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Lycopene Inhibits Ischemia/Reperfusion-Induced Neuronal Apoptosis in Gerbil Hippocampal Tissue.
MedLine Citation:
PMID:  23296626     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Plant lycopene exhibits antioxidant activity in animal tissues. Transient cerebral ischemia/reperfusion in Mongolian gerbils resulted in delayed neuronal death in hippocampal regions. We examined the antioxidant effects of lycopene because we expected lycopene to attenuate ischemia-related neuronal damage by controlling apoptosis at the gene level. The gerbils were divided into two groups: the normal feeding (control) group that received normal market food (MF) and the lycopene group that received MF containing lycopene (5 mg in 100 g MF food). After 1.5-2.0 months (when body weight were 60-65 g), the lycopene level was 38.2 ± 17.6 ng/ml in serum and 11.9 ± 4.0 μg/g-wet weight tissue in the liver. Levels of B cell leukemia-2, an apoptosis-suppressing protein, decreased in control animal brains 1, 3, and 7 days after surgery, whereas the levels increased in lycopene-treated animal brains. Moreover, cysteinyl aspartate-specific protease-3 activity increased gradually after ischemia, but was suppressed in the lycopene-treated animal brains 7 days after surgery. Finally, hippocampal superoxide dismutase (SOD) activity decreased in the control group 3 h after ischemia and, gradually increased thereafter, whereas it was significantly elevated in the lycopene group. Thus, orally administered lycopene is accumulated in the body, and provided protections against ischemia/reperfusion-induced brain injury by inducing an increase in SOD activity and inhibiting apoptosis.
Authors:
Kimikazu Fujita; Nobuko Yoshimoto; Toshiaki Kato; Hideki Imada; Gaku Matsumoto; Takahiro Inakuma; Yutaka Nagata; Eiichi Miyachi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-8
Journal Detail:
Title:  Neurochemical research     Volume:  -     ISSN:  1573-6903     ISO Abbreviation:  Neurochem. Res.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7613461     Medline TA:  Neurochem Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Physiology, School of Medicine, Fujita Health University, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan, fujita-k@ohkagakuen-u.ac.jp.
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