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. 2009 Jun;41(3):134–139. doi: 10.4103/0253-7613.55210

Table 2.

Superoxide production in various groups on acute and chronic treatment with cocaine ± drugs

Acute model Chronic model

Groups Superoxide production (nM/106 cells/ 30 min) Superoxide production (nM/106 cells/ 30 min)


Unstimulated Mφ PMA Stimulated Mφ Unstimulated Mφ PMA Stimulated Mφ
Control 0.76 ± 0.23 3.39 ± 0.96 0.64 ± 0.07 4.47 ± 0.64
Cocaine 1.62 ± 0.32a 4.21 ± 0.59 1.77 ± 0.55 1.80 ± 0.50d
Cocaine + O. sanctum 1.03 ± 0.43 3.85 ± 0.62 0.80 ± 0.12c 4.12 ± 0.57e
Cocaine + ascorbic acid 0.88 ± 0.24b 3.96 ± 0.40 0.92 ± 0.34c 3.74 ± 0.41e
Cocaine + verapamil 1.09 ± 0.32 3.81 ± 0.89 0.94 ± 0.16c 4.00 ± 0.44e

Values are Mean ± SEM. n = 6 in each group. P values; acute model- a < 0.001 vs. control, b < 0.01 cocaine In unstimulated Superoxide production, and chronic model- c < 0.001 vs. cocaine in Unstimulated Superoxide production, d < 0.001 vs. control, e < 0.001 vs. cocaine in PMA stimulated Superoxide production. One-way ANOVA followed by Tukey's test. Mφ- macrophage. PMA- Phorbol Myristate Acetate