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RISS 인기검색어
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- 저자 : ( Yao Gui Sun ) (검색결과 4 건)
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Gui-Fen Zhou,Li-Qin Li,Jiemiao Lu,Jing Li,Chong Yao,Peng Sun,Kaohua Liu,Yan Dong,Luping Qin,Xiao-Dong Qian 한국원예학회 2020 Horticulture, Environment, and Biotechnology Vol.61 No.3
The quality of commercial saff ron largely depends on apocarotenoid levels. Whether they are aff ected by diff erent fl owercultivation regimes remains unknown. In present study, apocarotenoid levels and the expression profi les of 12 genes relatedto apocarotenoid biosynthesis between fi eld- and indoor-cultivated Crocus sativus L. were analyzed during stigma development. Under both cultivation regimes, apocarotenoid accumulation and gene expression showed similar profi les, fi rstsharply increasing and then gradually decreasing with stigma development, which suggested the coordinated function ofgene expression and apocarotenoid accumulation. However, the rate of increase/decrease varied widely between two blossomregimes at diff erent developmental stages. Based on correlation analysis, βCH1 and ZDS seemed to play a more crucial rolein apocarotenoid accumulation under both cultivation regimes. At anthesis, the total apocarotenoid level in saff ron cultivatedin the fi eld was higher than that cultivated indoors. This may be due to lower gene expression levels in the apocarotenoidpathway, especially βCH1 , ZDS , and CCD2 , and higher CCD4a and NCED expression in the competitive pathway in saff roncultivated indoors than that in the fi eld, which indicated higher conversion in apocarotenoid biosynthesis fl ux from crocinsand picrocrocin synthesis to β-ionone and the ABA biosynthetic branch in saff ron cultivated indoors. These results providevaluable information for modifying planting mode to enhance saff ron quality.
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( Jia Cheng ),( Na Sun ),( Xin Zhao ),( Li Niu ),( Mei Qin Song ),( Yao Gui Sun ),( Jun Bing Jiang ),( Jian Hua Guo2 ),( Yuan Sheng Bai ),( Jun Ping He ),( Hong Quan Li ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.8
Seventeen compounds derived from traditional Chinese medicines (TCMs) were tested for their antiviral activity against porcine reproductive and respiratory syndrome virus (PRRSV) in vitro. Visualization with the cytopathologic effect (CPE) assay and the 3-(4, 5-dimethyithiazol- 2-yl)-2,5-diphenyltetrazolium bromide test were used to determine the 50% cytotoxic concentration (CC50) and 50% effective concentration (EC50) in cultured Marc-145 cells. Among the tested compounds, chlorogenic acid and scutellarin showed potential anti-PRRSV activity. The EC50 values were 270.8 ± 14.6 μg/ml and 28.21 ± 26.0 μg/ml and the selectivity indexes were >5.54 and 35.5, respectively. The time-of-addition and virucidal assay indicated that the anti-PRRSV activity of the two compounds could be due to their inhibiting the early stage of virus replication and/or inactivating the virus directly. The inhibition of the virus attachment was not observed in the adsorption inhibition assay. The inhibition ratios of chlorogenic acid and scutellarin were, respectively, 90.8% and 61.1% at the maximum non-cytotoxic concentrations. The results have provided a basis for further exploration of their antiviral properties and mechanisms in vivo. We believe that the chlorogenic acid and scutellarin have a great potential to be developed as new anti-PRRSV drugs for clinical application.
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Qing-Feng Meng,Wei-Lin Wang,Xiao-Ting Ni,Hai-Bin Li,Gui-Zhe Yao,Xiao-Lin Sun,Wei-Li Wang,Wei Cong 대한기생충학열대의학회 2015 The Korean Journal of Parasitology Vol.53 No.6
The breeding of domestic rabbits (Oryctolagus cuniculus) for human consumption has a long tradition in China. Infections that can affect the production of meat or even be transmitted from animals to humans are important to monitor, especially for public health reasons as well as for their impact on animal health. Thus, a total of 1,132 domestic rabbit sera from 4 regions in China were collected for serological screening for Encephalitozoon cuniculi and for Toxoplasma gondii by ELISA and modified agglutination test (MAT), respectively. Antibodies to E. cuniculi were detected in 248/1,132 (21.9%) sera tested while antibodies against T. gondii revealed a seroprevalence of 51/1,132 (4.5%). We believe that the present results are of epidemiological implications and public health importance due to the acknowledged susceptibility of humans to E. cuniculi and T. gondii infections. Therefore, routine screening tests of domestic rabbits are proposed considering the zoonotic potential of these parasites.
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Cui, Zhi-Wen,Xia, Ye,Ye, Yi-Wang,Jiang, Zhi-Mao,Wang, Ya-Dong,Wu, Jian-Ting,Sun, Liang,Zhao, Jun,Fa, Ping-Ping,Sun, Xiao-Juan,Gui, Yao-Ting,Cai, Zhi-Ming Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.7
The molecular mechanisms involved in the progression of clear cell renal cell carcinomas (ccRCCs) are still unclear. The aim of this study was to analyse the relationships between expression of RALYL and clinical characteristics. In 41 paired samples of ccRCCs and adjacent normal tissues, we used real-time qPCR to evaluate the expression of RALYL mRNA. RALYL protein levels were determined in 146 samples of ccRCC and 37 adjacent normal tissues by immunohistochemistry. Statistical analysis was used to explore the relationships between expression of RALYL and the clinical characteristics (gender, age, tumor size, T stage, N stage, M stage, survival times and survival outcome) in ccRCC. In addition, these patients were follow-up period 64 months (range: 4~116months) to investigate the influence on prognosis. We found significantly differences between ccRCC tissues and normal tissues (p<0.001, paired-sample t test) in mRNA levels of RALYL. Immunohistochemistry analyses in 146 ccRCC samples and 37 adjacent normal tissues showed significantly lower RALYL protein levels in ccRCC samples (${\chi}^2$-test, p<0.001), inversely correlating with tumour size (p=0.024), T stage (0.005), N stage (p<0.001) as well as M stage (p=0.019), but not age (p=0.357) and gender (p=0.348). Kaplan-Meier survival analysis demonstrated that people with lower level of RALYL expression had a poorer survival rate than those with a higher level of RALYL expression, significantly different by the log-rank test (p=0.011). Cox regression analysis indicated that RALYL expression (p=0.039), N stage (p=0.008) and distant metastasis (p<0.001) were independent prognosis factors for the overall survival of ccRCC patients. We demonstrated that the expression of RALYL was significantly low in ccRCC and correlated with a poor prognosis in a large number of clinical samples. Our findings showed that RALYL may be a potential therapeutic target as well as a poor prognostic factor.
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