PMID- 30356585 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220330 IS - 2213-2961 (Electronic) IS - 2095-2546 (Print) IS - 2213-2961 (Linking) VI - 6 IP - 2 DP - 2017 Jun TI - Obesity promotes oxidative stress and exacerbates blood-brain barrier disruption after high-intensity exercise. PG - 225-230 LID - 10.1016/j.jshs.2016.06.005 [doi] AB - PURPOSE: The purpose of this study was to investigate the effects of obesity and high-intensity acute exercise on oxidant-antioxidant status, neurotrophic factor expression, and blood-brain barrier (BBB) disruption. METHODS: Twenty-four healthy, untrained men (12 non-obese (mean 14.9% body fat) and 12 obese subjects (mean 29.8% body fat)) performed 20 min of continuous submaximal aerobic exercise at 85% maximal oxygen consumption. Blood sampling was performed to examine the oxidant-antioxidant status (reactive oxygen species (ROS) and superoxide dismutase (SOD)), neurotrophic factors (brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF)), and BBB disruption (S100beta and neuron-specific enolase) before and after acute exercise. RESULTS: The obese group showed significantly higher pre-exercise serum ROS levels and significantly lower pre-exercise serum SOD levels than the non-obese group (p < 0.05). Serum ROS, SOD, BDNF, NGF, and S100beta levels were significantly increased post-exercise compared with pre-exercise levels in both the non-obese and the obese groups (p < 0.05). The obese group showed significantly higher serum ROS, BDNF, NGF, and S100beta levels post-exercise compared to the non-obese group (p < 0.05). CONCLUSION: Our study suggests that episodic vigorous exercise can increase oxidative stress and blood neurotrophic factor levels and induce disruption of the BBB. Moreover, high levels of neurotrophic factor in the blood after exercise in the obese group may be due to BBB disruption, and it is assumed that oxidative stress was the main cause of this BBB disruption. FAU - Roh, Hee-Tae AU - Roh HT AD - Department of Physical Education, Dong-A University, Busan 604-714, Republic of Korea. FAU - Cho, Su-Youn AU - Cho SY AD - School of Taekwondo, College of Creative Human Resources, Youngsan University, Yangsan-si 626-790, Republic of Korea. FAU - So, Wi-Young AU - So WY AD - Sports and Health Care Major, College of Humanities and Arts, Korea National University of Transportation, Chungju-si 380-702, Republic of Korea. LA - eng PT - Journal Article DEP - 20160627 PL - China TA - J Sport Health Sci JT - Journal of sport and health science JID - 101606001 PMC - PMC6188985 OTO - NOTNLM OT - Antioxidant enzyme OT - Blood-brain barrier OT - Exercise OT - Neurotrophic factor OT - Obesity OT - Oxidative stress EDAT- 2017/06/01 00:00 MHDA- 2017/06/01 00:01 PMCR- 2016/06/27 CRDT- 2018/10/26 06:00 PHST- 2015/11/06 00:00 [received] PHST- 2016/03/25 00:00 [revised] PHST- 2016/04/06 00:00 [accepted] PHST- 2018/10/26 06:00 [entrez] PHST- 2017/06/01 00:00 [pubmed] PHST- 2017/06/01 00:01 [medline] PHST- 2016/06/27 00:00 [pmc-release] AID - S2095-2546(16)30044-8 [pii] AID - 10.1016/j.jshs.2016.06.005 [doi] PST - ppublish SO - J Sport Health Sci. 2017 Jun;6(2):225-230. doi: 10.1016/j.jshs.2016.06.005. Epub 2016 Jun 27.