Mostrando 1,481 - 1,500 Resultados de 16,559 Para Buscar '"senescal"', tiempo de consulta: 0.25s Limitar resultados
  1. 1481
    “…Evidence has shown that with age increase, bone marrow stromal cells (BMSCs) differentiate into more adipocytes rather than osteoblasts and undergo senescence, which leads to decreased bone formation and contributes to senile osteoporosis. …”
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  2. 1482
    “…However, recent studies have also suggested a dark side of senescence in which a build-up of senescent cells with age leads to increased inflammation due to a senescence-associated secretory phenotype (SASP). …”
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  3. 1483
    “…The three-band plant senescence reflectance index (PSRI) approximated the visually observed senescence dynamics best, whereas full-spectrum models suffered from a strong year-specificity. …”
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  4. 1484
    “…The investigation of senescence-associated immune cell subsets from the spleens and mesenteric lymph nodes revealed an increase in PD-1(+)CD44(high) CD4 T cells as well as CD95(+)GL7(+) germinal center B cells, indicating that the long-term circadian misalignment exacerbates immune senescence and consequent chronic inflammation. …”
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  5. 1485
  6. 1486
    “…Cellular senescence is a physiological process reacting to stimuli, in which cells enter a state of irreversible growth arrest in response to adverse consequences associated with metabolic disorders. …”
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  7. 1487
    por Bell, Graham
    Publicado 1993
    “…This paper discusses a novel theory of senescence: the community of pathogens within each host individual evolves during the life-time of the host, and in doing so progressively reduces host vigour. …”
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  8. 1488
    por J. Heath, John, D. Grant, Michael
    Publicado 2020
    “…This review addresses the potential contribution of cytomegalovirus (CMV)-driven T cell proliferation to cellular senescence and immunosenescence. We first describe molecular processes imposing cell cycle arrest, the foundation of cellular senescence, then focus on the unique distribution, phenotype and function of CMV-specific CD8(+) T cells in the context of cellular senescence and “inflammaging”. …”
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  9. 1489
    “…In this study, we sought to characterize the EV production of senescent endothelial cells. To achieve this, Human Umbilical Vascular Endothelial Cells (HUVECs) were replicated until they reached senescence, as determined by measurement of Senescence‐Associated β‐Galactosidase activity via microscopy and flow cytometry. …”
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  10. 1490
    “…Premature senescence of neonatal cardiac myocytes was induced by prolonged culture time in an oxygen-rich postnatal environment. …”
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  11. 1491
    “…Introduction Aging is associated with the pathogenesis of many endocrine disorders such as cardiovascular diseases and diabetes. Cell senescence has been reported as one of their mechanisms. …”
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  12. 1492
    “…To understand the role of the extensive senescence-associated 3D genome reorganization, we generated genome-wide chromatin interaction maps, epigenome, replication-timing, whole-genome bisulfite sequencing, and gene expression profiles from cells entering replicative senescence (RS) or upon oncogene-induced senescence (OIS). …”
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  13. 1493
    “…Co-staining of the senescence marker p21, the osteoblastic marker osteopontin, detection of senescence-associated heterochromatin foci, and senescence-associated β-galactosidase is possible within one test approach requiring fewer cells. …”
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  14. 1494
  15. 1495
    “…Telomere shortening in human cells leads to a DNA damage response that signals replicative senescence. While insufficient loading of TRF2 at shortened telomeres contributes to the DNA damage response in senescence, the contribution of TRF1 to senescence induction has not been determined. …”
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  16. 1496
    “…Senescence is a state of proliferative arrest which has been described as a protective mechanism against the malignant transformation of cells. …”
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  17. 1497
    “…In addition, senescent cells produce and secrete a complex mixture of molecules, commonly known as the senescence-associated secretory phenotype (SASP), that regulate most of their non-cell-autonomous effects. …”
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  18. 1498
    “…Cellular senescence was first described as a physiological tumor cell suppressor mechanism that leads to cell growth arrest with production of the senescence-associated secretory phenotype known as SASP. …”
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  19. 1499
  20. 1500
    “…We suggest that, as in leaves, molecular mechanisms involved in nitrogen (N) resorption are also activated in senescent roots. An analysis of N concentration indicated that N levels decreased during the senescence of both organs. …”
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