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  • Title: Adenosine depresses transmitter release but is not the basis for 'tetanic fade' at the neuromuscular junction of the rat.
    Author: Malinowski MN, Cannady SB, Schmit KV, Barr PM, Schrock JW, Wilson DF.
    Journal: Neurosci Lett; 1997 Jul 18; 230(2):81-4. PubMed ID: 9259469.
    Abstract:
    It has been suggested that during repetitive neural stimulation adenosine accumulates at the neuromuscular junction and the resulting negative feedback action of adenosine is the major basis for tetanic fade (decline in action of adenosine during repetitive stimulation) This hypothesis was examined at the rat neuromuscular junction by examining the effects of blocking adenosine A1-receptors. Intracellular recording techniques were used to monitor end-plate potentials and miniature end-plate potentials. The data suggest that while adenosine serves a role in depressing transmitter release, adenosine accumulation during brief periods of stimulation is minimal and adenosine is not the cause for tetanic fade.
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