By H. Häfner (auth.), Prof. Dr. Konrad Beyreuther, Professor Dr. Dr. h.c. mult. Gotthard Schettler (eds.)
Contents: Cognitive capabilities and Aging.- Genetics and Biology of Aging.- Gene Expression.- Membranes and Aging.- Models.- Molecular techniques to Age-Related illnesses.
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Additional resources for Molecular Mechanisms of Aging
While it cannot be denied that gene action during development can set the stage for how adult animals age, we shall define aging (and senescing) as the constellation of changes in structure and function that occur post-maturationally and that are associated with an exponential increase in mortality among large populations of organisms. The ages of onset and the slopes of the exponential increases in mortality are constitutional features of speciation, indicative of major contributions of the genotype in modulating rates of aging.
Of interest were a number of mutations responsible for "segmental progeroid syndromes," the best example of which is the Werner syndrome (see below). No single mutation could be identified, however, that appeared to modulate the times of onset or the rates of development of all aspects of aging. 45 2. Stochastic Mechanisms of Aging In species with single massive episodes of reproduction (semelparous or "big bang" reproduction) (Diamond 1982), the onset of aging in large populations of organisms appears to be relatively synchronized and is rapidly progressive, suggesting a "programmed" mechanism of aging.
5 6a 6b 6c 6d 6e 7a 15 to 18 months 7 years to adolescence Deficit in preparing and/or serving complex meals; deficit in ordering food in a restaurant setting. 1-2 Young adult Approximate Age at which Abili ty 10 Acquired in in Normal Development No objective or subjective deficit in the ability to adequately prepare meals, order food and beverages in a restaurant and/or in table etiquette. Feeding Capacity Stage of Normal Aging and AD Nelms (1982) Pipes (1981) Pipes (1981) Grand (1987) Illingworth (1987) Simko (1989) Hurlock (1978) Simko (1989) Hurlock (1978) Spilling and messiness are marked during the first half of the second year.
Molecular Mechanisms of Aging by H. Häfner (auth.), Prof. Dr. Konrad Beyreuther, Professor Dr. Dr. h.c. mult. Gotthard Schettler (eds.)