Cancer and aging: symposium of the 27th annual meeting of the Japanese society for biomedical gerontology, Tokyo |
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Authors: | Masanobu Kitagawa Masanori Utsuyama Morito Kurata Kouhei Yamamoto Yasuhito Yuasa Yuichi Ishikawa Tomio Arai Katsuiku Hirokawa |
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Affiliation: | (1) Department of Comprehensive Pathology, Aging and Developmental Sciences, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan;(2) Department of Molecular Oncology, Tokyo Medical and Dental University, Tokyo, Japan;(3) Department of Pathology, Japanese Foundation for Cancer Research, Cancer Institute, Tokyo, Japan;(4) Department of Pathology, Tokyo Metropolitan Geriatric Medical Center, Tokyo, Japan |
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Abstract: | Although many hypotheses have been proposed to explain the strong link between aging and cancer, the exact mechanisms responsible for the increased frequency of occurrence of cancer with advancing age have not been fully defined. Recent evidence indicates that malregulation of the apoptotic process may be involved in some aging process as well as in the development of cancer. Although it is still under debate how apoptosis is expressed during aging in vivo, this phenomenon is an important factor in unwinding the complicated mechanisms that link cancer and aging. In this review, we report on the discussion at the symposium of the 27th annual meeting of the Japanese society for biomedical gerontology, regarding recent findings from aging and carcinogenesis studies using animal models, the characteristics of cancer in patients with Werner s syndrome, the epigenetic changes in human cancers and aging, and the characteristics of human cancers in the elderly. It was concluded that apoptosis plays a role in the aging process and carcinogenesis in vivo, likely as an inherent protective mechanism against various kinds of damages to genes/chromosomes. |
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Keywords: | Aging Carcinogenesis Apoptosis Epigenetic change DNA-damage |
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