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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Average remaining lifetimes can increase as human populations age

Article Abstract:

A new measure of ageing, the median age of the population standardized for expected remaining years of life is proposed. Historical data and forecasts for Germany, Japan, and the United States shows that although these population will be growing older, as measured by their median ages, they will probably experience periods in which they grow younger, as measured by their standardized median ages.

Author: Scherbov, Sergei, Sanderson, Warren C.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
Japan, Germany, Surveys, Population biology

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Drosophila dFOXO controls lifespan and regulates insulin signalling in brain and fat body

Article Abstract:

The limited activation of dFOXO reduces expression of the Drosophila insulin-like peptide dilp-2 synthesized in neurons, and represses endogenous insulin-dependent signalling in peripheral fat body. The combination of autonomous and non-autonomous roles of insulin signaling help to control ageing.

Author: Palmer, Michael, Hwangbo, Dae Sung, Gersham, Boris, Tu, Meng-Ping, Tatar, MarcTatar, Marc
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Insulin receptors

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From stem to stern

Article Abstract:

The way in which age-related accumulation of DNA damage and changes in global patterns of gene expression would lead to the decline of stem-cell function is studied in mice. Results reveal that haematopoietic stem cells function is severely impaired in rapidly ageing mutant mice.

Author: Rando, Thomas A., Brunet, Anne
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2007
DNA damage, Gene expression, Hematopoietic stem cells

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Subjects list: Aging, Research, United States, Aging (Biology)
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