Related Experiment Video
Updated: Jul 21, 2025
06:51
Techniques to Induce and Quantify Cellular Senescence
Published on: May 1, 2017
33.5K
Senescent Stem Cell Dysfunction and Age-Related Diseases
1Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Nankai, Tianjin, China.
Stem Cells and Development
|July 27, 2023
Summary
Stem cell senescence, a hallmark of aging, drives tissue dysfunction and disease. Targeting stem cell aging offers a promising therapeutic strategy for age-related conditions.
Area of Science:
- Gerontology
- Stem Cell Biology
- Regenerative Medicine
Background:
- Aging is characterized by a decline in cellular and tissue function, increasing disease susceptibility.
- Stem cell senescence, marked by reduced activity or number, is a key driver of organismal aging.
- Understanding stem cell aging is crucial for developing interventions against age-related diseases.
Purpose of the Study:
- To review the relationship between stem cell senescence and tissue aging.
- To explore the link between stem cell senescence and age-related diseases.
- To focus on four critical stem cell types: hematopoietic, mesenchymal stromal/stem cells (MSCs), intestinal, and muscle stem cells.
Main Methods:
- Literature review of studies on stem cell senescence.
- Analysis of the role of stem cell senescence in aging tissues.
- Examination of disease associations with stem cell senescence.
Main Results:
- Stem cell senescence is a significant contributor to the aging process across various tissues.
- Dysfunctional stem cells exacerbate age-related tissue degeneration and disease.
- Specific stem cell populations (hematopoietic, MSCs, intestinal, muscle) show distinct aging phenotypes.
Conclusions:
- Preventing or reversing stem cell senescence is a potential therapeutic avenue for aging.
- Targeting stem cell aging could lead to novel treatments for age-related diseases.
- Further research into stem cell senescence mechanisms is warranted for effective anti-aging therapies.
More Related Videos
07:39SA-β-Galactosidase-Based Screening Assay for the Identification of Senotherapeutic Drugs
Published on: June 28, 2019
24.0K
08:56Simultaneous Imaging and Flow-Cytometry-based Detection of Multiple Fluorescent Senescence Markers in Therapy-Induced Senescent Cancer Cells
Published on: July 12, 2022
3.0K
Related Concept Videos
01:19The Effect of Aging on Tissues
2.2K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
2.2K
01:26Aging
88
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...
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...
88
01:26Stem Cell Niche
5.2K
The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
5.2K
01:17Stem Cell Culture
5.2K
Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
5.2K
01:23Tissue Renewal without Stem Cells
1.7K
After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
However, failure of such a system...
1.7K
01:37Mitochondria
13.8K
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,...
13.8K