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  Indian J Med Microbiol
 

Figure 7: Effect of F4d1, F4c4, and F4c5 subfractions purified from F4 fraction of Nigella sativa hexane extract on cyclooxygenase activity. Cell pretreated with subfractions 24 h before exposure to MPP+. Data are expressed as the mean ± standard error of the mean of three separate experiments. ##P < 0.01 versus control, *P < 0.05, **P < 0.01 versus MPP+ treated cells. MPP+: 1-methyl-4-phenylpyridinium

Figure 7: Effect of F4d1, F4c4, and F4c5 subfractions purified from F4 fraction of <i>Nigella sativa</i> hexane extract on cyclooxygenase activity. Cell pretreated with subfractions 24 h before exposure to MPP<sup>+</sup>. Data are expressed as the mean ± standard error of the mean of three separate experiments. <sup>##</sup><i>P</i> < 0.01 versus control, *<i>P</i> < 0.05, **<i>P</i> < 0.01 versus MPP<sup>+</sup> treated cells. MPP<sup>+</sup>: 1-methyl-4-phenylpyridinium