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Fig. 6. Effects of inhibitors of H2S synthesis on hypoxic
(N2) relaxation of pre-contracted bladders. The cystathionine
-lyase inhibitor, D,L-propargylglycine (PPG; 20
mmol l-1) significantly decreased a N2 relaxation of 10
µmol l-1 carbachol-pre-contracted bladders and a mixture of PPG
and the cystathionine ß-synthase inhibitor, amino-oxyacetic acid (AOA; 1
mmol l-1) significantly inhibited N2 relaxation of both
80 mmol l-1 KCl- and 80 mmol l-1 KAc-pre-contracted
bladders (N=4 for all experimental groups; N=8 for
controls). Values are means ± s.e.m. *Significantly
different from the respective control;
significantly
different from all other conditions.