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Rong-hua Pan,Feng-yan Xie,Hui-mei Chen,Li-zhi Xu,Xiao-chun Wu,Ling-ling Xu,Gang Yao 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.3
Salvianolic acid B (Sal B) is the most abundant bioactive molecule from Radix Salviae Miltiorrhizae, and has recently been used for treating renal fibrosis in traditional Chinese medicine. Here we investigated the ability reversal of Sal B to reverse the transdifferentiation of human kidney proximal tubular epithelial cells that was induced by transforming growth factor-beta 1 (TGF-β1). The effects of Sal B on HK-2 cell morphology were observed by phase contrast microscopy, while alpha smooth muscle actin and E-cadherin were studied by immunocytochemistry and real-time reverse transcription polymerase chain reaction, respectively. Exposure of HK-2 cells to TGF-β1 for 72 h induced a complete conversion of the epithelial cells to myofibroblasts. When HK-2 cells were co-incubated with Sal B and TGF-β1 for a further 72 h, the morphology of myofibroblasts returned to that of proximal tubular epithelial cells,whereas the myofibroblast phenotype was maintained after exposure of cells to TGF-β1 for 144 h. Sal B reduced alpha smooth muscle actin levels and increased E-cadherin levels compared with their epithelial-to-mesenchymal transition controls. The reversal effect of Sal B was dose-dependent. That Sal B reverses the epithelial-to-mesenchymal transition in vitro suggests that it could possibly facilitate the repair of tubular epithelial structures and the regression of renal fibrosis in injured kidneys.
Nonempty intersection theorems and system of generalized vector equilibrium problems in FC-spaces
Rong-Hua He,Hong-Xu Li 대한수학회 2013 대한수학회보 Vol.50 No.1
By using some existence theorems of maximal elements for a family of set-valued mappings involving a better admissible set-valued mapping under noncompact setting of FC-spaces, we present some non- empty intersection theorems for a family {Gi}i∈I in product FC-spaces. Then, as applications, some new existence theorems of equilibrium for a system of generalized vector equilibrium problems are proved in product FC-spaces. Our results improve and generalize some recent results.
Da-Hua Shi,Jun-Hua Wu,Zhi-Qiang Yan,Li-Na Zhang,Yu-Rong Wang,Chun-Ping Jiang 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.9
To find the multi-target-directed compounds for the treatment of Alzheimer’s disease (AD), we synthesized 7-(4-(diethylamino)butoxy)-5-hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one, a novel 7-O-modified genistein derivative (GS-14), and investigated its acetylcholinesterase (AChE) inhibitory effect, estrogenic activity and neuroprotective effect. GS-14 acted as a selective AChE inhibitor in vitro, with an IC50 value of 0.17 μM and showed no inhibition activity against butyrylcholinesterase (BuChE). The Lineweaver–Burk plot revealed that GS-14 was a non-competitive AChE inhibitor with a Ki value of 0.23 μM and the molecular docking model indicated that GS-14 interacted with the peripheral anionic site (PAS) of AChE. The MCF-7 proliferation assay demonstrated that GS-14 possessed estrogenic activity and GS-14 exhibited a high specificity for estrogen receptor β (ERβ) with a dissociation constant (Ki) of 2.86 nM compared with that of 1.01 μM for estrogen receptor α (ERα) in the molecular docking study. GS-14 also possessed a neuroprotective effect and showed the best protective effect against the β-amyloid protein-induced injury on SH-SY5Y cells at a concentration of 1 nM. Considering its AChEinhibition activity, estrogenic activity and neuroprotective effect, GS-14 may be a potential multi-target agent for the treatment of AD.
NONEMPTY INTERSECTION THEOREMS AND SYSTEM OF GENERALIZED VECTOR EQUILIBRIUM PROBLEMS IN FC-SPACES
He, Rong-Hua,Li, Hong-Xu Korean Mathematical Society 2013 대한수학회보 Vol.50 No.1
By using some existence theorems of maximal elements for a family of set-valued mappings involving a better admissible set-valued mapping under noncompact setting of FC-spaces, we present some non-empty intersection theorems for a family $\{G_i\}_{i{\in}I}$ in product FC-spaces. Then, as applications, some new existence theorems of equilibrium for a system of generalized vector equilibrium problems are proved in product FC-spaces. Our results improve and generalize some recent results.
Impact of a Glyphosate-Tolerant Soybean Line on the Rhizobacteria, Revealed by Illumina MiSeq
( Gui-hua Lu ),( Yin-ling Zhu ),( Ling-ru Kong ),( Jing Cheng ),( Cheng-yi Tang ),( Xiao-mei Hua ),( Fan-fan Meng ),( Yan-jun Pang ),( Rong-wu Yang ),( Jin-liang Qi ),( Yong-hua Yang ) 한국미생물 · 생명공학회 2017 Journal of microbiology and biotechnology Vol.27 No.3
The global commercial cultivation of transgenic crops, including glyphosate-tolerant soybean, has increased widely in recent decades with potential impact on the environment. The bulk of previous studies showed different results on the effects of the release of transgenic plants on the soil microbial community, especially rhizosphere bacteria. In this study, comparative analyses of the bacterial communities in the rhizosphere soils and surrounding soils were performed between the glyphosate-tolerant soybean line NZL06-698 (or simply N698), containing a glyphosate-insensitive EPSPS gene, and its control cultivar Mengdou12 (or simply MD12), by a 16S ribosomal RNA gene (16S rDNA) amplicon sequencing-based Illumina MiSeq platform. No statistically significant difference was found in the overall alpha diversity of the rhizosphere bacterial communities, although the species richness and evenness of the bacteria increased in the rhizosphere of N698 compared with that of MD12. Some influence on phylogenetic diversity of the rhizosphere bacterial communities was found between N698 and MD12 by beta diversity analysis based on weighted UniFrac distance. Furthermore, the relative abundances of part rhizosphere bacterial phyla and genera, which included some nitrogen-fixing bacteria, were significantly different between N698 and MD12. Our present results indicate some impact of the glyphosate-tolerant soybean line N698 on the phylogenetic diversity of rhizosphere bacterial communities together with a significant difference in the relative abundances of part rhizosphere bacteria at different classification levels as compared with its control cultivar MD12, when a comparative analysis of surrounding soils between N698 and MD12 was used as a systematic contrast study.
이영화(Rong Hua Li),박성희(Sung-Hee Park),김진수(Jin Soon Kim),류근호(Keon Ho Ryu) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.2Ⅰ
현재 생명 정보는 웹 상에서 다양한 포맷으로 배포되고 있다. 이러한 생명 정보 분석으 위한 데이터베이스나 시스템마다 이질적인 포맷을 지원하고 있기 때문에 각 시스템에서 이용되는 포맷들간의 변환이 필요하다. 이러한 생명 정보의 포맷 변환은 1대1의 파서를 구현하여 진행되고 있으며 1:1 파서의 구현에는 많은 시간과 비용이 소모된다. 따라서, 이 논문에서는 생명 정보를 XML로 표현하고 이질적인 포맷간의 매핑 정보를 데이터베이스에 저장한다. 이러한 매핑 정보를 XML의 스타일 시트로 나타내어 최종적으로 원하는 포맷으로 변환한다. 이렇게 포맷 변환에 XML 기술을 이용함으로써 파서를 구현할 필요가 없이 매핑 정보를 스타일 시트로 기술하면 되기 때문에 구현이 용이하며, 원시 소스가 변경되었을 때 소스 전체를 수정할 필요가 없이 수정한 필드의 매핑 정보만 수정하고 그에 따라서 XML을 수정하면 되기 때문에 원시 소스 변경의 영향을 많이 받지 않는다.