Titlebook: Geriatric Oncology; Martine Extermann Reference work 2020 Springer Nature Switzerland AG 2020 Geriatric Oncology.Cancer.Elderly.Biology of

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https://doi.org/10.1007/978-3-322-95856-3rentiated cells. For a broad range of types of stem cells, such as embryonic, muscle, and hematopoietic stem cells, these mechanisms have already been described. Either a complete absence or corrupted activity of checkpoints such as the G1/S damage response and the decatenation checkpoint was found

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https://doi.org/10.1007/978-3-322-91643-3es. Thus, cellular senescence derives from stress-activated programs, as opposed to other cellular states of irreversible growth arrest, such as post-mitosis and terminal differentiation, which are a consequence of developmental-activated programs. Senescent cells are characterized by the expression

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Wie viel Staat braucht die Bildung?of the immune system may play a major role in waning defense against tumorigenesis. Thus, immunosenescence may contribute to the higher rate of occurrence of tumors in the elderly. However, exactly how these age-related changes in immunity translate to cancer development is not well defined and unde

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Peter Vogel,Ellen B?gemann-Gro?heimus macaques). Caloric restriction also improves healthspan, including reducing cancer development in mice and Rhesus macaques. Nonetheless, chronic caloric restriction to prolong life or healthspan, including cancer prevention, is unlikely to be popular or widely adopted for human clinical use. As c

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Erziehungswissenschaft: Lehre und Studium calpain-calpastatin system (CCS). Activity of the CCS is implicated in the processes of proliferation and apoptosis of many human cell types. We have demonstrated a necessity of resting activity of the CCS for adequate proliferative response of nonmalignant T lymphocytes, as well as the reduction o

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P?dagogische Arbeit in Organisationen-cell lymphoma (DLBCL) – increases with age. In addition, its histopathogenic subcategories develop an age-dependent repartition – with less frequent germinal center-derived DLBCL and more activated B cell ones. Finally, some specific entities have been specifically described in an aged population,

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https://doi.org/10.1007/978-3-658-05203-4 extensively studied; cellular senescence, a protective mechanism in response to DNA damage, can induce permanent growth arrest and resistance to apoptosis. Chronological age also favors the accumulation of genetic and epigenetic changes that are important contributing factors in the complex pathoge

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Erziehungswissenschaftliche Jugendforschung take place. Although ROS are an inevitable by-products of respiration, they do not necessarily have detrimental effects; low doses of ROS can have beneficial effects on cells, and their production can be finely regulated in mitochondria. Increasing ROS levels and products of the oxidative stress, w