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Jiang, Ping,Yu, Guo-Yu,Zhang, Yong,Xiang, Yang,Hua, Hai-Rong,Bian, Li,Wang, Chun-Yan,Lee, Wen-Hui,Zhang, Yun Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.6
The role of protease-activated receptors (PARs) in lung tumors is controversial. Although PAR4 is preferentially expressed in human lung tissues, its possible significance in lung cancer has not been defined. The studies reported herein used a combination of clinical observations and molecular methods. Surgically resected lung adenocarcinomas and associated adjacent normal lung tissues were collected and BEAS-2B and NCI-H157 cell lines were grown in tissue culture. PAR4 expression was evaluated by RT-PCR, RT-qPCR, Western blotting and immunohistochemistry analysis. The results showed that PAR4 mRNA expression was generally decreased in lung adenocarcinoma tissues as compared with matched noncancerous tissues (67.7%) and was associated with poor differentiation (p=0.017) and metastasis (p=0.04). Western blotting and immunohistochemical analysis also showed that PAR4 protein levels were mostly decreased in lung adenocarcinoma tissues (61.3%), and were also associated with poor differentiation (p=0.035) and clinical stage (p=0.027). Moreover, PAR4 expression was decreased in NCI-H157 cells as compared with BEAS-2B cells. In conclusion, PAR4 expression is significantly decreased in lung adenocarcinoma, and down-regulation of PAR4 is associated with a more clinically aggressive phenotype. PAR4 may acts as a tumor suppressor in lung adenocarcinoma.
Characteristics of registered studies for Coronavirus disease 2019 (COVID-19): a systematic review
Ming Yang,Ya-xi Shang,Zi-yu Tian,Min Xiong,Chun-li Lu,Jiang Yue,Zhang Yao,Zhang Ying-ying,Jin Xin-yan,Jin Qiu-bai,Zhang Ying-ying,Willcox Merlin L.,Liu Jian-ping 한국한의학연구원 2020 Integrative Medicine Research Vol.9 No.3
Background: The World Health Organization characterized the Coronavirus disease 2019 (COVID-19) as a pandemic on March 11th. Many clinical trials on COVID-19 have been registered, and we aim to review the study characteristics and provide guidance for future trials to avoid duplicated effort. Methods: Studies on COVID-19 registered before March 3rd, 2020 on eight registry platforms worldwide were searched and the data of design, participants, interventions, and outcomes were extracted and analyzed. Results: Three hundred and ninety-three studies were identified and 380 (96.7%) were from mainland China, while 3 in Japan, 3 in France, 2 in the US, and 3 were international collaborative studies. Two hundred and sixty-six (67.7%) aimed at therapeutic effect, others were for prevention, diagnosis, prognosis, etc. Two hundred and two studies (51.4%) were randomized controlled trials. Two third of therapeutic studies tested Western medicines including antiviral drugs (17.7%), stem cell and cord blood therapy (10.2%), chloroquine and derivatives (8.3%), 16 (6.0%) on Chinese medicines, and 73 (27.4%) on integrated therapy of Western and Chinese medicines. Thirty-one studies among 266 therapeutic studies (11.7%) used mortality as primary outcome, while the most designed secondary outcomes were symptoms and signs (47.0%). Half of the studies (45.5%) had not started recruiting till March 3rd. Conclusion: Inappropriate outcome setting, delayed recruitment and insufficient numbers of new cases in China implied many studies may fail to complete. Strategies and protocols of the studies with robust and rapid data sharing are warranted for emergency public health events, helping the timely evidence-based decision-making.
Yuan-yuan Jiang,Lian Sun,Hua Wang,Chun-yang Zhao,Wei-Bing Zhang 대한치과교정학회 2020 대한치과교정학회지 Vol.50 No.2
Objective: To propose a three-dimensional (3D) method for evaluating temporomandibular joint (TMJ) changes during Twin-block treatment. Methods: Seventeen patients with Class II division 1 malocclusion treated using Twinblock and nine untreated patients with a similar malocclusion were included in this research. We collected their cone beam computed tomography (CBCT) data from before and 8 months after treatment. Segmentations were constructed using ITK-SNAP. Condylar volume and superficial area were measured using 3D Slicer.The 3D landmarks were identified on CBCT images by using Dolphin software to assess the condylar positional relationship. 3D models of the mandible and glenoid fossa of the patients were constructed and registered via voxel-based superimposition using 3D Slicer. Thereafter, skeletal changes could be visualized using 3DMeshMetric in any direction of the superimposition on a color-coded map. All the superimpositions were measured using the same scale on the distance color-coded map, in which red color represents overgrowth and blue color represents resorption. Results: Significant differences were observed in condylar volume, superficial area, and condylar position in bothgroups after 8 months. Compared with the control group (CG), the Twin-block group exhibited more obvious condyle-fossa modifications and joint positional changes. Moreover, on the color-coded map, more obvious condyle-fossa modifications could be observed in the posterior and superior directions in the Twin-block group than in the CG. Conclusions: We successfully established a 3D method for measuring and evaluating TMJ changes caused by Twin-block treatment. The treatment produced a larger condylar size and caused condylar positional changes. [Korean J Orthod 2020;50(2):86-97]
Cloning and Expression of Mycobacterium bovis Secreted Protein MPB83 in Escherichia coli
Xiu-Yun, Jiang,Wang, Chun-Feng,Wang, Chun-Fang,Zhang, Peng-Ju,He, Zhao-Yang Korean Society for Biochemistry and Molecular Biol 2006 Journal of biochemistry and molecular biology Vol.39 No.1
The gene encoding MPB83 from Mycobacterium bovis Vallee111 chromosomal DNA was amplified by using polymerase chain reaction (PCR) technique, and the PCR product was approximately 600bp DNA segment. Using T-A cloning technique, the PCR product was cloned into pGEM-T vector and the cloning plasmid pGEM-T-83 was constructed successfully. pGEM-T-83 and pET28a(+) were digested by BamHI and EcoRI double enzymes. The purified MPB83 gene was subcloned into the expression vector pET28a(+), and the prokaryotic expression vector pET28a-83 was constructed. Plasmid containing pET28a-83 was transformed into competence Escherichia coli BL21 (DE3). The bacterium was induced by isopropyl-$\beta$-D-thiogalactopyranoside (IPTG) and its lysates were loaded directly onto sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), approximately 26 kDa exogenous protein was observed on the SDS-PAGE. The protein was analyzed using Western-blotting. The results indicated that the protein was of antigenic activity of M. bovis. The results were expected to lay foundation for further studies on the subunit vaccine and DNA vaccine of MPB83 gene in their prevention against bovine tuberculosis.
심춘수(Sim Chun-Soo),강빙양(Jiang Bing-Yang) 동국대학교 영상문화콘텐츠연구원 2015 영상문화콘텐츠연구 Vol.8 No.-
최근 들어 한국 예능프로는 중국에서 큰 인기를 끌고 있는데 드라마와 음악에 이어 새로운 한류열풍을 일으킬 태세를 보이고 있다. 문화콘텐츠의 중요한 형식의 하나로 예능프로는 한국 문화산업이 세계로 나아가는 새로운 통로가 될 것이며 이에 따라 한국 문화를 홍보하고 수출을 확대하는데 큰 기여를 할 것이다. 특히 인접한 중국은 거대한 문화산업시장을 갖고 있지만 아직 완전히 개발되지 않은 상태여서 한국은 한류라는 우위 조건을 충분히 활용하여 그리고 예능프로라는 콘텐츠를 통해 중국 문화산업시장에서 자신의 지분을 확보할 필요가 있다. 본 문은 한국 예능프로의 중국 현지화에 대한 연구를 통해 한국 예능프로가 중국에서 지속적으로 발전할 수 있는 가능성과 그 결정적인 요인에 대해 분석하고자 한다. 한국 예능프로의 인기요인과 중국 시청자들의 기호에 대한 분석을 통해 정리한 향후 한국 예능프로가 중국 시장에서 갖추어야 할 가장 핵심적인 가치이자 요인이 바로 즐거움, 융통성, 가족애 그리고 여성위주이다. 이를 기반으로 한국 예능프로의 더욱 큰 활약을 기대해 볼 수 있다. Nowadays, the Korean variety shows are very popular among the Chinese audiences. Followed by Korean drama and music, the Korean variety show is becoming a new trend of Hallyu in China. As an important expression form of the culture contents, the Korean variety show is becoming a new channel to help the Korean culture go to the world and by this culture-export, it will also be good for the spread of Korean culture and the promotion of Korean national spirit. Especially, there is a great potential cultural industry in China, but which is not yet fully developed. So by this chance, Korea can enhance the market share of culture in China by the advantage of the influence of Hallyu. The purpose of this study lies in finding out the way of sustainable development and the essential elements for survival of Korean variety show in China by way of Chinese localization research. This paper analyzes the features and the popular elements of Korean variety show combining with the Chinese audiovisual orientation and aesthetic views to conclude that in order to sustain the development in Chinese market, the Korean variety show should continually produce new programs and shows on the basis of flexibility, fun and family affection.
Dong Xiaohu,Jiang Xuecheng,Gu Yan,Wei Chunlei,Xie Zhijian,Zhang Qi,Qian Weiying,Zhang Xiangyang,Zhu Chun,Lu Naiyan,Chen Guoqing,Yang Guofeng 한국물리학회 2023 Current Applied Physics Vol.50 No.-
This work presents a new approach for lead ion detection (Pb2+) using an aluminum gallium nitride/gallium nitride (AlGaN/GaN) high-electron-mobility transistor (HEMT) sensor. The AlGaN/GaN HEMT structure of the sensor was realized by functionalizing the gate area with glutathione (GSH). The crystalline and surface qualities of the AlGaN film were measured through X-ray diffraction and atomic force microscopy. The response of the sensor was measured in terms of the source–drain current with varying concentrations of Pb2+ ions at a fixed drain-to-source voltage. The sensitivity of the sensor was 29.3 μA/(mg/L), and it exhibited high selectivity toward Pb2+. The results show that using the GSH-functionalized AlGaN/GaN HEMT sensor is a promising strategy for Pb2+ ion detection.