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Liu, Wen-Jing,Zeng, Xian-Tao,Qin, Hai-Feng,Gao, Hong-Jun,Bi, Wei-Jing,Liu, Xiao-Qing Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.7
Objective: To evaluate the efficacy and safety of whole brain radiotherapy (WBRT) plus chemotherapy versus WBRT alone for treating brain metastases (BM) from lung cancer by performing a meta-analysis based on randomized controlled trials (RCTs). Methods: The PubMed, Embase, CENTRAL, ASCO, ESMO, CBM, CNKI, and VIP databases were searched for relevant RCTs performed between January 2000 and March 2012. After quality assessment and data extraction, the meta-analysis was performed using the RevMan 5.1 software, with funnel plot evaluation of publication bias. Results: 19 RCTs involving 1,343 patients were included. The meta-analyses demonstrated that compared to WBRT alone, WBRT plus chemotherapy was more effective with regard to the objective response rate (OR = 2.30, 95% CI = 1.79 - 2.98; P < 0.001); however, the incidences of gastrointestinal reactions (RR = 3.82, 95% CI = 2.33 - 6.28, P <0.001), bone marrow suppression (RR = 5.49, 95% CI = 3.65 - 8.25, P < 0.001), thrombocytopenia (RR = 5.83, 95% CI = 0.39 - 86.59; P = 0.20), leukopenia (RR = 3.13, 95% CI = 1.77 - 5.51; P < 0.001), and neutropenia (RR = 2.75, 95% CI = 1.61 - 4.68; P < 0.001) in patients treated with WBRT plus chemotherapy were higher than with WBRT alone. There was no obvious publication bias detected. Conclusion: WBRT plus chemotherapy can obviously improve total efficacy rate, butalso increases the incidence of adverse reactions compared to WBRT alone. From the limitations of this study, more large-scale, high-quality RCTs are suggested for further verification.
Effects of Modafinil on Behavioral Learning and Hippocampal Synaptic Transmission in Rats
Wen-Wen Yan,Li-Hua Yao,Chong Chen,Hai-Xia Wang,Chu-Hua Li,Jun-Ni Huang,Peng Xiao,Cheng-Yi Liu 대한배뇨장애요실금학회 2015 International Neurourology Journal Vol.19 No.4
Purpose: Modafinil is a wake-promoting agent that has been proposed to improve cognitive performance at the preclinical and clinical levels. Since there is insufficient evidence for modafinil to be regarded as a cognitive enhancer, the aim of this study was to investigate the effects of chronic modafinil administration on behavioral learning in healthy adult rats. Methods: Y-maze training was used to assess learning performance, and the whole-cell patch clamp technique was used to assess synaptic transmission in pyramidal neurons of the hippocampal CA1 region of rats. Results: Intraperitoneal administration of modafinil at 200 mg/kg or 300 mg/kg significantly improved learning performance. Furthermore, perfusion with 1mM modafinil enhanced the frequency and amplitude of spontaneous postsynaptic currents and spontaneous excitatory postsynaptic currents in CA1 pyramidal neurons in hippocampal slices. However, the frequency and amplitude of spontaneous inhibitory postsynaptic currents in CA1 pyramidal neurons were inhibited by treatment with 1mM modafinil. Conclusions: These results indicate that modafinil improves learning and memory in rats possibly by enhancing glutamatergic excitatory synaptic transmission and inhibiting GABAergic (gamma-aminobutyric acid-ergic) inhibitory synaptic transmission.
NEW OSTROWSKI TYPE INEQUALITIES INVOLVING TWO FUNCTIONS
Liu, Wen-Jun,Xue, Qiao-Ling,Dong, Jian-Wei Korean Society of Computational and Applied Mathem 2008 Journal of applied mathematics & informatics Vol.26 No.1
In this paper, new inequalities of Ostrowski type involving two functions and their derivatives for mapping whose derivations belong to $L^p$[a, b], p>1 are established.
Preparation of Flame Retardant and Antibacterial Wood with Composite Membrane Coating
( Jun-xian Xu ),( Yang Liu ),( Ming-yu Wen ),( Hee-jun Park ),( Jia-zhi Zhu ),( Yu-nan Liu ) 한국목재공학회 2021 목재공학 Vol.49 No.6
A novel flame retardant and antibacterial composite membrane coating for wood surfaces was prepared by adding POSS-based phosphorous nitrogen flame retardant (later referred to as NH<sub>2</sub>-POSS) and silver nanoparticles (Ag NPs) to chitosan (CS). The effects of NH<sub>2</sub>-POSS content (mass fractions of CS 0%, 0.5%, 1%, 3%, 5%, and 7%) on the structure and properties of the composite membrane coating on wood were investigated. The composite film was prepared by the method of blending and ducting. Contact angle, tensile property and antibacterial effects of the composite film were measured, and infrared spectroscopy was used. The results show that the addition of NH<sub>2</sub>-POSS can not only improve the toughness of the membrane, but also the flame retardancy of the membrane, which improves the application of the membrane in wood products. However, with the addition of NH<sub>2</sub>-POSS, the transparency of the composite membrane was weakened. The inhibitory effect of the composite membrane on the growth of Escherichia coli was enhanced with the increase in Ag NPs. This research provides a foundation for the application of functional wood.
NEW WEIGHTED OSTROWSKI-GRUSS-CEBYSEV TYPE INEQUALITIES
Liu, Wen-Jun,Huang, Yu,Pan, Xing-Xia Korean Mathematical Society 2008 대한수학회보 Vol.45 No.3
In this paper, by introducing parameter r>1, new weighted Ostrowski-Gruss-Cebysev type inequalities for 1/p+11/q=1-1/r are established.
NEW WEIGHTED OSTROWSKI-GRUSS-CEBYSEV TYPE INEQUALITIES
Wen-jun Liu,Yu Huang,Xing-xia Pan 대한수학회 2008 대한수학회보 Vol.45 No.3
In this paper, by introducing parameter r > 1, new weighted Ostrowski-Gruss-Cebysev type inequalities for 1/p + 1/q = 1 − 1/r are established. In this paper, by introducing parameter r > 1, new weighted Ostrowski-Gruss-Cebysev type inequalities for 1/p + 1/q = 1 − 1/r are established.
New Ostrowski type inequalities involving two functions
Wen-jun Liu,Qiao-ling Xue,Jian-wei Dong 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.1
In this paper, new inequalities of Ostrowski type involving two functions and their derivatives for mapping whose derivations belong to Lp[a, b], p>1 are established .
ApCYP4C6 participates in the metabolism of glucosinolates in pea aphids Acyrthosiphon pisum
Liu Lei,Wang Wen-Jun,Song Li-Wen,Wu Yi-Ting,Wei Jiang-Wen,Wang Sen-Shan,Zhou Jing-Jiang 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.1
Cytochrome P450 enzymes play a key role in the metabolism of plant allelochemicals of herbivorous insects. Here, we investigated the role of cytochrome P450 enzyme genes in the metabolism of glucosinolates in the pea aphids. The results showed that compared with the control untreated group, the transcription levels of two cytochrome P450 enzyme genes, ApCYP4C6 and ApCYP4C7, were significantly increased at 24 h and 48 h after glucosinolates treatment. Furthermore, after the aphids were treated with dsCYP4C6 (double stranded CYP4C6) for 48 h, the expression level of ApCYP4C6 in the aphids was significantly decreased, and its mortality was significantly increased by glucosinolates comparing with that of the dsGFP group. The present study demon strated that ApCYP4C6 was involved in the metabolism of glucosinolates by the pea aphids and contributed to further understanding the role of P450 genes in the tolerance of the pea aphids to plant secondary metabolites.
Wen-qi Liu,Shan-jun Liu,Ming-yu Fan,Wei Tian,Ji-peng Wang,Vahid Tahouneh 국제구조공학회 2020 Steel and Composite Structures, An International J Vol.35 No.2
This paper deals with free vibration analysis of non-uniform column resting on elastic foundations and subjected to follower force at its free end. The internal pores and graphene platelets (GPLs) are distributed in the matrix according to different patterns. The model is proposed with material parameters varying in the thickness of column to achieve graded distributions in both porosity and nanofillers. The elastic modulus of the nanocomposite is obtained by using Halpin-Tsai micromechanics model. The differential quadrature method as an efficient and accurate numerical approach is used to discretize the governing equations and to implement the boundary conditions. It is observed that the maximum vibration frequency obtained in the case of symmetric porosity and GPL distribution, while the minimum vibration frequency is obtained using uniform porosity distribution. Results show that for better understanding of mechanical behavior of nanocomposite column, it is crucial to consider porosities inside the material structure.
Zhou, Wen-xiu,Hou, Wen-bo,Zhou, Chao,Yin, Yu-xia,Lu, Shou-tao,Liu, Guang,Fang, Yi,Li, Jian-wen,Wang, Yan,Liu, Ai-hua,Zhang, Hai-jun The Korean Neurosurgical Society 2021 Journal of Korean neurosurgical society Vol.64 No.2
Objective : Shunt infection is a common complication while treating hydrocephalus. The antibiotic-impregnated shunt catheter (AISC) was designed to reduce shunt infection rate. A meta-analysis was conducted to study the effectiveness of AISCs in reduction of shunt infection in terms of age, follow-up time and high-risk patient population. Methods : This study reviewed literature from three databases including PubMed, EMBASE, and Cochrane Library (from 2000 to March 2019). Clinical studies from controlled trials for shunt operation were included in this analysis. A subgroup analysis was performed based on the patient's age, follow-up time and high-risk population. The fixed effect in RevMan 5.3 software (Cochrane Collaboration) was used for this meta-analysis. Results : This study included 19 controlled clinical trials including 10105 operations. The analysis demonstrated that AISC could reduce the infection rate in shunt surgery compared to standard shunt catheter (non-AISC) from 8.13% to 4.09% (odds ratio [OR], 0.48; 95% confidence interval [CI], 0.40-0.58; p=0.01; I2=46%). Subgroup analysis of different age groups showed that AISC had significant antimicrobial effects in all three groups (adult, infant, and adolescent). Follow-up time analysis showed that AISC was effective in preventing early shunt infections (within 6 months after implant). AISC is more effective in high-risk population (OR, 0.24;95% CI, 0.14-0.40; p=0.60; I2=0%) than in general patient population. Conclusion : The results of meta-analysis indicated that AISC is an effective method for reducing shunt infection. We recommend that AISC should be considered for use in infants and high-risk groups. For adult patients, the choice for AISC could be determined based on the treatment cost.