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This research investigates how HIPK2 protects neurons from oxidative stress and regulates antioxidant defenses following traumatic brain injury.

June 17, 2026Open Access

HIPK2 protects neurons from oxidative stress and modulates central nervous system responses following traumatic brain injury.

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Randomized trial shows that HIPK2 modulates antioxidant responses in neural tissue after traumatic brain injury, suggesting new therapeutic targets.

This research investigates how HIPK2 protects neurons from oxidative stress and regulates antioxidant defenses following traumatic brain injury.
Utilized H₂O₂-induced oxidative stress model in PC12 cells with HIPK2 inhibition via tBID.
Employed controlled cortical impact mouse model of TBI with HIPK2 overexpression through Ad-HIPK2 injection.
Assessed cell viability, mRNA expression, and protein levels of antioxidant factors like HO-1, UGT1A1, and NQO1.
Endogenous HIPK2 expression was significantly suppressed post-TBI.
HIPK2 overexpression rescued the expression of UGT1A1 and NQO1 antioxidant proteins.
The findings indicate HIPK2's role as a key modulator in the antioxidant response after TBI.

Zhu et al. (2026) studied this question.

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Randomized trial shows that HIPK2 modulates antioxidant responses in neural tissue after traumatic brain injury, suggesting new therapeutic targets.