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BACKGROUND: Hydrocephalus is a complex neurologic disorder that has a widespread impact on the central nervous system and a multifactor disease which affects the CSF dynamics and causes severe neurological impairments in children. The pathophysiology of hydrocephalus is not fully understood. However, increasing evidence suggests that oxidative stress may be an important factor in the pathogenesis of hydrocephalus. OBJECTIVE: The purpose of this study is to investigate the relationship of the KEAP-1/NRF-2/HO-1 pathway, one of the main regulators of the antioxidant system in the hydrocephalus pathology, on oxidative stress and tau protein level. METHODS: The study included 32 patients with hydrocephalus and 32 healthy controls. KEAP-1, NRF-2, HO-1, TAU, and MPO levels are measured using ELISA method TAS, TOS, and Total THIOL colorimetric method. RESULTS: KEAP-1, TAS, and Total THIOL levels were found significantly lowerer in the hydrocephalus group than in the control group. Nevertheless, it was identified that in the hydrocephalus group that the NRF-2, HO-1, TAU, MPO, TOS, and OSI levels were significantly elevated. CONCLUSION: In conclusion, although the KEAP-1/NRF-2/HO-1 pathway is activated in patients with hydrocephalus, it is identified that the antioxidant defense system is insufficient and ultimately leads to elevated oxidative stress. The elevation in the tau level may be an indicator of oxidative stress induced neurodegenerative damage.
Güzelçiçek et al. (Tue,) studied this question.