Aging Biology
Aging Biology - Related Videos
09:14
An Introduction to Aging and Regeneration
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2023
Tissues are maintained through a balance of cellular aging and regeneration. Aging refers to the gradual loss of cellular function, and regeneration is the repair of damaged tissue generally mediated by preexisting adult or somatic stem cells. Scientists are interested in understanding the biological mechanisms behind these two complex processes. By doing so, researchers may be able to use somatic stem cells to treat degenerative diseases and develop therapies that could delay the effects of...
10:41
Continuous High-resolution Microscopic Observation of Replicative Aging in Budding Yeast
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Cited by 10 •
2013
We describe here the operation of a microfluidic device that allows continuous and high-resolution microscopic imaging of single budding yeast cells during their complete replicative and/or chronological lifespan.
09:10
Measuring Single-Cell Aging with an Imaging-based Biomarker of Chromatin and Epigenetic Aging
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2026
The protocol presents the imaging and computational workflow to extract and validate imaging-based chromatin and epigenetic age (ImAge).
08:18
High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
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Cited by 19 •
2020
Correction of chromatic shifts in three-dimensional (3D) multicolor fluorescence microscopy images is crucial for quantitative data analyses. This protocol is developed to measure and correct chromatic shifts in biological samples through acquisition of suitable reference images and processing with the open-source software, Chromagnon.
07:28
Synthetic Biology
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2023
This video presents synthetic biology and its role in bioengineering. Synthetic biology refers to the methods used to genetically modify organisms in order to make them capable of producing large quantities of a product. This product could be a protein that the cell already makes or a new protein that has been encoded in a newly-inserted DNA sequence. Here, we discuss how an organism's genetic material is modified using transformation or transfection. Then, the process is shown in the...
FAQs
Researchers connect inherited variants with aging by examining how they alter gene regulation and downstream cellular pathways. These genetic differences can influence DNA repair, telomere maintenance, cellular senescence, or responses to cellular stress. Comparing such effects helps explain variation in lifespan, healthspan, and susceptibility to age-related disease without treating aging outcomes as genetically uniform.
DNA repair and telomere maintenance represent distinct but connected genetic perspectives on aging. Repair pathways address damage to genetic material, whereas telomere maintenance concerns chromosome-end stability. Genetic regulation of either process can affect how cells respond to cellular stress and whether they continue functioning, enter senescence, or contribute to declining cellular function over time.
Cellular senescence is important because it marks a change in cell behavior linked to aging rather than simply a change in chronological time. Genetic studies examine how variants and gene regulation influence entry into this state and how stress responses are controlled. These findings help relate molecular changes to disease vulnerability and potential preservation of function.
Individual differences can arise because inherited variants and gene-regulatory patterns do not affect the same pathways in the same way. Their influence may appear in DNA repair, telomere maintenance, cellular senescence, or stress responses, producing differences in lifespan, healthspan, and age-related disease risk. This genetic perspective helps distinguish shared aging processes from person-specific outcomes.
Model organisms provide a research context for examining genetic contributions to aging-related processes. Investigators can study how genetic variation or altered gene regulation relates to DNA repair, telomere maintenance, cellular senescence, and cellular stress responses. Results from these systems help connect molecular mechanisms with lifespan, healthspan, and disease-related traits before broader interpretation.
Biomarkers help researchers assess molecular or cellular features associated with aging biology rather than relying only on chronological age. In genetics-focused studies, they can support evaluation of DNA repair, telomere maintenance, cellular senescence, or stress-response pathways. Their use strengthens efforts to compare individuals, connect mechanisms with outcomes, and identify changes relevant to healthy aging.
Genetic findings can guide interventions by identifying pathways that may be relevant to preserving cellular function or delaying pathology. Because inherited variants and gene regulation contribute to individual differences, the same approach may not have identical relevance for everyone. This supports personalized approaches to healthy aging while linking intervention research to measurable molecular mechanisms and disease-related outcomes.