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. 2003 Mar 21;549(Pt 1):3–19. doi: 10.1113/jphysiol.2003.039818

Table 1.

Potency of inhibition of hDRA-mediated 36Cl efflux into ND-96 solution

Inhibitory drug ID50 (μM) Inhibition (n)
Niflumic acid 6.8±2.5 (6)
Tenidap 9.6±1.9 (6)
UK5099 (100 μM) 100% (3)
NS1652 (20 μM) 69±5% (3)
WW781 (20 μM) 39±14% (3)
Hydroxycinnamate (1 mM) 34%
DIDS (0.5 mM) 26±5% (3)
(2 mM) 66±1% (3)

Values are means ± s.e.m. for (n) oocytes. Mean efflux rate constants (k) in the absence of drugs ranged between 0.014 and 0.035 min−1 in these experiments.