PMID- 25506838 OWN - NLM STAT- MEDLINE DCOM- 20151130 LR - 20181113 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 9 IP - 12 DP - 2014 TI - Neuroprotective mechanism of BNG-1 against focal cerebral ischemia: a neuroimaging and neurotrophin study. PG - e114909 LID - 10.1371/journal.pone.0114909 [doi] LID - e114909 AB - BNG-1 is a herb complex used in traditional Chinese medicine to treat stroke. In this study, we attempted to identify the neuroprotective mechanism of BNG-1 by using neuroimaging and neurotrophin analyses of a stroke animal model. Rats were treated with either saline or BNG-1 for 7 d after 60-min middle cerebral artery occlusion by filament model. The temporal change of magnetic resonance (MR) imaging of brain was studied using a 7 Tesla MR imaging (MRI) system and the temporal expressions of neurotrophin-3 (NT-3), brain-derived neurotrophic factor (BDNF), and nerve growth factor (NGF) in brain were analyzed before operation and at 4 h, 2 d, and 7 d after operation. Compared with the saline group, the BNG-1 group exhibited a smaller infarction volume in the cerebral cortex in T2 image from as early as 4 h to 7 d, less edema in the cortex in diffusion weighted image from 2 to 7 d, earlier reduction of postischemic hyperperfusion in both the cortex and striatum in perfusion image at 4 h, and earlier normalization of the ischemic pattern in the striatum in susceptibility weighted image at 2 d. NT-3 and BDNF levels were higher in the BNG-1 group than the saline group at 7 d. We concluded that the protective effect of BNG-1 against cerebral ischemic injury might act through improving cerebral hemodynamics and recovering neurotrophin generation. FAU - Chi, Nai-Fang AU - Chi NF AD - Department of Neurology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan, and Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan. FAU - Liu, Ho-Ling AU - Liu HL AD - Department of Medical Imaging and Radiological Sciences, Chang Gung University College of Medicine, Taoyuan, Taiwan. FAU - Yang, Jen-Tsung AU - Yang JT AD - Department of Neurosurgery, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan, and Department of Neurosurgery, Chang Gung University College of Medicine, Taoyuan, Taiwan. FAU - Lin, Jr-Rung AU - Lin JR AD - Clinical Informatics and Medical Statistics Research Center, Chang Gung University, Taoyuan, Taiwan. FAU - Liao, Shu-Li AU - Liao SL AD - Department of Traditional Chinese Medicine, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan. FAU - Peng, Bo-Han AU - Peng BH AD - Department of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan. FAU - Lee, Yen-Tung AU - Lee YT AD - Department of Traditional Chinese Medicine, En Chu Kong Hospital, New Taipei City, Taiwan. FAU - Lee, Tsong-Hai AU - Lee TH AD - Stroke Center and Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan, and Chang Gung University College of Medicine, Taoyuan, Taiwan. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20141215 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (Drugs, Chinese Herbal) RN - 0 (Neuroprotective Agents) RN - 0 (Neurotrophin 3) RN - 0 (Phosphodiesterase Inhibitors) RN - 9061-61-4 (Nerve Growth Factor) SB - IM MH - Animals MH - Brain/*drug effects/*pathology MH - Brain Ischemia/*drug therapy/pathology MH - Brain-Derived Neurotrophic Factor/analysis MH - Drugs, Chinese Herbal/*therapeutic use MH - Infarction, Middle Cerebral Artery/drug therapy/pathology MH - Magnetic Resonance Imaging MH - Male MH - Nerve Growth Factor/analysis MH - Neuroimaging MH - Neuroprotective Agents/*therapeutic use MH - Neurotrophin 3/analysis MH - Phosphodiesterase Inhibitors/*therapeutic use MH - Rats MH - Rats, Sprague-Dawley PMC - PMC4266630 COIS- Competing Interests: The authors have declared that no competing interests exist. EDAT- 2014/12/17 06:00 MHDA- 2015/12/15 06:00 PMCR- 2014/12/15 CRDT- 2014/12/16 06:00 PHST- 2014/04/25 00:00 [received] PHST- 2014/11/15 00:00 [accepted] PHST- 2014/12/16 06:00 [entrez] PHST- 2014/12/17 06:00 [pubmed] PHST- 2015/12/15 06:00 [medline] PHST- 2014/12/15 00:00 [pmc-release] AID - PONE-D-14-06004 [pii] AID - 10.1371/journal.pone.0114909 [doi] PST - epublish SO - PLoS One. 2014 Dec 15;9(12):e114909. doi: 10.1371/journal.pone.0114909. eCollection 2014.