Results 31 to 40 of about 467,497 (301)

On the emergence of the correlation between life expectancy and the variance in the age at death

open access: yesRoyal Society Open Science, 2022
Recent empirical studies have found various patterns in the correlations between lifespan inequality and life expectancy in modern human populations. However, it is unclear how general these regularities are. Here we establish three theorems that provide
Oscar E. Fernandez   +1 more
doaj   +1 more source

Regulation of lifespan by chemosensory and thermosensory systems: findings in invertebrates and their implications in mammalian aging

open access: yesFrontiers in Genetics, 2012
Many environmental factors that dynamically change in nature influence various aspects of animal physiology. Animals are equipped with sensory neuronal systems that help them properly sense and respond to environmental factors. Several studies have shown
Dae-Eun eJeong   +5 more
doaj   +1 more source

Aging as a consequence of misrepair -- A novel theory of aging [PDF]

open access: yes, 2009
It is now increasingly realized that the underlying mechanisms which govern aging is a complex interplay of genetic regulation and damage accumulation. Aging as a result of accumulation of ‘faults’ on cellular and molecular levels, has been
Arne Wunderlin   +3 more
core   +4 more sources

Two aspects of longevity are associated with rates of loss of telomeres in birds

open access: yesEcology and Evolution, 2022
Telomeres, the terminal repetitive DNA sequences at the ends of linear chromosomes, have strong associations with longevity in some major taxa. Longevity has been linked to rate of decline in telomere length in birds and mammals, and absolute telomere ...
F. Stephen Dobson   +2 more
doaj   +1 more source

Prediction of the lifespan of cement at a specific depth based on the coupling of geomechanical and geochemical processes for CO2 storage [PDF]

open access: yes, 2019
The injection of carbon dioxide (CO2) captured from combustion-based processes into underground formations is one of a number of plausible methods to reduce its release into the atmosphere and consequential greenhouse gas warming.
Bagheri, Mohammadreza   +2 more
core   +1 more source

Gene expression defines natural changes in mammalian lifespan [PDF]

open access: yesAging Cell, 2015
SummaryMammals differ more than 100‐fold in maximum lifespan, which can be altered in either direction during evolution, but the molecular basis for natural changes in longevity is not understood. Divergent evolution of mammals also led to extensive changes in gene expression within and between lineages.
Fushan, Alexey A   +12 more
openaire   +3 more sources

Structural Brain Network Changes across the Adult Lifespan [PDF]

open access: yesFrontiers in Aging Neuroscience, 2017
A number of magnetic resonance imaging (MRI) studies have shown age-related alterations in brain structural networks in different age groups. However, the specific age-associated changes in brain structural networks across the adult lifespan is underexplored.
Ke Liu   +11 more
openaire   +3 more sources

Proline metabolism regulates replicative lifespan in the yeast Saccharomyces cerevisiae

open access: yesMicrobial Cell, 2019
In many plants and microorganisms, intracellular proline has a protective role against various stresses, including heat-shock, oxidation and osmolarity. Environmental stresses induce cellular senescence in a variety of eukaryotes.
Yukio Mukai   +7 more
doaj   +1 more source

Effects of Increased Flight on the Energetics and Life History of the Butterfly Speyeria mormonia. [PDF]

open access: yesPLoS ONE, 2015
Movement uses resources that may otherwise be allocated to somatic maintenance or reproduction. How does increased energy expenditure affect resource allocation?
Kristjan Niitepõld, Carol L Boggs
doaj   +1 more source

O-GlcNAcase contributes to cognitive function in Drosophila [PDF]

open access: yes, 2020
Contains fulltext : 219183.pdf (publisher's version ) (Open ...
Catinozzi, Marica   +7 more
core   +3 more sources

Home - About - Disclaimer - Privacy