Mostrando 761 - 780 Resultados de 16,559 Para Buscar '"senescal"', tiempo de consulta: 0.18s Limitar resultados
  1. 761
    “…SIMPLE SUMMARY: Senescence is a form of cell cycle arrest induced by stresses such as DNA damage and oncogenes and therefore constitutes a crucial barrier against cancer. …”
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  2. 762
    “…The cause of this abnormal accumulation of senescent cells is unknown but evidence suggests that, once established, senescence can be transferred from senescent to non-senescent cells. …”
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  3. 763
  4. 764
    “…Alveolar epithelial cells (ACEs) gradually senescent as aging, which is one of the main causes of respiratory defense and function decline. …”
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  5. 765
    “…However, determining the presence of senescent cells would require invasive procedures such as tissue biopsies to be taken. …”
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  6. 766
    “…Emerging research suggests DNA damage-induced cellular senescence as a possible driver of mTBI-related sequalae. …”
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  7. 767
  8. 768
    “…Innate immune system dysfunction that leads to decreased senescent cell removal and/or increased senescent cell formation could contribute to accumulation of senescent cells with both aging and viral infections. …”
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  9. 769
    “…The study of cell senescence is a burgeoning field. Senescent cells can modify the cellular microenvironment through the secretion of a plethora of biologically active products referred to as the senescence‐associated secretory phenotype (SASP). …”
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  10. 770
    “…Here we discuss this idea in light of recent advances supporting an interplay between MERCs, cellular senescence and aging.…”
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  11. 771
    “…Mitochondria are one of organelles that undergo significant changes associated with senescence. An increase in mitochondrial size is observed in senescent cells, and this increase is ascribed to the accumulation of dysfunctional mitochondria that generate excessive reactive oxygen species (ROS). …”
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  12. 772
  13. 773
    “…Cellular senescence underlies tissue aging and aging-associated pathologies, as well as lung pathology. …”
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  14. 774
    “…Both in vitro cellular models of endothelial cell dysfunction-associated senescence developed in this study, starvation and oxidative stress, were validated by markers of cellular senescence (increase in β-galactosidase activity, and changes in senescence gene markers SIRT1 and P21) and endothelial dysfunction as denoted by reductions in angiogenic and migratory capabilities. …”
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  15. 775
    “…Finally, we summarize the emerging pro-senescent or anti-senescent interventions and discuss their therapeutic potential in preventing cardiovascular diseases.…”
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  16. 776
    “…More efforts have been made to clarify mechanisms underlying sarcopenia and new findings suggest that it may be feasible to delay age-related sarcopenia by modulating fundamental mechanisms such as cellular senescence. Cellular senescence refers to the essentially irreversible growth arrest mainly regulated by p53/p21(CIP1) and p16(INK4a)/pRB pathways as organism ages, possibly detrimentally contributing to sarcopenia via muscle stem cells (MuSCs) dysfunction and the senescence-associated secretory phenotype (SASP) while cellular senescence may have beneficial functions in counteracting cancer progression, tissue regeneration and wound healing. …”
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  17. 777
    “…Owing to an increase in studies on cellular senescence in recent years, research has begun to focus on the function of the senescent microenvironment in osteoporosis. …”
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  18. 778
    “…However, non-invasive biomarkers to detect early kidney damage and the onset of a senescent phenotype are lacking. Most of the preclinical senescence studies in aging have been done in very old mice. …”
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  19. 779
    “…Although effective in providing local tumor control, radiation causes oxidative stress, inflammation, immunomodulatory and mitogenic cytokine production, extracellular matrix production, and premature senescence in lung parenchyma. The senescence associated secretory phenotype (SASP) can promote inflammation and stimulate alterations in the surrounding tissue. …”
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  20. 780
    “…Although senescence has been considered as an irreversible cell arrest state, accumulating evidence challenge this view. …”
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