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Apocynin administration does not improve behavioral and neuropathological deficits in a transgenic mouse model of Alzheimer's disease

Apocynin administration does not improve behavioral and neuropathological deficits in a transgenic mouse model of Alzheimer's disease,10.1016/j.neulet

Apocynin administration does not improve behavioral and neuropathological deficits in a transgenic mouse model of Alzheimer's disease   (Citations: 1)
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In addition to mitochondria, NADPH oxidase (NOX) is a source of oxidative stress, which can induce oxidative damage in Alzheimer's disease (AD). For this reason, several groups have investigated the effect of its inhibition. In AD mice, NADPH oxidase 2 (NOX2) deficiency improved behavior and cerebrovascular function, and reduced oxidative stress. In our study, we administered the NOX inhibitor apocynin to Tg19959 mice, and found that it did not improve cognitive and synaptic deficits, and did not decrease amyloid deposition, microgliosis and hyperphosphorylated tau. However, apocynin reduced carbonyl levels in the cerebral cortex but not the hippocampus, which may have not been sufficient to ameliorate symptoms. Also, the reduction of NOX-mediated oxidative stress may not be sufficient to prevent AD, since other sources of reactive oxygen species such as mitochondria may be more important.
Journal: Neuroscience Letters - NEUROSCI LETT , vol. 492, no. 3, pp. 150-154, 2011
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