How Aging Affects Gene Expression in Tissues
Author Information
Author(s): Wang Qi, Huang Jianhua, Zhang Xinmin, Wu Bin, Liu Xiaoyu, Shen Ziyin
Primary Institution: Huashan Hospital, Fudan University, Shanghai, China
Hypothesis
The spatial association of gene expression evolves from synchrony to asynchrony and stochasticity with age.
Conclusion
The study found that tissue coordination declines with age, leading to increased risk for age-related diseases.
Supporting Evidence
- Male mice showed earlier spatial asynchrony in gene expression than females.
- Anti-aging interventions like resveratrol improved tissue coordination.
- Gene expression changes were analyzed across multiple tissues and ages.
- Spatial association of gene expression declined significantly with age.
Takeaway
As animals get older, their body tissues don't work together as well, which can lead to health problems.
Methodology
The study analyzed genome-wide spatio-temporal gene expression profiles in rats, mice, and Drosophila across different ages.
Potential Biases
Potential biases in gene expression data due to the use of different species and experimental conditions.
Limitations
The study primarily focused on three species and may not generalize to all multicellular organisms.
Participant Demographics
The study included male and female mice, rats, and Drosophila at various ages.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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