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Updated: Jan 21, 2026

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An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations
Published on: November 3, 2010
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Genetic basis for skin youthfulness
Kelsey S Flood1, Neil A Houston2, Kevin T Savage3
1Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA.
Clinics in Dermatology
|July 27, 2019
Summary
Intrinsic genetic factors like single nucleotide polymorphisms and epigenetic changes drive skin aging. Understanding these mechanisms is key to developing future therapies for youthful skin.
Area of Science:
- Dermatology
- Genetics
- Molecular Biology
Background:
- Skin aging results from intrinsic (genetic) and extrinsic (environmental) factors.
- Intrinsic aging involves genetic predispositions and molecular changes within the skin.
- Understanding intrinsic aging is crucial for addressing the pathophysiology of aged skin.
Purpose of the Study:
- To review the literature on intrinsic factors contributing to skin aging.
- To explore the roles of genetic variations, epigenetics, gene expression, microRNA, and mitochondrial function in skin aging.
- To identify potential future research directions and therapeutic targets for skin aging.
Main Methods:
- Literature review of studies on intrinsic factors in skin aging.
- Analysis of research on single nucleotide polymorphisms (SNPs) and epigenetic modifications.
- Examination of microRNA and mitochondrial roles in the aging process.
Main Results:
- Single nucleotide polymorphisms (SNPs) are linked to variations in skin aging.
- Epigenetic changes, altered gene expression, and microRNA dysregulation contribute to intrinsic skin aging.
- Mitochondrial depletion is another key intrinsic factor influencing skin aging.
Conclusions:
- Intrinsic genetic and molecular factors significantly influence skin aging.
- Further research into these mechanisms can reveal therapeutic interventions.
- Targeting intrinsic aging pathways may offer novel strategies for maintaining youthful skin appearance.
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