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South east asia

Johanna Espin, Sebastian Palmas, Farah Carrasco-Rueda, Kristina Riemer, Pablo E Allen, Nathan Berkebile, Kirsten A Hecht, Kay Kastner-Wilcox, Mauricio M Núñez-Regueiro, Candice Prince, Constanza Rios, Erica Ross, Bhagatveer Sangha, Tia Tyler, Judit Ungvari-Martin, Mariana Villegas, Tara T Cataldo, Emilio M Bruna
The scholars comprising journal editorial boards play a critical role in defining the trajectory of knowledge in their field. Nevertheless, studies of editorial board composition remain rare, especially those focusing on journals publishing research in the increasingly globalized fields of science, technology, engineering, and math (STEM). Using metrics for quantifying the diversity of ecological communities, we quantified international representation on the 1985-2014 editorial boards of 24 environmental biology journals...
December 2017: PLoS Biology
Tarik Asselah, Tarek Hassanein, Imam Waked, Abdellah Mansouri, Geoffrey Dusheiko, Edward Gane
Around 70 to 100 million people are chronically infected with HCV worldwide. HCV anti-viral drug development has been remarkable and this revolution led to several direct-acting antiviral agents achieving an HCV cure after only 8-12 weeks of treatment duration. Drug development has focused first on HCV genotype 1 infection, since it was the most prevalent worldwide, although clinical trials included all genotypes prevalent in the US and Europe. Because the earliest in vitro assays utilised the GT 1b and 2 replicons, the initial classes of direct acting antivirals (protease inhibitors, non-nucleotide polymerase inhibitors) were genotype 1-specific, albiet had an effect on other less prevalent genotypes...
December 8, 2017: Journal of Hepatology
Norliza Mat Ariffin, Farida Islahudin, Endang Kumolosasi, Mohd Makmor-Bakry
BACKGROUND: Recurrence rates of Plasmodium vivax infections differ across various geographic regions. Interestingly, South-East Asia and the Asia-Pacific region are documented to exhibit the most frequent recurrence incidences. Identifying patients at a higher risk for recurrences gives valuable information in strengthening the efforts to control P. vivax infections. The aim of the study was to develop a tool to identify P. vivax- infected patients that are at a higher risk of recurrence in Malaysia...
December 8, 2017: BMC Infectious Diseases
Li Xiong, Angela N Barrett, Rui Hua, Sherry S Y Ho, Li Jun, K C Allen Chan, Zhong Mei, Mahesh Choolani
OBJECTIVE: To evaluate whether targeted sequencing and relative mutation dosage can be used to correctly diagnose inheritance of maternal β-thalassaemia mutations in cell-free DNA. DESIGN: Feasibility study using samples collected in a prenatal clinic. SETTING: South East Asia. POPULATION: Couples where both partners were known to be carriers of one of four common β-thalassaemia mutations or an HbE mutation, and therefore at risk of carrying a fetus affected with β-thalassaemia...
December 6, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
Louise Brightman, Sze Ng, Susannah Ahern, Rodney Cooter, Ingrid Hopper
BACKGROUND: The medical tourism industry, and in particular cosmetic tourism for breast augmentation, is becoming an increasingly popular global phenomenon. The objective of this study is to determine the extent of medical literature and the patient risk profiles associated with cosmetic tourism for breast augmentation both locally and abroad. DATA SOURCES: OVID MEDLINE, OVID Embase, Cochrane Central and Proquest electronic databases. METHODS: The search was conducted through to April 2017...
December 3, 2017: ANZ Journal of Surgery
Baisheng Li, Xingfen Yang, Hailing Tan, Bixia Ke, Dongmei He, Haiyan Wang, Qiuxia Chen, Changwen Ke, Yonghui Zhang
Salmonella enterica serovar Weltevreden is the most common non-typhoid Salmonella found in South and Southeast Asia. It causes zoonoses worldwide through the consumption of contaminated foods and seafood, and is considered as an important food-borne pathogen in China, especially in the Southern coastal area. We compared the whole genomes of 44 S. Weltevreden strains isolated from human stool and contaminated food samples from Southern Coastal China, in order to investigate their phylogenetic relationships and establish their genetic relatedness to known international strains...
October 31, 2017: International Journal of Food Microbiology
T Yanase, T Kato, Y Hayama, M Akiyama, N Itoh, S Horiuchi, Y Hirashima, H Shirafuji, M Yamakawa, S Tanaka, T Tsutsui
Akabane virus (AKAV) is teratogenic to the foetus of domestic ruminants and causes a significant reproduction loss in cattle in Japan. In several past epizootics in cattle, AKAV was also associated with post-natal encephalomyelitis, mainly in calves and young stock. Previously analysed AKAV isolates in East Asia form two major clusters, genogroups I and II, with isolates involved in encephalomyelitis belonging mainly to the former. Between 2007 and 2013, AKAV epizootics were regularly observed in Japan during the summer/autumn season, and abnormal deliveries and post-natal encephalomyelitis caused by the virus in cattle were reported...
November 29, 2017: Transboundary and Emerging Diseases
Leonardo Maldaner Amorim, Hoang van Tong, Nghiem Xuan Hoan, Luciana de Brito Vargas, Enilze Maria de Souza Fonseca Ribeiro, Maria Luiza Petzl-Erler, Angelica B W Boldt, Nguyen Linh Toan, Le Huu Song, Thirumalaisamy P Velavan, Danillo G Augusto
The KIR (killer cell immunoglobulin-like receptors) gene family codifies a group of receptors that recognize human leukocyte antigen (HLA) molecules and modulate natural killer (NK) cells response. Genetic diversity of KIR genes and HLA ligands has not yet been deeply investigated in South East Asia. Here, we characterized KIR gene presence/absence polymorphism of 14 KIR genes and two pseudogenes, as well as the frequencies of the ligands HLA-Bw4, HLA-C1 and HLA-C2 in a Vietnamese population from Hanoi (n=140)...
November 27, 2017: Human Immunology
L Xie, M-F Lv, J Yang, J-P Chen, H-M Zhang
Maize rough dwarf disease (MRDD) has long been known as one of the most devastating viral diseases of maize worldwide and is caused by single or complex infection by four fijiviruses: Maize rough dwarf virus (MRDV) in Europe and the Middle East, Mal de Rio Cuarto virus (MRCV) in South America, rice black-streaked dwarf virus (RBSDV), and Southern rice black-streaked dwarf virus (SRBSDV or Rice black-streaked dwarf virus 2, RBSDV-2) in East Asia. These are currently classified as four distinct species in the genus Fijivirus, family Reoviridae, but their taxonomic status has been questioned...
2017: Acta Virologica
G Veera Singham, Ahmad Sofiman Othman, Chow-Yang Lee
Dispersal of soil-dwelling organisms via the repeatedly exposed Sunda shelf through much of the Pleistocene in Southeast Asia has not been studied extensively, especially for invertebrates. Here we investigated the phylogeography of an endemic termite species, Macrotermes gilvus (Hagen), to elucidate the spatiotemporal dynamics of dispersal routes of terrestrial fauna in Pleistocene Southeast Asia. We sampled 213 termite colonies from 66 localities throughout the region. Independently inherited microsatellites and mtDNA markers were used to infer the phylogeographic framework of M...
2017: PloS One
Deborah A Williamson, Courtney R Lane, Marion Easton, Mary Valcanis, Janet Strachan, Mark G Veitch, Martyn D Kirk, Benjamin P Howden
Australia has high and increasing rates of salmonellosis. To date, the serovar distribution and associated antimicrobial resistance (AMR) patterns of non-typhoidal Salmonella enterica (NTS) in Australia have not been assessed. Such information provides critical knowledge about AMR in the food chain, and informs decisions about public health. We reviewed longitudinal data on NTS in two Australian states over a thirty-seven-year period, between 1979 and 2015, and antimicrobial resistance since 1984. Overall, 17% of isolates were non-susceptible to at least one antimicrobial, 4...
November 27, 2017: Antimicrobial Agents and Chemotherapy
Craig A Bonnington, Aung Pyae Phyo, Elizabeth A Ashley, Mallika Imwong, Kanlaya Sriprawat, Daniel M Parker, Stephane Proux, Nicholas J White, Francois Nosten
BACKGROUND: Artemisinin resistance, linked to polymorphisms in the Kelch gene on chromosome 13 of Plasmodium falciparum (k13), has outpaced containment efforts in South East Asia. For national malaria control programmes in the region, it is important to establish a surveillance system which includes monitoring for k13 polymorphisms associated with the clinical phenotype. METHODS: Between February and December 2013, parasite clearance was assessed in 35 patients with uncomplicated P...
November 25, 2017: Malaria Journal
C Abolnik, C Mubamba, D B R Wandrag, R Horner, B Gummow, G Dautu, S P R Bisschop
It is widely accepted that Newcastle disease is endemic in most African countries, but little attention has been afforded to establishing the sources and frequency of the introductions of exotic strains. Newcastle disease outbreaks have a high cost in Africa, particularly on rural livelihoods. Genotype VIIh emerged in South-East Asia and has since caused serious outbreaks in poultry in Malaysia, Indonesia, southern China, Vietnam and Cambodia. Genotype VIIh reached the African continent in 2011, with the first outbreaks reported in Mozambique...
November 26, 2017: Transboundary and Emerging Diseases
Tao Pan, Yanan Zhang, Hui Wang, Jun Wu, Xing Kang, Lifu Qian, Jinyun Chen, Dingqi Rao, Jianping Jiang, Baowei Zhang
Rapid uplifts of the Tibetan Plateau and climate change in Asia are thought to have profoundly modulated the diversification of most of the species distributed throughout Asia. The ranoid tree frog genus Rhacophorus, the largest genus in the Rhacophoridae, is widely distributed in Asia and especially speciose in the areas south and east of the Tibetan Plateau. Here, we infer phylogenetic relationships among species and estimate divergence times, asking whether the spatiotemporal characteristics of diversification within Rhacophorus were related to rapid uplifts of the Tibetan Plateau and concomitant climate change...
2017: PeerJ
Lana Childs, Sigrun Roesel, Rania A Tohme
In 2016, the Immunization Technical Advisory Group of the South-East Asia Region (SEAR) endorsed a regional goal to achieve ≤1% prevalence of hepatitis B surface antigen (HBsAg) among 5-year-old children by 2020. Chronic hepatitis B virus (HBV) infection is largely preventable with a birth dose of hepatitis B vaccine (HepB-BD) followed by two to three additional doses. We reviewed the progress towards hepatitis B control through vaccination in SEAR during 1992-2015. We summarized hepatitis B vaccination data and reviewed the literature to determine the prevalence of chronic HBV infection pre- and post-vaccine introduction...
November 21, 2017: Vaccine
Si-Jing Chen, Le Shi, Yan-Ping Bao, Ye-Kun Sun, Xiao Lin, Jian-Yu Que, Michael V Vitiello, Yu-Xin Zhou, Yong-Qing Wang, Lin Lu
Pregnant women are more likely to be affected by restless legs syndrome (RLS) than the general population. Restless legs syndrome during pregnancy is associated with adverse maternal and fetal outcomes. Currently unknown is the worldwide and regional prevalence of RLS in pregnant women. We performed a meta-analysis to provide a full profile of the prevalence of RLS during pregnancy. A systematic search of the PubMed, Medline, EMBASE, and Web of Science databases was performed to identify studies that were published up to April 2017, followed by random-effects meta-analyses...
October 25, 2017: Sleep Medicine Reviews
Cadhla Firth, Kim R Blasdell, Rachel Amos-Ritchie, Indrawati Sendow, Kalpana Agnihotri, David B Boyle, Peter Daniels, Peter D Kirkland, Peter J Walker
The distribution of bluetongue viruses (BTV) in Australia is represented by two distinct and interconnected epidemiological systems (episystems)-one distributed primarily in the north and one in the east. The northern episystem is characterised by substantially greater antigenic diversity than the eastern episystem; yet the forces that act to limit the diversity present in the east remain unclear. Previous work has indicated that the northern episystem is linked to that of island South East Asia and Melanesia, and that BTV present in Indonesia, Papua New Guinea and East Timor, may act as source populations for new serotypes and genotypes of BTV to enter Australia's north...
November 23, 2017: Veterinary Research
Jong-Hyeon Park, Dongseob Tark, Kwang-Nyeong Lee, Ji-Eun Chun, Hyang-Sim Lee, Young-Joon Ko, Soo-Jeong Kye, Yong-Joo Kim, Jae-Ku Oem, Soyoon Ryoo, Sung-Bin Lim, Seo-Yong Lee, Joo-Hyung Choi, Mi-Kyeong Ko, Su-Hwa You, Myoung-Heon Lee, Byounghan Kim
On December 3, 2014, a type O foot-and-mouth disease (FMD) outbreak occurred in South Korea. Although vaccinations were administered, cases of FMD increased steadily for five months and reached 185 cases by April 2015. Most of the affected animals were pigs, which are vulnerable to vaccinations. The FMD virus belonged to the South-East Asia (SEA) topotype that had been observed three times in Korea from April 2010 to July 2014. However, the virus in December 2014 had a unique difference in a partial deletion of the 5' noncoding region, which had not been seen in the previous SEA topotype isolates that were identified in Korea...
November 23, 2017: Journal of Veterinary Science
Mana Mahapatra, Sasmita Upadhyaya, Sharie Aviso, Aravindh Babu, Geoff Hutchings, Satya Parida
Foot-and-mouth disease (FMD) is endemic in Southeast Asia (SEA) and East Asia with circulation of multiple serotypes and multiple genotypes within each serotype of the virus. Although countries like Japan and South Korea in the Far East were free of FMD, in 2010 FMD serotype O (O/Mya-98) outbreaks were recorded and since then South Korea has experienced several FMD outbreaks despite regular vaccination. In this study a total of 85 serotype O FMD viruses (FMDV) isolated from 2007 to 2012 from SEA, East Asia and Far East were characterized by virus neutralisation tests using antisera to four existing (O/HKN/6/83, O/IND/R2/75, O/SKR/2010 and O/PanAsia-2) and one putative (O/MYA/2009) vaccine strains, and by full capsid sequencing...
November 17, 2017: Vaccine
Etienne Ruppé, Antoine Andremont, Laurence Armand-Lefèvre
BACKGROUND: Enterobacteriaceae have become increasingly resistant, especially due to the acquisition and spread of extended-spectrum beta-lactamases (ESBLs), which confer resistance to the majority of beta-lactams. Multi-resistant Enterobacteriaceae (MRE) were first isolated in hospitals, but now they are disseminating in the community setting, mostly in low and middle income countries. Consequently, the increasing number of international travels leads to the importation of MRE from high-prevalence to low-prevalence countries...
November 16, 2017: Travel Medicine and Infectious Disease
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