15 results on '"GUO Dong-liang"'
Search Results
2. Human Infection with West Nile Virus, Xinjiang, China, 2011
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Zhi Lu, Shi-Hong Fu, Lei Cao, Cheng-Jun Tang, Song Zhang, Zhao-Xia Li, Mamutijiang Tusong, Xin-Hua Yao, Hai-Lin Zhang, Pi-Yu Wang, Maimaitijiang Wumaier, Xue-Yan Yuan, Ming-Hua Li, Chang-Zhong Zhu, Li-Ping Fu, and Guo-Dong Liang
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West Nile virus ,viruses ,encephalitis ,China ,human infection ,Xinjiang ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Published
- 2014
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3. Banna Virus, China, 1987–2007
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Hong Liu, Ming-Hua Li, You-Gang Zhai, Wei-Shan Meng, Xiao-Hong Sun, Yu-Xi Cao, Shi-Hong Fu, Huan-Yu Wang, Li-Hong Xu, Qing Tang, and Guo-Dong Liang
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Banna virus ,distribution ,phylogeny ,China ,viruses ,dispatch ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
Banna viruses (BAVs) have been isolated from pigs, cattle, ticks, mosquitoes, and human encephalitis patients. We isolated and analyzed 20 BAVs newly isolated in China; this finding extends the distribution of BAVs from tropical zone to north temperate climates and demonstrate regional variations in BAV phylogeny and mosquito species possibly involved in BAV transmission.
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- 2010
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4. Molecular Epidemiology of Rabies in Southern People’s Republic of China
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Xiao-Yan Tao, Qing Tang, Hao Li, Zhao-Jun Mo, Hong Zhang, Ding-Ming Wang, Qiang Zhang, Miao Song, Andres Velasco-Villa, Xianfu Wu, Charles E. Rupprecht, and Guo-Dong Liang
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Molecular epidemiology ,nucleoprotein ,rabies ,epidemic ,China ,viruses ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
In recent years, the number of human rabies cases in the People’s Republic of China has increased during severe epidemics in 3 southern provinces (Guizhou, Guangxi, and Hunan). To analyze the causes of the high incidence of human rabies in this region, during 2005–2007, we collected 2,887 brain specimens from apparently healthy domestic dogs used for meat consumption in restaurants, 4 specimens from suspected rabid dogs, and 3 from humans with rabies in the 3 provinces. Partial nucleoprotein gene sequences were obtained from rabies-positive specimens. Phylogenetic relationships and distribution of viruses were determined. We infer that the spread of rabies viruses from high-incidence regions, particularly by long-distance movement or transprovincial translocation of dogs caused by human-related activities, may be 1 cause of the recent massive human rabies epidemics in southern China.
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- 2009
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5. Japanese Encephalitis Viruses from Bats in Yunnan, China
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Jing-Lin Wang, Xiao-Ling Pan, Hai-Lin Zhang, Shi-Hong Fu, Huan-Yu Wang, Qing Tang, Lin-Fa Wang, and Guo-Dong Liang
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Japanese encephalitis ,bats ,epidemiology ,phylogeny ,China ,viruses ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
Genome sequencing and virulence studies of 2 Japanese encephalitis viruses (JEVs) from bats in Yunnan, China, showed a close relationship with JEVs isolated from mosquitoes and humans in the same region over 2 decades. These results indicate that bats may play a role in human Japanese encephalitis outbreaks in this region.
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- 2009
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6. Tahyna Virus and Human Infection, China
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Zhi Lu, Xin-Jun Lu, Shi-Hong Fu, Song Zhang, Zhao-Xia Li, Xin-Hua Yao, Yu-Ping Feng, Amy J. Lambert, Da-Xin Ni, Feng-Tian Wang, Su-Xiang Tong, Roger S. Nasci, Yun Feng, Qiang Dong, You-Gang Zhai, Xiao-Yan Gao, Huan-Yu Wang, Qing Tang, and Guo-Dong Liang
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Tahyna virus ,California group viruses ,Bunyaviridae ,China ,dispatch ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
In 2006, Tahyna virus was isolated from Culex spp. mosquitoes collected in Xinjiang, People’s Republic of China. In 2007, to determine whether this virus was infecting humans, we tested serum from febrile patients. We found immunoglobulin (Ig) M and IgG against the virus, which suggests human infection in this region.
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- 2009
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7. Japanese Encephalitis, Tibet, China
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Yi-Xing Li, Ming-Hua Li, Shi-Hong Fu, Wei-Xin Chen, Qi-Yong Liu, Hai-Lin Zhang, Wa Da, Song-Lin Hu, Sang Dan La Mu, Ju Bai, Zun-Dong Yin, Hong-Yue Jiang, Yu-Hong Guo, Dun Zhu Duo Ji, Hui-Mei Xu, Ge Li, Gu Gu Cuo Mu, Hui-Ming Luo, Jing-Lin Wang, Jun Wang, Xiu-Min Ye, Zhuo Ma Yang Jin, Wei Zhang, Gui-Jun Ning, Huan-Yu Wang, Gui-Chang Li, Jian Yong, Xiao-Feng Liang, and Guo-Dong Liang
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Japanese encephalitis virus ,isolation ,identification ,mosquitoes ,viruses ,vector-borne infections ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Published
- 2011
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8. Isolation of Kyasanur Forest Disease Virus from Febrile Patient, Yunnan, China
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Jinglin Wang, Hailin Zhang, Shihong Fu, Huanyu Wang, Daxin Ni, Roger S. Nasci, Qing Tang, and Guo-Dong Liang
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Kyasanur Forest disease virus (KFDV) ,Alkhurma virus ,Nanjianyin virus ,China ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
We recently determined that Nanjianyin virus, isolated from serum of a patient in Yunnan Province, China, in 1989, is a type of Kyasanur Forest disease virus. Results of a 1987–1990 seroepidemiologic investigation in Yunnan Province had shown that residents of the Hengduan Mountain region had been infected with Nanjianyin virus.
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- 2009
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9. Duration of Antibody Responses after Severe Acute Respiratory Syndrome
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Li-Ping Wu, Nai-Chang Wang, Yi-Hua Chang, Xiang-Yi Tian, Dan-Yu Na, Li-Yuan Zhang, Lei Zheng, Tao Lan, Lin-Fa Wang, and Guo-Dong Liang
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SARS ,convalescent ,antibodies ,longitudinal study ,dispatch ,China ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Abstract
Among 176 patients who had had severe acute respiratory syndrome (SARS), SARS-specific antibodies were maintained for an average of 2 years, and significant reduction of immunoglobulin G–positive percentage and titers occurred in the third year. Thus, SARS patients might be susceptible to reinfection >3 years after initial exposure.
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- 2007
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10. Molecular phylodynamic analysis indicates lineage displacement occurred in Chinese rabies epidemics between 1949 to 2010.
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Xiao-Yan Tao, Qing Tang, Simon Rayner, Zhen-Yang Guo, Hao Li, Shu-Lin Lang, Cui-Ping Yin, Na Han, Wei Fang, James Adams, Miao Song, and Guo-Dong Liang
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Arctic medicine. Tropical medicine ,RC955-962 ,Public aspects of medicine ,RA1-1270 - Abstract
Rabies remains a serious problem in China with three epidemics since 1949 and the country in the midst of the third epidemic. Significantly, the control of each outbreak has been followed by a rapid reemergence of the disease. In 2005, the government implemented a rabies national surveillance program that included the collection and screening of almost 8,000 samples. In this work, we analyzed a Chinese dataset comprising 320 glycoprotein sequences covering 23 provinces and eight species, spanning the second and third epidemics. Specifically, we investigated whether the three epidemics are associated with a single reemerging lineage or a different lineage was responsible for each epidemic. Consistent with previous results, phylogenetic analysis identified six lineages, China I to VI. Analysis of the geographical composition of these lineages revealed they are consistent with human case data and reflect the gradual emergence of China I in the third epidemic. Initially, China I was restricted to south China and China II was dominant. However, as the epidemic began to spread into new areas, China I began to emerge, whereas China II remained confined to south China. By the latter part of the surveillance period, almost all isolates were China I and contributions from the remaining lineages were minimal. The prevalence of China II in the early stages of the third epidemic and its established presence in wildlife suggests that it too replaced a previously dominant lineage during the second epidemic. This lineage replacement may be a consequence of control programs that were dominated by dog culling efforts as the primary control method in the first two epidemics. This had the effect of reducing dominant strains to levels comparable with other localized background stains. Our results indicate the importance of effective control strategies for long term control of the disease.
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- 2013
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11. Mosquitoes of Western Yunnan Province, China: seasonal abundance, diversity, and arbovirus associations.
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Hai-Lin Zhang, Yu-Zhen Zhang, Wei-Hong Yang, Yun Feng, Roger S Nasci, Jie Yang, Yong-Hua Liu, Chao-Liang Dong, Shi Li, Bao-Sen Zhang, Zheng-Liu Yin, Pi-Yu Wang, Shi-Hong Fu, Ming-Hua Li, Fen Liu, Juan Zhang, Jie Sun, Can-Wei Li, Xiao-Yan Gao, Hong Liu, Huan-Yu Wang, Lyle R Petersen, and Guo-Dong Liang
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Medicine ,Science - Abstract
OBJECTIVE:The western borderland between Yunnan Province, China, and Myanmar is characterized by a climate that facilitates year-round production of mosquitoes. Numerous mosquito-transmitted viruses, including Japanese encephalitis virus circulate in this area. This project was to describe seasonal patterns in mosquito species abundance and arbovirus activity in the mosquito populations. METHODS:Mosquitoes were collected in Mangshi and Ruili cities of Dehong Prefecture near the border of China and Burma in Yunnan Province, the Peoples Republic of China in 2010. We monitored mosquito species abundance for a 12-month period using ultraviolet light, carbon dioxide baited CDC light and gravid traps; and tested the captured mosquitoes for the presence of virus to evaluate mosquito-virus associations in rural/agricultural settings in the area. RESULTS:A total of 43 species of mosquitoes from seven genera were collected, including 15 Culex species, 15 Anopheles spp., four Aedes spp., three Armigeres spp., one Mimomyia spp., two Uranotaenia spp. and three Mansonia spp.. Species richness and diversity varied between Mangshi and Ruili. Culex tritaeniorhynchus, Culex quinquefasciatus, Anopheles sinensis and Anopheles peditaeniatus were the most abundant species in both sampling sites. Ultraviolet light traps collected more specimens than CDC light traps baited with dry ice, though both collected the same variety of mosquito species. The CDC gravid trap was the most effective trap for capture of Culex quinquefasciatus, a species underrepresented in light trap collections. A total of 26 virus strains were isolated, which included 13 strains of Japanese encephalitis virus, four strains of Getah virus, one strain of Oya virus, one strain from the orbivirus genus, and seven strains of Culex pipien pallens densovirus. CONCLUSIONS:The present study illustrates the value of monitoring mosquito populations and mosquito-transmitted viruses year-round in areas where the climate supports year-round adult mosquito activity.
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- 2013
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12. Absence of association between N-acetyltransferase 2 acetylator status and colorectal cancer susceptibility: based on evidence from 40 studies.
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Lou qian Zhang, Jian nong Zhou, Jun Wang, Guo dong Liang, Jing ying Li, Yi dan Zhu, and Yun tao Su
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Medicine ,Science - Abstract
BACKGROUND AND OBJECTIVES: N-Acetyltransferase (NAT) 2 is an important enzyme involved in the metabolism of different xenobiotics, including potential carcinogens, whose phenotypes were reported to be related to individual susceptibility to colorectal cancer (CRC). However, the results remain conflicting. To assess the relationship between NAT2 phenotypes and CRC risk, we performed this meta-analysis. METHODS: A comprehensive literature search was conducted to identify all case-control or cohort studies of NAT2 acetylator status on the susceptibility of CRC by searching of PubMed and EMBASE, up to May 20, 2011. Crude odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the association. RESULTS: A total of over 40,000 subjects from 40 published literatures were identified by searching the databases. No significantly elevated CRC risk in individuals with NAT2 slow acetylators compared with fast acetylators was found when all studies pooled (OR = 0.95, 95% CI: 0.87-1.04, I(2) = 52.6%). While three studies contributed to the source of heterogeneity were removed, there was still null result observed (OR = 0.96, 95% CI: 0.90-1.03, P = 0.17 for heterogeneity, I(2) = 17.8%). In addition, we failed to detect any associations in the stratified analyses by race, sex, source of controls, smoking status, genotyping methods or tumor localization. No publication bias was observed in this study. CONCLUSIONS: This meta-analysis suggests that the NAT2 phenotypes may not be associated with colorectal cancer development.
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- 2012
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13. Genotype v Japanese encephalitis virus is emerging.
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Ming-Hua Li, Shi-Hong Fu, Wei-Xin Chen, Huan-Yu Wang, Yu-Hong Guo, Qi-Yong Liu, Yi-Xing Li, Hui-Ming Luo, Wa Da, Dun Zhu Duo Ji, Xiu-Min Ye, and Guo-Dong Liang
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Arctic medicine. Tropical medicine ,RC955-962 ,Public aspects of medicine ,RA1-1270 - Abstract
Japanese encephalitis (JE) is a global public health issue that has spread widely to more than 20 countries in Asia and has extended its geographic range to the south Pacific region including Australia. JE has become the most important cause of viral encephalitis in the world. Japanese encephalitis viruses (JEV) are divided into five genotypes, based on the nucleotide sequence of the envelope (E) gene. The Muar strain, isolated from patient in Malaya in 1952, is the sole example of genotype V JEV. Here, the XZ0934 strain of JEV was isolated from Culex tritaeniorhynchus, collected in China. The complete nucleotide and amino acid sequence of XZ0934 strain have been determined. The nucleotide divergence ranged from 20.3% to 21.4% and amino acid divergence ranged from 8.4% to 10.0% when compared with the 62 known JEV isolates that belong to genotype I-IV. It reveals low similarity between XZ0934 and genotype I-IV JEVs. Phylogenetic analysis using both complete genome and structural gene nucleotide sequences demonstrates that XZ0934 belongs to genotype V. This, in turn, suggests that genotype V JEV is emerging in JEV endemic areas. Thus, increased surveillance and diagnosis of viral encephalitis caused by genotype V JEV is an issue of great concern to nations in which JEV is endemic.
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- 2011
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14. Research on basis of reverse genetics system of a Sindbis-like virus XJ-160
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Wu-yang Zhu and Guo-dong Liang
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Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract As a Sindbis-like virus (SINLV), XJ-160 virus was isolated from a pooled sample of Anopheles mosquitoes collected in Xinjiang, China, in 1990. Recombinant plasmid pBR-XJ160 is an infectious full-length cDNA clone of XJ-160 virus, from which rescued virus BR-XJ160 can be obtained by transcription in vitro and transfection. The BR-XJ160 virus raised in BHK-21 cells was indistinguishable from the XJ-160 virus in its biological properties, including its plaque morphology, growth kinetics and suckling mouse neurovirulence. On basis of pBR-XJ160, the effects of substitutions within nonstructural protein 1 (nsP1) or nsP2 on the infectivity and pathogenesis of Sindbis virus (SINV) have been investigated. We have also confirmed the essential role of E2 glycoprotein, especially the domain of 145-150 (amino acid) aa, in SINV infection through the interaction with cellular heparan sulfate (HS). In addition, we have developed XJ-160 virus-based vector system, including replicon vector, defective helper (DH) plasmids and the packaging cell lines (PCLs). Here we provide an update of main development in the field concerned with XJ-160 virus.
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- 2011
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15. Japanese Encephalitis Outbreak, Yuncheng, China, 2006
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Li-Hua Wang, Shi-Hong Fu, Huan-Yu Wang, Xiao-Feng Liang, Jing-Xia Cheng, Hong-Mei Jing, Gen-Lao Cai, Xing-Wang Li, Wen-Yuan Ze, Xin-Jun Lv, Hua-Qing Wang, Ding-Lin Zhang, Yun Feng, Zun-Dong Yin, Xiao-Hong Sun, Tie-Jun Shui, Ming-Hua Li, Yi-Xing Li, and Guo-Dong Liang
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Viral encephalitis ,Japanese encephalitis virus ,outbreak ,genotypes ,China ,letter ,Medicine ,Infectious and parasitic diseases ,RC109-216 - Published
- 2007
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