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Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation
Published on: March 22, 2017
Reprogramming aging and progeria
José M P Freije1, Carlos López-Otín
1Departamento de Bioquímica y Biología Molecular, Instituto Universitario de Oncología (IUOPA), Universidad de Oviedo, 33006 Oviedo, Spain.
Abstract:
The aging rate of an organism depends on the ratio of tissue degeneration to tissue repair. As a consequence, molecular alterations that tip this balance toward degeneration cause accelerated aging. Conversely, interventions can be pursued to reduce tissue degeneration or to increase tissue repair with the aim of delaying the onset of age-associated manifestations. Recent studies on the biology of stem cells in aging have revealed the influence of systemic factors on their functionality and demonstrated the feasibility of reprogramming aged and progeroid cells. These results illustrate the reversibility of some aspects of the aging process and encourage the search for new anti-aging and anti-progeria interventions.
Insights
Organism aging is linked to tissue repair versus degeneration. Interventions targeting this balance, including stem cell reprogramming, show potential for reversing aging aspects and developing anti-aging therapies.
Area of Science:
- Gerontology and regenerative medicine, focusing on molecular and cellular aging processes.
Background:
- Aging rate is determined by the balance between tissue degeneration and repair.
- Molecular changes favoring degeneration accelerate organismal aging.
- Systemic factors significantly influence stem cell function during aging.
Purpose of the Study:
- To explore interventions that delay age-associated conditions by modulating tissue repair and degeneration.
- To investigate the potential for reversing aging through stem cell reprogramming.
Main Methods:
- Analysis of molecular alterations affecting the tissue degeneration-repair balance.
- Review of recent studies on stem cell biology in aging.
- Examination of reprogramming techniques for aged and progeroid cells.
Main Results:
- Identified molecular pathways that accelerate aging by promoting tissue degeneration.
- Demonstrated that systemic factors impact stem cell functionality in aged organisms.
- Showcased the feasibility of reprogramming aged and progeroid cells, indicating reversibility.
Conclusions:
- Certain aspects of the aging process are reversible.
- Reprogramming aged cells offers a promising avenue for anti-aging interventions.
- Further research into anti-aging and anti-progeria strategies is warranted.
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