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Wang, Lian-Dong,Gao, Xia,Li, Jun-Ying,Yu, Hong-Yan,Su, Hai-Wen,Liu, Lian-Zhong,Qi, Jun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.9
Background: To investigate the effects of preemptive analgesia with parecoxib sodium on haemodynamics and plasma stress hormones in surgical patients with thyroid carcinoma. Materials and Methods: Fifty-seven patients with thyroid carcinoma who underwent thyroidectomy selectively in Laiwu Hospital Affiliated to Taishan Medical University and Binzhou People's Hospital were selected and randomly divided into three groups, 19 cases in each group. The control group was intravenously injected 0.9% sodium chloride injection before anesthesia induction; trial group I was intravenously injected with parecoxib sodium 20 min before anesthesia induction; based on trial group I, trial group II was injected with parecoxib sodium again 12 h after surgery. The levels of plasma norepinephrine (NE), cortisol (Cor) and blood glucose before, 12 and 24 h after surgery and changes of haemodynamics before surgery, at the end of surgery and 12, 24 and 48 h after surgery were compared in the three groups. Besides, visual analogue scale (VAS) scores were recorded 4, 8, 12 and 24 h after surgery. Results: 12 and 24 h after surgery, the levels of plasma NE and Cor in three groups rose dramatically (P<0.05 or (P<0.01); The levels of plasma NE and Cor in trial groups I and II were evidently lower than in control group (P<0.05 or P<0.01), and those in trial group II slightly lower than in trial group I. 12 h after surgery, the heart rates (HR) and systolic pressures (SBP) in trial groups I and II increased obviously by comparison to surgery before (P<0.05 or P<0.01), but gradually returned to the preoperative level. HR, SBP and diastolic pressures (DBP) in trial groups I and II at the end of surgery and 12 h after surgery were all lower than in the control group, and significant differences were present (P<0.05 or (P<0.01). At 4, 8, 12 and 24 h after surgery, VAS scores in trial groups I and II were markedly lower than in the control group (P<0.05 or (P<0.01), the scores in trial group II being the lowest. Conclusions: Combined application of parecoxib sodium for preemptive analgesia before anesthesia and after surgery can effectively reduce the levels of plasma stress hormones and improve analgesic effects in surgical patients with thyroid carcinoma, and without conspicuous impact on haemodynamics.
Lian, Sen,Park, Jung Sun,Xia, Yong,Nguyen, Thi Thinh,Joo, Young Eun,Kim, Kyung Keun,Kim, Hark Kyun,Jung, Young Do MDPI 2016 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.17 No.10
<P>Emerging evidence supports a fundamental role for microRNAs (miRNA) in regulating cancer metastasis. Recently, <I>microRNA-375</I> (<I>miR-375</I>) was reported to be downregulated in many types of cancers, including gastric cancer. Increase in the expression of Recepteur d’Origine Nantais (RON), a receptor tyrosine kinase, has been reported in tumors. However, the function of <I>miR-375</I> and RON expression in gastric cancer metastasis has not been sufficiently studied. In silico analysis identified <I>miR-375</I> binding sites in the 3′-untranslated regions (3′-UTR) of the RON-encoding gene. Expression of <I>miR-375</I> resulted in reduced activity of a luciferase reporter containing the 3′-UTR fragments of RON-encoding mRNA, confirming that <I>miR-375</I> directly targets the 3′-UTR of RON mRNA. Moreover, we found that overexpression of <I>miR-375</I> inhibited mRNA and protein expression of RON, which was accompanied by the suppression of cell proliferation, migration, and invasion in gastric cancer AGS and MKN-28 cells. Ectopic <I>miR-375</I> expression also induced G1 cell cycle arrest through a decrease in the expression of cyclin D1, cyclin D3, and in the phosphorylation of retinoblastoma (Rb). Knockdown of RON by RNAi, similar to <I>miR-375</I> overexpression, suppressed tumorigenic properties and induced G1 arrest through a decrease in the expression of cyclin D1, cyclin D3, and in the phosphorylation of Rb. Thus, our study provides evidence that <I>miR-375</I> acts as a suppressor of metastasis in gastric cancer by targeting RON, and might represent a new potential therapeutic target for gastric cancer.</P>
XIA, YONG,LIAN, SEN,KHOI, PHAM NGOC,YOON, HYUN JOONG,HAN, JAE YOUNG,CHAY, KEE OH,KIM, KYUNG KEUN,JUNG, YOUNG DO Spandidos Publications 2015 International journal of oncology Vol.46 No.4
<P>Cell invasion is one of crucial reasons for cancer metastasis and malignancy. Recepteur d'origine Nantais (RON) has been reported to play an important role in the cancer cell invasion process. High accumulation and activation of RON has been implicated in gastric adenocarcinoma AGS cells. Chrysin is a naturally occurring phytochemical, a type of flavonoid, which has been reported to suppress tumor metastasis. However, the effects of chrysin on RON expression in gastric cancer are not well studied. In the present study, we examined whether chrysin affects RON expression in gastric cancer, and if so, its underlying mechanism. We examined the effect of chrysin on RON expression and activity, via RT-PCR, promoter study, and western blotting in human gastric cancer AGS cells. Chrysin significantly inhibited endogenous and inducible RON expression in a dose-dependent manner. After demonstrating that Egr-1 and NF-kappa B are the critically required transcription factors for RON expression, we discovered that chrysin suppressed Egr-1 and NF-K13 transcription factor activities. Additionally, the phorbol-12-myristate-13-acetate(PMA) induced cell invasion was partially abrogated by chrysin and an RON antibody. Our results suggest that chrysin has anticancer effects at least by suppressing RON expression through blocking Egr-1 and NF-kappa B in gastric cancer AGS cells.</P>
Synthesis of N-Azaaryl Anilines: An Efficient Protocol via Smiles Rearrangement
Xia, Shuai,Wang, Li-Ying,Sun, Heng-Zhi,Yue, Huan,Wang, Xiu-Hua,Tan, Jia-Lian,Wang, Yin,Hou, Di,He, Xiao-Yan,Mun, Ki-Cheol,Kumar, B. Prem,Zuo, Hua,Shin, Dong-Soo Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.2
An efficient process for the synthesis of N-azaaryl anilines via Smiles rearrangement as a tool. A variety of N-azaaryl anilines were generated by the reaction of substituted phenols, substituted anilines, aminopyridines and chloroacetyl chloride or pyridols, under base condition in good to excellent yields.
The Gender-Sensitive Social Risk Factors for Internet Addiction in College Undergraduate Students
Xia Lin,Jing-yan Gu,Wan-jun Guo,Ya-jing Meng,Hui-yao Wang,Xiao-jing Li,Wei Deng,Lian-sheng Zhao,Xiao-hong Ma,Ming-li Li,Ting Chen,S,K,Cheng,Tao Li 대한신경정신의학회 2021 PSYCHIATRY INVESTIGATION Vol.18 No.7
Objective The current study aims to explore precipitating and social risk factors for internet addiction (IA) in university undergraduate students, and to provide evidence for interventions and the early prevention of IA in different genders. Methods Four thousand eight hundred and fifty-eight college sophomores completed an online survey on their internet use-related behaviours and social risk factors. Results We found that more male (8.3%) than female students (5.4%) had moderate and severe IA. The main online activity in the moderate and severe IA groups was online gaming in males and online streaming in females. Roommates engaging in similar internetbased entertainment was a risk factor of IA only for males, while not being in a romantic relationship was a risk factor of IA for females only. Infatuation with the internet before college and adjustment problems for college life were shared risk factors for both genders in the mild and moderate IA groups. Conclusion IA was a common phenomenon in college students with shared and unique precipitating and social risk factors in males and females. The gender-sensitive risk factors for IA warranted earlier and individualized intervention and prevention strategies for IA in this population.
Xia, Yong,Kang, Taek Won,Jung, Young Do,Zhang, Chao,Lian, Sen American Chemical Society 2019 Journal of agricultural and food chemistry Vol.67 No.28
<P>Bladder cancer is the fourth common cancer among men and more than 70% of the bladder cancer is nonmuscle invasive bladder cancer (NMIBC). Because of its high recurrence rate, NMIBC brings to patients physical agony and high therapy costs to the patients’ family and society. It is imperative to seek a natural compound to inhibit bladder cancer cell growth and prevent bladder cancer recurrence. Cell proliferation is one of the main features of solid tumor development, and the rapid tumor cell growth usually leads to hypoxia due to the low oxygen environment. In this study we found that sulforaphane, a natural chemical which was abundant in cruciferous vegetables, could suppress bladder cancer cells proliferation in hypoxia significantly stronger than in normoxia (<I>p</I> < 0.05): 20 μM sulforaphane inhibited bladder cancer cell proliferation by 26.1 ± 4.1% in normoxia, while it inhibited cell proliferation by 39.7 ± 5.2% in hypoxia in RT112 cells. Consistently, sulforaphane inhibited cell proliferation by 29.7 ± 4.6% in normoxia, while it inhibited cell proliferation by 48.3 ± 5.2% in hypoxia in RT4 cells. Moreover, we revealed that sulforaphane decreased glycolytic metabolism in a hypoxia microenvironment by downregulating hypoxia-induced HIF-1α and blocking HIF-1α trans-localization to the nucleus in NMIBC cell lines. This study discovered a food sourced compound inhibiting bladder cancer cells proliferation and provided experimental evidence for developing a new bladder cancer preventive and therapeutic strategy.</P> [FIG OMISSION]</BR>
Synthesis of N-Azaaryl Anilines: An Efficient Protocol via Smiles Rearrangement
Shuai Xia,Li-Ying Wang,Heng-Zhi Sun,Huan Yue,Xiu-Hua Wang,Jia-Lian Tan,Yin Wang,Di Hou,Xiao-Yan He,Ki-Cheol Mun,B. Prem kumar,Hua Zuo,신동수 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.2
An efficient process for the synthesis of N-azaaryl anilines via Smiles rearrangement as a tool. A variety of Nazaaryl anilines were generated by the reaction of substituted phenols, substituted anilines, aminopyridines and chloroacetyl chloride or pyridols, under base condition in good to excellent yields.
Microstructural evolution of carbon nanotube fibers: deformation and strength mechanism.
Liu, Xia,Lu, Weibang,Ayala, Orlando M,Wang, Lian-Ping,Karlsson, Anette M,Yang, Qingsheng,Chou, Tsu-Wei RSC Pub 2013 Nanoscale Vol.5 No.5
<P>A comprehensive investigation of the mechanical behavior and microstructural evolution of carbon nanotube (CNT) continuous fibers under twisting and tension is conducted using coarse-grained molecular dynamics simulations. The tensile strength of CNT fibers with random CNT stacking is found to be higher than that of fibers with regular CNT stacking. The factor dominating the mechanical response of CNT fibers is identified as individual CNT stretching. A simplified twisted CNT fiber model is studied to illustrate the structural evolution mechanisms of CNT fibers under tension. Moreover, it is demonstrated that CNT fibers can be reinforced by enhancing intertube interactions. This study would be helpful not only in the general understanding of the nano- and micro-scale factors affecting CNT fibers' mechanical behavior, but also in the optimal design of CNT fibers' architecture and performance.</P>
Zhao, Lian-Mei,Han, Li-Na,Ren, Feng-Zhi,Chen, Shu-Hong,Liu, Li-Hua,Wang, Ming-Xia,Sang, Mei-Xiang,Shan, Bao-En Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Cochinchina momordica seeds (CMS) have been widely used due to antitumor activity by Mongolian tribes of China. However, the details of the underlying mechanisms remain unknown. In the present study, we found that an EtOAc (ethyl ester) extract of CMS (CMSEE) induced differentiation and caused growth inhibition of melanoma B16 F1 cells. CMSEE at the concentration of $5-200{\mu}g/ml$ exhibited strongest anti-proliferative effects on B16 F1 cells among other CMS fractions (water or petroleum ether). Moreover, CMSEE induced melanoma B16 F1 cell differentiation, characterized by dendrite-like outgrowth, increasing melanogenesis production, as well as enhancing tyrosinase activity. Western blot analysis showed that sustained phosphorylation of p38 MAP accompanied by decrease in ERK1/2 and JNK dephosphorylation were involved in CMSEE-induced B16 F1 cell differentiation. Notably, 6 compounds that were isolated and identified may be responsible for inducing differentiation of CMSEE. These results indicated that CMSEE contributes to the differentiation of B16 F1 cells through modulating MAPKs activity, which may throw some light on the development of potentially therapeutic strategies for melanoma treatment.