Detecting adenosine triphosphate in the pericellular space

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Detecting adenosine triphosphate in the pericellular space

Release of adenosine triphosphate (ATP) into the extracellular space occurs in response to a multiplicity of physiological and pathological stimuli in virtually all cells and tissues. A role for extracellular ATP has been identified in processes as different as neurotransmission, endocrine and exocrine secretion, smooth muscle contraction, bone metabolism, cell proliferation, immunity and infla...

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Adenosine triphosphate inhibition in myosin adenosine triphosphate systems.

Factors affecting inhibition of myosin ATPase by ATP, such as concentration of the enzyme, of ATP, and of the divalent metals, calcium and magnesium, have been studied and the results are reported here. Experiments were carried out under conditions in which no known magnesium effects occurred, so that only the effect of calcium on the nucleoside triphosphatase activity of myosin A could be qual...

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The Eq+librium Constants of the Adenosine Triphosphate Hydrolysis and the Adenosine Triphosphate- Citrate Lyase Reactions

The observed standard free energy change (AGibs) for the hydrolysis of the terminal pyrophosphate bond of ATP has been experimentally determined under physiological conditions using an entirely new set of reactions. The observed equilibrium constant (K,,bs) for the combined reactions of acetate kinase (EC 2.7.2.1) and phosphate acetyltransferase (EC 2.3.1.8) has been determined at 38”, pH 7.0, ...

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Adenosine Triphosphate Turnover in Humans

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ژورنال

عنوان ژورنال: Interface Focus

سال: 2013

ISSN: 2042-8898,2042-8901

DOI: 10.1098/rsfs.2012.0101