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      • Lectin from Agrocybe aegerita as a Glycophenotype Probe for Evaluation of Progression and Survival in Colorectal Cancer

        Liang, Yi,Chen, Hua,Zhang, Han-Bin,Jin, Yan-Xia,Guo, Hong-Qiang,Chen, Xing-Gui,Sun, Hui Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.14

        Background: Agrocybe aegerita Lectin (AAL) has been identified to have high affinity for sulfated and ${\alpha}2$-3-linked sialic acid glycoconjugates, especially the sulfated and sialyl TF (Thomsen-Friedenreich) disaccharide. This study was conducted to investigate the clinicopathological and prognostic value of AAL in identifying aberrant glycosylation in colorectal cancer (CRC). Materials and Methods: Glycoconjugate expression in 59 CRC tissues were detected using AAL-histochemistry. Clinicopathological associates of expression were analyzed with chisquare test or Fisher's exact test. Relationships between expression and the various clinicopathological parameters was estimated using Kaplan-Meier analysis and Cox regression models. Results: AAL specific glycoconjugate expression was significantly higher in tumor than corresponding normal tissues (66.1% and 46.1%, respectively, p=0.037), correlating with depth of invasion (p=0.015) and TNM stage (p=0.024). Patients with lower expression levels had a significantly higher survival rate than those with higher expression (p=0.046 by log rank test and p=0.047 by Breslow test for overall survival; p=0.054 by log rank test and P=0.038 by Breslow test for progress free survival). A marginally significant association was found between AAL specific glycoconjugate expression and overall survival by univariate Cox regression analysis (p=0.059). Conclusions: Lower AAL specific glycoconjugate expression is a significant favorable prognostic factor for overall and progress free survival in CRC. This is the first report about the employment of AAL for histochemical analysis of cancer tissues. The binding characteristics of AAL means it has potential to become a powerful tool for the glycan investigation and clinical application.

      • KCI등재

        Transcriptome sequencing and analysis of sweet osmanthus (Osmanthus fragrans Lour.)

        Hong Na Mu,Liang Gui Wang,Huo Gen Li,Xiu Lian Yang,Tao Ze Sun,Chen Xu 한국유전학회 2014 Genes & Genomics Vol.36 No.6

        Osmanthus fragrans is a woody, evergreenspecies of shrubs and small trees that is extensively plantedin sub-tropical and temperate climates as an ornamentalplant in gardens and for its health benefits. The flower colorranges from ivory to orange to pink among different varietiesand even color difference during the whole blossom inthe sweet osmanthus. Sweet osmanthus is widely cultivatedthroughout China and other countries due to its prominentfragrance, colorful flowers, and medicinal properties. However, the scanty genomic resources in the Olea familyhave greatly hindered further exploration of its geneticmechanism on these economically important traits. In thisstudy, transcriptome sequencing of O. fragrans was performedusing the Illumina HighSeqTM2000 sequencingplatform. Next generation sequencing (NGS) of the transcriptomeof O. fragrans produced 31.7G of clean bases(211,266,818 clean reads) that were assembled into256,774 transcripts and 117,595 unigenes. Of them, 197and 237 candidate genes involved in fragrance and pigmentbiosynthesis respectively were identified based on functionannotation. Meanwhile, 1 unnamed protein and 468 functionalunknown genes were also identified. Furthermore,mRNA sequencing expression profiling of O. fragranswere compared to previous genes’. In summary, thiscomprehensive transcriptome dataset allows the identificationof genes associated with several major metabolicpathways and provides a useful public information platformfor further functional genomic studiesin O. fragransLour.

      • Observation of the topological surface state in the nonsymmorphic topological insulator KHgSb

        Liang, A. J.,Jiang, J.,Wang, M. X.,Sun, Y.,Kumar, N.,Shekhar, C.,Chen, C.,Peng, H.,Wang, C. W.,Xu, X.,Yang, H. F.,Cui, S. T.,Hong, G. H.,Xia, Y.-Y.,Mo, S.-K.,Gao, Q.,Zhou, X. J.,Yang, L. X.,Felser, C. American Physical Society 2017 Physical review. B Vol.96 No.16

        <P>Topological insulators represent unusual topological quantum states, typically with gapped bulk band structure but gapless surface Dirac fermions protected by time-reversal symmetry. Recently, a distinct kind of topological insulator resulting from nonsymmorphic crystalline symmetry was proposed in the KHgX (X = As, Sb, Bi) compounds. Unlike regular topological crystalline insulators, the nonsymmorphic glide-reflection symmetry in KHgX guarantees the appearance of an exotic surface fermion with hourglass shape dispersion (where two pairs of branches switch their partners) residing on its (010) side surface, contrasting to the usual two-dimensional Dirac fermion form. Here, by using high-resolution angle-resolved photoemission spectroscopy, we systematically investigate the electronic structures of KHgSb on both (001) and (010) surfaces and reveal the unique in-gap surface states on the (010) surface with delicate dispersion consistent with the 'hourglass Fermion' recently proposed. Our experiment strongly supports that KHgSb is a nonsymmorphic topological crystalline insulator with hourglass fermions, which serves as an important step to the discovery of unique topological quantum materials and exotic fermions protected by nonsymmorphic crystalline symmetry.</P>

      • The Model of the Exploratory Factor Analysis about Residents’ will of Rural Land Transfer

        Sun Shanhui,Li Hong,Xiao Liang,Li Zhuangzhuang,Zhang Bingqiu 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.8

        In order to improve the living conditions of the residents and improve the satisfaction of rural land transfer, by constructing the structural equation model of government policies, re-employment and residents’ will of rural land transfer, this paper analyzes the promoting effect of the government policies and re-employment work. The results show: There is a significant correlation among residents’ will of rural land transfer, government policies and re-employment work. The government should improve management institution of rural land transfer to supervise each link of the rural land transfer, especially for the signing and implementation of the contract. To deal with the conflict appeared in the rural land transfer; the grass-roots government should set reasonable management systems and refine the implementation of these systems. Grass-roots government takes systematically training of cadres in rotation to improve the management capacity of grass-roots cadres.

      • Association Between GSTM1 Polymorphism and Nasopharyngeal Cancer Susceptibility: a Meta-analysis

        Sun, Zhen-Feng,Zhang, Jia,Xu, Hong-Ming,Wang, Guo-Liang,Dong, Pin Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.11

        Background/Aims: Glutathione S-transferase M1 (GSTM1) is a multifunctional enzyme that plays a critical role in the detoxification of varieties of carcinogenic metabolites. Many studies have been conducted to investigate the association between GSTM1 polymorphism and nasopharyngeal cancer (NPC) risk, but the findings among those studies are inconsistent. To assess this relationship more precisely, we performed a meta-analysis of all available studies on the subject. Methods: Case-control studies were identified by searching Pubmed, Embase, ISI Web of Science, and Wanfang databases through September 6, 2012. We used the pooled odds ratio (OR) with its corresponding 95% confidence interval (95%CI) to evaluate the association of GSTM1 polymorphism with NPC susceptibility. Subgroup analyses by pathological types, sex and smoking status were performed to further identify the association. Results: Overall, 11 published studies with 1,513 cases and 2,802 controls were finally included into this meta-analysis according to the inclusion criteria. Meta-analysis of total studies showed that the null genotype of GSTM1 was significantly associated with increased risk of NPC, when comparing with the non-null genotype (OR=1.51, 95%CI=1.33-1.72, POR<0.001). The association was still statistically significant in subgroup analysis of patients with nasopharyngeal squamous cell carcinoma (OR=1.73, 95%CI=1.24-2.42, POR=0.001). Males with the null genotype of GSTM1 were more likely to subject to NPC than females. In addition, the association between the null genotype of GSTM1 and NPC risk was strongest in individuals with exposure to smoking. Sensitivity analysis by sequential omission of any individual studies one at a time further demonstrated the significant association. Conclusions: The findings suggest that the null genotype of GSTM1 is a risk factor for NPC, and there is a gene-smoking interaction in this association.

      • KCI등재후보

        The Classic Security Application in M2M: the Authentication Scheme of Mobile Payment

        ( Liang Hu ),( Ling Chi ),( Hong-tu Li ),( Wei Yuan ),( Yu Yu Sun ),( Jian-feng Chu ) 한국인터넷정보학회 2012 KSII Transactions on Internet and Information Syst Vol.6 No.1

        As one of the four basic technologies of IOT (Internet of Things), M2M technology whose advance could influence on the technology of Internet of Things has a rapid development. Mobile Payment is one of the most widespread applications in M2M. Due to applying wireless network in Mobile Payment, the security issues based on wireless network have to be solved. The technologies applied in solutions generally include two sorts, encryption mechanism and authentication mechanism, the focus in this paper is the authentication mechanism of Mobile Payment. In this paper, we consider that there are four vital things in the authentication mechanism of Mobile Payment: two-way authentication, re-authentication, roaming authentication and inside authentication. Two-way authentication is to make the mobile device and the center system trust each other, and two-way authentication is the foundation of the other three. Re-authentication is to re-establish the active communication after the mobile subscriber changes his point of attachment to the network. Inside authentication is to prevent the attacker from obtaining the privacy via attacking the mobile device if the attacker captures the mobile device. Roaming authentication is to prove the mobile subscriber`s legitimate identity to the foreign agency when he roams into a foreign place, and roaming authentication can be regarded as the integration of the above three. After making a simulation of our proposed authentication mechanism and analyzing the existed schemes, we summarize that the authentication mechanism based on the mentioned above in this paper and the encryption mechanism establish the integrate security framework of Mobile Payment together. This makes the parties of Mobile Payment apply the services which Mobile Payment provides credibly.

      • KCI등재

        Characteristics of Cholesterol-lowering Lactobacillus casei subsp. casei strain GL-03 Isolated from Cheese

        Hong-Man Hou,Dong-Qi Guo,Gong-Liang Zhang,Li-Ming Sun,Yu-Na Cui 한국응용생명화학회 2014 Applied Biological Chemistry (Appl Biol Chem) Vol.57 No.5

        Cholesterol-lowering effect of lactic acid bacteria iswell-known. In the present study, nine cholesterol-loweringLactobacillus strains from Chinese traditional cheese, pickle, andyoghurt were screened and characterized for their potential use. The microbial contents of all strains significantly decreased at pH1.5; however, the residual counts of Lactobacillus casei subsp. casei GL-03, L. plantarum ZP-Z, L. plantarum ZP-05, and L. brevis ZP-04 were more than 107 CFU/mL after incubation for 6h. All nine strains of Lactobacillus indicated good tolerance to bileat concentration less than 0.2% after incubation for 2 to 6 h. L. plantarum ZP-W had maximum hydrophobicity towards xylene,whereas GL-03 strain possessed maximum hydrophobicity forboth hexadecane and octane. ZP-05 strain had more effectiveinhibitory activity against both Staphylococcus aureus and Bacillussubtilis than other eight strains. Furthermore, GL-03 strainsignificantly reduced cholesterol TC and TG levels in hyperlipidemiamice fed high-cholesterol diet. The growth of GL-03 strain waspromoted by five kinds of Chinese herbal medicines, and theChinese hawthorn at concentration of 0.0125% showed thehighest promoting effect. These results suggest that L. casei subsp. casei GL-03 may be effective as a probiotic with cholesterollowingactivities.

      • SCIESCOPUSKCI등재

        Comparison of organic acids supplementation on the growth performance, intestinal characteristics and morphology, and cecal microflora in broilers fed corn-soybean meal diet

        Sun, Hao Yang,Zhou, Hong Bin,Liu, Yang,Wang, Yue,Zhao, Cheng,Xu, Liang Mei Asian Australasian Association of Animal Productio 2022 Animal Bioscience Vol.35 No.11

        Objective: The aim of this study was to compare the effects of three kinds of organic acid (OA) products on the growth performance, intestinal characteristics and morphology, and cecal microflora in broilers fed a corn-soybean meal meal diet. Methods: A total of 420 one-day-old male Cobb 500 broilers with an average initial body weight of 49.11±1.02 g were used in this 42-day experiment. Birds were randomly allotted to one of five treatments (7 replicates with 12 birds per replicate). Treatments consisted of negative control (NC), basal diet; positive control (PC), basal diet+100 mg/kg of Aviramycin; OA1, basal diet+500 mg/kg of OA product 1; OA2, basal diet+1,000 mg/kg of OA product 2; and OA3, basal diet+1,200 mg/kg of OA product 3. Results: The results indicated that OA product addition had no effect on growth performance parameters, such as body weight gain, feed intake, and feed conversion ratio, from days 1 to 14, 15 to 28, and 0 to 42, or on the pH values of the intestine, intestinal weight, or intestinal weight to body weight ratio. The intestinal morphology in terms of villus height and crypt depth were affected by dietary supplementation of OA products, respectively. Furthermore, dietary addition of OAs had positive influences on the maintenance of the cecal microflora based on the results of 16S rRNA analysis. Conclusion: Dietary inclusion of three kinds of OA products all benefit broilers, but the mode of action may be different. This study provides a basis for the application of OA products used in the poultry industry.

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