Geriatrics

Download Aging Mechanisms: Longevity, Metabolism, and Brain Aging by Nozomu Mori, Inhee Mook-Jung PDF

By Nozomu Mori, Inhee Mook-Jung

This booklet brings jointly the main updated info on fresh examine result of prime laboratories on getting older technology in East Asia, rather in Japan, Korea, and Hong Kong. beginning with a complete evaluation of assorted hypotheses on organic mechanisms of getting older by way of Dr. Sataro Goto, each one bankruptcy covers wide features of the latest findings in aging-related subject matters: centenarian experiences and genome research of progeria, metabolic biochemistry and neurobiology, durability controls in yeast and nematodes, oxidative pressure and calorie restrict, and neurodegeneration mechanisms in Alzheimer’s and Huntington’s illnesses, with extra power healing methods to those age-related neurodegenerative illnesses. additionally integrated, partially, is a precis and the results of a systematic dialogue discussion board known as the Asian getting older center for toughness (AACL) that has been held every year alternating among Japan and Korea over the last decade. This e-book can function an invaluable source for locating acceptable collaborators within the components it covers. the objective readership is made of graduate scholars and researchers at universities, clinical and/or life-science colleges, and biomedical and pharmaceutical institutes.

Why does getting older exist? How can we age? How is each one organism’s lifespan decided? those are primary questions within the box. We will be nonetheless faraway from reaching an entire view of getting older mechanisms, yet this ebook, Aging Mechanisms, bargains a superb chance to familiarize yourself with the main up to date growth within the biomedical study of getting older in Japan and Korea, the 2 top countries for human longevity.

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2005), suggesting that oxidative stress can accelerate the accumulation of oxidized proteins in aging by reducing the efficiency of damaged proteins. It is interesting to note that the 20S proteasome degrades oxidatively modified proteins selectively (Davies 2001) and that the 26S proteasome can be reversibly dissociated to produce the 20S proteasome by removing 19S regulators upon oxidative challenge, thereby facilitating adaptation to stress (Grune et al. 2011). It should be mentioned that the Lon protease plays an important role in the degradation of oxidized mitochondrial 1 The Biological Mechanisms of Aging: A Historical and Critical Overview 19 proteins, the activity of which decline with age and contribute to the accumulation of damaged proteins in the organelles (Ngo et al.

Goto fitness early in life but is harmful in old age. The identity of the intrinsic or extrinsic factors that maintain hyperfunction in the face of declining metabolic activity with age remain unknown. It should be noted that a recent report describes that rapamycin extends the life span of mice but ameliorates few aging phenotypes, such that its effects are not due to a modulation of aging but are instead related to aging-independent drug effects (Neff et al. 2013). 11 Summary and Perspectives Despite extensive efforts to solve the unsolved problems of biology for more than half a century, no single theory has yet successfully explained the mechanisms of aging.

2006). This theory has never been popular, but has been recently revived as the epigenetic theory of aging. Epigenetics is a phenomenon in which a fixed pattern of gene expression in a cell or an organism is inherited from one generation to the next without any changes in the genomic nucleotide sequence. This definition has been broadened to include the long-term stable control of gene expression in differentiated cells without changes in the nucleotide sequence, as manifested in various physiological and pathological situations, including aging and age-related diseases.

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