Research Article

Inhibition of Neuroinflammation in LPS-Activated Microglia by Cryptolepine

Figure 5

Cryptolepine (CAS) inhibited nitrite release and iNOS protein expression in LPS-activated microglia. Microglia were incubated in a medium containing 2.5 and 5 μM cryptolepine for 30 min and then activated by 100 ng/mL LPS for 24 h. (a) Cryptolepine diminished nitrite release in microglia. ((b), (c)) Cryptolepine inhibited iNOS protein expression in LPS-activated microglia. Protein expression was determined using western blot with specific anti-iNOS antibody. All values are expressed as mean ± SEM for 3 independent experiments. Data were analysed using one-way ANOVA for multiple comparisons with post hoc Student Newman-Keuls test. * , in comparison with LPS control.
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(a)
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(b)
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(c)