TY - JOUR PY - 2019// TI - Role of Nogo receptor-1 for recovery of balance, cognition and emotion after mild traumatic brain injury in mice JO - Journal of neurotrauma A1 - Lai, Jing-Huei A1 - Karlsson, Tobias E. A1 - Wu, John Chung-Che A1 - Huang, Chi-Zong A1 - Chen, Yen-Hua A1 - Kang, Shuo-Jhen A1 - Brodin, Alvin T. S. A1 - Hoffer, B. J. A1 - Olson, Lars A1 - Chiang, Yung-Hsaio A1 - Chen, Kai-Yun SP - 1054 EP - 1059 VL - 36 IS - 7 N2 - Mild traumatic brain injury (mTBI) constitutes 75~90% of all TBI cases and causes various physical, cognitive, emotional, and other psychological symptoms. Nogo receptor 1 (NgR1) is a regulator of structural brain plasticity during development and in adulthood. Here we used mice that, in the absence of doxycycline, overexpress NgR1 in forebrain neurons (MemoFlex) to determine the role of NgR1 in recovery from mTBI with respect to balance, cognition, memory and emotion. We compared wildtype (WT), MemoFlex and MemoFlex + doxycycline mice to the same three groups subjected to mTBI. mTBI was induced by a controlled 30g weight drop. We found that inability to down-regulate NgR1 significantly impairs recovery from mTBI-induced impairments. When the NgR1 transgene was turned off, recovery was similar to that of WT mice. The results suggest that ability to regulate NgR1 signaling is needed for optimal recovery of motor coordination and balance, spatial memory, cognition and emotional functions after mTBI.
Language: en
LA - en SN - 0897-7151 UR - http://dx.doi.org/10.1089/neu.2018.5949 ID - ref1 ER -