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Man Zhang,Su‑Su Li,Qiao‑Mei Xie,Jian‑Hua Xu,Xiu‑Xiu Sun,Fa‑Ming Pan,Sheng‑Qian Xu,Sheng‑Xiu Liu,Jin‑Hui Tao,Shuang Liu,Jing Cai,Pei‑Ling Chen,Long Qian,Chun‑Huai Wang,Chun‑Mei Liang,Hai‑Liang Huang,Ha 한국유전학회 2018 Genes & Genomics Vol.40 No.10
Although the current glucocorticoids (GCs) treatment for systemic lupus erythematosus (SLE) is effective to a certain extent, the difference in therapeutic effect between patients is still a widespread problem. Some patients can have repeated attacks that greatly diminish their quality of life. This study was conducted to investigate the relationship between HSP90AA2 polymorphisms and disease susceptibility, GCs efficacy and health-related quality of life (HRQoL) in Chinese SLE patients. A case–control study was performed in 470 SLE patients and 470 normal controls. Then, 444 patients in the case group were followed up for 12 weeks to observe efficacy of GCs and improvement of HRQoL. Two single nucleotide polymorphisms (SNPs) of HSP90AA2 were selected for genotyping: rs1826330 and rs6484340. HRQoL was assessed using the SF-36 questionnaire. The minor T allele of rs1826330 and the TT haplotype formed by rs1826330 and rs6484340 showed associations with decreased SLE risk (T allele: PBH = 0.022; TT haplotype: PBH = 0.033). A significant association between rs6484340 and improvement of HRQoL was revealed in the follow-up study. Five subscales of SF-36 were appeared to be influenced by rs6484340: total score of SF-36 (additive model: PBH = 0.026), physical function (additive model: PBH = 0.026), rolephysical (recessive model: PBH = 0.041), mental health (dominant model: PBH = 0.047), and physical component summary (additive model: PBH = 0.026). No statistical significance was found between HSP90AA2 gene polymorphisms and GCs efficacy. These results revealed a genetic association between HSP90AA2 and SLE. Remarkably, HSP90AA2 has an impact on the improvement of HRQoL in Chinese population with SLE.
( Xiu Zhi Gao ),( Hui Liu ),( Xin Xin Yi ),( Yi Qian Liu ),( Xiao Dong Wang ),( Wen Sheng Xu ),( Qi Gen Tong ),( Zong Jun Cui ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.12
Traditional soybean paste from Shandong Liangshan and Tianyuan Jiangyuan commercial soybean paste were chosen for analysis and comparison of their bacterial and fungal dynamics using denaturing gel gradient electrophoresis and 16S rRNA gene clone libraries. The bacterial diversity results showed that more than 20 types of bacteria were present in traditional Shandong soybean paste during its fermentation process, whereas only six types of bacteria were present in the commercial soybean paste. The predominant bacteria in the Shandong soybean paste were most closely related to Leuconostoc spp., an uncultured bacterium, Lactococcus lactis, Bacillus licheniformis, Bacillus spp., and Citrobacter freundii. The predominant bacteria in the Tianyuan Jiangyuan soybean paste were most closely related to an uncultured bacterium, Bacillus licheniformis, and an uncultured Leuconostoc spp. The fungal diversity results showed that 10 types of fungi were present in the Shandong soybean paste during the fermentation process, with the predominant fungi being most closely related to Geotrichum spp., an uncultured fungal clone, Aspergillus oryzae, and yeast species. The predominant fungus in the commercial soybean paste was Aspergillus oryzae.
Digital Controller Candidate for Point-of-load Synchronous Buck Converter in Tri-mode Mechanism
Xiu, Li-Mei,Zhang, Wei-Ping,Li, Bo,Liu, Yuan-Sheng The Korean Institute of Power Electronics 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.4
A digital controller with a low-power approach for point-of-load synchronous buck converters is discussed and compared with its analog counterpart to confirm its feasibility for system integration. The tri-mode digital controller IC in $0.35{\mu}m$ CMOS process is presented to demonstrate solutions that include a PID, quarter PID, and robust RST compensators. These compensators address the steady-state, stand-by, and transient modes according to the system operating point. An idle-tone free condition for ${\Sigma}-{\Delta}$ DPWM reduces the inherent tone noise under DC-excitation. Compared with that of the traditional approach, this condition generates a quasi-pure modulation signal. Experimental results verify the closed-loop performances and confirm the power-saving mechanism of the proposed controller.
Shuai Xia,Xiu-Hua Wang,Ji-Qiang Liu,Chang Liu,Jian-Bin Chen,Hua Zuo,Yong-Sheng Xie,Wen-Liang Dong,Dong Soo Shin 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.6
A facile and effective method has been developed for the synthesis of a novel series of benzofuran derivatives via N-acylation, O-alkylation and intramolecular condensation reactions, starting from readily available substituted o-hydroxy aryl ketone, and chloroacetyl arylamides. This metal-free transition process is characterized by mild reaction conditions, atom economy, short reaction time and a high yield with a decreased amount of by-products.
Digital Controller Candidate for Point-of-load Synchronous Buck Converter in Tri-mode Mechanism
Li-mei Xiu,Wei-ping Zhang,Bo Li,Yuan-sheng Liu 전력전자학회 2014 JOURNAL OF POWER ELECTRONICS Vol.14 No.4
A digital controller with a low-power approach for point-of-load synchronous buck converters is discussed and compared with its analog counterpart to confirm its feasibility for system integration. The tri-mode digital controller IC in 0.35 μm CMOS process is presented to demonstrate solutions that include a PID, quarter PID, and robust RST compensators. These compensators address the steady-state, stand-by, and transient modes according to the system operating point. An idle-tone free condition for S?D DPWM reduces the inherent tone noise under DC-excitation. Compared with that of the traditional approach, this condition generates a quasi-pure modulation signal. Experimental results verify the closed-loop performances and confirm the power-saving mechanism of the proposed controller.
Zhang, Bao Sheng,Lv, Xiu Feng,Zhang, Zhen Xiu,Liu, Yang,Kim, Jin Kuk,Xin, Zhen Xiang Elsevier 2010 Materials & design Vol.31 No.6
<P><B>Abstract</B></P><P>Chlorinated polyethylene rubber (CPE) foams filled with various content of carbon black were prepared by compression molding. The effect of carbon black content on the cure characteristics, foam characteristics and physical properties of the CPE compounds were investigated. The results showed that adding ZnSt as activator could lower the decomposition temperature of azodicarbonamide. The results of a moving die Rheometer suggested that the cure characteristics were influenced by the content of carbon black, and the cure rate index increased with carbon black content. The morphology and physical properties results indicated that the content of carbon black played important roles in the cell morphology and physical properties of CPE rubber foams.</P>
Xia, Shuai,Wang, Xiu-Hua,Liu, Ji-Qiang,Liu, Chang,Chen, Jian-Bin,Zuo, Hua,Xie, Yong-Sheng,Dong, Wen-Liang,Shin, Dong-Soo Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.6
A facile and effective method has been developed for the synthesis of a novel series of benzofuran derivatives via N-acylation, O-alkylation and intramolecular condensation reactions, starting from readily available substituted o-hydroxy aryl ketone, and chloroacetyl arylamides. This metal-free transition process is characterized by mild reaction conditions, atom economy, short reaction time and a high yield with a decreased amount of by-products.
( Yun Deng ),( Bi Sheng Liu ),( Xiong Wei Fan ),( Yue Qun Wang ),( Ming Tang ),( Xiao Yang Mo ),( Yong Qing Li ),( Zao Chu Ying ),( Yong Qi Wan ),( Na Luo ),( Jun Mei Zhou ),( Xiu Shan Wu ),( Wu Zhou 한국생화학분자생물학회 (구 한국생화학회) 2010 BMB Reports Vol.43 No.3
In this study, we report the identification and characterization of a novel C2H2 zinc finger protein, ZNF552, from a human embryonic heart cDNA library. ZNF552 is composed of three exons and two introns and maps to chromosome 19q13.43. The cDNA of ZNF552 is 2.3 kb, encoding 407 amino acids with an amino-terminal KRAB domain and seven carboxyl-terminal C2H2 zinc finger motifs in the nucleus and cytoplasm. Northern blotting analysis indicated that a 2.3 kb transcript specific for ZNF552 was expressed in liver, lung, spleen, testis and kidney, especially with a higher level in the lung and testis in human adult tissues. Reporter gene assays showed that ZNF552 was a transcriptional repressor, and overexpression of ZNF552 in the COS-7 cells inhibited the transcriptional activities of AP-1 and SRE, which could be relieved through RNAi analysis. Deletion studies showed that the KRAB domain of ZNF552 may be involved in this inhibition. [BMB reports 2010; 43(3): 193-198]
Involvement of MicroRNA-198 Overexpression in the Poor Prognosis of Esophageal Cancer
Qi, Bo,Yao, Wen-Jian,Zhao, Bao-Sheng,Qin, Xiu-Guang,Wang, Yi,Wang, Wen-Ju,Wang, Tian-Yun,Liu, Shang-Guo,Li, Han-Chen Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.9
Objective: This study aimed to investigate whether the miR-198 expression level is related to clinicopathological factors and prognosis of esophageal cancer. Methods: MicroRNA was extracted from esophageal cancer patients who underwent surgery for assessment using the Taqman@ MicroRNA assay. The correlation between miR-198 expression and clinicopathological features was analyzed, and the significance of miR-198 as a prognostic factor and its relationship with survival was determined. Results: MicroRNA-198 (miR-198) expression was higher in patients with poor prognosis than those with good prognosis (P<0.05). Kaplan-Meier analysis results showed that the miR-198 expression level had a significant correlation with survival time (P=0.030) and that patients with a higher expression of miR-198 had a shorter survival time. Cox multi-factor model analysis showed that patient prognosis (P=0.014), tumor length (P=0.040) and expression (P=0.012), and survival time had a significant correlation; the corresponding risks were 7.268, 1.246, and 3.524, respectively. Conclusion: miR-198 overexpression is involved in the poor prognosis of esophageal cancer and can be used as a biomarker for selection of cases requiring especial attention.