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Characterization of microRNAs expressed in the cystic legion of the liver of Mus musculus perorally infected with Echinococcus multilocularis Nemuro strain

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/84731

Title: Characterization of microRNAs expressed in the cystic legion of the liver of Mus musculus perorally infected with Echinococcus multilocularis Nemuro strain
Authors: Imasato, Yuhei Browse this author
Nakao, Ryo Browse this author →KAKEN DB
Irie, Takao Browse this author →KAKEN DB
Kouguchi, Hirokazu Browse this author →KAKEN DB
Yagi, Kinpei Browse this author →KAKEN DB
Nariaki, Nonaka Browse this author →KAKEN DB
Katakura, Ken Browse this author →KAKEN DB
Keywords: Alveolar echinococcosis
microRNA
Non-coding RNA
High-throughput sequencing
Echinococcus multilocularis
Issue Date: Apr-2021
Publisher: Elsevier
Journal Title: Parasitology international
Volume: 81
Start Page: 102247
Publisher DOI: 10.1016/j.parint.2020.102247
Abstract: Alveolar echinococcosis (AE) is a zoonosis caused by the metacestode of Echinococcus multilocularis. The published genome of E. multilocularis showed that approximately 86% of its genome is non-coding. Micro RNAs (miRNAs) are small non-coding regulatory RNAs, and recent studies on parasitic helminths expect miRNAs as a promising target for drug development and diagnostic markers. Prior to this study, only a few studies reported the E. multilocularis miRNA profiles in the intermediate host. The primary objective of this study was to characterize miRNA profiles via small RNA-seq in E. multilocularis Nemuro strain, a laboratory strain of Asian genotype, using mice perorally infected with the parasite eggs. The data were then compared with two previously published small RNA-seq data. We identified 44 mature miRNAs as E. multilocularis origin out of the 68 mature miRNA sequences registered in the miRNA database miRbase. The highest quantities of miRNAs detected were miR-10-5p, followed by bantam-3p, let-7-5p, miR-61-3p, and miR-71-5p. The top two most abundant miRNAs (miR-10-5p and bantam-3p) accounted for approximately 80.9% of the total parasite miRNAs. The highly expressed miRNA repertoire is mostly comparable to that obtained from the previous experiment using secondary echinococcosis created by an intraperitoneal administration of metacestodes. A detailed characterization and functional annotations of these shared miRNAs will lead to a better understanding of parasitic dynamics, which could provide a basis for the development of novel diagnostic and treatment methods for AE. <comment>Superscript/Subscript Available</comment> ABSTRACT Alveolar echinococcosis (AE) is a zoonosis caused by the metacestode of Echinococcus multilocularis. The published genome of E. multilocularis showed that approximately 86% of its genome is non-coding. Micro RNAs (miRNAs) are small non-coding regulatory RNAs, and recent studies on parasitic helminths expect miRNAs as a promising target for drug development and diagnostic markers. Prior to this study, only a few studies reported the E. multilocularis miRNA profiles in the intermediate host. The primary objective of this study was to characterize miRNA profiles via small RNA-seq in E. multilocularis Nemuro strain, a laboratory strain of Asian genotype, using mice perorally infected with the parasite eggs. The data were then compared with two previously published small RNA-seq data. We identified 44 mature miRNAs as E. multilocularis origin out of the 68 mature miRNA sequences registered in the miRNA database miRbase. The highest quantities of miRNAs detected were miR-10-5p, followed by bantam-3p, let-7-5p, miR-61-3p, and miR-71-5p. The top two most abundant miRNAs (miR-10-5p and bantam-3p) accounted for approximately 80.9% of the total parasite miRNAs. The highly expressed miRNA repertoire is mostly comparable to that obtained from the previous experiment using secondary echinococcosis created by an intraperitoneal administration of metacestodes. A detailed characterization and functional annotations of these shared miRNAs will lead to a better understanding of parasitic dynamics, which could provide a basis for the development of novel diagnostic and treatment methods for AE.
Rights: © <2021>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
https://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article (author version)
URI: http://hdl.handle.net/2115/84731
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中尾 亮

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