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Autism spectrum disorder model mice: Focus on copy number variation and epigenetics

Science China(Life Sciences) 2015年第10期58卷 976-984页

作者： nobuhiro nakai Susumu OTSUKA Jihwan MYUNG Toru TAKUMI Graduate School of Biomedical Sciences Hiroshima University Graduate School of Biostudies Kyoto University RIKEN Brain Science Institute Core Research for Evolutional Science and Technology Japan Science and Technology Agency

Autism spectrum disorder(ASD) is gathering concerns in socially developed countries. ASD is a neuropsychiatric disorder of genetic origin with high prevalence of 1%–2%. The patients with ASD characteristically show impaired social skills. Today, many genetic studies identify numerous susceptible genes and genetic loci associated with ASD. Although some genetic factors can lead to abnormal brain function linked to ASD phenotypes, the pathogenic mechanism of ASD is still unclear. Here, we discuss a new mouse model for ASD as an advanced tool to understand the mechanism of ASD.

关键词： copy number variations DNA methylation histone modification ASD model mouse

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Broccoli sprout extract induces detoxification-related gene expression and attenuates acute liver injury

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World Journal of Gastroenterology 2015年第35期21卷 10091-10103页

作者： Kazutaka Yoshida Yusuke Ushida Tomoko Ishijima Hiroyuki Suganuma Takahiro Inakuma nobuhiro Yajima Keiko Abe Yuji nakai Research and Development Division Kagome Co.Ltd. Department of Applied Biological Chemistry Graduate School of Agricultural and Life ScienceThe University of Tokyo Faculty of Contemporary Human Life Science Department of Food and NutritionTezukayama University Institute for Food Science Hirosaki University

AIM: To investigate the effects of broccoli sprout extract(BSEx) on liver gene expression and acute liver injury in the ***: First, the effects of BSEx on liver gene expression were examined. Male rats were divided into two groups. The Control group was fed the AIN-76 diet, and the BSEx group was fed the AIN-76 diet containing BSEx. After a 10-d feeding period, rats were sacrificed and their livers were used for DNA microarray and realtime reverse transcription-polymerase chain reaction(RT-PCR) analyses. Next, the effects of BSEx on acute liver injury were examined. In experiments using acute liver injury models, 1000 mg/kg acetaminophen(APAP) or 350 mg/kg D-galactosamine(D-Gal N) was used to induce injury. These male rats were divided into four groups: Control, BSEx, Inducer(APAP or D-Gal N), and Inducer+BSEx. The feeding regimens were identical for the two analyses. Twenty-four hours following APAP administration via p.o. or D-Gal N administration via i.p., rats were sacrificed to determine serum aspartate transaminase(AST) and alanine transaminase(ALT) levels, hepatic glutathione(GSH) and thiobarbituric acid-reactive substances accumulation and glutathioneS-transferase(GST) activity. RESULTS: Microarray and real-time RT-PCR analyses revealed that BSEx upregulated the expression of genes related to detoxification and glutathione synthesis in normal rat liver. The levels of AST(70.91 ± 15.74 IU/m L vs 5614.41 ± 1997.83 IU/m L, P < 0.05) and ALT(11.78 ± 2.08 IU/m L vs 1297.71 ± 447.33 IU/m L, P < 0.05) were significantly suppressed in the APAP + BSEx group compared with the APAP group. The level of GSH(2.61 ± 0.75 nmol/g tissue vs 1.66 ± 0.59 nmol/g tissue, P < 0.05) and liver GST activity(93.19 ± 16.55 U/g tissue vs 51.90 ± 16.85 U/g tissue, P < 0.05) were significantly increased in the APAP + BSEx group compared with the APAP group. AST(4820.05 ± 3094.93 IU/m L vs 12465.63 ± 3223.97 IU/m L, P < 0.05) and ALT(1808.95 ± 1014.04 IU/m L vs 3936.46 ± 777.52 IU/

关键词： Broccoli sprout Galactosamine Acute liver injury G

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