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Sustained caloric restriction (CR) extends lifespan in animal models but the mechanism and primary tissue target(s) have not been identified. Gene expression changes with aging and CR were examined in both heart and subcutaneous white adipose tissue (WAT) of F344 male rats using Affymetrix® RAE 230...
ORGANISM(S): Rattus norvegicus 

Aging is a complex biological process influenced by genetic factors, environmental conditions, and interactions between organisms and their associated microbes. The budding yeast Saccharomyces cerevisiae and the fruit fly Drosophila melanogaster provide complementary model systems for investigati...

2026-09-04 | MTBLS15555 | MetaboLights
The normal aging process is a complex phenomenon associated with physiological alterations in the function of cells and organs over time. Although an attractive candidate for mediating transcriptional dysregulation, the contribution of epigenetic dysregulation to these progressive changes in cellul...
ORGANISM(S): Rattus norvegicus 
There is a growing realization that some aging-associated phenotypes/diseases have an epigenetic basis. Here we report the first genome-scale study of epigenomic dynamics during normal human aging. We identify aging-associated differentially methylated regions (aDMRs) in whole blood in a discovery c...
ORGANISM(S): Homo sapiens 
There is a growing realization that some aging-associated phenotypes/diseases have an epigenetic basis. Here we report the first genome-scale study of epigenomic dynamics during normal human aging. We identify aging-associated differentially methylated regions (aDMRs) in whole blood in a discovery c...
ORGANISM(S): Homo sapiens 
Calorie restriction (CR) is the most robust non-genetic intervention to universally delay the onset of age-related diseases and extend mean and maximum lifespan. However, species, strain, sex, diet, age of onset, and level of CR are emerging as important variables to consider for a successful CR res...
ORGANISM(S): Mus musculus 
Somatic stem cells mediate tissue maintenance for the lifetime of an organism. Despite the well-established longevity that is a prerequisite for such function, accumulating data argue for compromised stem cell function with age. Identifying the mechanisms underlying age-dependent stem cell dysfuncti...
ORGANISM(S): Mus musculus 
This study utilized a standard rat model of aging and global gene expression analyses to attempt to identify the most appropriate time points to study vascular aging and to identify molecules associated with the development of pathology. Recent studies have established that age is the major risk fac...
ORGANISM(S): Rattus norvegicus 
Aging is the progressive decline in organismal function that leads to an increased risk of multiple diseases and mortality. The molecular basis of this decline is unknown. Using quantitative PCR for mitochondrial mRNA from multiple tissues from the same animals, we found that the rate of change in m...
ORGANISM(S): Mus musculus 

White tea (WT) develops unique aged quality during long-term storage, characterized by progressive changes in sensory properties and chemical composition. However, integrated insights into the sensory, metabolites, and microbial contribution underlying this...

2025-11-18 | MTBLS13336 | MetaboLights
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