[논문]Brain Factor-7® improves learning and memory deficits and attenuates ischemic brain damage by reduction of ROS generation in stroke in vivo and in vitro

Noh, Yoohun; Ahn, Ji Hyeon; Lee, Ji-Won; Hong, Junkee; Lee, Tae-Kyeong; Kim, Bora; Kim, Sung-Su; Won, Moo-Ho

doi:10.1186/s42826-020-00057-x

Brain Factor-7® improves learning and memory deficits and attenuates ischemic brain damage by reduction of ROS generation in stroke in vivo and in vitro 원문보기

Laboratory animal research, v.36, 2020년, pp.24 -

Noh, Yoohun (Department of Anatomy and Cell Biology and Neurology, College of Medicine, Chung-Ang University, Seoul, 06974 Republic of Korea) , Ahn, Ji Hyeon (Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chuncheon, Gangwon 24252 Republic of Korea) , Lee, Ji-Won (Famenity Co., Ltd., Uiwang, Gyeonggi 16006 Republic of Korea) , Hong, Junkee (Famenity Co., Ltd., Uiwang, Gyeonggi 16006 Republic of Korea) , Lee, Tae-Kyeong (Department of Biomedical Science and Research Institute of Bioscience and Biotechnology, Hallym University, Chuncheon, Gangwon 24252 Republic of Korea) , Kim, Bora (Department of Neurobiology, School of Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon, Gangwon 24341 Republic of Korea) , Kim, Sung-Su (Famenity Co., Ltd., Uiwang, Gyeonggi 16006 Republic of Korea) , Won, Moo-Ho (Department of Neurobiology, School of Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon, Gangwon 24341 Republic of Korea)

Abstract ▼ AI-Helper

Brain Factor-7® (BF-7), silk fibroin peptide, is known to be effective in improvement of memory and learning ability. In this study, the effects of BF-7 (10 mg/kg, p.o., pre-treatment for 7 days and post-treatment for 7 days) on neuroprotection and memory and learning functions were investigated in a rat model of transient focal cerebral ischemia and a gerbil model of transient global forebrain ischemia. Furthermore, to find the mechanism of BF-7, we examined the neuroprotective and antioxidative effects of BF-7 in vitro using neuroblastoma (SH-SY5Y) cells. In vivo model, treatment with BF-7 significantly reduced the number of errors in 8-arm maze test and significantly increased latency time in passive avoidance test at 7 days after focal ischemia compared to those in the vehicle-treated group. In addition, treatment with BF-7 significantly decreased the infarct size or neuronal death at 7 day following transient ischemia compared to that in the vehicle-treated group. In vitro model, 10 or 20 μg/ml of BF-7 treatment significantly increased cell viability in dose-dependent manner. In addition, oxidative stress was significantly attenuated in the ischemic cells, showing that 10 or 20 μg/ml of BF-7 treatment significantly reduced the generation of reactive oxygen species (ROS) compared to that in the ischemic cells. These results indicate that BF-7 treatment can attenuate ischemic damages and improve memory deficits via reduction of ROS generation.

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Brain Factor-7® improves learning and memory deficits and attenuates ischemic brain damage by reduction of ROS generation in stroke in vivo and in vitro 원문보기

Abstract ▼ AI-Helper

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