“ ASN , when added at 0.1 to 30 mM, increased short-circuit current in a dose-dependent manner with a K1/2 of … capsaicin (8-methyl-N-vanillyl-6-nonenamide) or substance P. Inhibition of nitric oxide synthesis with the structural analog of L-arginine, NG-monomethyl-L-arginine, …%.”