Cell Senescence Induction
Cell Senescence Induction - Related Videos
08:18
Induction and Validation of Cellular Senescence in Primary Human Cells
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Cited by 55 •
2018
Here, we discuss a series of protocols for induction and validation of cellular senescence in cultured cells. We focus on different senescence-inducing stimuli and describe the quantification of common senescence-associated markers. We provide technical details using fibroblasts as a model, but the protocols can be adapted to various cellular models.
09:18
A Sensitive Method to Quantify Senescent Cancer Cells
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Cited by 39 •
2013
Whether senescence prevents or promotes tumorigenesis remains controversial. Since chemotherapeutical drugs can induce cancer cells to senesce, studying senescence is essential for proposing new therapies. However, the standard and broadly used β-galactosidase assay presents major drawbacks. We propose here a rapid and sensitive flow cytometry-based assay to quantify senescence.
06:51
Techniques to Induce and Quantify Cellular Senescence
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Cited by 180 •
2017
Cellular senescence, the irreversible state of cell-cycle arrest, can be induced by various cellular stresses. Here, we describe protocols to induce cellular senescence and methods to assess markers of senescence.
04:19
Flow Cytometry-Based Quantification of Therapy-Induced Senescent Cancer Cells
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2025
This video illustrates a flow cytometry-based assay for quantifying therapy-induced senescent cancer cells with dual senescence markers. The detection and quantification of senescent cells involve using a β-galactosidase substrate. The substrate is cleaved by active lysosomal β-galactosidase within the senescent cells, producing a fluorescent product that, in conjunction with autofluorescent lipofuscin granules, marks the senescent cancer cells.
12:08
Telomere Length and Telomerase Activity; A Yin and Yang of Cell Senescence
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Cited by 29 •
2013
An accurate, short, sophisticated and cheap method is described that assesses telomere length in multiple tissues and species using qRT-PCR. In addition, we will describe a simple assay to assess telomerase activity as a complementary backbone test for telomere length.
FAQs
The initiating stress shapes the biological model. DNA damage emphasizes checkpoint activation, oncogene activation models stress associated with abnormal growth signaling, and replicative exhaustion reflects limits reached after continued proliferation. Comparing these triggers helps investigators examine whether different routes converge on senescence-associated arrest and whether the resulting cells are relevant to aging, cancer, or tissue dysfunction.
Two checkpoint axes are especially important: p53-p21 and p16-RB. Their engagement links the initiating stress to suppression of cell-cycle progression, helping explain how cells stop proliferating during induced senescence. Studying these pathways allows medical researchers to connect the trigger with the arrest response and compare how experimental models engage tumor-suppressive mechanisms.
The senescence-associated secretory phenotype, or SASP, adds a tissue-level dimension to Cell Senescence Induction. Senescent cells may produce this phenotype alongside cell-cycle arrest, making the model useful for examining how altered cells influence surrounding tissues. This is particularly relevant when studying tissue dysfunction, age-related decline, or disease settings in which local cellular effects matter.
A practical model begins by selecting a stress that matches the research question, such as DNA damage, oncogene activation, or replicative exhaustion. Investigators then examine whether cells show the intended durable arrest and whether checkpoint pathways or SASP features accompany it. This approach links the induction condition to the biological outcome rather than treating all senescence models as interchangeable.
In medicine, induced senescence models support studies of tumor suppression, treatment responses, aging, and tissue dysfunction. Their value lies in isolating cellular consequences of a defined senescence-inducing challenge, allowing researchers to ask how cells respond to stress and how those responses relate to disease biology. The same framework can connect basic cell studies with therapeutic research.
Induced models provide a basis for investigating senolytic therapies and other strategies intended to manage age-related or disease-associated cellular decline. Researchers can use the induced state to study treatment responses and evaluate therapeutic approaches directed at the consequences of senescent cells. The medical relevance therefore extends beyond producing the model to informing strategies for cellular decline.