DISSECTING THE HETEROGENEITY OF SENESCENCE: PROFILING PRIMARY AND SECONDARY SENESCENT STATES USING SINGLE-CELL AND SPATIAL TRANSCRIPTOMICS
2024
Understanding Cellular Senescence and Its Types
publication
Author Information
Author(s): Neretti Nicola
Primary Institution: Brown University
Hypothesis
The study investigates the differences between primary and secondary senescent states in cells.
Conclusion
The research reveals that primary senescent cells can induce secondary senescence in nearby cells, which have distinct characteristics.
Supporting Evidence
- Cellular senescence contributes to age-related decline in tissue function.
- The Senescence Associated Secretory Phenotype (SASP) is important in aging-related inflammation.
- Primary senescent cells can induce secondary senescence in nearby cells.
Takeaway
Some cells can stop dividing and make other nearby cells do the same, but they can be different in how they act.
Methodology
The study uses single-cell transcriptomics and AI/ML methods to classify cells into primary and secondary senescence.
Digital Object Identifier (DOI)
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