Results 161 to 170 of about 90,132 (350)

Genetic and Pharmacological Inhibition of Metabotropic Glutamate Receptor Signalling Extends Lifespan in Drosophila

open access: yesAging Cell, EarlyView.
We show that genetic and pharmacological inhibition of the metabotropic glutamate receptor, DmGluRA extends Drosophila lifespan, improves stress tolerance and alters early‐life locomotion. Several markers indicative of reduced ribosomal biogenesis, a hallmark of longevity, were also detected in these flies.
Cui Guan   +4 more
wiley   +1 more source

36 degree step size of proton-driven c-ring rotation in FoF1-ATP synthase [PDF]

open access: yesarXiv, 2009
Synthesis of the biological "energy currency molecule" adenosine triphosphate ATP is accomplished by FoF1-ATP synthase. In the plasma membrane of Escherichia coli, proton-driven rotation of a ring of 10 c subunits in the Fo motor powers catalysis in the F1 motor. While F1 uses 120 degree stepping, Fo models predict a step-by-step rotation of c subunits
arxiv  

Role of the phosphocreatine system on energetic homeostasis in skeletal and cardiac muscles

open access: yesEinstein (São Paulo)
Adenosine triphosphate is the present energy currency in the body, and is used in various cellular and indispensable processes for the maintenance of cell homeostasis.
Lucas Guimarães-Ferreira
doaj   +1 more source

Muscle Mitochondrial Respiration and Cardiorespiratory Fitness Contribute to Slower Walking Speed of Older Individuals Who Identify as Black

open access: yesAging Cell, EarlyView.
While the etiology of race differences in mobility is multifactorial, our data indicate that muscle mitochondrial respiration and cardiorespiratory fitness may contribute to the slower walking speed of individuals who identify as Black compared to White.
Paul M. Coen   +12 more
wiley   +1 more source

Risk of stroke accompanying alcohol consumption with or without single‐occasion drinking

open access: yesAlcohol, Clinical and Experimental Research, EarlyView.
Previous studies on alcohol and stroke have highlighted several concerns. Notably, the conventional categorization based on average consumption, which categorizes both those who consume 20 g/day of alcohol daily and those who engage in risky single‐occasion drinking (RSOD) only on weekends into low drinkers, makes it difficult to account for ...
Midori Takada   +12 more
wiley   +1 more source

Development of Carbon-Fiber Electrodes Modified for Electrochemical ATP Detection [PDF]

open access: yesarXiv, 2018
Adenosine triphosphate (ATP) is a highly energetic molecule used as a coenzyme in the transfer of chemical energy required for the continuation of cellular metabolism. In addition, extracellular ATP has an important role in cell-to-cell communication in immune, nervous and vascular systems.
arxiv  

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