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Wang S, Zou X, Fu J, Deng F, Yu H, Fan H, Dai Q, Shang Q, Xu K, Bao C. Genotypes and Phylogenetic Analysis of Human Adenovirus in Hospitalized Pneumonia and Influenza-Like Illness Patients in Jiangsu Province, China (2013-2021). Infect Drug Resist 2024; 17:2199-2211. [PMID: 38835492 PMCID: PMC11149707 DOI: 10.2147/idr.s456961] [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: 12/27/2023] [Accepted: 05/22/2024] [Indexed: 06/06/2024] Open
Abstract
Background Human adenovirus (HAdV) is common pathogens that cause various respiratory diseases. The genetic diversity of viruses caused by recombination is considered to be the main source of emerging outbreaks. The aim of this study is to explore the evolutionary relationship and recombination events of HAdV genome in respiratory tract infections in Jiangsu Province. Methods Whole-genome sequencing (WGS) technology was used to sequence 66 patients with HAdV infection (37 patients with influenza-like illness (ILI) and 29 hospitalized patients with pneumonia) from Jiangsu Province. Epidemiological analysis was performed on hospitalized pneumonia and ILI patients infected with HAdV. Subsequently, phylogenetic, recombination, and nucleotide and amino acid identity analyses were performed. Results Epidemiological analysis of patients undergoing WGS showed that 75.7% of ILI patients were infected with the HAdVB strain and 69.0% of hospitalized pneumonia patients were infected with the HAdVC strain. Moreover, the hospitalized pneumonia and ILI patients infected with HAdV were different in region and time. The strains of HAdVB3 and HAdVB7 genotypes were mainly infected in 2015 and 2017, and the strains of HAdVC1 and HAdVC2 genotypes were mainly infected in 2020. The results of histogram analysis showed that the HAdV strain mainly infected children under 5 years old. In addition, 36 novel recombinant strains were identified. The discovery of these recombinant strains may contribute to understanding the epidemiology of HAdV and research on related vaccines. Furthermore, the percentage of nucleotide and amino acid identities revealed a high level of genetic conservation within isolates from HAdVB3, HAdVB7, HAdVC1, HAdVC2 and HAdVC5 genotypes. Conclusion The WGS analysis reveals the evolutionary relationships and recombination events of HAdV strains in Jiangsu Province, which is helpful to deepen the understanding of HAdV epidemiology and evolution. In addition, it provides a basis for the formulation of public health strategies in Jiangsu Province.
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Affiliation(s)
- Shenjiao Wang
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
- Ili Kazakh Autonomous Prefecture Center for Disease Control and Prevention, Ili, Xinjiang, People's Republic of China
| | - Xin Zou
- Department of Infectious Diseases, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, People's Republic of China
- Chongqing Key Laboratory of Viral Infectious Diseases, Chongqing, People's Republic of China
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Jianguang Fu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Fei Deng
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Huiyan Yu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Huan Fan
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Qigang Dai
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Qingxiang Shang
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
| | - Ke Xu
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
| | - Changjun Bao
- Acute Infectious Disease Control and Prevention Institute, Jiangsu Provincial Center for Disease Control and Prevention (Jiangsu Provincial Academy of Preventive Medicine), Nanjing, Jiangsu Province, People's Republic of China
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu Province, People's Republic of China
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Liu L, Qian Y, Han Z, Jia L, Dong H, Zhao L, Zhu R. Genetic Evolution and Variation of Human Adenovirus Serotype 31 Epidemic Strains in Beijing, China, during 2010-2022. Viruses 2023; 15:1240. [PMID: 37376540 DOI: 10.3390/v15061240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Human adenovirus serotype 31 (HAdV-31) is closely associated with gastroenteritis in children and can cause fatal systemic disseminated diseases in immunocompromised patients. The lack of genomic data for HAdV-31, especially in China, will greatly limit research on its prevention and control. Sequencing and bioinformatics analyses were performed for HAdV-31 strains from diarrheal children in Beijing, China, during 2010-2022. Three capsid protein genes (hexon, penton, and fiber) were obtained in 37 cases, including one in which the whole genome was sequenced. HAdV-31 strains clustered into three distinct clades (I-III) in a phylogenetic tree constructed based on concatenated genes and the whole genome; the endemic strains only gathered into clade II, and most of the reference strains clustered into clade I. Compared with penton and hexon, fiber had a faster evolutionary rate (1.32 × 10-4 substitutions/site/year), an earlier divergence time (1697), lower homology (98.32-100% at the amino acid level), and greater genetic variation (0.0032). Four out of the six predicted positive selection pressure codons were also in the knob of fiber. These results reveal the molecular evolution characteristics and variations of HAdV-31 in Beijing, and fiber may be one of the main evolution driving forces.
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Affiliation(s)
- Liying Liu
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Yuan Qian
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Zhenzhi Han
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Liping Jia
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Huijin Dong
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Linqing Zhao
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
| | - Runan Zhu
- Laboratory of Virology, Beijing Key Laboratory of Etiology of Viral Diseases in Children, Capital Institute of Pediatrics, 2 Yabao Road, Beijing 100020, China
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Wang C, Liu J, Mi Y, Chen J, Bi J, Chen Y. Clinical features and epidemiological analysis of respiratory human adenovirus infection in hospitalized children: a cross-sectional study in Zhejiang. Virol J 2021; 18:234. [PMID: 34844615 PMCID: PMC8628464 DOI: 10.1186/s12985-021-01705-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 11/17/2021] [Indexed: 11/26/2022] Open
Abstract
Background HAdV is one of the common pathogens in hospitalized children with acute respiratory infections (ARIs). We aim to describe the clinical and laboratory features, epidemiological characteristics, and HAdV species and/or types of inpatients with HAdV respiratory infections. Methods Respiratory samples were gathered from inpatients diagnosed ARIs in Children’s Hospital, Zhejiang University School of Medicine, and were detected by using Direct Immunofluorescence Assay from 2018 to 2019. PCR amplification and sequencing of the hypervariable zone of hexon gene were used for genotyping. The clinical and laboratory features, and HAdV genotyping, and epidemiological characteristic analysis were retrospectively performed. Results Of 7072 samples collected, 488 were identified as HAdV-positive. The overall detection rate was 6.9%. The peaked detection rate was 14.1% in January 2019. HAdV-positive cases with ARIs mainly appeared in winter. The detection rate was highest among children between 6 months and 2 years (8.7%, 123/1408). Clinical diagnosis included pneumonia (70.3%, 343/488), bronchitis (7.0%, 34/488) and acute upper respiratory tract infection (22.7%, 111/488). The common clinical manifestations were fever (93.4%, 456/488), cough (94.7%, 462/488), wheezing (26.2%, 128/488), and shortness of breath (14.8%, 72/488). 213 (43.6%) cases had co-infection and 138 (28.3%) cases had extrapulmonary symptoms. 96(19.7%) cases had intrapulmonary and intrathoracic complications.78 (16.0%) had an underlying condition, most of which were congenital heart diseases (20.5%, 16/78). The proportions of hyperpyrexia, duration of fever > 10 days, severe pneumonia, and wheezing in the co-infection group were remarkably higher than those in HAdV single-infection group (all p < 0.05). The proportions of duration of hospitalization, duration of fever > 10 days, wheezing, shortness of breath, change in level of consciousness, serosal fluids, extrapulmonary symptoms, co-infections and underlying diseases were significantly higher in severe pneumonia group than those in the mild pneumonia group (all p < 0.05). Four HAdV species were successfully identified in 155 cases and presented by 8 genotypes. HAdV-B3 (56.1%, 87/155) and HAdV -B7 (31.0%, 48/155) were the most predominant detected types and occurred commonly in different severity groups (p = 0.000), while, HAdV-B55 was detected only in the severe group. HAdV-B7’s detection rate in the severe pneumonia group was significantly higher than the non-severe pneumonia group. Conclusion HAdV detection rate is related to age and season. Bronchopneumonia accounts for about 70% HAdV-positive inpatients. The common clinical manifestations include hyperpyrexia, cough, wheezing, and shortness of breath. HAdV-B3 and HAdV-B7 are the most common types in children diagnosed with respiration infections.
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Affiliation(s)
- Caiyun Wang
- Department of Infectious Disease, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China.
| | - Juanjuan Liu
- Department of Infectious Disease, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yumei Mi
- Department of Infectious Disease, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China
| | - Jing Chen
- Department of Infectious Disease, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China
| | - Jing Bi
- Department of Otolaryngology-Head and Neck Surgery, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China
| | - Yinghu Chen
- Department of Infectious Disease, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, 3333 Binsheng Road, Hangzhou, 310052, China
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Wen S, Lin Z, Zhang Y, Lv F, Li H, Zhang X, Lin L, Zhu HH, Xu Z, Li C, Zhang H. The Epidemiology, Molecular, and Clinical of Human Adenoviruses in Children Hospitalized With Acute Respiratory Infections. Front Microbiol 2021; 12:629971. [PMID: 33664719 PMCID: PMC7921318 DOI: 10.3389/fmicb.2021.629971] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/27/2021] [Indexed: 12/19/2022] Open
Abstract
Introduction Human adenovirus (HAdV) is a common pathogen in children with acute respiratory infections (ARIs). The aim was to describe the epidemiology, molecular, and clinical characteristics of HAdV among children hospitalized with ARIs in Wenzhou in southeastern China. Methodology From January 2018 to December 2019, nasopharyngeal swab or sputum specimens were prospectively collected from hospitalized children with ARIs. HAdV was detected using direct immunofluorescence. We used a multiplex PCR assay combined with capillary electrophoresis targeting the hexon gene’s hypervariable region to identify HAdV types 1, 2, 3, 4, 5, 7, 14, 21, 37, 40, 41, and 55. We analyzed the epidemiological, molecular, and clinical data according to the HAdV type. Results HAdVs were detected in 1,059 (3.5%) of the total of 30,543 children tested. A total of 947 cases with monotype HAdV identified by the PCR assay were included in the analysis. HAdV-3 (415/947, 43.8%), HAdV-7 (318/947, 33.6%), HAdV-2 (108/947, 11.4%), and HAdV-1 (70/947, 7.4%) were the predominant types. Of the 550 (58.1%) cases detected from December 2018 to August 2019, HAdV-3, and HAdV-7 were the main types. The main diagnoses included 358 cases of pneumonia, 232 cases of tonsillitis, 198 cases of bronchitis, and 159 cases of upper respiratory tract infection (URTI). Among children with pneumonia the main types were HAdV-7 (51.1%), HAdV-3 (36.9%), and HAdV-1 (2.2%). Among children with bronchitis, the main types were HAdV-3 (48.0%), HAdV-7 (28.3%), and HAdV-2 (10.6%). Among children with URTIs, the main types were HAdV-3 (49.7%), HAdV-7 (22.6%), and HAdV-2 (13.2%). Among children with tonsillitis, the main types were HAdV-3 (47.4%), HAdV-2 (22.4%), and HAdV-7 (18.5%). In total, 101 (55.2%) patients required supplemental oxygen, 15 (8.2%) required critical care, and 1 child (0.5%) with HAdV-7 pneumonia died. Conclusion HAdV-3 -7, -2, and -1 were the predominant types identified in hospitalized children with ARIs in Wenzhou. From December 2018 to August 2019, there were outbreaks of HAdV-3 and -7. There were significant differences in HAdV types among children with pneumonia, tonsillitis, bronchitis, and URTI. HAdV-7 can cause more severe pneumonia in children than HAdV-3.
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Affiliation(s)
- Shunhang Wen
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Zupan Lin
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yue Zhang
- Department of Pediatrics, The Third Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Fangfang Lv
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Haiyan Li
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xueya Zhang
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Li Lin
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Hui-Hui Zhu
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Zhi Xu
- Ningbo Health Gene Technologies Ltd., Ningbo, China
| | - Changchong Li
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Hailin Zhang
- Department of Children's Respiration Disease, The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
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Kimprasit T, Nunome M, Iida K, Murakami Y, Wong ML, Wu CH, Kobayashi R, Hengjan Y, Takemae H, Yonemitsu K, Kuwata R, Shimoda H, Si L, Sohn JH, Asakawa S, Ichiyanagi K, Maeda K, Oh HS, Mizutani T, Kimura J, Iida A, Hondo E. Dispersal history of Miniopterus fuliginosus bats and their associated viruses in east Asia. PLoS One 2021; 16:e0244006. [PMID: 33444317 PMCID: PMC7808576 DOI: 10.1371/journal.pone.0244006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 12/02/2020] [Indexed: 12/23/2022] Open
Abstract
In this study, we examined the role of the eastern bent-winged bat (Miniopterus fuliginosus) in the dispersion of bat adenovirus and bat alphacoronavirus in east Asia, considering their gene flows and divergence times (based on deep-sequencing data), using bat fecal guano samples. Bats in China moved to Jeju Island and/or Taiwan in the last 20,000 years via the Korean Peninsula and/or Japan. The phylogenies of host mitochondrial D-loop DNA was not significantly congruent with those of bat adenovirus (m2XY = 0.07, p = 0.08), and bat alphacoronavirus (m2XY = 0.48, p = 0.20). We estimate that the first divergence time of bats carrying bat adenovirus in five caves studied (designated as K1, K2, JJ, N2, and F3) occurred approximately 3.17 million years ago. In contrast, the first divergence time of bat adenovirus among bats in the 5 caves was estimated to be approximately 224.32 years ago. The first divergence time of bats in caves CH, JJ, WY, N2, F1, F2, and F3 harboring bat alphacoronavirus was estimated to be 1.59 million years ago. The first divergence time of bat alphacoronavirus among the 7 caves was estimated to be approximately 2,596.92 years ago. The origin of bat adenovirus remains unclear, whereas our findings suggest that bat alphacoronavirus originated in Japan. Surprisingly, bat adenovirus and bat alphacoronavirus appeared to diverge substantially over the last 100 years, even though our gene-flow data indicate that the eastern bent-winged bat serves as an important natural reservoir of both viruses.
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Affiliation(s)
- Thachawech Kimprasit
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Mitsuo Nunome
- Avian Bioscience Research Center, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Keisuke Iida
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | | | - Min-Liang Wong
- Department of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chung-Hsin Wu
- Department of Life Science, National Taiwan Normal University, Taipei, Taiwan
| | - Ryosuke Kobayashi
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Yupadee Hengjan
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Hitoshi Takemae
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Kenzo Yonemitsu
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Ryusei Kuwata
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Hiroshi Shimoda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Lifan Si
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Joon-Hyuk Sohn
- Laboratory of Anatomy and Cell Biology and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Susumu Asakawa
- Laboratory of Soil Biology and Chemistry, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Kenji Ichiyanagi
- Laboratory of Genome and Epigenome Dynamics, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Ken Maeda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Hong-Shik Oh
- Institute of Science Education, Jeju National University, Jeju, Korea
| | - Tetsuya Mizutani
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Junpei Kimura
- Laboratory of Anatomy and Cell Biology and Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Atsuo Iida
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Eiichi Hondo
- Laboratory of Animal Morphology, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
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Vanderburg S, Wijayaratne G, Danthanarayana N, Jayamaha J, Piyasiri B, Halloluwa C, Sheng T, Amarasena S, Kurukulasooriya R, Nicholson BP, Peiris JSM, Gray GC, Gunasena S, Nagahawatte A, Bodinayake CK, Woods CW, Devasiri V, Tillekeratne LG. Outbreak of severe acute respiratory infection in Southern Province, Sri Lanka in 2018: a cross-sectional study. BMJ Open 2020; 10:e040612. [PMID: 33158834 PMCID: PMC7651749 DOI: 10.1136/bmjopen-2020-040612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVES To determine aetiology of illness among children and adults presenting during outbreak of severe respiratory illness in Southern Province, Sri Lanka, in 2018. DESIGN Prospective, cross-sectional study. SETTING 1600-bed, public, tertiary care hospital in Southern Province, Sri Lanka. PARTICIPANTS 410 consecutive patients, including 371 children and 39 adults, who were admitted with suspected viral pneumonia (passive surveillance) or who met case definition for acute respiratory illness (active surveillance) in May to June 2018. RESULTS We found that cocirculation of influenza A (22.6% of cases), respiratory syncytial virus (27.8%) and adenovirus (AdV) (30.7%; type B3) was responsible for the outbreak. Mortality was noted in 4.5% of paediatric cases identified during active surveillance. Virus type and viral coinfection were not significantly associated with mortality. CONCLUSIONS This is the first report of intense cocirculation of multiple respiratory viruses as a cause of an outbreak of severe acute respiratory illness in Sri Lanka, and the first time that AdV has been documented as a cause of a respiratory outbreak in the country. Our results emphasise the need for continued vigilance in surveying for known and emerging respiratory viruses in the tropics.
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Affiliation(s)
- Sky Vanderburg
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
- Medicine, University of California San Francisco School of Medicine, San Francisco, California, USA
| | | | | | - Jude Jayamaha
- Medical Research Institute Sri Lanka, Colombo, Sri Lanka
| | | | | | - Tianchen Sheng
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
- Duke Global Health Institute, Durham, North Carolina, USA
| | | | | | | | | | - Gregory C Gray
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
- Duke Global Health Institute, Durham, North Carolina, USA
| | | | - Ajith Nagahawatte
- Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka
- Duke Global Health Institute, Durham, North Carolina, USA
| | - Champica K Bodinayake
- Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka
- Duke Global Health Institute, Durham, North Carolina, USA
| | - Christopher W Woods
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
- Duke Global Health Institute, Durham, North Carolina, USA
| | | | - L Gayani Tillekeratne
- Medicine, Duke University School of Medicine, Durham, North Carolina, USA
- Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka
- Duke Global Health Institute, Durham, North Carolina, USA
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Lakshmi Narayan PK, Kajon AE. Human mastadenovirus-B (HAdV-B)-specific E3-CR1β and E3-CR1γ glycoproteins interact with each other and localize at the plasma membrane of non-polarized airway epithelial cells. Virology 2020; 546:67-78. [PMID: 32452418 PMCID: PMC7158847 DOI: 10.1016/j.virol.2020.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/20/2020] [Accepted: 04/06/2020] [Indexed: 11/23/2022]
Abstract
The E3 region of all simian and human types classified within species Human mastadenovirus B (HAdV-B) encodes two unique highly conserved ORFs of unknown function designated E3-CR1β and E3-CR1γ. We generated a HAdV-3 mutant encoding small epitope tags at the N-termini of both E3-CR1β and E3-CR1γ (HAdV-3 N-tag wt) and a double knock out (HAdV-3 N-tag DKO) mutant virus that does not express either protein. Our studies show that HAdV-3 E3-CR1β and E3-CR1γ are type I transmembrane proteins that are produced predominantly at late times post infection, are glycosylated, co-localize at the plasma membrane of non-polarized epithelial cells, and interact with each other. At their extreme C-termini HAdV-B E3-CR1β and E3-CR1γ possess a conserved di-leucine motif followed by a class II PDZ domain binding motif (PBM). HAdV-3 E3-CR1β and E3-CR1γ are dispensable for virus growth, progeny release, spread, and plaque formation in A549 cells. HAdV-B E3-CR1β and E3-CR1γ are type I transmembrane proteins. HAdV-B E3-CR1β and E3-CR1γ possess a C-terminal class II PDZ binding motif. HAdV-3 E3-CR1β and E3-CR1γ interact and co-localize at the plasma membrane. HAdV-3 E3-CR1β and E3-CR1γ are dispensable for virus progeny release and spread.
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Affiliation(s)
| | - Adriana E Kajon
- Infectious Disease Program, Lovelace Respiratory Research Institute, Albuquerque, NM, USA.
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8
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Cai R, Mao N, Dai J, Xiang X, Xu J, Ma Y, Li Z, Han G, Yu D, Yin J, Cui A, Zhang Y, Li H, Yu P, Guan L, Tian Y, Sun L, Li Y, Wei Y, Zhu Z, Xu W. Genetic variability of human adenovirus type 7 circulating in mainland China. PLoS One 2020; 15:e0232092. [PMID: 32352995 PMCID: PMC7192419 DOI: 10.1371/journal.pone.0232092] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/07/2020] [Indexed: 12/21/2022] Open
Abstract
Human adenovirus (HAdV-7) is a highly contagious pathogen that causes severe respiratory illnesses. However, the epidemic patterns and genetic variability of HAdV-7 circulating in mainland China have not been well elucidated. In this study, we used Chinese HAdV sentinel surveillance data obtained from 2012-2015 to investigate the clinical features of 122 HAdV-7-positive cases and performed amplification and sequence determination of three capsid genes (penton base, hexon, and fiber) from 69 isolated viruses covering from seven provinces of China. Additionally, we compared with data from representative sequences of 21 strains covering seven more provinces in China and 32 international HAdV-7 strains obtained from GenBank database to determine the phylogenetic, sequence variations, and molecular evolution of HAdV-7. The results indicated that HAdV-7 infection occurred throughout the year, and a high proportion of severe cases (27 cases, 22.1%) exhibited infantile pneumonia. Moreover, phylogenetic analysis showed that all HAdV-7 strains could be divided into two major evolutionary branches, including subtype 1 and subtype 2, and subtype 3 was also formed according to analysis of the penton base gene. Subtypes 1 and 2 co-circulated in China before 2008, and HAdV-7 strains currently circulating in China belonged to subtype 2, which was also the predominant strain circulating worldwide in recent years. Further sequence variation analysis indicated that three genes of HAdV-7 were relatively stable across time and geographic space, particularly for viruses within subtypes, which shared almost the same variation sites. Owing to continuous outbreaks caused by HAdV-7, resulting in increased illness severity and fatality rates in China, the establishment of a national HAdV surveillance system is urgently needed for the development of effective preventive and infection-control interventions for adenovirus respiratory infections in China.
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Affiliation(s)
- Ru Cai
- Medical School, Anhui University of Science and Technology, Huainan city, Anhui province, People’s Republic of China
| | - Naiying Mao
- NHC Key Laboratory of Medical Virology Ministry of Health, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
| | - Jingjing Dai
- Medical School, Anhui University of Science and Technology, Huainan city, Anhui province, People’s Republic of China
- Department of Medical Laboratory, the Affiliated Huai’an No. 1 People’s Hospital of Nanjing Medical University, Huai’an city, Jiangsu province, People’s Republic of China
| | - Xingyu Xiang
- Hunan Provincial Center for Disease Control and Prevention, Changsha city, Hunan province, People’s Republic of China
| | - Jing Xu
- Shaanxi Provincial Center for Disease Control and Prevention, Xi’an city, Shaanxi province, People’s Republic of China
| | - Yingwei Ma
- Changchun Children’s Hospital, Changchun city, Jilin province, People’s Republic of China
| | - Zhong Li
- Shandong Provincial Center for Disease Control and Prevention, Jinan city, Shandong province, People’s Republic of China
| | - Guangyue Han
- Hebei Provincial Center for Disease Control and Prevention, Shijiazhuang city, Hebei province, People’s Republic of China
| | - Deshan Yu
- Gansu Provincial Center for Disease Control and Prevention, Lanzhou city, Gansu province, People’s Republic of China
| | - Jie Yin
- Yunnan Provincial Center for Disease Control and Prevention, Kunming city, Yunnan province, People’s Republic of China
| | - Aili Cui
- NHC Key Laboratory of Medical Virology Ministry of Health, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
| | - Yan Zhang
- NHC Key Laboratory of Medical Virology Ministry of Health, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
| | - Hong Li
- Medical School, Anhui University of Science and Technology, Huainan city, Anhui province, People’s Republic of China
- The Affiliated Hospital of Southwest Medical University, Luzhou city, Sichuan province, People’s Republic of China
| | - Pengbo Yu
- Shaanxi Provincial Center for Disease Control and Prevention, Xi’an city, Shaanxi province, People’s Republic of China
| | - Luyuan Guan
- Shaanxi Provincial Center for Disease Control and Prevention, Xi’an city, Shaanxi province, People’s Republic of China
| | - Yuling Tian
- Changchun Children’s Hospital, Changchun city, Jilin province, People’s Republic of China
| | - Liwei Sun
- Changchun Children’s Hospital, Changchun city, Jilin province, People’s Republic of China
| | - Yan Li
- Hebei Provincial Center for Disease Control and Prevention, Shijiazhuang city, Hebei province, People’s Republic of China
| | - Yamei Wei
- Hebei Provincial Center for Disease Control and Prevention, Shijiazhuang city, Hebei province, People’s Republic of China
| | - Zhen Zhu
- NHC Key Laboratory of Medical Virology Ministry of Health, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
- * E-mail: (ZZ); (WX)
| | - Wenbo Xu
- Medical School, Anhui University of Science and Technology, Huainan city, Anhui province, People’s Republic of China
- NHC Key Laboratory of Medical Virology Ministry of Health, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
- * E-mail: (ZZ); (WX)
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9
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Zhao MC, Guo YH, Qiu FZ, Wang L, Yang S, Feng ZS, Li GX. Molecular and clinical characterization of human adenovirus associated with acute respiratory tract infection in hospitalized children. J Clin Virol 2019; 123:104254. [PMID: 31901884 PMCID: PMC7106522 DOI: 10.1016/j.jcv.2019.104254] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 12/01/2019] [Accepted: 12/21/2019] [Indexed: 01/22/2023]
Abstract
3.71% of children with ARTI exhibited HAdV positive. HAdV-2, HAdV-3 and HAdV-7 were the predominant types identified from ARTI children. 74.85% of HAdV were co-detected with other respiratory pathogens, most commonly HRV. The co-detection rate of HAdV-C was significant higher than those of HAdV-B. HAdV-7 positive children may not present more severe clinical outcome.
Background Human adenovirus (HAdV) is a common pathogen in children that can cause acute respiratory tract infection (ARTI), but the molecular epidemiological and clinical information relating to HAdV among hospitalized children with ARTI are few reported in China. Objectives To evaluate the epidemiological, clinical, and molecular characteristics of HAdV infections among hospitalized children with ARTI in Hebei, Northern China from June 2017 to May 2018. Study design A 12-month longitudinal, retrospective study on HAdV, typed by nested polymerase chain reaction targeting the hexon gene’s hypervariable region (typing was merely performed by sequencing of the hexon neutralization epitope and thus genotypes could not be identified unequivocally), associated with ARTI was performed. The epidemiological and clinical data of different types of HAdV were analyzed using statistical product and service solutions (SPSS) 21.0 software. Results HAdV was detected in 330 (3.71%) of the 8906 specimens, with most (88.48%, 292/330) HAdV-positives cases detected among children < 3 years old. HAdV were detected throughout the year with a higher prevalence in spring. 11 types were identified, with HAdV-2 (33.33%, 110/330) as the predominant type, followed by HAdV-3 (21.21%, 70/330) and HAdV-7 (13.94%, 46/330). Of the 330 HAdV-positive specimens, 247 (74.85%) were co-detected with other respiratory pathogens, most commonly rhinovirus (HRV) (58.7%, 145/247). Additionally, patients with HAdV-7 positive had longer duration of fever than HAdV-2 or -3 positive patients. Conclusions During the study period, HAdV-2, HAdV-3 and HAdV-7 were the predominant types identified from children with ARTI in Hebei Province. Pediatric patients with HAdV-7 positive may not present more severe clinical outcome except a longer duration of fever.
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Affiliation(s)
- Meng-Chuan Zhao
- Institute of Pediatric Research, Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, 133 Jianhua South Street, Shijiazhuang, Hebei Province, 050031, China.
| | - Ying-Hui Guo
- Institute of Pediatric Research, Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, 133 Jianhua South Street, Shijiazhuang, Hebei Province, 050031, China.
| | - Fang-Zhou Qiu
- Department of Laboratory Medicine, Tianjin Children's Hospital, 238 Longyan Road, Tianjin, 30074, China.
| | - Le Wang
- Institute of Pediatric Research, Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, 133 Jianhua South Street, Shijiazhuang, Hebei Province, 050031, China.
| | - Shuo Yang
- Institute of Pediatric Research, Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, 133 Jianhua South Street, Shijiazhuang, Hebei Province, 050031, China.
| | - Zhi-Shan Feng
- Department of Laboratory Medicine, People's Hospital of Hebei Province, 384 Heping West Road, Shijiazhuang, Hebei Province, 050051, China.
| | - Gui-Xia Li
- Institute of Pediatric Research, Children's Hospital of Hebei Province, Affiliated to Hebei Medical University, 133 Jianhua South Street, Shijiazhuang, Hebei Province, 050031, China.
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10
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Shen CF, Wang SM, Wang JR, Hu YS, Ho TS, Liu CC. Comparative study of clinical and epidemiological characteristics of major pediatric adenovirus epidemics in southern Taiwan. BMC Infect Dis 2019; 19:681. [PMID: 31370781 PMCID: PMC6676611 DOI: 10.1186/s12879-019-4305-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 07/23/2019] [Indexed: 01/20/2023] Open
Abstract
Background Human adenoviruses (HAdV) are important pathogens of pediatric respiratory tract infections in Taiwan. There were two major HAdV epidemics in southern Taiwan in 2011 and 2014, respectively. Methods The demographic, clinical characteristics, and risk factors for hospitalization of pediatric patients with HAdV infection in the two outbreaks were retrospectively compared. The epidemic was defined as > 7% HAdV detection rate for six consecutive weeks. HAdV infection was defined as positive HAdV isolates from respiratory tract specimens. HAdV genotype was determined by PCR-based hexon gene sequencing. Results A total of 1145 pediatric patients were identified (635 cases in 2011; 510 cases in 2014). HAdV genotype 3 and 7 contributed to both epidemics, although the proportion of HAdV3 decreased significantly (64.7% in 2011 to 25.5% in 2014, p < 0.001) and was replaced by other genotypes (type 1, 4, and 6) in the 2014 epidemic. Among the hospitalized patients, there were more patients hospitalized with bronchopneumonia/or pneumonia in the 2011 epidemic (10.6% vs 5.1%, p < 0.001), while more patients hospitalized with acute pharyngitis/pharyngoconjunctival fever (63.9% vs. 38.6%, p < 0.001) in the 2014 epidemic. In both epidemics, hospitalized patients had higher WBC and C-reactive protein (CRP) levels than non-hospitalized patients. Using multivariate regression analysis, underlying disease and elevated CRP levels were independent risk factors for hospitalization in both epidemics. Conclusion There were significant differences in clinical, viral characteristics and risk factors of hospitalization between the 2011 and 2014 epidemics. Understanding changes in the epidemiological and clinical characteristics of HAdV epidemics is important from a public health perspective.
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Affiliation(s)
- Ching-Fen Shen
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan
| | - Shih-Min Wang
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.,Department of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.,Center of Infectious Disease and Signaling Research, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan
| | - Jen-Ren Wang
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.,Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.,Center of Infectious Disease and Signaling Research, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan
| | - Yu-Shiang Hu
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan
| | - Tzong-Shiann Ho
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.,Department of Emergency Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan
| | - Ching-Chuan Liu
- Department of Pediatrics, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan. .,Center of Infectious Disease and Signaling Research, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, 138, Sheng Li Road, North Dist, Tainan, 70403, Taiwan.
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11
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Wang RH, Zhang H, Zhang Y, Li XN, Shen XX, Qi JJ, Fan GH, Xiang XY, Zhan ZF, Chen ZW, Ma XJ. Development and evaluation of recombinase-aided amplification assays incorporating competitive internal controls for detection of human adenovirus serotypes 3 and 7. Virol J 2019; 16:86. [PMID: 31262315 PMCID: PMC6604330 DOI: 10.1186/s12985-019-1178-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 05/14/2019] [Indexed: 12/20/2022] Open
Abstract
Background Human adenoviruses are a common group of viruses that cause acute infectious diseases. Human adenovirus (HAdV) 3 and HAdV 7 cause major outbreaks of severe pneumonia. A reliable and practical method for HAdV typing in clinical laboratories is lacking. A simple, rapid and accurate molecular typing method for HAdV may facilitate clinical diagnosis and epidemiological control. Methods We developed and evaluated duplex real-time recombinase-aided amplification (RAA) assays incorporating competitive internal controls for detection of HAdV 3 and HAdV 7, respectively. The assays were performed in a one-step in a single tube reaction at 39° for 20 min. Results The analytical sensitivities of the duplex RAA assays for HAdV 3 and HAdV 7 were 5.0 and 14.8 copies per reaction, respectively (at 95% probability by probit regression analysis). No cross-reaction was observed with other types of HAdV or other common respiratory viruses. The duplex RAA assays were used to detect 152 previously-defined HAdV-positive samples. These results agreed with those obtained using a published triplex quantitative real-time PCR protocol. Conclusions We provide the first report of internally-controlled duplex RAA assays for the detection of HAdV 3 and HAdV 7. These assays effectively reduce the rate of false negative results and may be valuable for detection of HAdV 3 and HAdV 7 in clinical laboratories, especially in resource-poor settings.
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Affiliation(s)
- Rui-Huan Wang
- University of South China, College of Public Health, No. 28, West Changsheng Street, Hengyang, 421001, Hunan, China.,Hunan Provincial Center for Disease Control and Prevention, No. 450, Furong Street, Changsha, 410005, Hunan, China.,NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Hong Zhang
- University of South China, College of Public Health, No. 28, West Changsheng Street, Hengyang, 421001, Hunan, China. .,Hunan Provincial Center for Disease Control and Prevention, No. 450, Furong Street, Changsha, 410005, Hunan, China.
| | - Yi Zhang
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Xin-Na Li
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Xin-Xin Shen
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Ju-Ju Qi
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Guo-Hao Fan
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China
| | - Xing-Yu Xiang
- Hunan Provincial Center for Disease Control and Prevention, No. 450, Furong Street, Changsha, 410005, Hunan, China
| | - Zhi-Fei Zhan
- Hunan Provincial Center for Disease Control and Prevention, No. 450, Furong Street, Changsha, 410005, Hunan, China
| | - Zi-Wei Chen
- The Third Xiangya Hospital of Central South University, 138 Tongzipo Road, Yuelu District, Changsha City, 410013, Hunan Province, China
| | - Xue-Jun Ma
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155, Changbai Street, Changping District, Beijing, 102206, China.
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12
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Sun J, Xiao Y, Zhang M, Ao T, Lang S, Wang J. Serum Inflammatory Markers in Patients with Adenovirus Respiratory Infection. Med Sci Monit 2018; 24:3848-3855. [PMID: 29877315 PMCID: PMC6020746 DOI: 10.12659/msm.910692] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background The aim of this study was to characterize adenovirus-associated acute respiratory infection (ARI) and observe correlations between inflammatory markers and severity of human adenovirus type 7 (HAdV-7) infection, and to evaluate the potential of inflammatory markers to predict progression from upper-respiratory infection (URI) to adenovirus pneumonia (AdP). Material/Methods A total of 81 patients with adenovirus-associated ARI and confirmed HAdV-7 infection were enrolled. Cases were classified according to severity, as AdP and URI. Demographic and clinical data were collected retrospectively. Clinical features and serum inflammatory markers were evaluated and compared according to the severity of adenoviral infection. Results We observed high-grade fever and strong inflammatory response in patients with HAdV-7–associated ARI. Procalcitonin (PCT), interleukin 6 (IL-6), and C-reactive protein concentrations were higher in patients with AdP than in those with URI. The mean erythrocyte sedimentation rate (ESR) was significantly higher in patients with AdP (p=0.008). Reduced serum prealbumin levels were observed in patients with HAdV-7 infection. In the analysis of URI to AdP prediction ability, areas under the curve (AUCs) for all inflammatory markers were <0.9. We found that 35.9% of pneumonia had ≥2 lobars of lung infiltrate and bilateral lung infiltrate, and 20% of patients with SP had pleural effusion and atelectasis. Conclusions IL-6 and ESR were associated with the severity of HAdV-7 respiratory infection. No inflammatory marker in our study predicted URI-to-AdP progression accurately. Lung infiltration and consolidation are common in HRCT in AdP. Multiple- or single-lobar/segment consolidation was most common in SP. SP progressed very quickly after onset.
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Affiliation(s)
- Junping Sun
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
| | - Yongjiu Xiao
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
| | - Mingyue Zhang
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
| | - Ting Ao
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
| | - Shan Lang
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
| | - Jianxin Wang
- Department of Respiratory Medicine, People's Liberation Army General Hospital, Beijing, China (mainland)
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13
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Qiu FZ, Shen XX, Zhao MC, Zhao L, Duan SX, Chen C, Qi JJ, Li GX, Wang L, Feng ZS, Ma XJ. A triplex quantitative real-time PCR assay for differential detection of human adenovirus serotypes 2, 3 and 7. Virol J 2018; 15:81. [PMID: 29716642 PMCID: PMC5930744 DOI: 10.1186/s12985-018-0983-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/11/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Human adenovirus (HAdV) serotypes 2, 3 and 7 are more prevalent than other serotypes and have been associated with severe pneumonia in pediatric children. Molecular typing of HAdV is not routinely performed in clinical diagnostic laboratories as it is time-consuming and labor-intensive. METHODS In the present study, we developed a triplex quantitative real-time PCR assay (tq-PCR) in a single closed tube for differential detection and quantitative analysis of HAdV serotypes 2, 3 and 7. The sensitivity, specificity, reproducibility and clinical performance of tq-PCR were evaluated. RESULTS The analytical sensitivity of the tq-PCR was 100 copies/reaction for each of HAdV serotypes 2, 3 and 7, and no cross-reaction with other common respiratory viruses or HAdV serotypes 1,4,5,6,31,55 and 57 was observed. The coefficients of variation (CV) of intra-assay and inter-assay were between 0.6% to 3.6%. Of 138 previously-defined HAdV-positive nasopharyngeal aspirates samples tested, the detection agreement between tq-PCR and nested PCR was 96.38% (133/138). CONCLUSION The proposed tq-PCR assay is a sensitive, specific and reproducible method and has the potential for clinical use in the rapid and differential detection and quantitation of HAdV serotypes 2, 3 and 7.
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Affiliation(s)
- Fang-Zhou Qiu
- Hebei Medical University, Shijiazhuang, 050031, Hebei, China.,Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China
| | - Xin-Xin Shen
- Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China
| | - Meng-Chuan Zhao
- Children's Hospital of Hebei Province, Shijiazhuang, 050031, Hebei, China
| | - Li Zhao
- Hebei Medical University, Shijiazhuang, 050031, Hebei, China.,Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China
| | - Su-Xia Duan
- Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China.,Children's Hospital of Hebei Province, Shijiazhuang, 050031, Hebei, China
| | - Chen Chen
- Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China
| | - Ju-Ju Qi
- Hebei Medical University, Shijiazhuang, 050031, Hebei, China.,Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China
| | - Gui-Xia Li
- Children's Hospital of Hebei Province, Shijiazhuang, 050031, Hebei, China
| | - Le Wang
- Children's Hospital of Hebei Province, Shijiazhuang, 050031, Hebei, China
| | - Zhi-Shan Feng
- Children's Hospital of Hebei Province, Shijiazhuang, 050031, Hebei, China.
| | - Xue-Jun Ma
- Key Laboratory for Medical Virology, National Health and Family Planning Commission, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, No. 155 Changbai Street, Chang ping District, Beijing, 102206, China.
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14
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Haque E, Banik U, Monowar T, Anthony L, Adhikary AK. Worldwide increased prevalence of human adenovirus type 3 (HAdV-3) respiratory infections is well correlated with heterogeneous hypervariable regions (HVRs) of hexon. PLoS One 2018; 13:e0194516. [PMID: 29590206 PMCID: PMC5874027 DOI: 10.1371/journal.pone.0194516] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 03/05/2018] [Indexed: 12/21/2022] Open
Abstract
Human adenovirus type 3 (HAdV-3) respiratory infections occurs worldwide in both children and adults, leading to severe morbidity and mortality, particularly in the paediatric age group and especially in neonates. During HAdV infection, neutralizing antibodies are formed against the epitopes located in the hyper variable regions (HVRs) of the hexon protein. These neutralizing antibodies provide protection against reinfection by viruses of the same type. Therefore it is reasonable to speculate that variations of HAdV-3 in the HVRs could impair the immunity acquired by previous infection with a different strain with variation in its HVRs. HAdV-3 has recently become the major agent of acute respiratory infection worldwide, being responsible for 15% to 87% of all adenoviral respiratory infections. However, despite the increased prevalence of HAdV-3 as respiratory pathogen, the diversity of hexon proteins in circulating strains remains unexplored. This study was designed to explore the variation in HVRs of hexon among globally distributed strains of HAdV-3 as well as to discover possible relationship among them, thus possibly shedding light on the cause for the increased prevalence of HAdV-3. In this study, for the first time we analysed the hexon proteins of all 248 available strains of HAdV-3 from the NCBI database and compared them with those of the HAdV-3 prototype (GB stain). We found that the HVRs of HAdV-3 strains circulating worldwide were highly heterogeneous and have been mutating continuously since -their original isolation. Based on their immense heterogeneity, the strains can be categorized into 25 hexon variants (3Hv-1 to 3Hv-25), 4 of which (3Hv-1 to 3Hv-4) comprises 80% of the strains. This heterogeneity may explain why HAdV-3 has become the most prevalent HAdVs type worldwide. The heterogeneity of hexon proteins also shows that the development of a vaccine against HAdV-3 might be challenging. The data on hexon variants provided here may be useful for the future epidemiological study of HAdV-3 infection.
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Affiliation(s)
- Ezazul Haque
- Unit of Microbiology, AIMST University, Faculty of Medicine, Jalan Bedong Semeling, Bedong, Kedah, Malaysia
| | - Urmila Banik
- Unit of Pathology, AIMST University, Faculty of Medicine, Jalan Bedong Semeling, Bedong, Kedah, Malaysia
| | - Tahmina Monowar
- Unit of Microbiology, AIMST University, Faculty of Medicine, Jalan Bedong Semeling, Bedong, Kedah, Malaysia
| | - Leela Anthony
- Unit of Community Medicine, AIMST University, Faculty of Medicine, Jalan Bedong Semeling, Bedong, Kedah, Malaysia
| | - Arun Kumar Adhikary
- Unit of Microbiology, AIMST University, Faculty of Medicine, Jalan Bedong Semeling, Bedong, Kedah, Malaysia
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15
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Niu Y, Sun Q, Zhu M, Zhao J, Zhang G, Liu X, Xiao Y, Liu S. Molecular epidemiology and phylogenetic analysis of fowl adenoviruses caused hydropericardium outbreak in China during 2015. Poult Sci 2018; 97:803-811. [DOI: 10.3382/ps/pex338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Indexed: 11/20/2022] Open
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16
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Nakamura H, Fujisawa T, Suga S, Taniguchi K, Nagao M, Ito M, Ochiai H, Konagaya M, Hanaoka N, Fujimoto T. Species differences in circulation and inflammatory responses in children with common respiratory adenovirus infections. J Med Virol 2018; 90:873-880. [PMID: 29350418 PMCID: PMC5887893 DOI: 10.1002/jmv.25032] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 01/02/2018] [Indexed: 01/01/2023]
Abstract
Human adenoviruses (HAdVs) cause severe inflammatory respiratory infections, but previous epidemiological studies lacked analysis of the characteristics of the inflammation. Consecutive patients <13 years old with acute febrile illness during a 2‐year period were tested. HAdV strains were isolated from nasopharyngeal swabs, and molecular identification was performed by hexon, fiber, and species‐specific PCR methods. Blood inflammatory markers, including the white blood cell (WBC) count, CRP, and 29 cytokines, were measured. A total of 187 patients were enrolled, and HAdV types were identified from 175 patients (93.5%). Species C (types 2, 1, 5, and 6, in order of frequency) was most common at 37.1%, followed by B (type 3) at 30.9% and E (type 4) at 26.9%. Species C was detected predominantly in 1‐year‐old, whereas B and E were in older ages. Species C and B had seasonal circulation patterns, but E was found in only one season during the 2‐year study period. The WBC count was highest in patients with species C. Eleven of the 29 tested serum cytokines were detected. Seven kinds, including G‐CSF, IL‐6, and TNF‐α, were elevated in species C infections, whereas IL‐10 was lowest in species C. Species differences in inflammatory responses, especially regarding serum cytokines were described in common pediatric HAdV infections. Species C causes the strongest inflammatory responses in young children.
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Affiliation(s)
- Haruna Nakamura
- Department of Pediatrics, Mie National Hospital, Tsu, Mie, Japan
| | - Takao Fujisawa
- Department of Pediatrics, Mie National Hospital, Tsu, Mie, Japan
| | - Shigeru Suga
- Department of Pediatrics, Mie National Hospital, Tsu, Mie, Japan
| | - Kiyosu Taniguchi
- Department of Pediatrics, Mie National Hospital, Tsu, Mie, Japan
| | - Mizuho Nagao
- Department of Pediatrics, Mie National Hospital, Tsu, Mie, Japan
| | - Masahiro Ito
- Biwako Gakuen Yasu Medical and Welfare Center, Yasu, Shiga, Japan
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17
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Amosova IV, Timoshicheva TA, Egorova AA, Musaeva TD, Pisareva MM, Eder VA, Lvov NI. GENETIC DIVERSITY OF ADENOVIRUSES CIRCULATING AMONG THE MILITARY IN THE NORTH-WEST REGION. Vopr Virusol 2017; 62:283-287. [PMID: 36494960 DOI: 10.18821/0507-4088-2017-62-6-283-287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Indexed: 12/13/2022]
Abstract
The contribution of adenovirus (AV) infections to the overall structure of acute viral respiratory infections among young people of draft age can reach as high as 64.6%. Wide dissemination, the incidence of AV-associated pneumonias and lethal outcomes in the case of some complicated infections illustrate the urgency of studying the antigenic diversity of AVs circulating among the military. 991 nasopharyngeal swabs from patients hospitalized in military health facilities with symptoms of acute respiratory infections from 2014 to 2017 were detected by real-time PCR. Sanger sequencing was performed using forward and reverse primers matching the fiber gene. AVs were detected in 326 samples. In 80 of those, AVs were present in combination with other respiratory viruses, as follows: 26 with respiratory syncytial viruses (RSV), 49 with rhinoviruses, 2 with bocaviruses, 1 with RSV and rhinovirus, 1 with parainfluenza virus, and 1 with metapneumovirus. 31 samples were sequenced. Thirty AVs belonged to group E (serotype 4), and 1 AV belonged to group B (serotype 7).
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Affiliation(s)
| | | | | | | | | | | | - N I Lvov
- S.M. Kirov Military Medical Academy
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18
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Adhikary AK. Genomic diversity of human adenovirus type 3 isolated in Fukui, Japan over a 24-year period. J Med Microbiol 2017; 66:1616-1622. [PMID: 29068283 DOI: 10.1099/jmm.0.000625] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Recently, human adenovirus type 3 (HAdV-3) has become the most isolated HAdV worldwide. Restriction endonuclease analysis of globally isolated strains of HAdV-3 has uncovered 51 genome types to date. Information on the genome type is important to the epidemiological study of HAdV-3. In this study, analysis of 75 isolates of HAdV- 3 collected over a 24-year period in Fukui revealed: (1) the emergence of three novel genome types (HAdV-3a52, HAdV-3a53 and HAdV-3a54) and two known genome types (HAdV-3a and HAdV-3a54); (2) the spectrum of diseases caused by individual genome types and their major involvement in the paediatric age population; and (3) the co-circulation and replacement of genome types as a usual phenomenon. The rising number of HAdV-3 genome types indicates that the genetic variation of HAdV-3 is more than other HAdVs. Considering the clinical importance of HAdV-3 infection, its genetic diversity underscores the need for its continuous surveillance and genetic characterization.
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Affiliation(s)
- Arun K Adhikary
- Infectious Disease Surveillance Centre, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan.,Unit of Microbiology, Faculty of Medicine, AIMST University, Semeling, 08100 Bedong, Kedah Darul Aman, Malaysia
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19
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The tripartite leader sequence is required for ectopic expression of HAdV-B and HAdV-E E3 CR1 genes. Virology 2017; 505:139-147. [PMID: 28259047 DOI: 10.1016/j.virol.2017.02.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 02/23/2017] [Indexed: 01/09/2023]
Abstract
The unique repertoire of genes that characterizes the early region 3 (E3) of the different species of human adenovirus (HAdV) likely contributes to their distinct pathogenic traits. The function of many E3 CR1 proteins remains unknown possibly due to unidentified intrinsic properties that make them difficult to express ectopically. This study shows that the species HAdV-B- and HAdV-E-specific E3 CR1 genes can be expressed from vectors carrying the HAdV tripartite leader (TPL) sequence but not from traditional mammalian expression vectors. Insertion of the TPL sequence upstream of the HAdV-B and HAdV-E E3 CR1 open reading frames was sufficient to rescue protein expression from pCI-neo constructs in transfected 293T cells. The detection of higher levels of HAdV-B and HAdV-E E3 CR1 transcripts suggests that the TPL sequence may enhance gene expression at both the transcriptional and translational levels. Our findings will facilitate the characterization of additional AdV E3 proteins.
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20
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Yang X, Wang Q, Liang B, Wu F, Li H, Liu H, Sheng C, Ma Q, Yang C, Xie J, Li P, Jia L, Wang L, Du X, Qiu S, Song H. An outbreak of acute respiratory disease caused by a virus associated RNA II gene mutation strain of human adenovirus 7 in China, 2015. PLoS One 2017; 12:e0172519. [PMID: 28225804 PMCID: PMC5321423 DOI: 10.1371/journal.pone.0172519] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 02/06/2017] [Indexed: 01/17/2023] Open
Abstract
Human adenovirus 7 (HAdV-7) strains are a major cause of acute respiratory disease (ARD) among adults and children, associated with fatal pneumonia. An ARD outbreak caused by HAdV-7 that involved 739 college students was reported in this article. To better understand the underlying cause of this large-scale epidemic, virus strains were isolated from infected patients and sequence variations of the whole genome sequence were detected. Evolutionary trees and alignment results indicated that the major capsid protein genes hexon and fibre were strongly conserved among serotype 7 strains in China at that time. Instead, the HAdV-7 strains presented three thymine deletions in the virus associated RNA (VA RNA) II terminal region. We also found that the mutation might lead to increased mRNA expression of an adjacent gene, L1 52/55K, and thus promoted faster growth. These findings suggest that sequence variation of VA RNA II gene was a potential cause of such a severe HAdV-7 infection and this gene should be a new-emerging factor to be monitored for better understanding of HAdV-7 infection.
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Affiliation(s)
- Xiaoxia Yang
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Qiongshu Wang
- Deprtment of Infection Control, Wuhan General Hospital of Guangzhou Military Command, Wuhan, China
| | - Beibei Liang
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Fuli Wu
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Hao Li
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Hongbo Liu
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Chunyu Sheng
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Qiuxia Ma
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Chaojie Yang
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Jing Xie
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Peng Li
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Leili Jia
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Ligui Wang
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Xinying Du
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
| | - Shaofu Qiu
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
- * E-mail: (HS); (SQ)
| | - Hongbin Song
- Institute of Disease Control and Prevention, Academy of Military Medical Sciences, Beijing, China
- * E-mail: (HS); (SQ)
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21
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Sun HQ, Zhang XX, Kuang XN, Gu WJ, Chen ZR, Yan YD, Wang YQ, Zhu CH, Dong HT, Zhang XL, Ji W. [Epidemiological analysis of 440 cases of respiratory adenovirus infections in children from the Suzhou area between 2006 and 2015]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2017; 19:34-38. [PMID: 28100319 PMCID: PMC7390133 DOI: 10.7499/j.issn.1008-8830.2017.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Accepted: 09/27/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To study the epidemiological characteristics of respiratory adenovirus (ADV) infections in children from the Suzhou area, China. METHODS The clinical data of ADV-positive children out of 35 529 children with respiratory tract infections who were hospitalized in the Children's Hospital of Soochow University between January 2006 and December 2015 were retrospectively studied. RESULTS Of the 35 529 children with respiratory tract infections, 440 (1.24%) were ADV-positive. There was no significant difference in the rate of ADV infections between boys and girls (1.18% vs 1.34%). The ADV infection rates of children at the age of <1 year old, 1-3 years old, 3-7 years old and 7-14 years old were 0.39% (71/18 002), 1.12% (103/9 191), 3.14% (201/6 398), and 3.35%( 65/1 938) respectively and the rate increased with age (P<0.01). The ADV infection rates in spring [1.85%(60/8 658)] and summer [2.20%(189/8 606)] were significantly higher than in autumn [0.30%(27/8 952)] and winter [0.69%(64/9 313)] (P<0.01). CONCLUSIONS The ADV infection rate is increased with age in the children from the Suzhou area, but it is not associated with gender. ADV infections are more common in spring and summer.
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Affiliation(s)
- Hui-Quan Sun
- Department of Respiratory Disease, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, China.
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22
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Sun HQ, Zhang XX, Kuang XN, Gu WJ, Chen ZR, Yan YD, Wang YQ, Zhu CH, Dong HT, Zhang XL, Ji W. [Epidemiological analysis of 440 cases of respiratory adenovirus infections in children from the Suzhou area between 2006 and 2015]. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2017; 19:34-38. [PMID: 28100319 PMCID: PMC7390133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Accepted: 09/27/2016] [Indexed: 11/12/2023]
Abstract
OBJECTIVE To study the epidemiological characteristics of respiratory adenovirus (ADV) infections in children from the Suzhou area, China. METHODS The clinical data of ADV-positive children out of 35 529 children with respiratory tract infections who were hospitalized in the Children's Hospital of Soochow University between January 2006 and December 2015 were retrospectively studied. RESULTS Of the 35 529 children with respiratory tract infections, 440 (1.24%) were ADV-positive. There was no significant difference in the rate of ADV infections between boys and girls (1.18% vs 1.34%). The ADV infection rates of children at the age of <1 year old, 1-3 years old, 3-7 years old and 7-14 years old were 0.39% (71/18 002), 1.12% (103/9 191), 3.14% (201/6 398), and 3.35%( 65/1 938) respectively and the rate increased with age (P<0.01). The ADV infection rates in spring [1.85%(60/8 658)] and summer [2.20%(189/8 606)] were significantly higher than in autumn [0.30%(27/8 952)] and winter [0.69%(64/9 313)] (P<0.01). CONCLUSIONS The ADV infection rate is increased with age in the children from the Suzhou area, but it is not associated with gender. ADV infections are more common in spring and summer.
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Affiliation(s)
- Hui-Quan Sun
- Department of Respiratory Disease, Children's Hospital of Soochow University, Suzhou, Jiangsu 215003, China.
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