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Fig. 8. Change in levels of intracellular cGMP in tubules stimulated with 5-HT
alone or in combination with Mas-CAPA-1 (500 nmol l1) or
Fraction 25 (F25; 10 CNS equivalents) vs saline alone. 5-HT lowers
cGMP levels, and these levels can be restored to those with saline alone or
above by Mas-CAPA-1 or Fraction 25 (*significantly different from 5-HT alone
at P<0.05). In addition, levels of intracellular cGMP in tubules
stimulated with Fraction 25 were also significantly higher
(
) than tubules stimulated with Mas-CAPA-1 or saline alone
(P<0.05).