

Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while preventing excessive proliferation. Replicative senescence is associated with the gradual loss of the telomere — short, repetitive DNA sequences found at the end of the chromosomes. Telomeres are bound by a group of proteins to form a protective cap on the ends of chromosomes. Embryonic stem cells express telomerase — an enzyme that adds...
4.3K
Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
10.9K
Mitochondria01:37

Mitochondria

Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
19.5K
siRNA - Small Interfering RNAs02:30

siRNA - Small Interfering RNAs

Small interfering RNAs, or siRNAs, are short regulatory RNA molecules that can silence genes post-transcriptionally, as well as the transcriptional level in some cases. siRNAs are important for protecting cells against viral infections and silencing transposable genetic elements.
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...
18.3K
Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
18.4K
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
577