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Xu, Xu,Wang, Lin,Xu, Huan-Qin,Huang, Xin-En,Qian, Ya-Dong,Xiang, Jin Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.4
Aim: To compare the efficacy and safety of paclitaxel liposome (Lipusu$^{(R)}$) with paclitaxel in combination with tegafur and oxaliplatin in treating patients with advanced gastric cancer. Materials and Methods: Patients with advanced gastric cancer receiving chemotherapy were retrospectively collected, and divided into two groups. Patients in group A received paclitaxel liposomes at a dose of 135 $mg/m^2$ on day 1 of each cycle, and patients in group B were given paclitaxel at the same dose with the same timing. All patients received tegafur at a dose of 500 $mg/m^2$ on days 1-5, and oxaliplatin at a dose of 80-100 $mg/m^2$ on day 1 for 2 cycles (each cycle was 21 d in total). Results: Fifty-eight patients could be evaluated for efficacy. The overall response rate was 47% in group A (14/30), and 46% in group B (13/28). Disease control rate was 73% in group A (22/30), and 71% in group B (20/28) (P>0.05). No significant differences were detected in hematologic and neurologic toxicities between the two groups (P>0.05). However, nausea, vomiting and hypersensitive reactions were significantly lower in group A than in group B (P<0.05). Conclusion: Paclitaxel liposomes are as effective as paclitaxel when combined with tegafur and oxaliplation in treating patients with advanced gastric cancer, but adverse reactions with paclitaxel liposomes are less common.
The treatment effect of novel hGHRH homodimer to male infertility hamster
Xu-Dong Zhang,Xiao-Yuan Guo,Jing-Xuan Tang,Lin-Na Yue,Juan-Hui Zhang,Tao Liu,Yu-Xia Dong,Song-Shan Tang 대한생리학회-대한약리학회 2018 The Korean Journal of Physiology & Pharmacology Vol.22 No.6
Extra-hypothalamic growth hormone-releasing hormone (GHRH) plays an important role in reproduction. To study the treatment effect of Grin (a novel hGHRH homodimer), the infertility models of 85 male Chinese hamsters were established by intraperitoneally injecting 20 mg/kg of cyclophosphamide once in a week for 5 weeks and the treatment with Grin or human menopausal gonadotropin (hMG) as positive control was evaluated by performing a 3-week mating experiment. 2-8 mg/kg of Grin and 200 U/kg of hMG showed similar effect and different pathological characteristics. Compared to the single cyclophosphamide group (0%), the pregnancy rates (H-, M-, L-Grin 26.7, 30.8, 31.3%, and hMG 31.3%) showed significant difference, but there was no difference between the hMG and Grin groups. The single cyclophosphamide group presented loose tubules with pathologic vacuoles and significant TUNEL positive cells. Grin induced less weight of body or testis, compactly aligned tubules with little intra-lumens, whereas hMG caused more weight of body or testis, enlarging tubules with annular clearance. Grin presented a dose-dependent manner or cell differentiation-dependentincrease in testicular GHRH receptor, and did not impact the levels of blood and testicular GH, testosterone. Grin promotes fertility by proliferating and differentiating primitive cells through up-regulating testicular GHRH receptor without triggering GH secretion, which might solve the etiology of oligoasthenozoospermia.
The treatment effect of novel hGHRH homodimer to male infertility hamster
Zhang, Xu-Dong,Guo, Xiao-Yuan,Tang, Jing-Xuan,Yue, Lin-Na,Zhang, Juan-Hui,Liu, Tao,Dong, Yu-Xia,Tang, Song-Shan The Korean Society of Pharmacology 2018 The Korean Journal of Physiology & Pharmacology Vol.22 No.6
Extra-hypothalamic growth hormone-releasing hormone (GHRH) plays an important role in reproduction. To study the treatment effect of Grin (a novel hGHRH homodimer), the infertility models of 85 male Chinese hamsters were established by intraperitoneally injecting 20 mg/kg of cyclophosphamide once in a week for 5 weeks and the treatment with Grin or human menopausal gonadotropin (hMG) as positive control was evaluated by performing a 3-week mating experiment. 2-8 mg/kg of Grin and 200 U/kg of hMG showed similar effect and different pathological characteristics. Compared to the single cyclophosphamide group (0%), the pregnancy rates (H-, M-, L-Grin 26.7, 30.8, 31.3%, and hMG 31.3%) showed significant difference, but there was no difference between the hMG and Grin groups. The single cyclophosphamide group presented loose tubules with pathologic vacuoles and significant TUNEL positive cells. Grin induced less weight of body or testis, compactly aligned tubules with little intra-lumens, whereas hMG caused more weight of body or testis, enlarging tubules with annular clearance. Grin presented a dose-dependent manner or cell differentiation-dependentincrease in testicular GHRH receptor, and did not impact the levels of blood and testicular GH, testosterone. Grin promotes fertility by proliferating and differentiating primitive cells through up-regulating testicular GHRH receptor without triggering GH secretion, which might solve the etiology of oligoasthenozoospermia.
Capturing Wetting States in Nanopatterned Silicon
Xu, XiuMei,Vereecke, Guy,Chen, Chang,Pourtois, Geoffrey,Armini, Silvia,Verellen, Niels,Tsai, Wei-Kang,Kim, Dong-Wook,Lee, Eunsongyi,Lin, Chang-You,Van Dorpe, Pol,Struyf, Herbert,Holsteyns, Frank,Moshc American Chemical Society 2014 ACS NANO Vol.8 No.1
<P>Spectacular progress in developing advanced Si circuits with reduced size, along the track of Moore’s law, has been relying on necessary developments in wet cleaning of nanopatterned Si wafers to provide contaminant free surfaces. The most efficient cleaning is achieved when complete wetting can be realized. In this work, ordered arrays of silicon nanopillars on a hitherto unexplored small scale have been used to study the wetting behavior on nanomodulated surfaces in a substantial range of surface treatments and geometrical parameters. With the use of optical reflectance measurements, the nanoscale water imbibition depths have been measured and the transition to the superhydrophobic Cassie–Baxter state has been accurately determined. For pillars of high aspect ratio (about 15), the transition occurs even when the surface is grafted with a hydrophilic functional group. We have found a striking consistent deviation between the contact angle measurements and the straightforward application of the classical wetting models. Molecular dynamics simulations show that these deviations can be attributed to the long overlooked atomic-scale surface perturbations that are introduced during the nanofabrication process. When the transition condition is approached, transient states of partial imbibition that characterize intermediate states between the Wenzel and Cassie–Baxter states are revealed in our experiments.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2014/ancac3.2014.8.issue-1/nn405621w/production/images/medium/nn-2013-05621w_0009.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn405621w'>ACS Electronic Supporting Info</A></P>
Lin, Jian-Ying,Wang, Ming-Sheng,Dong, Liang-Peng,Xu, Da-Wei,Wang, Ying,Li, Xue-Liang,Li, Xiu-Min Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.11
The aim of this study was to investigate QoL (quality of life) of patients with esophageal cancer in northern Henan province, China, and to accurate evaluate and reflect the relationship between patient characteristics and QoL. In the high risk area of esophageal cancer in the north of Henan province, 735 patients with esophageal cancer were investigated. The Eysenck personality questionnaire (EPQ) and QoL were analyzed by using the questionnaire of general situation, EPQ, QLQ-C30 and QLQ-OES18. The effects of personal character on the QoL of esophageal carcinoma patients were analyzed by SPSS 11.0 software. The QoL of esophageal cancer patients in Northern Henan region was significantly affected by character. The difference between choleric and type of melancholic temperament types was significant (P<0.01), also in OESEAT, OESTA, OESCO and OESSP (P<0.05). Differences in personal character can thus influence the quality of esophageal cancer patient lives.
Xu, Chun-Sheng,Zheng, Jian-Yong,Zhang, Hai-Long,Zhao, Hua-Dong,Zhang, Jing,Wu, Guo-Qiang,Wu, Lin,Wang, Qing,Wang, Wei-Zhong,Zhang, Jian Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.7
Esophageal carcinoma (EC) is one of the most aggressive cancers with a poor prognosis. Understanding the molecular mechanisms underlying esophageal cancer progression is a high priority for improved EC diagnosis and prognosis. Recently, MSP58 was shown to behave as an oncogene in colorectal carcinomas and gliomas. However, little is known about its function in esophageal carcinomas. We therefore examined the effects of MSP58 knockdown on the growth of esophageal squamous cell carcinoma (ESCC) cells in vitro and in vivo in order to gain a better understanding of its potential as a tumor therapeutic target. We employed lentiviral-mediated small hairpin RNA (shRNA) to knock down the expression of MSP58 in the ESCC cell lines Eca-109 and EC9706 and demonstrated inhibition of ESCC cell proliferation and colony formation in vitro. Furthermore, flow cytometry and western blot analyses revealed that MSP58 depletion induced cell cycle arrest by regulating the expression of P21, CDK4 and cyclin D1. Notably, the downregulation of MSP58 significantly inhibited the growth of ESCC xenografts in nude mice. Our results suggest that MSP58 may play an important role in ESCC progression.
Investigating the Effects of Text Summarization on Linguistic Quality of Argumentative Writing
Xu, Lin,Dong, Danni,Jhang, Se-Eun(장세은) 새한영어영문학회 2018 새한영어영문학 Vol.60 No.4
The present study aims to explore the effects of text summarization on the argumentative writing qualities of EFL learners at different proficiency levels. We consider argumentative writing qualities in terms of accuracy, fluency, vocabulary complexity and grammatical complexity. In this longitudinal case study, 24 essays and 21 summaries by the three participants were collected during 24 weeks. Quantitative and qualitative data reveal that depending on language proficiency levels, participants benefit on different linguistic indices. Individual changing trajectories of accuracy, fluency and complexity in argumentative writing is dynamic. There are progress and backsliding during the process. Developmental paths are different among individuals as well. The various factors including topical knowledge, language input, motivation factors can contribute to the changes.
Dong, Yong-Qiang,Liang, Jiang-Shui,Zhu, Shui-Bo,Zhang, Xiao-Ming,Ji, Tao,Xu, Jia-Hang,Yin, Gui-Lin Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.7
Objective: The present study employed 5-aza-2'-deoxycytidine (5-Aza-CdR) to treat non-small cell lung cancer (NSCLC) cell line A549 to investigate the effects on proliferation and expression of the TFPI-2 gene. Methods: Proliferation was assessed by MTT assay after A549 cells were treated with 0, 1, 5, 10 ${\mu}mol/L$ 5-Aza-CdR, a specific demethylating agent, for 24, 48 and 72h. At the last time point cells were also analyzed by flow cytometry (FCM) to identify any change in their cell cycle profiles. Methylation-specific polymerase chain reaction (MSPCR), real time polymerase chain reaction(real-time PCR) and western blotting were carried out to determine TFPI-2 gene methylation status, mRNA expression and protein expression. Results: MTT assay showed that the growth of A549 cells which were treated with 5-Aza-CdR was significantly suppressed as compared with the control group (0 ${\mu}mol/L$ 5-Aza-CdR). After treatment with 0, 1, 5, 10 ${\mu}mol/L$ 5-Aza-CdR for 72h, FCM showed their proportion in G0/G1 was $69.7{\pm}0.99%$, $76.1{\pm}0.83%$, $83.8{\pm}0.35%$, $95.5{\pm}0.55%$ respectively (P<0.05), and the proportion in S was $29.8{\pm}0.43%$, $23.7{\pm}0.96%$, $15.7{\pm}0.75%$, $1.73{\pm}0.45%$, respectively (P<0.05), suggesting 5-Aza-CdR treatment induced G0/G1 phase arrest. MSPCR showed that hypermethylation in the promoter region of TFPI-2 gene was detected in control group (0 ${\mu}mol/L$ 5-Aza-CdR), and demethylation appeared after treatment with 1, 5, 10 ${\mu}mol/L$ 5-Aza-CdR for 72h. Real-time PCR showed that the expression levels of TFPI-2 gene mRNA were $1{\pm}0$, $1.49{\pm}0.14$, $1.86{\pm}0.09$ and $5.80{\pm}0.15$ (P<0.05) respectively. Western blotting analysis showed the relative expression levels of TFPI-2 protein were $0.12{\pm}0.01$, $0.23{\pm}0.02$, $0.31{\pm}0.02$, $0.62{\pm}0.03$ (P<0.05). TFPI-2 protein expression in A549 cells was gradually increased significantly with increase in the 5-Aza-CdR concentration. Conclusions: TFPI-2 gene promoter methylation results in the loss of TFPI-2 mRNA and protein expression in the non-small cell lung cancer cell line A549, and 5-Aza-CdR treatment could induce the demethylation of TFPI-2 gene promoter and restore TFPI-2 gene expression. These findings provide theoretic evidence for clinical treatment of advanced non-small cell lung cancer with the demethylation agent 5-Aza-CdR. TFPI-2 may be one molecular marker for effective treatment of advanced non-small cell lung cancer with 5-Aza-CdR.