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. Author manuscript; available in PMC: 2014 Aug 29.
Published in final edited form as: Nucleosides Nucleotides. 1993;12(1):1–20. doi: 10.1080/07328319308016190

FIGURE 4.

FIGURE 4

The P2Y-purinoceptor of skeletal muscle myotubes is desenitized by repeated addition of compounds 9b, 13b and 14b. Subsequent stimulation of Ca2+-evoked fluorescene by ATP was also inhibited.