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Chen M, Huang D, Chen J, Huang Y, Zheng H, Tang Y, Zhang Q, Chen S, Ai L, Zhou X, Zhang R. Genetic Characterization and Detection of Angiostrongylus cantonensis by Molecular Approaches. Vector Borne Zoonotic Dis 2021; 21:643-652. [PMID: 34242520 DOI: 10.1089/vbz.2020.2734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Angiostrongylus cantonensis constitutes a major etiologic agent of eosinophilic meningoencephalitis. The detection methods for angiostrongyliasis mainly depend on morphology or immunology. A firmer diagnosis could be reached by directly detecting the parasite in the cerebrospinal fluid or through laboratory assays that are specific for Angiostrongylus-induced antibodies or the parasite's DNA. A. cantonensis detection could be carried out by larva release from the tissue upon pepsin digestion. However, the procedure requires live mollusks, which might complicate the analysis of large amounts of samples. Since morphological assays are limited, multiple molecular techniques have been put forward for detecting A. cantonensis, including PCR amplification of targets followed by fragment length or DNA sequence analysis. This allows rapid and accurate identification of A. cantonensis for efficient infection management and epidemiological purposes. In this study, we reviewed the current methods, concepts, and applications of molecular approaches to better understand the genetic characterization, molecular detection methods, and practical application of molecular detection in A. cantonensis.
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Affiliation(s)
- Muxin Chen
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China.,Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), Shanghai, China.,Health Education and Detection Center, NHC Key Laboratory for Parasitology and Vector Biology, Shanghai, China.,Health Education and Detection Center, WHO Collaborating Center for Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Center for International Research on Tropical Diseases, Shanghai, China
| | - Dana Huang
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Jiaxu Chen
- Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), Shanghai, China.,Health Education and Detection Center, NHC Key Laboratory for Parasitology and Vector Biology, Shanghai, China.,Health Education and Detection Center, WHO Collaborating Center for Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Center for International Research on Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shenzhen Center for Disease Control and Prevention, Joint Laboratory for Imported Tropical Disease Control, Shanghai, China
| | - Yalan Huang
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Huiwen Zheng
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Yijun Tang
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Qian Zhang
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Shaohong Chen
- Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), Shanghai, China.,Health Education and Detection Center, NHC Key Laboratory for Parasitology and Vector Biology, Shanghai, China.,Health Education and Detection Center, WHO Collaborating Center for Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Center for International Research on Tropical Diseases, Shanghai, China
| | - Lin Ai
- Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), Shanghai, China.,Health Education and Detection Center, NHC Key Laboratory for Parasitology and Vector Biology, Shanghai, China.,Health Education and Detection Center, WHO Collaborating Center for Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Center for International Research on Tropical Diseases, Shanghai, China.,Department of One Health, School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaonong Zhou
- Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), Shanghai, China.,Health Education and Detection Center, NHC Key Laboratory for Parasitology and Vector Biology, Shanghai, China.,Health Education and Detection Center, WHO Collaborating Center for Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Center for International Research on Tropical Diseases, Shanghai, China.,Health Education and Detection Center, National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shenzhen Center for Disease Control and Prevention, Joint Laboratory for Imported Tropical Disease Control, Shanghai, China.,Department of One Health, School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Renli Zhang
- Institute of Pathogenic Biology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
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