Related Experiment Video
Updated: Apr 25, 2026

06:51
Techniques to Induce and Quantify Cellular Senescence
Published on: May 1, 2017
34.2K
Summary
Stem cells undergo senescence, a key factor in aging, impacting their self-renewal and tissue repair functions. Understanding stem cell senescence offers new avenues for regenerative medicine and treating age-related diseases.
Area of Science:
- Stem cell biology
- Gerontology
- Regenerative Medicine
Background:
- Stem cells are vital for tissue homeostasis and repair, possessing self-renewal capacity.
- Recent research indicates stem cells undergo senescence, a process implicated in organismal aging.
- Both senescence and apoptosis are crucial anti-cancer mechanisms for stem cells.
Purpose of the Study:
- To review recent discoveries concerning stem cell senescence.
- To explore the implications of stem cell senescence for aging and regenerative medicine.
- To discuss the impact of aging on stem cell function and potential reversibility.
Main Methods:
- Review of recent scientific literature on stem cell senescence.
- Analysis of the roles of senescence and apoptosis in stem cell regulation.
- Examination of age-related changes in stem cell genome, epigenome, and proteome.
Main Results:
- Stem cell senescence plays a critical role in organismal aging.
- Mechanisms preventing cancer can lead to stem cell number and function decline with age.
- Epigenomic and proteomic changes in stem cells are potentially reversible.
Conclusions:
- Stem cell senescence is central to aging processes and stem cell-based therapies.
- Understanding stem cell aging is crucial for developing regenerative medicine strategies.
- Interventions targeting stem cell senescence could treat age-related diseases and enhance regeneration.
Related Concept Videos
Replicative Cell Senescence
3.5K
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...
3.5K
Replicative Cell Senescence
3.0K
3.0K
Stem Cell Culture
4.5K
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...
4.5K
Multipotency of Hematopoietic Stem Cells
3.1K
The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
3.1K
Stem Cell Niche
5.0K
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...
5.0K
Tissue Renewal without Stem Cells
1.6K
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...
1.6K

