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- 저자 : Jing-Yuan Lin (검색결과 56 건)
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Clinical Research on Albumin-Bound Paclitaxel-Based Chemotherapy for Advanced Esophageal Cancer
Yuan, Yuan,Zhang, Yan,Shi, Lin,Mei, Jing-Feng,Feng, Jif-Eng,Shen, Bo Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.12
Background: To evaluate the efficacy and safety of albumin-bound paclitaxel-based chemotherapy in treatment for patients with advanced esophageal cancer who failed in first-line chemotherapy. Materials and Methods: We collected29 advanced esophageal cancer patients who received albumin-bound paclitaxel-based chemotherapy fromJune 2009 to September 2013, and the efficacy and safety of the compound were evaluated. These patients were treated with $100-150mg/m^2$ nab-paclitaxel on days 1,8. The cycle was repeated every 3 weeks. Clinical efficacy was evaluated every two cycles. Results: Of the 29 patients, two persons interrupted treatment because of adverse reactions, failed to evaluate efficacy effect. The rest of 27 patients who could be evaluated for short-term response, 10 patients (37%) achieved partial response, 2 (7.4%) remained stable disease, and 15 (55.6%) had progressivedisease. The objective response rate was 37%, and the disease control rate was 44.4%.The median time to progression was 6.6 months.The major adverse reactions includedalopecia (62.07%), neutropenia (65.5%), gastrointestinalreaction (10.3%) andsensory neuropathy(6.8%). Conclusions: The albumin-bound paclitaxel-based chemotherapy is efficacy and safety in treatment for patients with advanced esophageal cancer who failed in first-line chemotherapy.
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Yuan Jing,Chunwei Zhang,Su Zhang,Guangyi Lin,Huidong Cao,Jiahui Wen,Zonglong Wang,Yuanyuan Niu,Zetao Lin 한국고분자학회 2023 폴리머 Vol.47 No.6
The application of vegetable oil-based softeners canola oil and cottonseed oil in Solution polymerized styrene-butadiene rubber (SSBR) system composites was investigated. The results showed that when the aromatic oil was replaced by 5 parts of vegetable oil-based softeners in equal amounts in the base formulation of SSBR system, the work-ing performance of the rubber was better, the tear strength and elongation at break were improved and the tensile strength was reduced; the vulcanization time of the rubber prepared with vegetable oil-based softeners was significantly reduced compared with that of aromatic oil; the glass transition temperature of the rubber was significantly reduced and the cold resistance and snow performance of the rubber were improved.
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Yuan, Yuan,Yang, Zhu-Lin,Miao, Xiong-Ying,Liu, Zi-Ru,Li, Dai-Qiang,Zou, Qiong,Li, Jing-He,Liang, Lu-Feng,Zeng, Gui-Xiang,Chen, Sen-Lin Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
Squamous cell/adenosquamous carcinoma (SC/ASC) of the gallbladder are rare tumors and there are few clinical reports in the literature. Herein we report our clinical experience with 46 patients with SC/ASC and 80 with adenocarcinoma (AC). Expression of EphB1 and Ephrin-B in each tumor was determined using immunohistochemical methods for determination of correlations with prognosis. There was no difference in EphB1 and Ephrin-B expression between SC/ASC and AC tumors (P>0.05), but greater expression in those less than 3 cm in diameter, stage I or II (TNM stage), with no lymph node metastases, with no local invasion and treated with radical resection was apparent. Expression of EphB1 (P<0.05) and Ephrin-B (P<0.01) was higher in well differentiated than in poorly differentiated AC tumors. Kaplan-Meier survival analysis indicated that degree of differentiation, tumor diameter, lymph node metastases, local invasion, surgical approach and expression rate of EphB1 and Ephrin-B were closely related to the survival of SC/ASC (P<0.05) and AC patients (P<0.01). Patients with tumors that positive expressed EphB1 and Ephrin-B, whether it is SC/ASC ($P_{SC/ASC}$ =0.000) or AC ($P_{AC}$ =0.000 or $P_{AC}$ =0.002) had longer survival than those negative expression. Cox multivariate analysis indicated a negative correlation between expression of EphB1 or Ephrin-B and overall survival. Hence, EphB1 and Ephrin-B could be regarded as independent good prognostic factorsand important biological markers for SC/ASC and AC of gallbladder.
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Jing-yi Cheng,Lin Yang,Wei-kang Yuan,Xiang-li Long 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.5
The simultaneous scrubbing of NO and SO2 can be accomplished by hexamminecobalt(II) solution. Activated carbon acts as a catalyst to regenerate hexamminecobalt(II), Co(NH3)62+, to sustain the NO removal efficiency. In this paper, ZnCl2 solution has been used to ameliorate the catalytic performance of coconut activated carbon in the regeneration of Co(NH3)62+. The effects of the modification condition on the catalytic performance of activated carbon have been investigated in a batch stirred cell. The change of the surface chemical characteristics of the activated carbon caused by ZnCl2 treatment was measured by determining the concentrations of acidic and basic groups as well as their points of zero charge (pHpzc)with Boehm titration and mass titration. The alteration of the surface physical characteristics of the carbons was determined with an ASAP2000 Surface Analyzer using N2 as the adsorbate. The experiments demonstrate that the catalytic performance of the coconut activated carbon may be improved when the carbon is treated by ZnCl2 solution with concentration above 0.30 mol l1. The best ZnCl2 concentration may be 0.50 mol l1. The optimal impregnation duration is 9 h. High activation temperature is propitious for the amelioration of the catalytic capability of carbon. 4 h may be the best time for the activation of activated carbon. In our experiment, the NO removal efficiency is maintained at a level of 73% when the regeneration of Co(NH3)62+ is under the catalysis of modified carbon while that is 57% with the regeneration of Co(NH3)62+ catalyzed by original carbon. It can be concluded that such modification can improve the catalytic performance of coconut activated carbon in the simultaneous removal of SO2 and NO with Co(NH3)62+ ammonia solution.
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Yuan Yang,Li Jing,Lin Jiafu,Pan Wenjuan,Chu Yiwen,Prithiviraj Balakrishnan,Guo Yidong,Wang Xinrong,Zhao Kelei 한국미생물학회 2021 The journal of microbiology Vol.59 No.1
The Gram-negative pathogen Pseudomonas aeruginosa adopts several elaborate strategies to colonize a wide range of natural or clinical niches and to overcome the neighboring bacterial competitors in polymicrobial communities. However, the relationship and interaction mechanism of P. aeruginosa with other bacterial pathogens remains largely unexplored. Here we explore the interaction dynamics of P. aeruginosa and Escherichia coli, which frequently coinfect the lungs of immunocompromised hosts, by using a series of on-plate proximity assays and RNA-sequencing. We show that the extracellular products of P. aeruginosa can inhibit the growth of neighboring E. coli and induce a large-scale of transcriptional reprogramming of E. coli, especially in terms of cellular respiration- related primary metabolisms and membrane components. In contrast, the presence of E. coli has no significant effect on the growth of P. aeruginosa in short-term culture, but causes a dysregulated expression of genes positively controlled by the quorum-sensing (QS) system of P. aeruginosa during subsequent pairwise culture. We further demonstrate that the divergent QS-regulation of P. aeruginosa may be related to the function of the transcriptional regulator PqsR, which can be enhanced by E. coli culture supernatant to increase the pyocyanin production by P. aeruginosa in the absence of the central las-QS system. Moreover, the extracellular products of E. coli promote the proliferation and lethality of P. aeruginosa in infecting the Caenorhabditis elegans model. The current study provides a general characterization of the extracellular products-mediated interactions between P. aeruginosa and E. coli, and may facilitate the understanding of polymicrobial infections.
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2,5-Hexanedione induces apoptosis via a mitochondriamediated pathway in PC12 cells
Yuan Qi,Shuang-yue Li,Feng-yuan Piao,Zhe-min Wang,Ruo-lin Chen,Shuang Liu,Jing-shun Shen 대한독성 유전단백체 학회 2015 Molecular & cellular toxicology Vol.11 No.1
2,5-Hexanedione (HD) is the main active metabolite of n-hexane and mediates the neurotoxicity of the parent compound. Studies suggested that apoptosis involved in HD neurotoxicity. However, the mechanism of HD-induced neuronal apoptosis remains unknown. To explore its underlying mechanism, we treated PC12 cells with 5, 10 and 20 mM HD for 24 h, respectively. We found that HD induced apoptotic death in PC12 cells in a dose-dependent manner. Moreover, HD down-regulated Bcl-2 expression, up-regulated Bax expression and Bax/Bcl-2 ratio, promoted the disruption of mitochondrial transmembrane potential, induced the release of cytochrome c from mitochondria, and increased the activity of caspase-3 in PC12 cells, which were all the key regulators of intrinsic apoptotic pathway. These results indicate that HD induces apoptosis via a mitochondria- mediated pathway in PC12 cells.
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Carbon Nanotubes Modified by Ionic Liquid and Its Effect on Properties of Silicon Rubber Composites
Yuan Jing,Guangyi Lin,Dongmei Xiao,Limeng Zhu 한국고분자학회 2024 폴리머 Vol.48 No.2
In this paper, multi-walled carbon nanotubes (MWCNTs) were modified using ionic liquids (ILs), and silicone rubber/carbon nanotube composites were prepared. The surface of carbon nanotubes is coated with a layer of ionic liquid by non-covalent bond modification, and the van der Waals force between the carbon nanotubes is reduced to achieve the purpose of improving their dispersibility. The electrical conductivity of silicone rubber/carbon nanotube composites prepared by modified carbon nanotubes is improved. The dispersion of modified carbon nanotubes in silicone rubber matrix and the interface interaction between carbon nanotubes and silicone rubber are analyzed by rubber process analyzer and scanning electron microscopy (SEM) tests. The effects of modified carbon nanotubes on electrical conductivity, mechanical properties and electromagnetic shielding properties of silicone rubber composites were studied. The results show that the dispersion of carbon nanotubes in silicone rubber matrix is improved effectively through the modification of ionic liquid, the conductive property of the composite is improved, the electromagnetic wave reflection of the composite is increased, and the electromagnetic shielding efficiency of the composite is improved, and the shielding efficiency is up to 26 dB.
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Jing Zeng,Jianjun Guo,Yikun Tu,Lin Yuan 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.3
Since the thermoacidophilic raw-starch hydrolyzing a-amylase Gt-amy can effectively hydrolyze corn starch under starch liquefaction conditions, it has potential for many industrial applications. To identify the raw starch-binding domain of Gt-amy, a C-terminal domain (CTD)-truncated mutant (Gt-amy-T) was constructed, and its enzymatic properties were compared with Gt-amy. In comparison to CTD of Gt-amy, which could effectively bind corn starch, the Gt-amy-T could not bind to and hydrolyze corn starch under similar conditions. In addition, Gt-amy-T showed significantly lower thermal activity and thermal stability. Using soluble starch as the substrate, the kcat of Gt-amy-T at 80 C was approximately 77.9% of that of Gt-amy. The half-life of Gt-amy at 80 C was 3 h, while that of Gt-amy-T was 2 h. These results reveal that the CTD plays a vital role in raw starch binding and degradation by Gt-amy and helps Gt-amy maintain thermal activity and stability.
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Guided waves of porous FG nanoplates with four edges clamped
Zhao, Jing-Lei,She, Gui-Lin,Wu, Fei,Yuan, Shu-Jin,Bai, Ru-Qing,Pu, Hua-Yan,Wang, Shilong,Luo, Jun Techno-Press 2022 Advances in nano research Vol.13 No.5
Based on the nonlocal strain gradient (NSG) theory and considering the influence of moment of inertia, the governing equations of motion of porous functionally graded (FG) nanoplates with four edges clamped are established; The Galerkin method is applied to eliminate the spatial variables of the partial differential equation, and the partial differential governing equation is transformed into an ordinary differential equation with time variables. By satisfying the boundary conditions and solving the characteristic equation, the dispersion relations of the porous FG strain gradient nanoplates with four edges fixed are obtained. It is found that when the wave number is very small, the influences of nonlocal parameters and strain gradient parameters on the dispersion relation is very small. However, when the wave number is large, it has a great influence on the group velocity and phase velocity. The nonlocal parameter represents the effect of stiffness softening, and the strain gradient parameter represents the effect of stiffness strengthening. In addition, we also study the influence of power law index parameter and porosity on guided wave propagation.
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