Results 71 to 80 of about 62,113 (243)
MDL‐800‐induced SIRT6 activation decreases age‐associated osteoarthritis in mice
Objective SIRT6 is a nuclear‐localized histone deacetylase that regulates multiple pathways associated with aging. This study aimed to determine whether systemic administration of a small molecule activator of SIRT6, MDL‐800, decreases the severity of age‐associated osteoarthritis (OA) in mice.
Matheus Moreira Perez +13 more
wiley +1 more source
Food‐solicitation displays in nestling birds: still begging for answers
ABSTRACT Nestling begging is a key model for understanding animal communication and parent–offspring conflict. Dynamic begging displays are often interpreted as costly, honest signals of need, with honesty maintained by viability costs, as proposed in Godfray's influential signalling model.
Daniel Parejo‐Pulido, Tomás Redondo
wiley +1 more source
Correlation between telomere shortening in maternal peripheral blood and fetal aneuploidy
Background This study aimed to assess whether maternal telomere length is a more accurate predictor of trisomy 21 than maternal age while also exploring the factors influencing maternal and fetal telomere length.
Xiao-Xi Zhao, Le Le Bai
doaj +1 more source
Telomere Length Correlates with Life Span of Dog Breeds
Telomeric DNA repeats are lost as normal somatic cells replicate. When telomeres reach a critically short length, a DNA damage signal is initiated, inducing cell senescence.
Laura J. Fick +8 more
doaj +1 more source
A double‐headed bis‐guanine (G) nucleotide (GG) was evaluated as a noncanonical building block in G‐quadruplexes (G4s). Biophysical and computational analyses reveal that GG can directly participate in G‐tetrads and strongly stabilize G4s in a position‐ and topology‐dependent manner. These findings establish design rules for using GG to engineer highly
Krista Urup +5 more
wiley +1 more source
HIV and parasite infections accelerate biological aging, resulting in immune senescence, apoptosis and cellular damage. Telomere length is considered to be one of the most effective biomarkers of biological aging.
Engelinah D. Macamo +3 more
doaj +1 more source
Harnessing the light‑switch properties of Ru‑PDC3, we demonstrate that it binds to G‑quadruplex DNA within the nuclei of living cells where it can act as a probe for real‑time imaging or at higher concentrations/illumination it can act as photosensitizer inducing phototoxicity.
Karmel S. Gkika +5 more
wiley +1 more source
Background. Modifiable factors in adulthood that explain the racial disparity in prostate cancer have not been identified. Because racial differences in utero that may account for this disparity are understudied, we investigated the association of ...
Kari A. Weber +7 more
doaj +1 more source
The Effect of Physical Activity agains the Telomere Length in the Leukocytes Cells of KONI Athletes
Telomeres are strands of non coding DNA at the ends of chromosomes that have the primary function to protect DNA from damage and maintain chromosomal stability.
Endang Purwaningsih +4 more
doaj +1 more source
Systemic aging fuels heart failure: Molecular mechanisms and therapeutic avenues
Abstract Systemic aging influences various physiological processes and contributes to structural and functional decline in cardiac tissue. These alterations include an increased incidence of left ventricular hypertrophy, a decline in left ventricular diastolic function, left atrial dilation, atrial fibrillation, myocardial fibrosis and cardiac ...
Zhuyubing Fang +7 more
wiley +1 more source

