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Fig. 10. Representative recording of the basolateral membrane voltage
(Vb) in a principal cell challenged separately and
together with 100 nmol l1 Anoga-DH31 and 100 nmol
l1 Musdo-K. Anoga-DH31 depolarises and Musdo-K
hyperpolarises Vb, but in combination they produce a
triphasic response mimicking that obtained with Anoga-DH44 (cf.
Fig. 7A). Horizontal bars
indicate when the peptides were present in the bath. Arrows show when the
principal cell was impaled (downward arrow) and the microelectrode withdrawn
(upward arrow).