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Peng TW, Ma T, Yang ZK, Zhang MD, Ren GH. [Comparison of three-dimensional position of maxillary dentition model treated with two digital transfer methods]. Zhonghua Kou Qiang Yi Xue Za Zhi 2024; 59:80-84. [PMID: 38172065 DOI: 10.3760/cma.j.cn112144-20230904-00137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Objective: To compare and evaluate the difference in maxillary dentition position using an anatomical facebow and jaw movement analyzer. Methods: From March to May 2023, 15 medical interns from Yantai Stomatological Hospital were recruited, including 9 males and 6 females, aged 20-25 years. Digital models and plaster models of maxillary dentition were obtained from the 15 medical interns. The anatomical facebow group (AFB) and jaw movement analyzer group (JMA) were used to transfer the position of the maxillary dentition to the virtual articulator. The virtual occlusal articulator module of exocad denture design software was used to measure the inclination angle of the occlusal plane of the two groups, the distance between the mesio-incisal angle of the left maxillary central incisor and the lateral center point of the lateral condylar sphere of the virtual occlusal articulator, the distance between the mesial buccal cusp of the maxillary first molar and the lateral center point of the lateral condyle sphere of the virtual articulator. The same marks (mesial incisor point of left maxillary central incisor and mesial buccal cusp point of both maxillary first molars) were measured in two groups of maxillary dentition, and the root-mean-square error between 3 points was calculated. Results: The occlusal plane inclination angle in AFB group (9.11°±3.85°) was significantly larger than that in JMA group (4.94°±2.69°) (t=10.45, P<0.001). There were significant differences between AFB and JMA groups. The distances from the mesial cusp of the left first molar to the lateral center of the left condylar, from the mesial cusp of the left maxillary central incisor to the lateral center of the left condylar[(91.75±3.05), (129.09±4.60) mm]were significantly smaller than those in the JMA group[(95.68±5.45), (132.41±5.64) mm](t=-4.48, P=0.001; t=-4.21, P=0.001). In both groups of models, the distance of the mesial cusp of the left maxillary central incisor was (8.81±2.56) mm, and the distance between mesial buccal cusp of maxillary left first molar was (7.56±2.49) mm, the distance between mesial buccal cusp of maxillary right first molar was (7.13±2.77) mm; the root mean square error was (7.93± 2.94) mm. Compared with 0, the difference was statistically significant (t=10.45, P<0.001). Conclusions: There were differences between the two methods (anatomical facebow and the jaw movement analyzer) for transferring the maxillary dentition position to the three-dimensional space position of the virtual articulator.
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Affiliation(s)
- T W Peng
- Center for Occlusion, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
| | - T Ma
- School of Stomatology, Binzhou Medical University, Yantai 264003, China
| | - Z K Yang
- School of Stomatology, Binzhou Medical University, Yantai 264003, China
| | - M D Zhang
- School of Stomatology, Binzhou Medical University, Yantai 264003, China
| | - G H Ren
- Center for Occlusion, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
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An XJ, Ma T, Zhang J, Zhang J, Ren GH. [Clinical application of precise digital esthetic repair: a case report]. Zhonghua Kou Qiang Yi Xue Za Zhi 2022; 57:1254-1257. [PMID: 36509528 DOI: 10.3760/cma.j.cn112144-20220417-00188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- X J An
- Center for Occlusion, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
| | - T Ma
- School of Stomatology, Binzhou Medical University, Yantai 264003, China
| | - J Zhang
- Department of General Dentistry 1, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
| | - J Zhang
- Department of Dental Technology, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
| | - G H Ren
- Center for Dental Aesthetics, Yantai Stomatological Hospital Affiliated to Binzhou Medical College, Yantai 264001, China
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Lü S, Lü C, Li YL, Xu J, Hong QB, Zhou J, Zhang JF, Wen LY, Zhang JF, Zhang SQ, Lin DD, Liu JB, Ren GH, Dong Y, Liu Y, Yang K, Jiang ZH, Deng ZH, Jin YJ, Xie HG, Zhou YB, Wang TP, Liu YW, Zhu HQ, Cao CL, Li SZ, Zhou XN. [Expert consensus on the strategy and measures to interrupt the transmission of schistosomiasis in China]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2021; 33:10-14. [PMID: 33660468 DOI: 10.16250/j.32.1374.2021007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Since 2015 when the transmission of schistosomiasis was controlled in China, the country has been moving towards elimination of schistosomiasis, with the surveillance-response as the main interventions for schistosomiasis control. During the period of the 13th Five-Year Plan, the transmission of schistosomiasis had been interrupted in four provinces of Sichuan, Jiangsu, Yunnan and Hubei and the prevalence of schistosomiasis has been at the historically lowest level in China. As a consequence, the goal set in The 13th Five-Year National Schistosomiasis Control Program in China is almost achieved. However, there are multiple challenges during the stage moving towards elimination of schistosomiasis in China, including the widespread distribution of intermediate host snails and complicated snail habitats, many types of sources of Schistosoma japonicum infections and difficulty in management of bovines and sheep, unmet requirements for the current schistosomiasis control program with the currently available tools, and vulnerable control achievements. During the 14th Five-Year period, it is crucial to consolidate the schistosomiasis control achievements and gradually solve the above difficulties, and critical to provide the basis for achieving the ultimate goal of elimination of schistosomiasis in China. Based on the past experiences from the national schistosomiasis control program and the challenges for schistosomiasis elimination in China, an expert consensus has been reached pertaining to the objectives, control strategy and measures for The 14th Five-Year National Schistosomiasis Control Program in China, so as to provide insights in to the development of The 14th Five-Year National Schistosomiasis Control Program in China.
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Affiliation(s)
- S Lü
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - C Lü
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - Y L Li
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - J Xu
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - Q B Hong
- Jiangsu Institute of Parasitic Diseases, China
| | - J Zhou
- Hunan Provincial Institute of Schistosomiasis Control, China
| | - J F Zhang
- Jiangsu Institute of Parasitic Diseases, China
| | - L Y Wen
- Zhejiang Provincial Center for Schistosomiasis Control, China
| | - J F Zhang
- Zhejiang Provincial Center for Schistosomiasis Control, China
| | - S Q Zhang
- Anhui Provincial Institute of Schistosomiasis Control, China
| | - D D Lin
- Jiangxi Provincial Institute of Parasitic Disease Control, China
| | - J B Liu
- Hubei Provincial Center for Disease Control and Prevention, China
| | - G H Ren
- Hunan Provincial Institute of Schistosomiasis Control, China
| | - Y Dong
- Yunnan Institute of Endemic Disease Control and Prevention, China
| | - Y Liu
- Sichuan Provincial Center for Disease Control and Prevention, China
| | - K Yang
- Jiangsu Institute of Parasitic Diseases, China
| | - Z H Jiang
- Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention, China
| | - Z H Deng
- Guangdong Provincial Center for Disease Control and Prevention, China
| | - Y J Jin
- Shanghai Municipal Center for Disease control and Prevention, China
| | - H G Xie
- Fujian Provincial Center for Disease Control and Prevention, China
| | - Y B Zhou
- School of Public Health, Fudan University, China
| | - T P Wang
- Anhui Provincial Institute of Schistosomiasis Control, China
| | - Y W Liu
- Jiangxi Provincial Institute of Parasitic Disease Control, China
| | - H Q Zhu
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - C L Cao
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - S Z Li
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
| | - X N Zhou
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Key Laboratory of Parasite and Vector Biology of National Health Commission, Shanghai 200025, China
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Xu J, Li SZ, Zhang LJ, Bergquist R, Dang H, Wang Q, Lv S, Wang TP, Lin DD, Liu JB, Ren GH, Yang K, Liu Y, Dong Y, Zhang SQ, Zhou XN. Surveillance-based evidence: elimination of schistosomiasis as a public health problem in the Peoples' Republic of China. Infect Dis Poverty 2020; 9:63. [PMID: 32505216 PMCID: PMC7275476 DOI: 10.1186/s40249-020-00676-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 05/19/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND A steady progress on schistosomiasis control in the Peoples' Republic of China (P.R. China) was achieved and broadened into the twelve-year medium and long term national plan (MLNP) which marled the implementation of an integrated control strategy across all endemic areas in P.R. China in 2004. To understand the endemic trends of schistosomiasis to assess the effectiveness of an integrated strategy, we conducted an analysis of schistosomiasis surveillance data spanned from 2005 to 2015. METHODS The schistosomiasis sentinel surveillance data from sentinel sites were collected and analyzed from 2005 to 2015. In these sentinel sites, residents aged 6 years or above were screened annually by indirect hemagglutination assay (IHA), while only antibody positives were followed by stool examination either Kato-katz method (KK) and/or hatching technique (HT). Domestic animals raised in sentinel sites were examined by HT for confirming the infection of schistosomes. Snail investigation was conducted each year through systematic sampling method combined with environmental sampling method. The snails collected from field were tested by microscopic dissection method. The infection rates of schistosomes in residents, domestic animals and snails, as well as the indicators reflecting the snails' distribution were calculated and analyzed. ANOVA analysis was used to examine the changes of the number of eggs per gram feces in population and Chi-square test was used to examine any change in proportions among groups. RESULTS A total of 148 902 residents from sentinel sites attended this study and 631 676 blood samples were examined by IHA test during the 11 covered years. The annual average antibody positive rates presented a significant decrease trends, from 17.48% (95% CI: 17.20-17.75%) in 2005 to 5.93% (95% CI: 5.71-6.15%) (χ2 = 8890.47, P < 0.001) in 2015. During 2005-2015, the average infection rate of schistosomes in residents declined from 2.07% (95% CI: 1.96-2.17%) to 0.13% (95% CI: 0.09-0.16%), accompanied by significant decrease of infection intensity in population. In 2015, the stool positives were only found in farmers, fishermen and boatmen with infection rate of 0.16% (95% CI: 0.11-0.20%), 0.17% (95% CI: 0-0.50%) respectively. The infection rate of schistosomes in domestic animals dropped from 9.42% (538/5711, 95% CI: 8.66-10.18%) to 0.08% (2/2360, 95% CI: 0-0.20%) from 2005 to 2015. Infections were found in eight species of domestic animals at the beginning of surveillance while only two cattle were infected in 2015. Totally 98 ha of new snail habitats were found, while 94.90% (93/98) distributed in lake and marshland regions. The percentage of frames with snails decreased from 16.96% (56 884/33 5391, 95% CI: 16.83-17.09%) in 2005 to 4.28% (18 121/423 755, 95% CI: 4.22-4.34%) in 2014, with a slightly increase in 2015. Meanwhile, the infection rate of schistosomes in snails was decreased from 0.26% (663/256 531, 95% CI: 0.24-0.28%) to zero during 2005-2015. CONCLUSIONS The infection rate of schistosomes declined significantly, providing evidence that the goal of the MLNP was achieved. Elimination of schistosomiasis as a public health problem defined as WHO was also reached in P.R. China nationwide. Surveillance-response system should be improved and strengthened to realize the final goal of schistosomiasis elimination.
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Affiliation(s)
- Jing Xu
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | - Shi-Zhu Li
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | - Li-Juan Zhang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | | | - Hui Dang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | - Qiang Wang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | - Shan Lv
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
| | - Tian-Ping Wang
- Anhui Provincial Institute of Schistosomiasis Control, Hefei, Anhui Province 230061 People’s Republic of China
| | - Dan-Dan Lin
- Jiangxi Provincial Institute of Parasitic Disease, Nanchang, Jiangxi Province 330006 People’s Republic of China
| | - Jian-Bing Liu
- Hubei Provincial Institute of Schistosomiasis Control, Hubei Center for Disease Control, Wuhan, Hubei Province 430079 People’s Republic of China
| | - Guang-Hui Ren
- Hunan Provincial Institute of Schistosomiasis Control, Yueyang, Hunan Province 414000 People’s Republic of China
| | - Kun Yang
- Jiangsu Provincial Institute of Schistosomiasis Control, Wuxi, Jiangsu Province 214064 People’s Republic of China
| | - Yang Liu
- Sichuan Center for Disease Control, Chengdu, Sichuan Province 610041 People’s Republic of China
| | - Yi Dong
- Yunnan Provincial Institute of Endemic Diseases Control and Prevention, Dali, Yunnan Province 671000 People’s Republic of China
| | - Shi-Qing Zhang
- Anhui Provincial Institute of Schistosomiasis Control, Hefei, Anhui Province 230061 People’s Republic of China
| | - Xiao-Nong Zhou
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, Chinese Center for Tropical Disease Research, Shanghai, 200025 People’s Republic of China
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Hu BJ, Li SM, Zhou J, Hou XY, Zhou YB, Jiang QW, Ren GH. [Progress of schistosomiasis control in Dongting Lake regions]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:320-322. [PMID: 32468801 DOI: 10.16250/j.32.1374.2020064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
As an ancient parasitic disease, schistosomiasis has been endemic in Dongting Lake areas for more than 2 100 years. In the early 20th century, the first human case of schistosomiasis in China was reported in Dongting Lake areas, which was paid extensive attention. After the founding of the People's Republic of China, large-scale schistosomiasis control activities were launched promptly in Dongting Lake areas, and great successes have been achieved following the three stages of control efforts, including the snail control-based stage, synchronous chemotherapy for humans and livestock-based control stage and infectious source control-based control stage. In 2015, transmission control of schistosomiasis was achieved in Hunan Province. This paper comprehensively describes the discovery and control of schistosomiasis, analyzes the challenges for the current schistosomiasis control programs and proposes the emphasis for future control activities in Dongting Lake areas, so as to provide insights into the schistosomiasis control program in this area.
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Affiliation(s)
- B J Hu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - S M Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - J Zhou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X Y Hou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Y B Zhou
- School of Public Health, Fudan University, China
| | - Q W Jiang
- School of Public Health, Fudan University, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
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Li SM, Deng WC, Cheng XH, He HB, Zhou YB, Zhou J, Hu BJ, Liu HQ, Lu SK, Li YS, Zhou XN, Ren GH. [Challenges and countermeasures of schistosomiasis control in Hunan Province in the new era]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:225-229. [PMID: 32468782 DOI: 10.16250/j.32.1374.2020051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This paper describes the current epidemic characteristics and endemic status of schistosomiasis, analyzes the main challenges of schistosomiasis control and proposes the emphasis and interventions for future schistosomiasis control activities in Hunan Province, so as to provide insights into the elimination of schistosomiasis in Hunan Province.
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Affiliation(s)
- S M Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - W C Deng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X H Cheng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H B He
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Y B Zhou
- School of Public Health, Fudan University, China
| | - J Zhou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - B J Hu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H Q Liu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - S K Lu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Y S Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X N Zhou
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
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Tang L, Zhou J, Zhao ZY, Wang HL, Jiang Q, Lian H, Wu X, Jiang LP, Han YQ, Ren GH, Deng WC. [Effect of integrated schistosomiasis control measures in Hunan Province from 2004 to 2019]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:230-235. [PMID: 32468783 DOI: 10.16250/j.32.1374.2020067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To examine the effect of the integrated schistosomiasis control measures in Hunan Province from 2004 to 2019, so as to provide insights into the development of the schistosomiasis elimination strategy. METHODS The integrated schistosomiasis control measures implemented by the health, agriculture, water resources, forestry, land and resources sectors were retrospectively collected in Hunan Province from 2004 to 2019, and the completion of each measure, cost of control measures, Schistosoma japonicum infections in humans and bovines, and snail status were analyzed each year. An index system for assessing the integrated schistosomiasis control effect was constructed using the Delphi method to calculate the integrated schistosomiasis control effect index. In addition, a cost-effect analysis was performed in terms of the decline in the prevalence of S. japonicum infections in humans and bovines, areas with snails in inner embankments, and areas with infected snails. RESULTS A total of 7 110 926 500 Yuan were invested into the integrated schistosomiasis control program of Hunan Province from 2004 to 2019. During the 16-year period, a total of 277 437.12 hm2 snail habitats received molluscicidal treatments, 6 927 230 person-times given expanded chemotherapy, 2 116 247 bovine-times given expanded chemotherapy, 954 850 harmless toilets built, 290 359 bovines fenced, 136 666 bovines eliminated, 141 905 machines used to replace bovines, 39 048.63 hm2 water lands improved as dry lands, 724.12 km irrigation regions improved, 3 994 300 populations covered with safe water, 191 102.89 hm2 forests planted and 38 535.27 hm2 lands leveled. The prevalence of S. japonicum infections was 4.29% in humans and 4.48% in bovines in Hunan Province in 2004, with 2 449.37 hm2 snail habitats in inner embankments and 3 423.74 hm2 infected snail areas. In 2019, the prevalence of S. japonicum infections reduced to 0 in both humans and bovines, and areas of snail habitats reduced to 540.92 hm2 (77.92% reductions), while the areas with infected snails reduced to 0. The overall integrated schistosomiasis control effect index appeared a tendency towards a rise over years since 2004, and the integrated schistosomiasis control effect index was 97.35 in 2019; the annual mean costs for a 1% reduction in the prevalence of S. japonicum infections in 100 populations and 100 bovines were 70.11 Yuan and 4 204.78 Yuan, and the annual mean costs for a 1% reduction in the snail areas in inner embankments and infected snail areas were 2 010.20 Yuan and 1 298.09 Yuan, respectively. CONCLUSIONS The integrated control measures achieve remarkable effectiveness for schistosomiasis control in Hunan Province, with a remarkable decline in the prevalence of S. japonicum infections in humans and bovines and great shrinking of snail areas in inner embankments and infected snail areas. Adequate fund investment is required to improve the integrated schistosomiasis control measures and consolidate the control achievements.
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Affiliation(s)
- L Tang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - J Zhou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Z Y Zhao
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H L Wang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Q Jiang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H Lian
- Ecological and Environmental Monitoring Center of Dongting Lake of Hunan Province, China
| | - X Wu
- Department of Parasitology, School of Basic Medical Sciences, Central South University, China
| | - L P Jiang
- Department of Parasitology, School of Basic Medical Sciences, Central South University, China
| | - Y Q Han
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - W C Deng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
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Deng WC, Li YS, Cheng XH, Ren GH, He HB, Zhou YB, Zhang YY, Hu BJ, Liu HQ, Lu SK, Li SM, Zhou XN. [Implications, spiritual characteristics and practical significance of Chinese schistosomiasis control culture]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:222-224. [PMID: 32468781 DOI: 10.16250/j.32.1374.2020050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The culture of schistosomiasis control is specific in the history of Chinese culture. Broadly speaking, the culture of schistosomiasis control is a summary of specific social mood, social consciousness and material culture created by Chinese populations during the progress of schistosomiasis control since the founding of the People's Republic of China. Narrowly speaking, the culture of schistosomiasis control is the spiritual culture that is jointly created and nurtured by schistosomiasis control workers since the founding of the People's Republic of China. The spiritual features of Chinese schistosomiasis control culture are characterized by the patriotism and care about the people, the matter-to-fact attitude, the pioneering and enterprising spirit, and the spirit of sacrifice and dedication. The ultimate goal of the research on the culture of schistosomiasis control is to facilitate the achievement of the strategic goal of Healthy China 2030 as scheduled, accelerate the progress towards elimination of schistosomiasis, and to promote the sustainable development of schistosomiasis control in China.
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Affiliation(s)
- W C Deng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Y S Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X H Cheng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H B He
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Y B Zhou
- School of Public Health, Fudan University, China
| | - Y Y Zhang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - B J Hu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H Q Liu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - S K Lu
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - S M Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X N Zhou
- National Institute of Parasitic Diseases, Chinese Center for Diseases Control and Prevention, China
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9
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Wang HL, Zhou J, Jiang Q, Wu X, Jiang LP, Tang L, Li CL, He HB, Ren GH. [Endemic situation of schistosomiasis in Hunan Province in 2019]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:317-319. [PMID: 32468800 DOI: 10.16250/j.32.1374.2020057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To analyze the endemic situation of schistosomiasis in Hunan Province in 2019, so as to provide insights into the achievement of transmission interruption of schistosomiasis in the province in 2020. METHODS The data pertaining to Schistosoma japonicum infections in humans and livestock and snail status were captured from Hunan Province in 2019 and analyzed. RESULTS Schistosomiasis was endemic in 281 townships (towns) from 41 counties (districts) of 6 cities in Hunan Province by the end of 2019. A total of 991 900 persons received blood testing in Hunan Province in 2019, and 22 773 were positive for the blood testing, with sero-prevalence of 2.30%. All stool examinations were negative in 22 933 individuals detected. The high sero-prevalence was seen in Nanxian County, Anxiang County and Ziyang District. Currently, there were 5 034 cases with advanced schistosomiasis detected in Hunan Province, and they were predominantly identified in Yuanjiang City, Heshan District and Yueyang County. There were 44 963 bovines fenced in schistosomiasis-endemic villages in Hunan Province in 2019, which were predominantly distributed in Yuanjiang City, Hanshou County and Ziyang District, and no positives were detected in 1 996 bovines receiving blood testing or 20 684 bovines receiving stool examinations. In 2019, there were snail habitats of 1.73 billion m2 found in Hunan Province, which were mainly found in Yuanjiang City, Hanshou County and Yueyang County. CONCLUSIONS The endemic situation of schistosomiasis further decreases in Hunan Province in 2019; however, there is still a risk of schistosomiasis transmission in local areas of the province.
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Affiliation(s)
- H L Wang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - J Zhou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - Q Jiang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X Wu
- Department of Parasitology, School of Basic Medical Sciences, Central South University, China
| | - L P Jiang
- Department of Parasitology, School of Basic Medical Sciences, Central South University, China
| | - L Tang
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - C L Li
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H B He
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
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Zhou J, Ren GH, He HB, Hou XY, Deng WC. [Application of the exponential smoothing model and ARIMA model in prediction of the endemic situation of schistosomiasis in Hunan Province]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:236-241. [PMID: 32468784 DOI: 10.16250/j.32.1374.2020021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To predict the changes in the prevalence of Schistosoma japonicum infections in humans and livestock in Hunan Province using the exponential smoothing model and the ARIMA model. METHODS The data pertaining to S. japonicum infections in humans and livestock in Hunan Province from 1957 to 2015 were collected, and the exponential smoothing model and the ARIMA model were created using the software Eviews and PASW Statistics 18.0. In addition, the effectiveness of these two models for the prediction of S. japonicum infections in humans and livestock in Hunan Province from 2016 to 2018 was evaluated. RESULTS The exponential smoothing model and the ARIMA model had a high goodness of fit for prediction of S. japonicum infections in humans and livestock in Hunan Province from 1957 to 2015. There was a linear trend in the prevalence of S. japonicum infections in humans and livestock in Hunan Province from 1957 to 2015. The prevalence of S. japonicum infections in humans predicted with the Brown's linear trend and the prevalence of S. japonicum infections in livestock predicted with the Holt's linear trend in Hunan Province from 2016 to 2018 fitted better the actual data than the ARIMA model; however, prediction of the ARIMA model indicated that the endemic situation of schistosomiasis remained at a low level in Hunan Province. CONCLUSIONS At a low epidemic level, development of highly sensitive tools for monitoring schistosomiasis is urgently needed in Hunan Province to fit the current endemic situation, and the schistosomiasis control measures should be intensified to consolidate the control achievements.
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Affiliation(s)
- J Zhou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - G H Ren
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - H B He
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - X Y Hou
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
| | - W C Deng
- Hunan Institute of Parasitic Diseases, WHO Collaborating Center on Schistosomiasis Control in Lake Regions, Hunan Key Laboratory of Immunology and Transmission Control of Schistosomiasis, National Key Clinical Specialty, Yueyang 414000, China
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Peng LN, Deng XY, Gan XX, Zhang JH, Ren GH, Shen F, Feng JH, Cai WS, Xu B. Targeting of TLE3 by miR-3677 in human breast cancer promotes cell proliferation, migration and invasion. Oncol Lett 2019; 19:1409-1417. [PMID: 32002031 PMCID: PMC6960393 DOI: 10.3892/ol.2019.11241] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 11/07/2019] [Indexed: 02/07/2023] Open
Abstract
Numerous studies have indicated an important function of microRNAs (miRs) in breast cancer (BC) progression, oncogenesis and metastasis. However, the function of miR-3677, which has been revealed to be upregulated in BC [The Cancer Genome Atlas (TCGA) data], has not been investigated to date. In the present study, miR-3677 was revealed to be upregulated in BC as determined using TCGA. miR-3677 was significantly upregulated in BC tissues and cell lines compared with those noted in adjacent non-cancerous tissues and primary normal breast cells (P<0.05). The overexpression of miR-3677 promoted the cell proliferation, migration and invasion of BC cells. Using bioinformatics algorithms and luciferase assays, a novel target gene for miR-3677, namely transducin-like enhancer of Split3 (TLE3), was identified. Silencing of TLE3 in miR-3677-transfected BC cells suppressed their proliferation and migration. An inverse correlation was observed between miR-3677 and TLE3 expression levels in human BC tissues. In conclusion, the present study demonstrated that miR-3677 promoted BC cell proliferation, migration and invasion by inhibiting TLE3 expression, which provided a novel mechanism and a promising therapeutic target for patients with BC.
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Affiliation(s)
- Li-Na Peng
- Department of General Surgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China.,Department of General Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong 518101, P.R. China
| | - Xing-Yan Deng
- Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
| | - Xiao-Xiong Gan
- Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
| | - Jin-Hui Zhang
- Department of General Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong 518101, P.R. China
| | - Guang-Hui Ren
- Department of General Surgery, Shenzhen Hospital, Southern Medical University, Shenzhen, Guangdong 518101, P.R. China
| | - Fei Shen
- Department of General Surgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China.,Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
| | - Jian-Hua Feng
- Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
| | - Wen-Song Cai
- Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
| | - Bo Xu
- Department of General Surgery, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong 510630, P.R. China.,Department of General Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510180, P.R. China
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12
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Fei YX, Zhao B, Yin QY, Qiu YY, Ren GH, Wang BW, Wang YF, Fang WR, Li YM. Ma Xing Shi Gan Decoction Attenuates PM2.5 Induced Lung Injury via Inhibiting HMGB1/TLR4/NFκB Signal Pathway in Rat. Front Pharmacol 2019; 10:1361. [PMID: 31798456 PMCID: PMC6868102 DOI: 10.3389/fphar.2019.01361] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 10/28/2019] [Indexed: 12/31/2022] Open
Abstract
Ma Xing Shi Gan Decoction (MXD), a classical traditional Chinese medicine prescription, is widely used for the treatment of upper respiratory tract infection. However, the effect of MXD against particulate matters with diameter of less than 2.5 μm (PM2.5) induced lung injury remains to be elucidated. In this study, rats were stimulated with PM2.5 to induce lung injury. MXD was given orally once daily for five days. Lung tissues were harvested to assess pathological changes and edema. Myeloperoxidase (MPO) activity and malonaldehyde (MDA) content in lung were determined to evaluate the degree of injury. To assess the barrier disruption, the bronchoalveolar lavage fluid (BALF) was collected to determine the total protein content and count the number of neutrophils and macrophages. For evaluating the activation of macrophage in lung tissue, CD68 was detected using immunohistochemistry (IHC). The levels of inflammatory factors including tumor necrosis factor-alpha (TNF-α), interleukin-1beta (IL-1β), and interleukin-6 (IL-6) in BALF and serum were measured. In vitro, a PM2.5-activated RAW 264.7 macrophages inflammatory model was introduced. To evaluate the protective effect of MXD-medicated serum, the cell viability and the release of inflammatory factors were measured. The effects of MXD on the High mobility group box-1/Toll-like receptor 4/Nuclear factor-kappa B (HMGB1/TLR4/NFκB) pathway in lung tissue and RAW 264.7 cells were assessed by Western blot. For further confirming the protective effect of MXD was mediated by inhibiting the HMGB1/TLR4/NFκB pathway, RAW 264.7 cells were incubated with MXD-medicated serum alone or MXD-medicated serum plus recombinant HMGB1 (rHMGB1). MXD significantly ameliorated the lung injury in rats, as evidenced by decreases in the pathological score, lung edema, MPO activity, MDA content, CD68 positive macrophages number, disruption of alveolar capillary barrier and the levels of inflammatory factors. In vitro, MXD-medicated serum increased cell viability and inhibited the release of inflammatory cytokines. Furthermore, MXD treatment was found to inhibit HMGB1/TLR4/NFκB signal pathway both in vivo and in vitro. Moreover, the protection of MXD could be reversed by rHMGB1 in RAW 264.7. Taken together, these results suggest MXD protects rats from PM2.5 induced acute lung injury, possibly through the modulation of HMGB1/TLR4/NFκB pathway and inflammatory responses.
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Affiliation(s)
- Yu-Xiang Fei
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Bo Zhao
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qi-Yang Yin
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yan-Ying Qiu
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Guang-Hui Ren
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Bo-Wen Wang
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ye-Fang Wang
- Department of Pediatrics, Nanjing Integrated Traditional Chinese and Western Medicine Hospital, Nanjing, China
| | - Wei-Rong Fang
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yun-Man Li
- State Key Laboratory of Natural Medicines, School of Basic Medical Sciences and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
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13
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Ren GH, Yan QJ, Tang Y, Wu JJ, Zhang JH, Song JW, Liu NG. Research Progress on Detection Methods of Amphetamines in Human Hair. Fa Yi Xue Za Zhi 2019; 35:89-94. [PMID: 30896127 DOI: 10.12116/j.issn.1004-5619.2019.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Indexed: 11/30/2022]
Abstract
Amphetamines are chemical synthetic drugs that are becoming increasingly popular in China. As a common sample in the inspection of poisons, hair has the advantages of easy storage, good stability, and long detection time compared with traditional human body fluid samples (blood, urine), thus possesses an unique application value in the field of forensic toxicology analysis. By now, methods for detecting amphetamines in human hair have been widely used, and validity of the results has been recognized and adopted by the court. This paper reviews domestic and foreign research progress of the detection of amphetamines in hair samples, including the pretreatment and analytic methods.
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Affiliation(s)
- G H Ren
- Guangdong Kingmed Forensic Institute, Guangzhou 510220, China
| | - Q J Yan
- Guangdong Kingmed Forensic Institute, Guangzhou 510220, China
| | - Y Tang
- Guangdong Kingmed Forensic Institute, Guangzhou 510220, China
| | - J J Wu
- Guangdong Kingmed Forensic Institute, Guangzhou 510220, China
| | - J H Zhang
- Guangdong Kingmed Forensic Institute, Guangzhou 510220, China
| | - J W Song
- Guangdong Justice Police Vocational College, Guangzhou 510430, China
| | - N G Liu
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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14
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Ren GH, Weng RH, Shi Y, Huang P, Li ZD, Shao Y, Deng KF, Liu NG, Chen YJ. [Research Progress of MALDI-TOF-IMS in Biomedicine and Its Application Prospect in Forensic Sciences]. Fa Yi Xue Za Zhi 2017; 33:522-525. [PMID: 29275560 DOI: 10.3969/j.issn.1004-5619.2017.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Indexed: 11/18/2022]
Abstract
Matrix-assisted laser desorption/ionization time-of-flight imaging mass spectrometry (MALDI-TOF-IMS) can analysis unknown compounds in sections and obtain molecule imaging by scanning biological tissue sections, which has become a powerful tool for the research of biomarker, lipid distribution and drug metabolism, etc. This article reviews the application of this technique in protein identification, clinical application, drug discovery, lipid research and brain injury.
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Affiliation(s)
- G H Ren
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China.,Department of Forensic Science, School of Basic Medicine Science, Southern Medical University, Guangzhou 510515, China
| | - R H Weng
- Chengxiang Branch of Putian Public Security Bureau, Putian 351100, China
| | - Y Shi
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - P Huang
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - Z D Li
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - Y Shao
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - K F Deng
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - N G Liu
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - Y J Chen
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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Li FY, Tan HZ, Ren GH, Jiang Q, Wang HL. [Research of prevalence of schistosomiasis in Hunan province, 1984-2015]. Zhonghua Liu Xing Bing Xue Za Zhi 2017; 38:350-353. [PMID: 28329938 DOI: 10.3760/cma.j.issn.0254-6450.2017.03.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the prevalence of schistosomiasis in Hunan province, and provide scientific evidence for the control and elimination of schistosomiasis. Methods: The changes of infection rates of Schistosoma (S.) japonicum among residents and cattle in Hunan from 1984 to 2015 were analyzed by using dynamic trend diagram; and the time regression model was used to fit the infection rates of S. japonicum, and predict the recent infection rate. Results: The overall infection rates of S. japonicum in Hunan from 1984 to 2015 showed downward trend (95.29% in residents and 95.16% in cattle). By using the linear regression model, the actual values of infection rates in residents and cattle were all in the 95% confidence intervals of the value predicted; and the prediction showed that the infection rates in the residents and cattle would continue to decrease from 2016 to 2020. Conclusion: The prevalence of schistosomiasis was in decline in Hunan. The regression model has a good effect in the short-term prediction of schistosomiasis prevalence.
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Affiliation(s)
- F Y Li
- Xiangya School of Public Health, Central South University, Changsha 410008, China; Department of Prevention and Control, Hunan Institute for Schistosomiasis Control, Yueyang 414000, China
| | - H Z Tan
- Xiangya School of Public Health, Central South University, Changsha 410008, China
| | - G H Ren
- Department of Prevention and Control, Hunan Institute for Schistosomiasis Control, Yueyang 414000, China
| | - Q Jiang
- Department of Prevention and Control, Hunan Institute for Schistosomiasis Control, Yueyang 414000, China
| | - H L Wang
- Department of Prevention and Control, Hunan Institute for Schistosomiasis Control, Yueyang 414000, China
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16
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Ren GH, Weng RH, Shi Y, Huang P, Deng KF, Liu NG, Chen YJ. [Analysis of Differentially Expressed Proteins Distribution in the Rat Brains with DAI by MALDI-TOF-IMS]. Fa Yi Xue Za Zhi 2016; 32:241-244. [PMID: 29188662 DOI: 10.3969/j.issn.1004-5619.2016.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To establish the imaging mass spectrometry for analysis of differentially expressed proteins distribution in the rat brains with diffuse axonal injury (DAI) based on matrix assisted laser desorption/ionization-time of flight imaging mass spectrometry (MALDI-TOF-IMS). METHODS MALDI-TOF-IMS scanning were conducted on the brains of DAI group and control group in the m/z range of 1 000 to 20 000 using AutoflexⅢ MALDI-TOF spectrometer. ClinProTool 2.2 software was used for statistical analysis on the data of two groups, and then the differentially expressed proteins were picked out to conduct imaging. The distribution of the proteins with different m/z in the rat brains was observed. RESULTS Five proteins with different m/z, including 4 963, 5 634, 6 253, 6 714 and 7 532, differentially expressed in the rat brains with DAI. CONCLUSIONS MALDI-TOF-IMS can be used for studying the differentially expressed proteins in rat brains with DAI and the analysis method is established for exploring the distribution of differentially expressed proteins in the rat brains with DAI using imaging mass spectrometry.
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Affiliation(s)
- G H Ren
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China.,Department of Forensic Science, School of Basic Medicine Science, Southern Medical University, Guangzhou 510515, China
| | - R H Weng
- Chengxiang Branch of Putian Public Security Bureau, Putian 351100, China
| | - Y Shi
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China
| | - P Huang
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China
| | - K F Deng
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China
| | - N G Liu
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China
| | - Y J Chen
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Institute of Forensic Science, Ministry of Justice, P.R.China, Shanghai 200063, China
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Ren GH, Cao LC, Kong W, Wang ZJ, Liu YH. Efficient Secretion of the β-Galactosidase Bgal1-3 via both Tat-Dependent and Tat-Independent Pathways in Bacillus subtilis. J Agric Food Chem 2016; 64:5708-5716. [PMID: 27380825 DOI: 10.1021/acs.jafc.6b01735] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this study, the twin-arginine (Tat) signal peptide PhoD was used to direct the secretion of the β-galactosidase Bgal1-3 into the growth medium of an engineered strain of Bacillus subtilis 168. After 24 h of cultivation, the extracellular activity reached 1.15 U/mL, representing 78% of the total activity. Bgal1-3 was exported via both Tat-dependent and Tat-independent pathways. To improve the secretion amounts, two more copies of the target gene were inserted into the designated loci on the chromosome, further improving the extracellular enzymatic activity to 2.15 U/mL. The engineered strain with three copies of bgal1-3 was genetically stable after 150 generations. To the best of our knowledge, this is the first report on the functional secretion of a heterologous protein via both Tat-dependent and Tat-independent pathways mediated by a Tat signal peptide in B. subtilis. Furthermore, this study provides us with a markerless engineered strain for the production of β-galactosidase.
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Affiliation(s)
- Guang-Hui Ren
- School of Life Sciences and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Sun Yat-sen University , Guangzhou 510275, P. R. China
| | - Li-Chuang Cao
- School of Life Sciences and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Sun Yat-sen University , Guangzhou 510275, P. R. China
| | - Wei Kong
- School of Life Sciences and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Sun Yat-sen University , Guangzhou 510275, P. R. China
| | - Zhi-Jun Wang
- School of Life Sciences and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Sun Yat-sen University , Guangzhou 510275, P. R. China
| | - Yu-Huan Liu
- School of Life Sciences and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Sun Yat-sen University , Guangzhou 510275, P. R. China
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Abstract
Breast cancer is the most common gynecologic tumor globally that threatens women's health. Lipoic acid is a type of antioxidant that can alleviate oxidative stress damage. Studies showed that lipoic acid could inhibit the proliferation of tumor cells in cervical cancer and colon cancer. This paper intends to explore the combined effect of lipoic acid and paclitaxel on breast cancer cells. Breast cancer MCF-7 cells were divided into four groups: control group, lipoic acid group, paclitaxel group, and a combination group. MTT was applied to detect the drugs' influence on breast cancer cell proliferation. A colony formation test was used to determine the effects on breast cancer cell clone formation rate. Western blot was performed to detect the effects on nuclear factor (NF)-κB. Lipoic acid alone can inhibit tumor cell proliferation and clone formation with time dependence. Compared with the control, paclitaxel alone can significantly suppress tumor cell proliferation and clone formation (P < 0.05). Lipoic acid and paclitaxel in combination obviously strengthened their individual inhibitory effects on tumor cells (P < 0.05). Compared with the paclitaxel alone group, the combination group exhibited more remarkable inhibitory effect (P < 0.05). Lipoic acid alone or combined with paclitaxel can inhibit NF-κB expression and inhibit breast cancer cell proliferation.
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Affiliation(s)
- B J Li
- Department of the Galactophore & Thyroid, People's Hospital of XinJiang Uygur Autonomous Region, Urumqi, China
| | - X Y Hao
- Department of the Galactophore & Thyroid, People's Hospital of XinJiang Uygur Autonomous Region, Urumqi, China
| | - G H Ren
- Mammary Gland Thyroid Surgery, The Third Affiliated Hospital to XinJiang Medical University, Urumqi, Xinjiang, China
| | - Y Gong
- Department of the Galactophore & Thyroid, People's Hospital of XinJiang Uygur Autonomous Region, Urumqi, China
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Ma BL, Shan MH, Sun G, Ren GH, Dong C, Yao X, Zhou M. Immunohistochemical analysis of phosphorylated mammalian target of rapamycin and its downstream signaling components in invasive breast cancer. Mol Med Rep 2015; 12:5246-54. [PMID: 26151180 DOI: 10.3892/mmr.2015.4037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 04/30/2015] [Indexed: 11/06/2022] Open
Abstract
The present study aimed to investigate whether the mammalian target of rapamycin (mTOR) signaling pathway is activated in invasive breast cancer. The expression levels of phosphorylated (p)‑mTOR at ser2448 were detected, as well as the expression levels of its downstream signaling molecules: Eukaryotic translation initiation factor 4E‑binding protein 1 (4E‑BP1), and p70 ribosomal protein S6 kinase 1 (S6K1). The correlation between p‑mTOR, p‑4E‑BP1, p‑S6K1, and the clinicopathological parameters of breast cancer were also determined. p‑mTOR, p‑4E‑BP1 and p‑S6K1 expression was detected in 285 breast cancer tumor samples and adjacent normal tissue samples using immunohistochemistry. The expression levels and the location of the proteins were analyzed and compared in the various tissue samples. Multivariate Cox regression was used to analyze the clinicopathological factors and prognosis associated with the tissue samples. The disease‑free survival rate was examined using survival analyses and Log‑rank tests. The results of the present study indicated that the expression levels of p‑mTOR, p‑4E‑BP1, and p‑S6K1 were significantly higher in breast cancer tissue, as compared with normal tissue (P<0.01). p‑mTOR was predominantly expressed in the cytoplasm, whereas p‑4E‑BP1 and p‑S6K1 were predominantly co‑expressed in the cytoplasm and the nucleus. In addition, p‑4E‑BP1 and p‑S6K1 were more likely to be expressed in the cytoplasm in breast cancer tissue samples, as compared with normal tissue samples (P<0.001). Positive p‑mTOR was not significantly correlated with positive p‑4E‑BP1 and p‑S6K1 expression. The survival analyses of the patients with positive p‑mTOR, p‑4E‑BP1, and p‑S6K1 tissue samples were not significantly different from those of the patients with negative tissue samples (P>0.05). Thus suggesting that these markers are not adequate risk factors for disease free survival (P>0.05). In conclusion, the results of the present study suggested that p‑mTOR, p‑4E‑BP1, and p‑S6K1 are activated in invasive breast cancer. In addition, the exclusive expression of p‑4E‑BP1 and p‑S6K1 in the cytoplasm may be characteristic of progressive breast cancer. However, p‑mTOR, p‑4E‑BP1, and p‑S6K1 are not prognostic factors for breast cancer.
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Affiliation(s)
- Bin-Lin Ma
- Department of Breast and Neck, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Mei-Hui Shan
- Department of Breast and Neck, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Gang Sun
- Department of Breast and Neck, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Guang-Hui Ren
- Department of Breast and Neck, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Chao Dong
- Department of Breast and Neck, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Xuemei Yao
- Department of Epidemiology and Health Statistics, Public Health College of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
| | - Mei Zhou
- Department of Pathology, The Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, P.R. China
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Wu JY, Zhou YB, Chen Y, Liang S, Li LH, Zheng SB, Zhu SP, Ren GH, Song XX, Jiang QW. Three Gorges Dam: Impact of Water Level Changes on the Density of Schistosome-Transmitting Snail Oncomelania hupensis in Dongting Lake Area, China. PLoS Negl Trop Dis 2015; 9:e0003882. [PMID: 26114956 PMCID: PMC4482622 DOI: 10.1371/journal.pntd.0003882] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 06/05/2015] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Schistosomiasis remains an important public health issue in China and worldwide. Oncomelania hupensis is the unique intermediate host of schistosoma japonicum, and its change influences the distribution of S. japonica. The Three Gorges Dam (TGD) has substantially changed the ecology and environment in the Dongting Lake region. This study investigated the impact of water level and elevation on the survival and habitat of the snails. METHODS Data were collected for 16 bottomlands around 4 hydrological stations, which included water, density of living snails (form the Anxiang Station for Schistosomiasis Control) and elevation (from Google Earth). Based on the elevation, sixteen bottomlands were divided into 3 groups. ARIMA models were built to predict the density of living snails in different elevation areas. RESULTS Before closure of TGD, 7 out of 9 years had a water level beyond the warning level at least once at Anxiang hydrological station, compared with only 3 out of 10 years after closure of TGD. There were two severe droughts that happened in 2006 and 2011, with much fewer number of flooding per year compared with other study years. Overall, there was a correlation between water level changing and density of living snails variation in all the elevations areas. The density of living snails in all elevations areas was decreasing after the TGD was built. The relationship between number of flooding per year and the density of living snails was more pronounced in the medium and high elevation areas; the density of living snails kept decreasing from 2003 to 2014. In low elevation area however, the density of living snails decreased after 2003 first and turned to increase after 2011. Our ARIMA prediction models indicated that the snails would not disappear in the Dongting Lake region in the next 7 years. In the low elevation area, the density of living snails would increase slightly, and then stabilize after the year 2017. In the medium elevation region, the change of the density of living snails would be more obvious and would increase till the year 2020. In the high elevation area, the density of living snails would remain stable after the year 2015. CONCLUSION The TGD influenced water levels and reduced the risk of flooding and the density of living snails in the study region. Based on our prediction models, the density of living snails in all elevations tends to be stabilized. Control of S. japonica would continue to be an important task in the study area in the coming decade.
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Affiliation(s)
- Jin-Yi Wu
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
| | - Yi-Biao Zhou
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
| | - Yue Chen
- School of Epidemiology, Public Health and Preventive Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Song Liang
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, United States of America
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, United States of America
| | - Lin-Han Li
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
| | - Sheng-Bang Zheng
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
| | - Shao-ping Zhu
- Anxiang Office of Leading Group for Schistosomiasis Control, Changde, Hunan Province, China
| | - Guang-Hui Ren
- Hunan Institute for Schistosomiasis Control, Yueyang, Hunan Province, China
| | - Xiu-Xia Song
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
| | - Qing-Wu Jiang
- Department of Epidemiology, School of Public Health, Fudan University, Shanghai, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China
- Center for Tropical Disease Research, Fudan University, Shanghai, China
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Cao CL, Bao ZP, Yang PC, Chen Z, Yan J, Ren GH, Li YY, Cai SX, Liu JB, Xu J, Li SZ, Guo JG, Zhou XN. [Schistosomiasis control effect of measures of replacing cattle with machine for cultivation and forbidding depasturage of livestock on marshlands in marshland and lake regions]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2014; 26:602-607. [PMID: 25856882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To evaluate the schistosomiasis control effect of the measures of replacing cattle with machine for cultivation and forbidding depasturage of livestock on marshlands in marshland and lake regions. METHODS The retrospective review and field survey were implemented in the Jiangling and Gongan counties of Hubei Province where were implemented with the measure of replacing cattle with machine for cultivation, and Yuanjiang and Huarong counties of Hunan Province where were implemented with the measure of forbidding the depasturage of livestock on marshlands. The schistosome infection status of human, cattle, and Oncomelania hupensis snails, and schistosome-infested field excreta were surveyed from 2007 to 2013. The effects of the interventions were compared before and after their implementations. RESULTS The 6 villages of Hubei Province were implemented with the measure of replacing cattle with machine for cultivation, and 7 villages of Hunan Province were implemented with the measure of forbidding the depasturage of livestock on marshlands. From 2007 to 2013, the schistosome infection rates of residents declined from 3.95% to 0.70% (χ2 = 128.376, P < 0.05), with the descend range of 82.53%. The descend ranges of the measures of replacing cattle with machine for cultivation and forbidding the depasturage of livestock on marshlands were 83.081% and 81.62% respectively, and there was no significant difference between the two measures (χ2 = 0.132, P > 0.05). The infection rate of cattle decreased from 3.66% in 2007 to 0.65% in 2013, and the descend range was 82.24% (χ2 = 13.692, P < 0.05). The field excreta was surveyed in the snail breeding place in 2013. The investigated area was 157.435 hm2, and 625 samples of field feces of cattle were collected with the density of field excreta of 3.97/hm2, and the positive rate was 1.12% (7/625). The schistosome infection rate of snails and the density of infected snails decreased successively from 2007, and no infected snails were detected from 2011 to 2013. CONCLUSIONS The schistosomiasis endemic situation are decreased significantly after the interventions of replacing cattle with machine for cultivation and forbidding the depasturage of livestock on marshlands. Therefore, schistosomiasis control effect of these measures is notable in the marshland and lake regions.
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Guo FY, Yi P, Liu ZC, Li GQ, Zhu JH, Li JX, Ren GH. [Selection of epidemic indicators for schistosomiasis GIS platform in Dongting Lake area]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2014; 26:565-567. [PMID: 25782263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Dongting Lake area is one of the major marshland schistosomiasis endemic areas in China. In recent years, spatial epidemiology is widely used in the research of schistosomiasis, which is a new opportunity to break through the current wandering situation of schistosomiasis control. In this article, both the generalized and Dongting-Lake-specific epidemic indicators of schistosomiasis are reviewed to provide the basis to construct the schistosomiasis Geographic Information System (GIS) database of Hunan Province.
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Wu JY, Zhou YB, Li LH, Zheng SB, Liang S, Coatsworth A, Ren GH, Song XX, He Z, Cai B, You JB, Jiang QW. Identification of optimum scopes of environmental factors for snails using spatial analysis techniques in Dongting Lake Region, China. Parasit Vectors 2014; 7:216. [PMID: 24886456 PMCID: PMC4025561 DOI: 10.1186/1756-3305-7-216] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Accepted: 05/01/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Owing to the harmfulness and seriousness of Schistosomiasis japonica in China, the control and prevention of S. japonica transmission are imperative. As the unique intermediate host of this disease, Oncomelania hupensis plays an important role in the transmission. It has been reported that the snail population in Qiangliang Lake district, Dongting Lake Region has been naturally declining and is slowly becoming extinct. Considering the changes of environmental factors that may cause this phenomenon, we try to explore the relationship between circumstance elements and snails, and then search for the possible optimum scopes of environmental factors for snails. METHODS Moisture content of soil, pH, temperature of soil and elevation were collected by corresponding apparatus in the study sites. The LISA statistic and GWR model were used to analyze the association between factors and mean snail density, and the values in high-high clustered areas and low-low clustered areas were extracted to find out the possible optimum ranges of these elements for snails. RESULTS A total of 8,589 snail specimens were collected from 397 sampling sites in the study field. Besides the mean snail density, three environmental factors including water content, pH and temperature had high spatial autocorrelation. The spatial clustering suggested that the possible optimum scopes of moisture content, pH, temperature of the soil and elevation were 58.70 to 68.93%, 6.80 to 7.80, 22.73 to 24.23°C and 23.50 to 25.97 m, respectively. Moreover, the GWR model showed that the possible optimum ranges of these four factors were 36.58 to 61.08%, 6.541 to 6.89, 24.30 to 25.70°C and 23.50 to 29.44 m, respectively. CONCLUSION The results indicated the association between snails and environmental factors was not linear but U-shaped. Considering the results of two analysis methods, the possible optimum scopes of moisture content, pH, temperature of the soil and elevation were 58.70% to 68.93%, 6.6 to 7.0, 22.73°C to 24.23°C, and 23.5 m to 26.0 m, respectively. The findings in this research will help in making an effective strategy to control snails and provide a method to analyze other factors.
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Affiliation(s)
- Jin-Yi Wu
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
| | - Yi-Biao Zhou
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
| | - Lin-Han Li
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
| | - Sheng-Bang Zheng
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
| | - Song Liang
- Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - Ashley Coatsworth
- Department of Epidemiology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - Guang-Hui Ren
- Hunan station for Schistosomiasis Control, Changsha, Hunan Province 410000, China
| | - Xiu-Xia Song
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
| | - Zhong He
- Junshan office of Leading Group for Schistosomiasis Control, Yueyang, Hunan province 414000, China
| | - Bin Cai
- Junshan station for Schistosomiasis Control, Yueyang, Hunan Province 414000, China
| | - Jia-Bian You
- Qianlianghu station for Schistosomiasis Control, Yueyang, Hunan Province 414000, China
| | - Qing-Wu Jiang
- Department of Epidemiology, School of Public Health, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
- Center for Tropical Disease Research, Fudan University, 138 Yi Xue Yuan Road, Shanghai 200032, China
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Li XS, Li FY, Zhu SP, Zhou YB, Yi P, Luo ZH, Ren GH, Li YY, Tang L, Jiang QW. [Effect of comprehensive schistosomiasis control measures with focus on buffalo and sheep removal in Anxiang County]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2013; 25:291-295. [PMID: 24024452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To understand the effect of comprehensive schistosomiasis control measures with focus on buffalo and sheep removal in Anxiang City, Dongting Lake area. METHODS The data of buffalo and sheep removal, routine schistosomiasis control measures such as disease detection and treatment, Oncomelania snail survey and control, as well as health education were collected and analyzed in Anxiang County, Hunan Province from 2004 to 2012. RESULTS The schistosome infection rates of people, domestic animals and snails decreased from 11.23%, 17.06% and 1.07% in 2004 when the comprehensive measures had not been implemented to 0.58%, 0 and 0 in 2012, respectively. The average density of infected snails decreased from 0.003 4 snails/0.1 m2 to 0. CONCLUSION The comprehensive control measures with focus on buffalo and sheep removal are significantly effective, and can control the transmission of schistosomiasis in marshland and lake regions.
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Affiliation(s)
- Xiao-Song Li
- Hunan Children's Hospital, Changsha 410007, China
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Hong XC, Xu XJ, Chen X, Li YS, Yu CH, Yuan Y, Chen YY, Li RD, Qiu J, Liu ZC, Yi P, Ren GH, He HB. Assessing the effect of an integrated control strategy for schistosomiasis japonica emphasizing bovines in a marshland area of Hubei Province, China: a cluster randomized trial. PLoS Negl Trop Dis 2013; 7:e2122. [PMID: 23516656 PMCID: PMC3597472 DOI: 10.1371/journal.pntd.0002122] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2012] [Accepted: 02/04/2013] [Indexed: 11/30/2022] Open
Abstract
Introduction More than 80% of schistosomiasis patients in China live in the lake and marshland regions. The purpose of our study is to assess the effect of a comprehensive strategy to control transmission of Schistosoma japonicum in marshland regions. Methodology/Principal Findings In a cluster randomized controlled trial, we implemented an integrated control strategy in twelve villages from 2009 through 2011 in Gong'an County, Hubei Province. The routine interventions included praziquantel chemotherapy and controlling snails, and were implemented in all villages. New interventions, mainly consisting of building fences to limit the grazing area for bovines, building safe pastures for grazing, improving the residents' health conditions and facilities, were only implemented in six intervention villages. Results showed that the rate of S. japonicum infection in humans, bovines, snails, cow dung and mice in the intervention group decreased from 3.41% in 2008 to 0.81% in 2011, 3.3% to none, 11 of 6,219 to none, 3.9% to none and 31.7% to 1.7%, respectively (P<0.001 for all comparisons). In contrast, there were no statistically significant reductions of S. japonicum infection in humans, bovines and snails from 2008 to 2011 in the control group (P>0.05 for all comparisons). Moreover, a generalized linear model showed that there was a higher infection risk in humans in the control group than in the intervention group (OR = 1.250, P = 0.001) and an overall significant downward trend in infection risk during the study period. Conclusions/Significance The integrated control strategy, designed to reduce the role of bovines and humans as sources of S. japonicum infection, was highly effective in controlling the transmission of S. japonicum in marshland regions in China. Trial Registration Chinese Clinical Trial Registry ChiCTR-PRC-12002405. More than 80% of schistosomiasis patients in China live in the lake and marshland regions. Hence, how to control transmission of Schistosoma japonicum in these regions is especially important. From 2009 through 2011, we implemented an integrated control strategy, designed to reduce the role of bovines and humans as sources of S. japonicum infection, in twelve villages Gong'an County of Hubei Province, which is located in typical marshland. After three years, the rate of S. japonicum infection in humans, bovines and snails significantly declined in the six intervention villages. In contrast, there was no significant decline in these indexes in the six control villages. Moreover, there was a higher infection risk in humans in the control group than the intervention group. Our study showed that the integrated control strategy was highly effective in controlling the transmission of S. japonicum in marshland regions of China.
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Affiliation(s)
- Xi-Cheng Hong
- School of Public Health & Global Health Institute, Wuhan University, Wuhan, Hubei, People's Republic of China
- Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, People's Republic of China
| | - Xing-Jian Xu
- Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, People's Republic of China
| | - Xi Chen
- School of Public Health & Global Health Institute, Wuhan University, Wuhan, Hubei, People's Republic of China
- Wuhan Central Hospital, Wuhan, Hubei, People's Republic of China
| | - Yue-Sheng Li
- Hunan Institute of Parasitic Diseases, Yueyang, Hunan, People's Republic of China
| | - Chuan-Hua Yu
- School of Public Health & Global Health Institute, Wuhan University, Wuhan, Hubei, People's Republic of China
- * E-mail:
| | - Yi Yuan
- Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, People's Republic of China
| | - Yan-Yan Chen
- Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, People's Republic of China
| | - Ren-Dong Li
- Institute of Geodesy and Geophysics, Chinese Academy of Science, Wuhan, Hubei, People's Republic of China
| | - Juan Qiu
- Institute of Geodesy and Geophysics, Chinese Academy of Science, Wuhan, Hubei, People's Republic of China
| | - Zong-Chuan Liu
- Hunan Institute of Parasitic Diseases, Yueyang, Hunan, People's Republic of China
| | - Ping Yi
- Hunan Institute of Parasitic Diseases, Yueyang, Hunan, People's Republic of China
| | - Guang-Hui Ren
- Hunan Institute of Parasitic Diseases, Yueyang, Hunan, People's Republic of China
| | - Hong-Bin He
- Hunan Institute of Parasitic Diseases, Yueyang, Hunan, People's Republic of China
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Deng WC, Zhao ZY, Liu JX, Li SM, Guo FY, Wang ZH, Ren GH, Li YS. [Multi-disciplinary treatment for advanced schistosomiasis]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2013; 25:67-69. [PMID: 23687818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To assess the efficiency of multi-disciplinary treatment (MDT) for advanced schistosomiasis. METHODS A total of 173 advanced schistosomiasis patients who received MDT were selected from January 2010 to December 2011. These patients included 75 splenomegaly cases and 98 ascites cases. Other 193 advanced schistosomiasis patients who received single-discipline treatment (SDT) from January 2007 to December 2009 were also selected, and of them 84 cases were splenomegaly and 109 were ascites. The clinical efficiencies of the two different treatments were analyzed and assessed. RESULTS Compared to the SDT group, the splenomegaly cases treated by MDT showed a shorter pre-operative preparation time and less days in hospitalization (both P < 0.01), less operation duration, decreased post-operative complications, lower hospitalization costs (all P < 0.05), and less patient complaints (P > 0.05). The ascites cases treated by MDT, compared to the SDT group, had less pre-treatment time, shorter ascites-disappearing time (both P <0.01), and less hospitalization duration, decreased post-treatment complications, lower hospitalization costs and less patient complaints (all P < 0.05). Conclusion MDT has a better efficiency in the treatment of advanced schistosomiasis, and it reduces the operation complications and improves the life quality of the patients.
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Affiliation(s)
- Wei-Cheng Deng
- Hunan Institute of Parasitic Diseases, Natioanl Key Subject on Schisotosmiasis, Yueyang 414000, China
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Luo ZH, Li SM, Zhou XN, Yi P, Ren GH, Franziska B, Zhao ZY, Hou XY, Ren MY, Li YY, Dong RL, Zeng JY, She SP. [Role of socio-economy and management in sustainable transmission control of schistosomiasis in Taoyuan County, Hunan Province, China]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2013; 25:20-27. [PMID: 23687805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To clarify the role of socio-economy and management in the sustainable schistosomiasis-control in Taoyuan County, an endemic area in hilly region, Hunan Province, China. METHODS From 1996 to 2011, the data of socio-economy, the management of schistosomiasis control organizations, environment, and the changes in schistosomiasis prevalence were collected in Taoyuan County where schistosomiasis transmission had been controlled since 2008. A sampling survey of schistosomiasis prevalence of human and bovine was performed in 2011 to verify the current status of schistosomiasis transmission. All the data were analyzed statistically to evaluate the role of socio-economy and management in the sustainable schistosomiasis control. RESULTS During the period from 1998 to 2012, the socio-economy including the residents' productive mode and daily life in Taoyuan County improved dramatically, but the recurrence risk of schistosomiasis endemic still existed due to the retuning of out-going workers and the migrating population. Moreover, the introduction of exotic species of plants and animals may increase the risk. The low running cost of schistosomiasis control organization as well as the efficient and adequate resource allocation in the county was in line with the national requirement to strengthen the rural grass-roots public health system. CONCLUSION The harmonious development of socio-economy and the scientific and efficient health system in Taoyuan County are the key factors for the sustainable transmission control of schistosomiasis.
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Affiliation(s)
- Zhi-Hong Luo
- Hunan Institute of Schistosomiasis Control, Hunan Key Laboratory of Immunology and Transmission Control on Schistosomiasis, WHO Collaborating Centre for Research and Control on Schistosomiasis in Lake Region, Yueyang 414000, China
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Sun G, Shan MH, Ma BL, Geng ZL, Alibiyati A, Zhong H, Wang J, Ren GH, Li HT, Dong C. Identifying crosstalk of mTOR signaling pathway of lobular breast carcinomas. Eur Rev Med Pharmacol Sci 2012; 16:1355-1361. [PMID: 23104651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND Invasive lobular carcinoma (ILC) and its variants represent 5% to 15% of all invasive breast cancers diagnoses annually. AS a serine/threonine kinase, mammalian target of rapamycin (mTOR) is often a downstream effector of PI3K/Akt (phosphatidyl inositol 3-kinase/protein kinase B) signaling pathway in breasts and many types of cancer cells. Therefore, agents that target mTOR in direct or indirect manner are being developed in anti-cancer therapy. AIM In this study, our objective here was to explore more crosstalk pathway with mTOR signaling pathway. MATERIALS AND METHODS We collected pathways data from published database, then based on bioinformatics methods we analyzed the significant pathways in the database, additionally, the crosstalk pathways were also analyzed which were defined as those pathways which have the overlapping genes with each other. RESULTS As we expected, the results showed that Notch signaling pathway (hsa04330), Regulation of autophagy (hsa04140), and Adipocytokine signaling pathway (hsa04920) were linked to mTOR signaling pathway. All of them have been demonstrated participate in breast cancer progression. CONCLUSIONS We obtained some key pathways that crosstalked with mTOR signaling pathway, we hope our study could provide novel therapeutic approaches for breast cancer.
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Affiliation(s)
- G Sun
- Department of Breast and Head-Neck Surgery, Cancer Hospital Affiliated to Xinjiang Medical University, Xinjiang Institute of Cancer Research, Urumqi, Xinjiang, China.
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Deng WC, Wang HB, Jing QS, Liu JX, Zhu JJ, Ren GH, Li YS. [Discussion on clinical pathways of schistosomiasis]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012; 24:601-604. [PMID: 23373278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
According to the long-term clinical experience on schistosomiasis control of Hunan Institute of Schistosomiasis and the latest clinical guidelines, this paper makes a discussion on the clinical pathways of 3 types of schistosomiasis, and establishes the pathway management including diagnosis, therapy, hospital stays, and treatment after discharge, nursing, recovery, follow-up and so on, aiming to formulate a standardized flow or a pathway for schistosomiasis treating.
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Affiliation(s)
- Wei-Cheng Deng
- Hunan Institute of Parasite Diseases, Hunan Provincial Key Laboratory of Immunology and Transmission Control on Schistosomiasis, Yueyang 414000, China
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Luo ZH, Wei WY, Li ZJ, Ding L, Yuan LP, Xia M, Tang L, Ren GH, Wang JS, Wei GY. [Impact of environmental changes on Oncomelania snail distribution in Dongting Lake beach]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012; 24:387-392. [PMID: 23236781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To study the impact of environmental changes on the distribution and the growth and decline of Oncomelania snails in Dongting Lake beaches after the implementation of Three Gorges Project. METHODS T-embankment of Junshan District where there was a greater human factor related to the snail spread and a lake beach named Dongkou of Junshan District where there was a less human factor related to the snail spread were selected as study areas. The various ground elevations were measured and the high points were marked with GPS. The height of vegetation was surveyed regularly, soil moisture content and micro-environment temperature and humidity at different elevations in the lake beaches were detected, and the snail distribution was investigated. Both the longitudinal and retrospective studies were conducted. RESULTS In 1993, the soil was taken from the lake beach at the elevation of 25 m to build an isolated canal, and this made snail density decline year by year, and no snails have been found since 1998. The elevation of the vegetation in the T-embankment was significantly lower than that in Dongkou, and there was no high rod plant growth. The snails were found in the elevation from 23.5 to 26.5 m where the vegetation was mainly Cyperus spp. The growth of the vegetation was 16.0 to 54.0 cm 30 days after flood withdrew, and the vegetation reached the highest density 60 days after flood withdrew. The snail density was highest at the elevation from 24.5 to 25.5 m, and the elevation of snails and their eggs was lower than that in 1980s. In the dry season, the water content of the soil in Dongkou was from 46.80% to 52.20%, which was more than that in T-embankment, while at the elevation over 26.0 m, the water content was from 21.36% to 29.77%, which was equal to that in T-embankment. CONCLUSION Three Gorges Project plays an important role in the control of water level of Dongting Lake, but there is no impact on the snail reproduction and density.
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Affiliation(s)
- Zhi-Hong Luo
- Hunan Institute of Schistosomiasis Control, Yueyang 414000, China
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Yi P, Ren GH, Peng ZZ, Li XS, Luo ZH, Dong RL, Wen SW, Zhao ZYA. [Changing trends of main endemic indicators of schistosomiasis in Dongting Lake area]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012; 24:245-249. [PMID: 23012942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To analyze the main endemic indicators and their changing trend of schistosomiasis since the founding of new China for 60 years in Dongting Lake regions. METHODS A variety of archival data on schistosomiasis epidemiology and control were collected, and several mathematical models were applied to estimate the main endemic indicators of schistosomiasis. RESULTS Compared to those in 1950s, the infection rates of schistosomiasis among human and cattle in 2010 were declined by 89.3% and 94.7%, respectively; the number of schistosomiasis patients was reduced from 600 thousand to 88 thousand; the number of acute schistosomiasis patients dropped from 2 732 to 18; and that of advanced schistosomiasis patients decreased from 55 thousand to 5 632. CONCLUSIONS The high priority by government authority, suitable control models according to local conditions and huge resources are the cornerstone of success on schistosomiasis control in Dongting Lake regions.
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Affiliation(s)
- Ping Yi
- Hunan Institute of Parasitic Diseases, WHO Collaborating Centre for Research and Control on Schistosomiasis in Lake Regions, Yueyang 414000, China
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Yi P, Peng ZZ, Li XS, Luo ZH, Cai KP, Li YY, Ren GH. [Endemic features and control strategies of schistosomiasis in Dongting Lake area, Hunan Province, P. R. China]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012; 24:123-126. [PMID: 22799151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This paper describes the epidemic status and current endemic features of schistosomiasis in Dongting Lake area and analyzes the achievements and weakness of various control measures. It also summarizes the characteristics of epidemic situation in the Dongting Lake region, which indicates the long-term and the arduous work in the future for the control of schistosomiasis. In strategy, comprehensive measures should be implemented and routine prevention control work should be remained combing with the control of transmission sources.
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Affiliation(s)
- Ping Yi
- Hunan Institute of Parasitic Diseases, Yueyang 414000, China
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Wang YJ, Yi P, Luo ZH, Peng ZZ, Li YY, He HB, Ren GH. [Survey on Oncomelania snail distribution in sluices in Dongting Lake region]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012; 24:183-185. [PMID: 22799164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To investigate the distribution, classification and reformation of all sluices located in the Dongting Lake region, and found out the relationship between irrigation and Oncomelania snail diffusion. METHODS The information of sluices and their reformation were collected from the local Department of Water Resources and the information of snail conditions collected from the Department of Schistosomiasis Control. The latitude and longitude of each sluice were pinpointed and record with GPSmap76. All the data were analyzed statistically. RESULTS There were a total of 589 sluices in the Dongting Lake region including 190 Kejinluo sluices (snails might enter through the sluice, 69 were reformed) and 49 Jinluo sluices (snails could enter through the sluice, 8 were reformed). The occurrence rate of snails was higher in water sluice than in drain sluice, and there was a significant difference between them (P < 0.05); the occurrence rate of snails in the sluice was higher when there were snails outside the sluice than when there was no snails outside the sluice, and there was a significant difference between them(P < 0.05). CONCLUSIONS The main source of snails in the sluice is from the outside of the sluice and irrigation is the main way that snails spread into sluice. The sluices should be reformed effectively, and the snails inside and outside sluice should also be destroyed effectively in order to consolidate the effect of snail control inside the embankment.
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Affiliation(s)
- Yu-Jie Wang
- Hunan Institute of Schistosomiasis Control, Yueyang 414000, China
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Ye RG, Ren GH, Li HQ. [Observation of therapy of integrated TCM-WM on repeatedly relapsed primary nephrotic syndrome in adults]. Zhongguo Zhong Xi Yi Jie He Za Zhi 1995; 15:15-7. [PMID: 7767058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The therapy of integrated traditional Chinese medicine and Western medicine (TCM-WM) on repeatedly relapsed primary nephrotic syndrome (PNS) was observed. There were 30 and 32 cases in the WM group and TCM-WM group respectively. The results showed that in WM group the recurrence rate was 11.8%, 23.5%, 35.3% at 6,12,47 months after the PNS was remitted, while in TCM-WM group, it was 0, 3.3%, 13.3% respectively. The mean remission period was 12.4 +/- 3.2 months and 35.9 +/- 3.7 months in WM group and TCM-WM group respectively. The recurrence rate in TCM-WM group at various time was significantly lower than that in WM group (P < 0.01). The mean remission period in TCM-WM group was also significantly longer than that in WM group (P < 0.01). This indicated that the therapy of TCM-WM on repeatedly relapsed PNS is superior than that of WM alone.
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Affiliation(s)
- R G Ye
- Kidney Research Institute, Sun Yat-Sen University of Medical Sciences, Guangzhou
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Ye RG, Ren GH, Li HQ. [Therapy of integrated traditional Chinese medicine and Western medicine on 74 lupus nephritis]. Zhongguo Zhong Xi Yi Jie He Za Zhi 1994; 14:343-5, 324. [PMID: 8000222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The therapy of integrated traditional Chinese medicine and Western medicine (TCM-WM) on lupus nephritis (LN) was explored. There were 74 and 66 cases in the TCM-WM group and WM group respectively. The results showed that in TCM-WM group the effective rate and recurrence rate were 95.9% and 4.1% respectively, while in WM group they were 80.3% and 21.2% respectively. The occurrence rate of side effect was 37.9% and 77.3% in TCM-WM group and WM group respectively. It indicated that the therapy of TCM-WM could significantly enhance curative rate and reduce recurrence and side effect rate.
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Affiliation(s)
- R G Ye
- Renal Research Institute, Sun Yat-Sen University of Medical Sciences, Guangzhou
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