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Hui Shao,Tian-hong Liu,Cong-Fu Ran,Li-Qun Li,Jing Yu,Xin Gao,Xue-Jun Li 한국유전학회 2015 Genes & Genomics Vol.37 No.1
High molecular weight glutenin subunits(HMW-GS) play a significant role in determining breadmakingqualities of common wheat flour. The study presentedin the paper identified two novel HMW-GS (designatedas 1Bx14* and 1By15*) at the Glu-B1 locus inChinese wheat (Triticum aestivum L.) landrace Banjiemangby SDS-PAGE. The open reading frames (ORFs) of thegenes were amplified and cloned with designed specificprimers. Both of them had sequences highly similar tothose of other HMW-GS genes, but displayed minormodification. The ORF of 1Bx14* was 2367 bp long andencoded 789 aa with 4 cysteines, which included 25nanopeptides, 65 hexapeptides and 7 tripeptides motifs. The ORF of 1By15* was 2106 bp long and encoded 702 aawith 7 cysteines, which included 23 nanopeptides and 53hexapeptides motifs. The predicted molecular weights ofthe mature proteins encoded by 1Bx14* and 1By15* geneswere 83.1 and 73.2 k Da, respectively. The presence andauthenticity of the two genes in Banjiemang were confirmedby bacterial expression and liquid chromatographyelectrosprayionization mass spectrometry (LC–ESI–MS). By phylogenetic analysis, the 1Bx14* was clustered withx-type subunits but had a high divergence with other 1Bxsubunits, whereas the 1By15* was clustered with y-typesubunits and closely related to subunit 1By15. The studyconcluded that 1Bx14* and 1By15* from Banjiemang werenovel allelic variations of HMW-GS at Glu-B1 locus,which were probably exploitable as new resources forwheat quality improvement.
The Synthesis and Preliminary Activity Assay In Vitro of Peptide-like Derivatives as APN Inhibitors
Li, Shao-Hua,Li, Gang,Huang, Hui-Ming,Xiong, Fang,Liu, Cheng-Mei,Tu, Guo-Gang 대한약학회 2008 Archives of Pharmacal Research Vol.31 No.10
Both the aminopeptidase N (APN) and matrix metalloproteinase (MMP) are essential metallopeptidases in the development of tumor invasion and angiogenesis. A series of novel peptide-like derivatives were designed and synthesized as antitumor agents. Their structures were confirmed by IR, MS, and $^1H$-NMR. These compounds exhibited potent inhibitory activities against APN and low activity against MMP in vitro. The derivatives with methoxy group show better activities than those with other substituted group and could be used as lead compounds for exploring new APN inhibitors in the future.
Shao Nian Li,Hui Wang,Pan Yang,Yi Li,JunHu Yang 한국유체기계학회 2021 International journal of fluid machinery and syste Vol.14 No.1
This paper sets up both a force balance equation and a three-dimensional geometric model of a flexible side plate in an intra-vane type pump, after analyzing the structure and mechanical properties of the plate. The formulas for calculating deformation were obtained, and the theoretical curve of change in deformation was determined. Then, the contour of deformation was obtained using software simulation. The calculated and simulated values of deformation of the flexible side plate, in three positions under four working pressures, were found to be close to one another, the relative error between them being less than 2%. Next, the formula for the calculation of oil film thickness was obtained, and the curve of the change in oil film thickness relative to the distance along the radial direction of the side plate was determined, considering the flexible side plate deformation. The oil film thickness for three flexible side plate positions were then tested through experiment. The calculated values of oil film thickness were also close to the tested values. Although there was a small difference, the relative error between them was less than 5% for the oil film thickness measured at its lowest point, which indicates the accuracy of the results obtained by the theoretical calculation.
The Synthesis and Preliminary Activity Assay In Vitro of Peptide-like Derivatives as APN Inhibitors
Shao-hua Li,Hui-ming Huang,Fang Xiong,Guo-gang Tu,Gang Li 대한약학회 2008 Archives of Pharmacal Research Vol.31 No.10
Both the aminopeptidase N (APN) and matrix metalloproteinase (MMP) are essential metallopeptidases in the development of tumor invasion and angiogenesis. A series of novel peptide-like derivatives were designed and synthesized as antitumor agents. Their structures were confirmed by IR, MS, and 1H-NMR. These compounds exhibited potent inhibitory activities against APN and low activity against MMP in vitro. The derivatives with methoxy group show better activities than those with other substituted group and could be used as lead compounds for exploring new APN inhibitors in the future.
Li, Zhi-Fang,Wang, Shao-Ming,Shi, Ju-Fang,Zhao, Fang-Hui,Ma, Jun-Fei,Qiao, You-Lin,Feng, Xiang-Xian Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.7
Objectives: To investigate the current prevalence and knowledge of cervical cancer, breast cancer and reproductive tract infections (RTIs) in rural Chinese women, and to explore the acceptance and feasibility of implementing a combined screening program in rural China. Methods: A population-based, cross-sectional study was conducted among women aged 30 to 59 years old in Xiangyuan County, Shanxi Province from 2009 to 2010. Socio-demographic characteristics, knowledge of cervical cancer, breast cancer and RTIs, and the attitude toward single or combined screening were collected by an interview questionnaire. Each participant received a clinical examination of the cervix, breast and reproductive tract. Examinations included visual inspection, mammography, laboratory tests and pathological diagnosis. Results: A total of 1,530 women were enrolled in this study. The prevalence of cervical precancerous lesions, suspicious breast cancer, suspicious benign breast disease and RTIs was 1.4%, 0.2%, 14.0% and 54.3%, respectively. Cervicitis, trichomonas vaginitis, and bacterial vaginitis were the three most common RTIs among our participants. Television, radio broadcast, and public education during screening were the major source of healthcare knowledge in rural China. Moreover 99.7% of women expressed great interest in participating in a combined screening project. The affordable limit for combined screening project was only 50 RMB for more than half of the rural women. Conclusion: A combined screening program would be more effective and popular than single disease screening projects, while appropriate accompanied education and a co-pay model for its successful implementation need to be explored, especially in low-resource settings.
An Improved Mesh Simplification Algorithm Based on Quadric Error Metrics
Shao-Hui Huang,Bo-liang Wang,Wei-li Wu 대한의료정보학회 2007 Healthcare Informatics Research Vol.13 No.2
Objective: Quadric Error Metrics (QEM) algorithm can simplify complex 3D models. However, for its simple error metrics, QEM is not suitable to simplify medical model that contains many minute detail features. We need to develop a new algorithm because we are often interested in these features. Methods: Based on QEM, We classify the vertex into seven classes. Different class has different cost of collapse. In our algorithm, collapse usually occurs with the lowest cost during simplification, thus minute feature can be preserved as possible. We also introduce the average of correlative triangles' area to estimate the volume change during the simplification. Results: We test our algorithm on several complex medical models and find that our improved algorithm is effective and fast. Conclusion: To simplify a complex medical model, we want to preserve the minute feature during simplification. By classifying the vertexes, we develop an improved algorithm based on QEM. The testing results shows that our algorithm not only maintains the high efficiency of QEM algorithm, but also meets the high requirements of medical image processing on fidelity and mesh quality. (Journal of Korean Society of Medical Informatics 13-2, 165-169, 2007)
Growth and Differentiation Effects of Homer3 on a Leukemia Cell Line
Li, Zheng,Qiu, Hui-Ying,Jiao, Yang,Cen, Jian-Nong,Fu, Chun-Mei,Hu, Shao-Yan,Zhu, Ming-Qing,Wu, De-Pei,Qi, Xiao-Fei Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.4
The Homer protein family, also known as the family of cytoplasmic scaffolding proteins, which include three subtypes (Homer1, Homer2, Homer3). Homer3 can regulate transcription and play a very important role in the differentiation and development for some tissues (e.g. muscle and nervous systems). The current studies showed that Homer3 abnormal expression changes in acute myeloid leukemia (AML). Forced expression of Homer3 in transfected K562 cells inhibited proliferation, influenced the cell cycle profile, affected apoptosis induced by $As_2O_3$ through inhibition of Bcl2 expression, and also promoted cell differentiation induced by 12-O-tetra decanoylphorbol-acetate (TPA). These results showed that Homer3 is a novel gene which plays a certain role in the occurrence and development of AML.