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Table 2 Optical density of L. (V.) braziliensis isolated from refractory patients to antimony therapy exposed to NaNO2

From: Resistance of Leishmania (Viannia) braziliensis to nitric oxide: correlation with antimony therapy and TNF-α production

Isolates NaNO2(mM)
  0 0.25 0.5 1 2 4 8 16
393 0.531 0.534 0.585 0.614 0.536 0.458 0.366 0.283
14119 0.474 0.354 0.387 0.358 0.230 0.163 0.114 0.121
14758 0.436 0.367 0.355 0.389 0.353 0.228 0.145 0.138
14808 0.451 0.447 0.517 0.408 0.341 0.227 0.171 0.138
14933 0.475 0.428 0.437 0.353 0.192 0.168 0.135 0.154
15028 0.420 0.294 0.383 0.415 0.244 0.122 0.120 0.104
15226 0.409 0.412 0.370 0.432 0.327 0.223 0.133 0.138
15344 0.382 0.232 0.171 0.249 0.183 0.078 0.053 0.056
  1. Values represent means from three experiments for each isolate. Bold face is used to mark the isolates chosen for further studies, illustrated in Figure 3.