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Ul-Rahman A, Shabbir MZ, Rasheed M, Shafi N, AbdulRazaq K, Ramzan H, Mehmood R, Khan JA. Comparative genomics and evolutionary analysis of dengue virus strains circulating in Pakistan. Virus Genes 2024:10.1007/s11262-024-02100-8. [PMID: 39198368 DOI: 10.1007/s11262-024-02100-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 08/09/2024] [Indexed: 09/01/2024]
Abstract
Dengue fever virus (DENV) poses a significant public health risk in tropical and subtropical regions across the world. Although the dengue fever virus (DENV) exhibits significant genetic diversity and has the potential to evolve, there is a lack of comprehensive research on the comparative genomics and evolutionary dynamics of the virus in Pakistan. Phylogenetic analysis demonstrated the circulation of all four dengue virus serotypes (DENV-1, - 2, - 3, and - 4) with prevalent genotypes III and V within DENV-1, cosmopolitan genotype within DENV-2, genotype III within DENV-3, and genotype I within DENV-4 during 2006-2014. Based on the complete envelope region, genome-wide residue signature and genetic diversity indicate that there is a high level of genetic diversity among DENV-1 strains, while DENV-3 strains exhibit the least genetic diversity. Comparative analysis of all four DENV serotypes revealed that certain codons in DENV-2 and -4 were subject to strong purifying selection, while a few codon sites in the envelope region showed evidence of positive selection. These findings provided valuable insights into the comparative genomics and evolutionary pattern of DENV strains reported from Pakistan. Whether those characteristics conferred a fitness advantage to DENV-1 genotypes within a specific geography and time interval warrants further investigations. The findings of the current study will contribute to tracking disease dynamics, understanding virus transmission and evolution, and formulating effective disease control strategies.
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Affiliation(s)
- Aziz Ul-Rahman
- Faculty of Veterinary and Animal Sciences, MNS-University of Agriculture, Multan, Pakistan.
| | | | - Majeeda Rasheed
- Department of Life Sciences, Khawaja Fareed University of Engineering and Information Technology (KFUEIT), Rahim Yar Khan, 64200, Pakistan
| | - Nusrat Shafi
- Ch. Pervaiz Elahi Institute of Cardiology, Government of Pakistan, Multan, Pakistan
| | - Kalsoom AbdulRazaq
- Faculty of Veterinary and Animal Sciences, MNS-University of Agriculture, Multan, Pakistan
| | - Hamna Ramzan
- Faculty of Veterinary and Animal Sciences, MNS-University of Agriculture, Multan, Pakistan
| | - Rauf Mehmood
- Quality Control Department, Assir Cooperative Company, Muhayil Assir, 61913, Kingdom of Saudi Arabia
| | - Junaid Ali Khan
- Faculty of Veterinary and Animal Sciences, MNS-University of Agriculture, Multan, Pakistan
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2
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SOEGIJANTO S, CHURROTIN S, SUCIPTO TH, ARYANTI N. Dengue virus infections in the first six months of 2018 in Surabaya, Indonesia. GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE 2022. [DOI: 10.23736/s0393-3660.20.04350-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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3
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Lineage Replacement Associated with Fitness Gain in Mammalian Cells and Aedes aegypti: A Catalyst for Dengue Virus Type 2 Transmission. Microorganisms 2022; 10:microorganisms10061100. [PMID: 35744618 PMCID: PMC9231088 DOI: 10.3390/microorganisms10061100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023] Open
Abstract
Shifting of virus serotypes and clade replacement events are known to drive dengue epidemics. However, only a few studies have attempted to elucidate the virus attributes that contribute to such epidemics. In 2007, Singapore experienced a dengue outbreak affecting more than 8000 individuals. The outbreak ensued with the shuffling of dominant clades (from clade I to clade II) of Dengue virus 2 (DENV-2) cosmopolitan genotype, at a time when the Aedes premise index was significantly low. Therefore, we hypothesized that clade II had higher epidemic potential and fitness than clade I. To test this hypothesis, we tested the replication and apoptotic qualities of clade I and II isolates in mammalian cells and their ability to infect and disseminate in a field strain of Ae. Aegypti. Our findings indicated that clade II replicated more efficiently in mammalian cells than clade I and possessed higher transmission potential in local vectors. This could collectively improve the epidemic potential of clade II, which dominated during the outbreak in 2007. The findings exemplify complex interactions between the emergence, adaptation and transmission potential of DENV, and testify the epidemiological importance of a deeper understanding of virus and vector dynamics in endemic regions.
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4
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Harapan H, Michie A, Ernst T, Panta K, Mudatsir M, Yohan B, Haryanto S, McCarthy S, Sasmono RT, Imrie A. Co-Circulation of Chikungunya and Multiple DENV Serotypes and Genotypes, Western Indonesia 2015-2016. Viruses 2022; 14:99. [PMID: 35062303 PMCID: PMC8779054 DOI: 10.3390/v14010099] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 02/04/2023] Open
Abstract
Dengue is a mosquito-borne disease of public health concern affecting tropical and subtropical countries, including Indonesia. Although studies on dengue epidemiology have been undertaken in Indonesia, data are lacking in many areas of the country. The aim of this study was to determine dengue virus (DENV) and chikungunya virus (CHIKV) molecular epidemiology in western regions of the Indonesian archipelago. A one-year prospective study was conducted in Aceh and Jambi in 2015 and 2016, respectively, where patients with dengue-like illness were enrolled. Of 205 patients recruited, 29 and 27 were confirmed with dengue in Aceh and Jambi, respectively, and three from Jambi were confirmed with chikungunya. DENV-1 was the predominant serotype identified in Aceh while DENV-2 was predominant in Jambi. All DENV-1 and DENV-2 from both regions were classified as Genotype I and Cosmopolitan genotype, respectively, and all DENV-3 viruses from Jambi were Genotype I. Some viruses, in particular DENV-1, displayed a distinct lineage distribution, where two DENV-1 lineages from Aceh were more closely related to viruses from China instead of Jambi highlighting the role of travel and flight patterns on DENV transmission in the region. DENV-2 from both Aceh and Jambi and DENV-3 from Jambi were all closely related to Indonesian local strains. All three CHIKV belonged to Asian genotype and clustered closely with Indonesian CHIKV strains including those previously circulating in Jambi in 2015, confirming continuous and sustainable transmission of CHIKV in the region. The study results emphasize the importance of continuous epidemiological surveillance of arboviruses in Indonesia and simultaneous testing for CHIKV among dengue-suspected patients.
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Affiliation(s)
- Harapan Harapan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (H.H.); (M.M.)
- Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
| | - Alice Michie
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
| | - Timo Ernst
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
| | - Kritu Panta
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
| | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia; (H.H.); (M.M.)
- Tropical Disease Centre, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Benediktus Yohan
- Eijkman Institute for Molecular Biology, Jakarta 10430, Indonesia; (B.Y.); (R.T.S.)
| | - Sotianingsih Haryanto
- Faculty of Medicine and Health Science, Universitas Jambi, Jambi 36361, Indonesia;
- Raden Mattaher Hospital, Jambi 36361, Indonesia
| | - Suzi McCarthy
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
- Pathwest Laboratory Medicine, Nedlands, WA 6009, Australia
| | - R. Tedjo Sasmono
- Eijkman Institute for Molecular Biology, Jakarta 10430, Indonesia; (B.Y.); (R.T.S.)
| | - Allison Imrie
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA 6009, Australia; (A.M.); (T.E.); (K.P.); (S.M.)
- Pathwest Laboratory Medicine, Nedlands, WA 6009, Australia
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5
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Tsheten T, Gray DJ, Clements ACA, Wangdi K. Epidemiology and challenges of dengue surveillance in the WHO South-East Asia Region. Trans R Soc Trop Med Hyg 2021; 115:583-599. [PMID: 33410916 DOI: 10.1093/trstmh/traa158] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 10/02/2020] [Accepted: 11/18/2020] [Indexed: 11/13/2022] Open
Abstract
Dengue poses a significant health and economic burden in the WHO South-East Asia Region. Approaches for control need to be aligned with current knowledge on the epidemiology of dengue in the region. Such knowledge will ensure improved targeting of interventions to reduce dengue incidence and its socioeconomic impact. This review was undertaken to describe the contemporary epidemiology of dengue and critically analyse the existing surveillance strategies in the region. Over recent decades, dengue incidence has continued to increase with geographical expansion. The region has now become hyper-endemic for multiple dengue virus serotypes/genotypes. Every epidemic cycle was associated with a change of predominant serotype/genotype and this was often associated with severe disease with intense transmission. Classical larval indices are widely used in vector surveillance and adult mosquito samplings are not implemented as a part of routine surveillance. Further, there is a lack of integration of entomological and disease surveillance systems, often leading to inaction or delays in dengue prevention and control. Disease surveillance does not capture all cases, resulting in under-reporting, and has thus failed to adequately represent the true burden of disease in the region. Possible solutions include incorporating adult mosquito sampling into routine vector surveillance, the establishment of laboratory-based sentinel surveillance, integrated vector and dengue disease surveillance and climate-based early warning systems using available technologies like mobile apps.
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Affiliation(s)
- Tsheten Tsheten
- Department of Globa l Health, Research School of Population Health, Australian National University, Canberra, Australia.,Royal Centre for Disease Control, Ministry of Health, Bhutan
| | - Darren J Gray
- Department of Globa l Health, Research School of Population Health, Australian National University, Canberra, Australia
| | - Archie C A Clements
- Faculty of Health Sciences, Curtin University, Perth, Australia.,Telethon Kids Institute, Nedlands, Australia
| | - Kinley Wangdi
- Department of Globa l Health, Research School of Population Health, Australian National University, Canberra, Australia
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Kotaki T, Kurosu T, Grinyo-Escuer A, Davidson E, Churrotin S, Okabayashi T, Puiprom O, Mulyatno KC, Sucipto TH, Doranz BJ, Ono KI, Soegijanto S, Kameoka M. An affinity-matured human monoclonal antibody targeting fusion loop epitope of dengue virus with in vivo therapeutic potency. Sci Rep 2021; 11:12987. [PMID: 34155267 PMCID: PMC8217507 DOI: 10.1038/s41598-021-92403-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 06/08/2021] [Indexed: 11/26/2022] Open
Abstract
Dengue virus (DENV), from the genus flavivirus of the family flaviviridae, causes serious health problems globally. Human monoclonal antibodies (HuMAb) can be used to elucidate the mechanisms of neutralization and antibody-dependent enhancement (ADE) of DENV infections, leading to the development of a vaccine or therapeutic antibodies. Here, we generated eight HuMAb clones from an Indonesian patient infected with DENV. These HuMAbs exhibited the typical characteristics of weak neutralizing antibodies including high cross-reactivity with other flaviviruses and targeting of the fusion loop epitope (FLE). However, one of the HuMAbs, 3G9, exhibited strong neutralization (NT50 < 0.1 μg/ml) and possessed a high somatic hyper-mutation rate of the variable region, indicating affinity-maturation. Administration of this antibody significantly prolonged the survival of interferon-α/β/γ receptor knockout C57BL/6 mice after a lethal DENV challenge. Additionally, Fc-modified 3G9 that had lost their in vitro ADE activity showed enhanced therapeutic potency in vivo and competed strongly with an ADE-prone antibody in vitro. Taken together, the affinity-matured FLE-targeting antibody 3G9 exhibits promising features for therapeutic application including a low NT50 value, potential for treatment of various kinds of mosquito-borne flavivirus infection, and suppression of ADE. This study demonstrates the therapeutic potency of affinity-matured FLE-targeting antibodies.
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Affiliation(s)
- Tomohiro Kotaki
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia.
- Department of Virology, Research Institute for Microbial Diseases, Osaka University, Suita, Japan.
| | - Takeshi Kurosu
- Department of Virology I, National Institute of Infectious Diseases (NIID), Tokyo, Japan
| | | | | | - Siti Churrotin
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Tamaki Okabayashi
- Mahidol-Osaka Center for Infectious Diseases (MOCID), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Orapim Puiprom
- Mahidol-Osaka Center for Infectious Diseases (MOCID), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Kris Cahyo Mulyatno
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Teguh Hari Sucipto
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | | | - Ken-Ichiro Ono
- Medical & Biological Laboratories Co., Ltd., Tokyo, Japan
| | - Soegeng Soegijanto
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Masanori Kameoka
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.
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Soegijanto S, Sucipto TH, Mulyatno KC, Churrotin S. Epidemiology Study of Dengue Virus In Surabaya, Bogor, and Bangkalan, Indonesia 2008-2018. FOLIA MEDICA INDONESIANA 2021. [DOI: 10.20473/fmi.v56i4.24640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Dengue virus (DENV) is mosquito-borne viral diseases, transmitted by the vector mosquitoes such as Aedes sp. Infection with four serotypes of DENV-1 to 4. Indonesia, dengue haemorrhagic fever (DHF) was first recognized in 1968 in the cities of Jakarta and Surabaya. In 2007, we started DENV surveillance in Surabaya supported by the joined program of the Japan Initiative for Global Research Network on Infectious Disease (J-GRID) established the Indonesia-Kobe University Collaborative Research Center for Emerging and Reemerging Infectious Diseases (CRC-ERID). The results of serotype and genotype, in Surabaya and Bangkalan are similar with previous result in Indonesia, but especially in Bogor similar with Japan 2014. This study showed the importance of continuous virus surveillance in dengue endemic areas, in order to understand the dynamic of dengue infection disease in Indonesia.
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8
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Dengue Virus Serotype 4 Is Responsible for the Outbreak of Dengue in East Java City of Jember, Indonesia. Viruses 2020; 12:v12090913. [PMID: 32825262 PMCID: PMC7551817 DOI: 10.3390/v12090913] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/03/2020] [Accepted: 08/18/2020] [Indexed: 12/26/2022] Open
Abstract
Outbreaks of dengue virus (DENV) in Indonesia have been mainly caused by the DENV serotype-1; -2; or -3. The DENV-4 was the least-reported serotype in Indonesia during the last five decades. We recently conducted a molecular epidemiology study of dengue in the Jember regency, East Java province, Indonesia. Dengue is endemic in the region and outbreaks occur annually. We investigated the clinical characteristics and etiology of dengue-like febrile illness in this regency to understand the disease dynamics. A total of 191 patients with clinical symptoms similar to dengue were recruited during an 11-month study in 2019-2020. Children accounted for the majority of cases and dengue burden was estimated in 41.4% of the cases based on NS1 antigen, viral RNA, and IgG/IgM antibody detection with the majority (73.4%) being primary infections. Secondary infection was significantly associated with a higher risk of severe dengue manifestation. All four DENV serotypes were detected in Jember. Strikingly, we observed the predominance of DENV-4, followed by DENV-3, DENV-1, and DENV-2. Genotype determination using Envelope gene sequence revealed the classification into Genotype I, Cosmopolitan Genotype, Genotype I, and Genotype II for DENV-1, -2, -3, and -4, respectively. The predominance of DENV-4 in Jember may be associated with a new wave of DENV infections and spread in a non-immune population lacking a herd-immunity to this particular serotype.
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Dewi BE, Nainggolan L, Sudiro TM, Chenderawasi S, Goentoro PL, Sjatha F. Circulation of Various Dengue Serotypes in a Community-Based Study in Jakarta, Indonesia. Jpn J Infect Dis 2020; 74:17-22. [PMID: 32611971 DOI: 10.7883/yoken.jjid.2019.431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Dengue virus (DENV) infection remains to be a serious health problem in Indonesia. Community-based dengue studies to determine circulating DENV serotypes based on the geography and season are limited owing to the expensive cost and significant effort required. Many patients with DENV infection are not hospitalized and many visit the hospital in the later phase of the disease. In this study, we performed active DENV surveillance in a community in Jakarta to study the circulating dengue serotypes; adult febrile patients with fever less than 48 hours were recruited. Disease severity was defined using the World Health Organization (WHO) 1997 guidelines. Rapid NS1 dengue antigen detection was used to screen patients with DENV in the community. Viral culture using the C6/36 cell line, an increased antibody titer on hemagglutination inhibition test and enzyme linked immunosorbent assay, or detection of the viral genome on reverse transcription-polymerase chain reaction was used to confirm DENV infection. Of the 102 patients, 68 (66.7%) were confirmed to have DENV infection, with DENV-2 being the most dominant serotype, followed by DENV-3, DENV-1, and DENV-4, in concordance with several reports of mixed DENV infection. Interestingly, in terms of disease severity, although DENV-3 infection was not the predominant circulating serotype, infection with it tended to cause a more severe disease than infection with DENV-2.
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Affiliation(s)
- Beti Ernawati Dewi
- Department of Microbiology, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia.,Community Based Dengue Study, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia.,Cluster of Infectious Diseases and Immunology. Indonesian Medical Education and Research Institute (IMERI), Indonesia
| | - Leonard Nainggolan
- Departement of Internal Medicine, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia.,Community Based Dengue Study, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia
| | - Tjahjani Mirawati Sudiro
- Department of Microbiology, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia.,Cluster of Infectious Diseases and Immunology. Indonesian Medical Education and Research Institute (IMERI), Indonesia
| | - Settrin Chenderawasi
- Community Based Dengue Study, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia
| | - Patricia Lukas Goentoro
- Community Based Dengue Study, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia
| | - Fithriyah Sjatha
- Department of Microbiology, Faculty of Medicine, Universitas Indonesia-Cipto Mangunkusumo Hospital, Indonesia.,Cluster of Infectious Diseases and Immunology. Indonesian Medical Education and Research Institute (IMERI), Indonesia
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10
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Ahmad FU, Paul SK, Aung MS, Mazid R, Alam M, Ahmed S, Haque N, Hossain MA, Paul S, Sharmin R, Kobayashi N. Co-circulation of dengue virus type 3-genotype I and type 2-Cosmopolitan genotype in 2018 outbreak in Dhaka, Bangladesh. New Microbes New Infect 2019; 33:100629. [PMID: 31908784 PMCID: PMC6940688 DOI: 10.1016/j.nmni.2019.100629] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 11/01/2019] [Accepted: 11/25/2019] [Indexed: 12/04/2022] Open
Abstract
Dengue virus (DENV) that caused an outbreak in Dhaka, Bangladesh during 2018 was analysed phylogenetically. DENV samples were classified into type 2-Cosmopolitan genotype (54%) and type 3-genotype I (46%), indicating co-circulation of two DENV types and resurgence of type 3 associated with genotype replacement.
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Affiliation(s)
- F U Ahmad
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - S K Paul
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - M S Aung
- Sapporo Medical University School of Medicine, Sapporo, Japan
| | - R Mazid
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - M Alam
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - S Ahmed
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - N Haque
- Mymensingh Medical College, Mymensingh, Bangladesh
| | - M A Hossain
- Imperial Hospital Limited, Chittagong, Bangladesh
| | - S Paul
- Sir Salimullah Medical College, Dhaka, Bangladesh
| | - R Sharmin
- Dhaka Medical College, Dhaka, Bangladesh
| | - N Kobayashi
- Sapporo Medical University School of Medicine, Sapporo, Japan
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Utama IMS, Lukman N, Sukmawati DD, Alisjahbana B, Alam A, Murniati D, Utama IMGDL, Puspitasari D, Kosasih H, Laksono I, Karyana M, Karyanti MR, Hapsari MMDEAH, Meutia N, Liang CJ, Wulan WN, Lau CY, Parwati KTM. Dengue viral infection in Indonesia: Epidemiology, diagnostic challenges, and mutations from an observational cohort study. PLoS Negl Trop Dis 2019; 13:e0007785. [PMID: 31634352 PMCID: PMC6822776 DOI: 10.1371/journal.pntd.0007785] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 10/31/2019] [Accepted: 09/16/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Dengue virus (DENV) infection is a major cause of acute febrile illness in Indonesia. Diagnostic inaccuracy may occur due to its varied and non-specific presentation. Characterization of DENV epidemiology, clinical presentation, and virology will facilitate appropriate clinical management and public health policy. METHODOLOGY/PRINCIPAL FINDINGS A multicenter observational cohort study was conducted in Indonesia to assess causes of acute fever requiring hospitalization. Clinical information and specimens were collected at enrollment, 14-28 days, and 3 months from 1,486 children and adults. Total of 468 (31.9%) cases of DENV infection were confirmed by reference laboratory assays. Of these, 414 (88.5%) were accurately diagnosed and 54 had been misdiagnosed as another infection by sites. One hundred initially suspected dengue cases were finally classified as 'non-dengue'; other pathogens were identified in 58 of those cases. Mortality of DENV infection was low (0.6%). Prior DENV exposure was found in 92.3% of subjects >12 years. DENV circulated year-round in all cities, with higher incidence from January to March. DENV-3 and DENV-1 were the predominant serotypes. This study identified DENV-1 with TS119(C→T) substitution in the serotyping primer annealing site, leading to failure of serotype determination. CONCLUSIONS/SIGNIFICANCE DENV is a common etiology of acute febrile illness requiring hospitalization in Indonesia. Diagnostic accuracy at clinical sites merits optimization since misdiagnosis of DENV infection and over-estimation of dengue can negatively impact management and outcomes. Mutation at the annealing site of the serotyping primer may confound diagnosis. Clinicians should consider following diagnostic algorithms that include DENV confirmatory testing. Policy-makers should prioritize development of laboratory capacity for diagnosis of DENV.
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Affiliation(s)
| | - Nurhayati Lukman
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Jakarta, Indonesia
| | | | - Bachti Alisjahbana
- Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin Hospital, Bandung, West Java, Indonesia
| | - Anggraini Alam
- Faculty of Medicine, Universitas Padjadjaran, Hasan Sadikin Hospital, Bandung, West Java, Indonesia
| | - Dewi Murniati
- Sulianti Saroso Infectious Disease Hospital, Jakarta, Indonesia
| | | | - Dwiyanti Puspitasari
- Department of Child Health, Faculty of Medicine, Dr. Soetomo Hospital, Airlangga University, Surabaya, Indonesia
| | - Herman Kosasih
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Jakarta, Indonesia
| | | | - Muhammad Karyana
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Jakarta, Indonesia
- National Institute of Health Research and Development (NIHRD), Ministry of Health Republic of Indonesia, Jakarta, Indonesia
| | | | | | - Ninny Meutia
- Wahidin Sudirohusodo Hospital, Makassar, Indonesia
| | - C Jason Liang
- National Institute of Allergy and Infectious Disease (NIAID), National Institutes of Health, Bethesda, Maryland, United States of America
| | - Wahyu Nawang Wulan
- Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Jakarta, Indonesia
| | - Chuen-Yen Lau
- National Institute of Allergy and Infectious Disease (NIAID), National Institutes of Health, Bethesda, Maryland, United States of America
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12
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Yu J, Li X, He X, Liu X, Zhong Z, Xie Q, Zhu L, Jia F, Mao Y, Chen Z, Wen Y, Ma D, Yu L, Zhang B, Zhao W, Xiao W. Epidemiological and Evolutionary Analysis of Dengue-1 Virus Detected in Guangdong during 2014: Recycling of Old and Formation of New Lineages. Am J Trop Med Hyg 2019; 101:870-883. [PMID: 31392945 PMCID: PMC6779206 DOI: 10.4269/ajtmh.18-0951] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 06/26/2019] [Indexed: 01/05/2023] Open
Abstract
The incidence of dengue is increasing in Guangdong, China, with the largest outbreak to date in 2014. Widespread awareness of epidemiological and molecular characteristics of the dengue virus (DENV) is required. In 2014, we isolated the virus from patients and sequenced its genome. The sequences of DENV isolated from Guangdong and other countries screened since 2005 were studied to establish molecular evolutionary databases along with epidemiological data to explore its epidemiological, phylogenetic, and molecular characteristics. Causes underlying the occurrence of the dengue epidemic included importation and localization of the virus. The number of indigenous cases significantly exceeded that of imported cases. Dengue virus 1 is the most important serotype and caused the long-term epidemic locally. Based on the data available since 2005, DENV1 was divided into three genotypes (I, IV, and V). Only genotypes I and V were detected in 2014. In 2014, an epidemic involving old lineages of DENV1 genotype V occurred after 2 years of silence. The genotype was previously detected from 2009 to 2011. Genotype I, which caused recent epidemics, demonstrated a continuation of new lineages, and a predictive pattern of molecular evolution since 2005 among the four lineages was present. The DENV isolated from Guangdong was closely related to those causing large-scale epidemics in neighboring countries, suggesting the possibility of its import from these countries. The lack of sufficient epidemiological data and evidence on the local mosquito-borne DENV emphasizes the importance of studying the molecular evolutionary features and establishing a well-established phylogenetic tree for dengue prevention and control in Guangdong.
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Affiliation(s)
- Jianhai Yu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xujuan Li
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xiaoen He
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xuling Liu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zhicheng Zhong
- Guangdong Women and Children’s Hospital, Guangzhou Medical University, Guangzhou, China
| | - Qian Xie
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Li Zhu
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Fengyun Jia
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Yingxue Mao
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zongqiu Chen
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Ying Wen
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Danjuan Ma
- Guangdong Women and Children’s Hospital, Guangzhou Medical University, Guangzhou, China
| | - Linzhong Yu
- Department of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
| | - Bao Zhang
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Wei Zhao
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmacy, Southern Medical University, Guangzhou, China
| | - Weiwei Xiao
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
- School of Public Health, Guangdong Medical University, Dongguan, China
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13
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Multiple introductions of dengue virus strains contribute to dengue outbreaks in East Kalimantan, Indonesia, in 2015-2016. Virol J 2019; 16:93. [PMID: 31345242 PMCID: PMC6659258 DOI: 10.1186/s12985-019-1202-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/18/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Dengue fever is a febrile disease caused by dengue virus (DENV), which affects people throughout the tropical and subtropical regions of the world, including Indonesia. East Kalimantan (Borneo) province suffered a dramatic increase in dengue cases in 2015 and 2016, making it the province with the second highest incidence of dengue in Indonesia. Despite this, dengue in East Kalimantan is understudied; leaving transmission dynamics of the disease in the area are mostly unknown. In this study, we investigate the factors contributing to the outbreaks in East Kalimantan. METHODS Prospective clinical and molecular virology study was conducted in two main cities in the province, namely Samarinda and Balikpapan, in 2015-2016. Patients' clinical, hematological, and demographic data were recorded. Dengue detection and confirmation was performed using NS1-antigen and IgG/IgM antibody detection. RT-PCR was conducted to determine the serotypes of the virus. Phylogenetic analysis was performed based on envelope gene sequences. RESULTS Three hundred patients with suspected dengue were recruited. Among these, 132 (44%) were diagnosed with dengue by NS1 antigen and/or nucleic acid detection. The majority of the infections (60%) were primary, with dengue hemorrhagic fever (DHF) the predominant manifestation (71.9%). Serotyping detected all four DENV serotypes in 112 (37.3%) cases, with the majority of patients (58.9%) infected by DENV-3. Phylogenetic analysis based on envelope gene sequences revealed the genotypes of the viruses as DENV-1 Genotype I, DENV-2 Cosmopolitan, and DENV-3 Genotype I. Most virus strains were closely-related to strains from cities in Indonesia. CONCLUSIONS Our observations indicate that multiple introductions of endemic DENV from surrounding cities in Indonesia, coupled with relatively low herd immunity, were likely responsible for the outbreak of the dominant viruses. The study provides information on the clinical spectrum of the disease, together with serology, viral genetics, and demographic data, which will be useful for better understanding of dengue disease in Borneo.
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Harapan H, Michie A, Mudatsir M, Sasmono RT, Imrie A. Epidemiology of dengue hemorrhagic fever in Indonesia: analysis of five decades data from the National Disease Surveillance. BMC Res Notes 2019; 12:350. [PMID: 31221186 PMCID: PMC6587249 DOI: 10.1186/s13104-019-4379-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 06/11/2019] [Indexed: 12/22/2022] Open
Abstract
Objective To provide a national incidence rate and case fatality rate of dengue hemorrhagic fever in Indonesia through an analysis of the National Disease Surveillance database from the Directorate General of Disease Prevention and Control of Ministry of Health. Results Available data has indicated an increasing trend of dengue hemorrhagic fever incidence in Indonesia over the past 50 years. Incidence rates appear to be cyclic, peaking approximately every 6–8 years. In contrast, the case fatality rate has decreased approximately by half each decade, since 1980. Java Island contributed the highest average number of dengue hemorrhagic fever cases each year. In recent years, Bali and Borneo (Kalimantan) have had the highest incidence while Papua Island, the easternmost region of the Indonesian archipelago, has had the lowest incidence.
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Affiliation(s)
- Harapan Harapan
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia. .,School of Biomedical Sciences, University of Western Australia, Nedlands, WA, 6009, Australia.
| | - Alice Michie
- School of Biomedical Sciences, University of Western Australia, Nedlands, WA, 6009, Australia
| | - Mudatsir Mudatsir
- Medical Research Unit, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia. .,Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
| | - R Tedjo Sasmono
- Eijkman Institute for Molecular Biology, Jakarta, 10430, Indonesia
| | - Allison Imrie
- Department of Microbiology, School of Medicine, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
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15
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Harapan H, Michie A, Yohan B, Shu P, Mudatsir M, Sasmono RT, Imrie A. Dengue viruses circulating in Indonesia: A systematic review and phylogenetic analysis of data from five decades. Rev Med Virol 2019; 29:e2037. [DOI: 10.1002/rmv.2037] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/08/2018] [Accepted: 12/11/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Harapan Harapan
- Medical Research Unit, School of MedicineUniversitas Syiah Kuala Banda Aceh Indonesia
- School of Biomedical SciencesUniversity of Western Australia Nedlands Western Australia Australia
| | - Alice Michie
- School of Biomedical SciencesUniversity of Western Australia Nedlands Western Australia Australia
| | | | - Pei‐Yun Shu
- Center for Diagnostics and Vaccine Development, Centers for Disease ControlMinistry of Health and Welfare Taiwan Republic of China
| | - Mudatsir Mudatsir
- Medical Research Unit, School of MedicineUniversitas Syiah Kuala Banda Aceh Indonesia
- Department of Microbiology, School of MedicineUniversitas Syiah Kuala Banda Aceh Indonesia
| | | | - Allison Imrie
- School of Biomedical SciencesUniversity of Western Australia Nedlands Western Australia Australia
- Pathwest Laboratory Medicine Nedlands Western Australia Australia
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Salvo MA, Aliota MT, Moncla LH, Velez ID, Trujillo AI, Friedrich TC, Osorio JE. Tracking dengue virus type 1 genetic diversity during lineage replacement in an hyperendemic area in Colombia. PLoS One 2019; 14:e0212947. [PMID: 30845200 PMCID: PMC6405123 DOI: 10.1371/journal.pone.0212947] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 02/12/2019] [Indexed: 12/16/2022] Open
Abstract
Dengue virus (DENV) is a flavivirus responsible for the most common and burdensome arthropod-borne viral disease of humans[1]. DENV evolution has been extensively studied on broad geographic and time scales, using sequences from a single gene[2,3]. It is believed that DENV evolution in humans is dominated primarily by purifying selection due to the constraint of maintaining fitness in both humans and mosquitoes[4,5]. Few studies have explored DENV evolutionary dynamics using whole genome sequences, nor have they explored changes in viral diversity that occur during intra-epidemic periods. We used deep sequencing of the viral coding region to characterize DENV-1 evolution in a Colombian population sampled during two high-prevalence dengue seasons in which serotype dominance shifted. Our data demonstrate patterns of strain extinction and replacement within DENV-1 as its prevalence waned and DENV-3 became established. A comparison of whole-genome versus single-gene-based phylogenetic analyses highlights an important difference in evolutionary patterns. We report a trend of higher nonsynonymous to synonymous diversity ratios among non-structural (NS) genes, and statistically significantly higher values among these ratios in the NS1 gene after DENV-1 strain replacement. These results suggest that positive selection could be driving DENV evolution within individual communities. Signals of positive selection coming from distinct samples may be drowned out when combining multiple regions with differing patterns of endemic transmission as commonly done by large-scale geo-temporal assessments. Here, we frame our findings within a small, local transmission history which aids significance. Moreover, these data suggest that the NS1 gene, rather than the E gene, may be a target of positive selection, although not mutually exclusive, and potentially useful sentinel of adaptive changes at the population level.
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Affiliation(s)
- Mauricio A. Salvo
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Matthew T. Aliota
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Louise H. Moncla
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Ivan D. Velez
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Universidad de Antioquia, Medellin, Colombia
| | - Andrea I. Trujillo
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Universidad de Antioquia, Medellin, Colombia
| | - Thomas C. Friedrich
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Jorge E. Osorio
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
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Maharani A, Sucipto TH, Setyawati H, Churrotin S, Amarullah IH, Wardhani P, Aryati A, Ueda S, Soegijanto S. RNA ISOLATION OF DENGUE VIRUS TYPE 1 WITH DIFFERENT PRECIPITATION SOLVENTS: DIMETHYL SULFOXIDE, ACETONE, AND ETHANOL 70%. INDONESIAN JOURNAL OF TROPICAL AND INFECTIOUS DISEASE 2018. [DOI: 10.20473/ijtid.v7i3.6748] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Dengue Hemorrhagic Fever (DHF) is caused by dengue viruses that belong to Flaviviridae. The disease is known to be caused by 4 types of dengue viruses, namely DENV-1, DENV-2, DENV-3, and DENV-4 associated with antigenic. Dengue virus is a virus RNA that causes illness with clinical manifestations of Dengue Fever, Dengue Hemorrhagic Fever and Dengue Shock Syndrome. The aim of research was to determine the effectiveness of dimethyl sulfoxide, acetone, and ethanol 70% as precipitation solvent in the process of RNA isolation. The method used was Reverse Transcription - Polymerase Chain Reaction (RT-PCR) and Polymerase Chain Reaction (PCR) with specific primers for dengue virus type 1 (DENV-1). RNA isolation can be done easily using an RNA Isolation Kit. Use of RNA Isolation Kit results in a purer RNA isolate from contaminants and from RNA degradation. In generally the isolation is using cold ethanol / alcohol with concentration 90-95%. Ethanol / Alcohol does not dissolve RNA and light density of alcohol lighter than water makes RNA rise and hover on the surface. In RNA isolation solvent precipitation that used are acetone, ethanol 70%, and DMSO. In qualitative RNA measurements using agarose gel electrophoresis and was examined under the UV light-illuminator and quantitative RNA measurements using Nanodrop spectrophotometry with absorbance ratio at 260/280 and 260/230 showed a good result indicated by the appearance of the band on electrophoresis results in PCR. While the measurement quantitatively is showed that there was still protein contamination but the results are quite good because it does not much different from the ratio set in the reference. Acetone, ethanol 70%, and DMSO can be used as a substitute of 96% ethanol in the process of RNA isolation in DENV-1 virus and can also be applied to other dengue virus because the structure of the 4th antigen serotype is very similar one with the other and no effect.
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Soegijanto S, Nuryandari S, Churrotin S, Sucipto TH. FEVER AS INDICATOR TO SECONDARY INFECTION IN DENGUE VIRAL INFECTION. INDONESIAN JOURNAL OF TROPICAL AND INFECTIOUS DISEASE 2018. [DOI: 10.20473/ijtid.v7i1.5640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Dengue Virus Infections are distributed in tropical and sub-tropical regions and transmitted by the mosquitoes such as Aedes aegypti and Aedes albopictus. Dengue virus can cause dengue fever, dengue hemorrhagic fever and dengue shock syndrome or dengue and severe dengue classified by World Health Organization. Beside it concurrent infection virus salmonella had been found some cases who showed fever more than 7 days. Concurrent infection with two agents can result in an illness having overlapping symptoms creating a diagnostic dilemma for treating physician, such as dengue fever with typhoid fever. The aim of this research is detection of dengue virus and secondary infection with Salmonella typhi in patients suspected dengue virus infection. Detection of dengue virus and Salmonella typhi using immunochromatography test such as NS1, IgG/IgM for dengue virus infection, and IgM/IgG Salmonella and blood culture. The fifty children with dengue virus infection came to Soerya hospital and 17 cases suspected dengue virus infection, five cases showed a positive NS1 on the second day of fever and one case concurrent with clinical manifestation of convulsi on the third days of fever there were five cases only showed positive. It was showed in this study that on the fourth to six day of fever in dengue virus infection accompanied by antibody IgM & IgG dengue. There were 12 cases showed the clinical manifestation of concurrent dengue viral infection and Salmonella, all of them showed a mild clinical manifestation and did not show plasma leakage and shock. In this study we found the length of stay of concurrent Dengue Virus Infection and Salmonella infection is more than 10 days. These patients were also more likely to have co-existing haemodynamic disturbances and bacterial septicaemia which would have required treatment with inotropes and antibiotics. This idea is very important to make update dengue viral management to decrease mortality in outbreak try to gain new prevention method before the occurrence of outbreak.
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Sucipto TH, Churrotin S, Setyawati H, Martak F, Mulyatno KC, Amarullah IH, Kotaki T, Kameoka M, Yotopranoto S, Soegijanto AS. A NEW COPPER (II)-IMIDAZOLE DERIVATIVE EFFECTIVELY INHIBITS REPLICATION OF DENV-2 IN VERO CELL. Afr J Infect Dis 2018; 12:116-119. [PMID: 29619441 PMCID: PMC5876766 DOI: 10.2101/ajid.12v1s.17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 08/18/2017] [Accepted: 08/18/2017] [Indexed: 11/29/2022] Open
Abstract
Background: Dengue is a kind of infectious disease that was distributed in the tropical and sub-tropical areas. To date, there is no clinically approved dengue vaccine or antiviral for humans, even though there have been great efforts towards this end. Therefore, finding the effective compound against dengue virus (DENV) replication is very important. Among the complex compounds, copper(II)-imidazole derivatives are of interest because of their biological and medicinal benefits. Materials and Methods: In the present study, antiviral activity of [Cu(2,4,5-triphenylimidazole)2]n, was evaluated against different stages of dengue virus type 2 (DENV-2) replication in Vero cell using focus forming unit reduction assay and quantitative ELISA. Results: [Cu(2,4,5-triphenylimidazole)2]n inhibited DENV-2 replication in Vero cells with IC50 = 2.3 μg/ml and SI= 19.42 when cells were treated 2 days after virus infection, whereas its CC50 for cytotoxicity to Vero cells was 44.174 μg/ml. Conclusion: The compound has high anti-DENV2 activity, less toxicity, and a high possibility to be considered a drug candidate.
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Affiliation(s)
- Teguh Hari Sucipto
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - Siti Churrotin
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - Harsasi Setyawati
- Department of Chemistry, Faculty of Science and Technology, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - Fahimah Martak
- Department of Chemistry, Faculty of Mathematic and Natural Science, Sepuluh Nopember Institute of Technology, Kampus Sukolilo Jl. Raya ITS, Surabaya, East Java, Indonesia, 60111
| | - Kris Cahyo Mulyatno
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - Ilham Harlan Amarullah
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - Tomohiro Kotaki
- Department of International Health, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo 654-0142, Japan
| | - Masanori Kameoka
- Department of International Health, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo 654-0142, Japan
| | - Subagyo Yotopranoto
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
| | - And Soegeng Soegijanto
- Dengue Study Group, Institute of Tropical Disease, Airlangga University, Kampus C Jl. Mulyorejo, Surabaya, East Java, Indonesia, 60115
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de Jong W, Rusli M, Bhoelan S, Rohde S, Rantam FA, Noeryoto PA, Hadi U, Gorp ECMV, Goeijenbier M. Endemic and emerging acute virus infections in Indonesia: an overview of the past decade and implications for the future. Crit Rev Microbiol 2018; 44:487-503. [PMID: 29451044 DOI: 10.1080/1040841x.2018.1438986] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Being the largest archipelago country in the world, with a tropical climate and a unique flora and fauna, Indonesia habitats one of the most diverse biome in the world. These characteristics make Indonesia a popular travel destination, with tourism numbers increasing yearly. These characteristics also facilitate the transmission of zoonosis and provide ideal living and breading circumstances for arthropods, known vectors for viral diseases. A review of the past 10 years of literature, reports of the Ministry of Health, Republic of Indonesia and ProMED-mail shows a significant increase in dengue infection incidence. Furthermore, chikungunya, Japanese encephalitis and rabies are proven to be endemic in Indonesia. The combination of cohort studies, governmental data and ProMED-mail reveals an integrated overview for those working in travel medicine and public health, focusing on both endemic and emerging acute virus infections. This review summarizes the epidemiology of acute virus infections in Indonesia, including outbreak reports, as well as public health response measurements and their potential or efficacy. Knowledge about human behaviour, animal reservoirs, climate factors, environment and their role in emerging virus infection are discussed. We aim to support public health authorities and health care policy makers in a One Health approach.
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Affiliation(s)
- Wesley de Jong
- a Department of Viroscience , Erasmus MC , Rotterdam , the Netherlands
| | - Musofa Rusli
- b Department of Internal Medicine, Division of Tropical & Infectious Disease, Faculty of Medicine , Airlangga University , Surabaya , Indonesia
| | - Soerajja Bhoelan
- c Department of Internal medicine , Havenziekenhuis Institute for Tropical Medicine , Rotterdam , the Netherlands
| | - Sofie Rohde
- a Department of Viroscience , Erasmus MC , Rotterdam , the Netherlands
| | - Fedik A Rantam
- d Institute of Tropical Disease, Airlangga University , Surabaya , Indonesia
| | - Purwati A Noeryoto
- b Department of Internal Medicine, Division of Tropical & Infectious Disease, Faculty of Medicine , Airlangga University , Surabaya , Indonesia
| | - Usman Hadi
- b Department of Internal Medicine, Division of Tropical & Infectious Disease, Faculty of Medicine , Airlangga University , Surabaya , Indonesia
| | - Eric C M van Gorp
- a Department of Viroscience , Erasmus MC , Rotterdam , the Netherlands
| | - Marco Goeijenbier
- a Department of Viroscience , Erasmus MC , Rotterdam , the Netherlands.,c Department of Internal medicine , Havenziekenhuis Institute for Tropical Medicine , Rotterdam , the Netherlands
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Phylogenetic Analysis of Dengue Virus in Bangkalan, Madura Island, East Java Province, Indonesia. J Trop Med 2018; 2018:8127093. [PMID: 29666658 PMCID: PMC5832172 DOI: 10.1155/2018/8127093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 12/27/2017] [Accepted: 01/21/2018] [Indexed: 12/05/2022] Open
Abstract
Dengue virus (DENV) infection is a major health issue in tropical and subtropical areas. Indonesia is one of the biggest dengue endemic countries in the world. In the present study, the phylogenetic analysis of DENV in Bangkalan, Madura Island, Indonesia, was performed in order to obtain a clearer understanding of its dynamics in this country. A total of 359 blood samples from dengue-suspected patients were collected between 2012 and 2014. Serotyping was conducted using a multiplex Reverse Transcriptase-Polymerase Chain Reaction and a phylogenetic analysis of E gene sequences was performed using the Bayesian Markov chain Monte Carlo (MCMC) method. 17 out of 359 blood samples (4.7%) were positive for the isolation of DENV. Serotyping and the phylogenetic analysis revealed the predominance of DENV-1 genotype I (9/17, 52.9%), followed by DENV-2 Cosmopolitan type (7/17, 41.2%) and DENV-3 genotype I (1/17, 5.9%). DENV-4 was not isolated. The Madura Island isolates showed high nucleotide similarity to other Indonesian isolates, indicating frequent virus circulation in Indonesia. The results of the present study highlight the importance of continuous viral surveillance in dengue endemic areas in order to obtain a clearer understanding of the dynamics of DENV in Indonesia.
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Mulyatno KC, Kotaki T, Yotopranoto S, Rohmah EA, Churotin S, Sucipto TH, Amarullah IH, Wardhani P, Soegijanto S, Kameoka M. Detection and Serotyping of Dengue Viruses in Aedes aegypti and Aedes albopictus (Diptera: Culicidae) Collected in Surabaya, Indonesia from 2008 to 2015. Jpn J Infect Dis 2017; 71:58-61. [PMID: 29093315 DOI: 10.7883/yoken.jjid.2017.117] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Aedes aegypti and Aedes albopictus are the primary and secondary vectors, respectively, of dengue, the most important arboviral disease in the world. The aim of this study was to detect and serotype dengue viruses (DENV) in the vectors Ae. aegypti and Ae. albopictus in Surabaya, Indonesia. Between 2008 and 2015, 16,605 Aedes mosquitoes were collected in 15 sub-districts of Surabaya. Ae. aegypti was dominant (90.9%), whereas few Ae. albopictus were collected (9.1%). A total of 330 pools of adult Aedes mosquitoes were subjected to the serotyping of DENV by RT-PCR. DENV-1 (52.3%) was the most frequently detected serotype, followed by DENV-2 (40.3%), DENV-4 (4.6%), and DENV-3 (2.8%). The average minimum infection rate for Ae. aegypti in various sub-districts of Surabaya was 7.2 per 1,000 mosquitoes, while that for Ae. albopictus was 0.7 per 1,000 mosquitoes. The results showed that the predominantly circulating DENV serotype in mosquitoes continuously shifted from DENV-2 (2008) to DENV-1 (2009-2012), to DENV-2 again (2013-2014), and then back to DENV-1 (2015). The circulating DENV serotypes in mosquitoes were generally consistent with those in humans. Therefore, the surveillance of infected mosquitoes with DENV might provide an early warning sign for the risk of future dengue outbreaks.
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Affiliation(s)
- Kris Cahyo Mulyatno
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University.,Institute of Tropical Disease, Airlangga University
| | - Tomohiro Kotaki
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University.,Center of Infectious Diseases, Kobe University Graduate School of Medicine.,Department of International Health, Kobe University Graduate School of Health Sciences
| | - Subagyo Yotopranoto
- Institute of Tropical Disease, Airlangga University.,Faculty of Medicine, Airlangga University
| | | | - Siti Churotin
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University.,Institute of Tropical Disease, Airlangga University
| | - Teguh Hari Sucipto
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University.,Institute of Tropical Disease, Airlangga University
| | | | - Puspa Wardhani
- Institute of Tropical Disease, Airlangga University.,Faculty of Medicine, Airlangga University
| | - Soegeng Soegijanto
- Institute of Tropical Disease, Airlangga University.,Faculty of Medicine, Airlangga University
| | - Masanori Kameoka
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University.,Center of Infectious Diseases, Kobe University Graduate School of Medicine.,Department of International Health, Kobe University Graduate School of Health Sciences
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Wardhani P, Aryati A, Yohan B, Trimarsanto H, Setianingsih TY, Puspitasari D, Arfijanto MV, Bramantono B, Suharto S, Sasmono RT. Clinical and virological characteristics of dengue in Surabaya, Indonesia. PLoS One 2017; 12:e0178443. [PMID: 28575000 PMCID: PMC5456069 DOI: 10.1371/journal.pone.0178443] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Accepted: 05/12/2017] [Indexed: 01/28/2023] Open
Abstract
Dengue disease is still a major health problem in Indonesia. Surabaya, the second largest city in the country, is endemic for dengue. We report here on dengue disease in Surabaya, investigating the clinical manifestations, the distribution of dengue virus (DENV) serotypes, and the relationships between clinical manifestations and the genetic characteristics of DENV. A total of 148 patients suspected of having dengue were recruited during February-August 2012. One hundred one (68%) of them were children, and 47 (32%) were adults. Dengue fever (DF) and Dengue hemorrhagic fever (DHF) were equally manifested in all of the patients. We performed DENV serotyping on all of the samples using real-time RT-PCR. Of 148, 79 (53%) samples were detected as DENV positive, with DENV-1 as the predominant serotype (73%), followed by DENV-2 (8%), DENV-4 (8%), and DENV-3 (6%), while 5% were mixed infections. Based on the Envelope gene sequences, we performed phylogenetic analyses of 24 isolates to genotype the DENV circulating in Surabaya in 2012, and the analysis revealed that DENV-1 consisted of Genotypes I and IV, DENV-2 was of the Cosmopolitan genotype, the DENV-3 viruses were of Genotype I, and DENV-4 was detected as Genotype II. We correlated the infecting DENV serotypes with clinical manifestations and laboratory parameters; however, no significant correlations were found. Amino acid analysis of Envelope protein did not find any unique mutations related to disease severity.
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Affiliation(s)
- Puspa Wardhani
- Department of Clinical Pathology, School of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Institute for Tropical Diseases, Universitas Airlangga, Surabaya, Indonesia
| | - Aryati Aryati
- Department of Clinical Pathology, School of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Institute for Tropical Diseases, Universitas Airlangga, Surabaya, Indonesia
| | | | | | | | - Dwiyanti Puspitasari
- Department of Pediatric, School of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | | | - Bramantono Bramantono
- Department of Internal Medicine, School of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Suharto Suharto
- Department of Internal Medicine, School of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - R. Tedjo Sasmono
- Eijkman Institute for Molecular Biology, Jakarta, Indonesia
- * E-mail:
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Yamanaka A, Moi ML, Takasaki T, Kurane I, Konishi E. Neutralizing and enhancing antibody responses to five genotypes of dengue virus type 1 (DENV-1) in DENV-1 patients. J Gen Virol 2017; 98:166-172. [PMID: 27911254 DOI: 10.1099/jgv.0.000669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Dengue virus (DENV) has four distinct serotypes, DENV-1-4, with four to six genotypes in each serotype. The World Health Organization recommends tetravalent formulations including one genotype of each serotype as safe and effective dengue vaccines. Here, we investigated the impact of genotype on the neutralizing antibody responses to DENV-1 in humans. Convalescent sera collected from patients with primary infection of DENV-1 were examined for neutralizing antibody against single-round infectious particles of the five DENV-1 genotypes (GI-GV). In both GI- and GIV-infected patients, their neutralizing antibody titres against the five genotypes were similar, differing ≤4-fold from the homogenotypic responses. The enhancing activities against the five genotypes were also similar in these sera. Thus, the genotype strains of DENV-1 showed no significant antigenic differences in these patients, suggesting that GI- or GIV-derived vaccine antigens should induce equivalent levels of neutralizing antibodies against all DENV-1 genotypes.
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Affiliation(s)
- Atsushi Yamanaka
- BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand.,BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Meng Ling Moi
- Present address: Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan.,Department of Virology I, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Tomohiko Takasaki
- Present address: Kanagawa Prefectural Institute of Public Health, Kanagawa, Japan.,Department of Virology I, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Ichiro Kurane
- National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Eiji Konishi
- BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan.,BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand
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Molecular characterization and genotype shift of dengue virus strains between 2001 and 2014 in Guangzhou. Epidemiol Infect 2016; 145:760-765. [PMID: 27919298 PMCID: PMC5426331 DOI: 10.1017/s0950268816002429] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
We studied the evolution, genotypes, and the molecular clock of dengue virus serotype 1 (DENV-1), between 2001 and 2014 in Guangzhou, China. The analysis of the envelope (E) gene sequences of 67 DENV-1 strains isolated in Guangzhou, together with 58 representative sequences downloaded from NCBI, have shown shifts in viral genotypes. The genotype changed several times, from genotype I to IV in 2002, from IV to I in 2005, and from I to V in 2014. These genotype shifts may be the cause of DENV outbreaks. The diversity of genotypes and clades demonstrates a high risk of future outbreaks in Guangzhou. The mean rate of virus nucleotide substitution in Guangzhou was determined to be 7·77 × 10−4 per site per year, which represents a medium substitution rate compared to two other countries. Our research can point to different ancestors of the isolated strains, which may further reveal the different origins and transmission of DENV-1 strains in Guangzhou.
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Churrotin S, Kotaki T, Sucipto TH, Ahwanah NLF, Deka PT, Mulyatno KC, Utami DAP, Ranasasmita R, Soegijanto S, Kameoka M. Dengue Virus Type 1 Strain Isolated in Indonesia Shows a Close Phylogenetic Relation with the Strains That Caused the Autochthonous Dengue Outbreak in Japan in 2014. Jpn J Infect Dis 2016; 69:442-4. [PMID: 27000455 DOI: 10.7883/yoken.jjid.2015.516] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Siti Churrotin
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University
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Kotaki T, Yamanaka A, Mulyatno KC, Churrotin S, Sucipto TH, Labiqah A, Ahwanah NLF, Soegijanto S, Kameoka M, Konishi E. Divergence of the dengue virus type 2 Cosmopolitan genotype associated with two predominant serotype shifts between 1 and 2 in Surabaya, Indonesia, 2008-2014. INFECTION GENETICS AND EVOLUTION 2015; 37:88-93. [PMID: 26553170 DOI: 10.1016/j.meegid.2015.11.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 10/30/2015] [Accepted: 11/03/2015] [Indexed: 12/30/2022]
Abstract
Indonesia is one of the biggest dengue endemic countries, and, thus, is an important place to investigate the evolution of dengue virus (DENV). We have continuously isolated DENV in Surabaya, the second biggest city in Indonesia, since 2008. We previously reported sequential changes in the predominant serotype from DENV type 2 (DENV-2) to DENV type 1 (DENV-1) in November 2008 and from DENV-1 to DENV-2 in July 2013. The predominance of DENV-2 continued in 2014, but not in 2015. We herein phylogenetically investigated DENV-2 transitions in Surabaya between 2008 and 2014 to analyze the divergence and evolution of DENV-2 concomitant with serotype shifts. All DENV-2 isolated in Surabaya were classified into the Cosmopolitan genotype, and further divided into 6 clusters. Clusters 1-3, dominated by Surabaya strains, were defined as the "Surabaya lineage". Clusters 4-6, dominated by strains from Singapore, Malaysia, and many parts of Indonesia, were the "South East Asian lineage". The most recent common ancestor of these strains existed in 1988, coinciding with the time that an Indonesian dengue outbreak took place. Cluster 1 appeared to be unique because no other DENV-2 isolate was included in this cluster. The predominance of DENV-2 in 2008 and 2013-14 were caused by cluster 1, whereas clusters 2 and 3 sporadically emerged in 2011 and 2012. The characteristic amino acids of cluster 1, E-170V and E-282Y, may be responsible for its prevalence in Surabaya. No amino acid difference was observed in the envelope region between strains in 2008 and 2013-14, suggesting that the re-emergence of DENV-2 in Surabaya was due to the loss or decrease of herd immunity in the 5-year period when DENV-2 subsided. The South East Asian lineage primarily emerged in Surabaya in 2014, probably imported from other parts of Indonesia or foreign countries.
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Affiliation(s)
- Tomohiro Kotaki
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia; Center for Infectious Diseases, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan; Department of International Health, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo 654-0142, Japan.
| | - Atsushi Yamanaka
- BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand; BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan(1)
| | - Kris Cahyo Mulyatno
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Siti Churrotin
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Teguh Hari Sucipto
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Amaliah Labiqah
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Nur Laila Fitriati Ahwanah
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Soegeng Soegijanto
- Indonesia-Japan Collaborative Research Center for Emerging and Re-emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Jl, Mulyorejo, Surabaya 60115, Indonesia
| | - Masanori Kameoka
- Center for Infectious Diseases, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan; Department of International Health, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo 654-0142, Japan
| | - Eiji Konishi
- BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University, 420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand; BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan(1)
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Saito M, Tamayose M, Miyagi K, Takaragawa H, Tateyama M, Tadano M, Fujita J. Serologic and Virologic Studies of an Imported Dengue Case Occurring in 2014 in Okinawa, Japan. Jpn J Infect Dis 2015; 69:60-5. [PMID: 26073738 DOI: 10.7883/yoken.jjid.2015.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
After returning from Bali, Indonesia, in February 2014, a 72-year-old man was hospitalized in Okinawa owing to a high fever and rash. Dengue was clinically suspected, and the patient tested positive for IgM against dengue using a commercial kit. Serologically, the patient showed secondary seroreactivity. Significant increases in neutralization titers (N-titers) against all 4 serotypes of dengue virus (DENV) and Japanese encephalitis virus (JEV) strains were recognized in convalescent-phase sera comparing to acute phase sera. The N-titer against DENV serotype 1 (DENV-1) was the highest among all DENV serotypes. Interestingly, the N-titers against JEV strains were significantly higher than those against all types of DENV comparing to acute phase sera. The virus was isolated from the acute-phase serum and identified as DENV-1 and designated RD14/Okinawa. The patient's symptoms were due to DENV-1 infection. Phylogenetic sequencing analysis indicated that the isolate RD14/Okinawa belonged to genotype I of DENV-1, which is closely related to the Southeast Asian strains and isolates found during the dengue outbreak in Japan in 2014. We should undertake control measures against dengue in Okinawa, which is a subtropical area with Aedes albopictus activity throughout year.
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Affiliation(s)
- Mika Saito
- Department of Microbiology and Oncology, Graduate School of Medicine, University of the Ryukyus
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