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Fig. 5. P2-receptor-evoked cytosolic Ca2+ signals in neurospheres
derived from P2Y1-receptor knockout mice (C57BL/6J). The
relative agonist potency in neurospheres from C57BL/6J wild-type mice
corresponds to that of C57BL/6N mice (compare with
Fig. 2B). In neurospheres
derived from P2Y1-knockout mice, the ATP and UTP responses were
equal and ADP and UDP were essentially inactive (mean±s.d.,
n=20-38).