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2011 Fiscal Year Annual Research Report

世界におけるエキノコックス、テニア条虫の種分化、分子共進化研究

Research Project

Project/Area Number 21256003
Research InstitutionAsahikawa Medical College

Principal Investigator

伊藤 亮  旭川医科大学, 医学部, 教授 (70054020)

Co-Investigator(Kenkyū-buntansha) 中尾 稔  旭川医科大学, 医学部, 准教授 (70155670)
中谷 和宏  旭川医科大学, 医学部, 准教授 (70109388)
迫 康仁  旭川医科大学, 医学部, 講師 (40312459)
柳田 哲矢  旭川医科大学, 医学部, 助教 (40431837)
岡本 宗裕  京都大学, 霊長類研究所, 教授 (70177096)
Keywordsエキノコックス条虫 / テニア条虫 / 遺伝子分類 / ミトコンドリア遺伝子 / 核遺伝子 / 地理拡散 / 進化
Research Abstract

人体寄生エキノコックス条虫ならびにテニア条虫の地理的拡散、起源を探る研究が(1)モンゴルでのサンプル、(2)ロシア人研究者の招へい、(3)無鉤条虫とアジア条虫が同所的に分布している中国、四川省で前年度に入手したサンプル、(4)中近東から入手した単包虫(Echinococcus granulosus)サンプル、(5)エチオピアのハイエナから採取したテニア属条虫サンプルの解析を通して大きく進展した。(1)モンゴルの野生動物寄生エキノコックス条虫は2種類、オオカミから確認された単包条虫(Echinococcus canadensis)、多包条虫(モンゴル型)がアカギツネからだけ発見され、モンゴル型の好適宿主と期待されたコサックギツネからは発見されていないこと、(2)ロシア人研究者との共同研究からサンクトペテルブルグ市内で飼育されていた家猫が単包虫症(E.granulosus)に罹患していたこと(Konyaev et al. 2011. J Helminthol in press)、ロシア領アルタイ地域の病院で確認されたエキノコックス症は単包虫症(E.granulosus, E.canadensis)と多包虫症(アジア型)であること(Konyaev et al. 2012. Parasitol Int in press)、(3)無鉤条虫とアジア条虫の交雑個体が、これまでに発見されていたタイ以外に、中国四川省チベット族居住地からも確認された(Yamane et al. 2012. Parasitol Int ; Nkouawa et al. inprep.)。(4)世界に分布している単包虫(E.granulosus)のミトコンドリア遺伝子多型解析から中近東、イランから採取されたサンプルの遺伝子多型が最も多く、起源的にこれまで知られている単包虫(E.granulosus)の中で最も古いと推定された(Yanagida et al. 2012. submitted)。(5)エチオピアのハイエナ寄生テニア条虫が人体寄生有鉤条虫にもっとも近縁であると推定されており、ハイエナから採取された条虫の解析が始まっている。これまで未記録のテニア条虫数種が含まれている可能性が出てきている(Hailemarian et al. in prep.)。

  • Research Products

    (23 results)

All 2012 2011

All Journal Article (15 results) (of which Peer Reviewed: 15 results) Presentation (8 results)

  • [Journal Article] Molecular identification of unilocular hydatid cysts from domestic ungulates in Ethiopia : implications for human infections2012

    • Author(s)
      Hailemarian Z, et al.
    • Journal Title

      Parasitology International

      Volume: 61 Pages: 375-377

    • DOI

      10.1016/j.parint.2012.01.007

    • Peer Reviewed
  • [Journal Article] Taeniasis and cysticercosis due to Taenia solium in Japan2012

    • Author(s)
      Yanagida T, et al.
    • Journal Title

      Parasites and Vectors

      Volume: 5:18 Pages: 1-6

    • DOI

      10.1186/1756-3305-5-18

    • Peer Reviewed
  • [Journal Article] Recent hybridization between Taenia asiatica and Taenia saginata2012

    • Author(s)
      Yamane K, et al.
    • Journal Title

      Parasitology International

      Volume: 61 Pages: 351-355

    • DOI

      10.1016/j.parint.2012.01.005

    • Peer Reviewed
  • [Journal Article] An ocular cysticercosis in Bali, Indonesia caused by Taenia solium Asian genotype2012

    • Author(s)
      Swastika K, et al.
    • Journal Title

      Parasitology International

      Volume: 61 Pages: 378-380

    • DOI

      10.1016/j.parint.2011.11.004

    • Peer Reviewed
  • [Journal Article] Post-treatment follow-up study of abdominal cystic echinococcosis in Tibetan communities of northwest Sichuan Province, China2011

    • Author(s)
      Li T, et al.
    • Journal Title

      PLoS Neglected Tropical Diseases

      Volume: 5:e1364 Pages: 1-8

    • DOI

      10.1371/joumal.pntd.0001364

    • Peer Reviewed
  • [Journal Article] Phylogenetic relationships within Echinococcus and Taenia tapeworms (Cestoda : Taeniidae) : an inference from nuclear protein-coding genes2011

    • Author(s)
      Knapp J, et al.
    • Journal Title

      Molecular Phylogenetics and Evolution

      Volume: 61 Pages: 628-638

    • DOI

      10.1016/j.ympev.2O11.07.022

    • Peer Reviewed
  • [Journal Article] Serological and molecular tools to detect neurologic parasitic zoonoses in rural Cameroon2011

    • Author(s)
      Nkouawa A, et al.
    • Journal Title

      The Southeast Asian Journal of Tropical Medicine and Public Health

      Volume: 42 Pages: 1365-1374

    • Peer Reviewed
  • [Journal Article] The first workshop towards the control of cestode zoonoses in Asia and Africa2011

    • Author(s)
      Ito A, et al.
    • Journal Title

      Parasites and Vectors

      Volume: 4:114 Pages: 1-6

    • DOI

      10.1186/1756-3305-4-114

    • Peer Reviewed
  • [Journal Article] Immunochromatographic test with recombinant Em18 antigen for the follow-up study of alveolar echinococcosis2011

    • Author(s)
      Sako Y, et al.
    • Journal Title

      Clinical and Vaccine Immunology

      Volume: 18 Pages: 1302-1305

    • DOI

      doi:10.1128/CVI.05156-11

    • Peer Reviewed
  • [Journal Article] A case of pulmonary and hepatic cystic echinococcosis of CE1 stage in a healthy Japanese female suspected to have been acquired during her stay in the United Kingdom2011

    • Author(s)
      Nakamura K, et al.
    • Journal Title

      The American Journal of Tropical Medicine and Hygiene

      Volume: 85 Pages: 456-459

    • Peer Reviewed
  • [Journal Article] Neurocysticercosis case with tuberculoma-like epithelioid granuloma strongly suspected by serology and confirmed by mitochondrial DNA2011

    • Author(s)
      Maeda T, et al
    • Journal Title

      BMJ Case Reports

    • DOI

      10.1136/bcr.04.2011.4125

    • Peer Reviewed
  • [Journal Article] Cystic echinococcosis : chronic, complex, and still neglected2011

    • Author(s)
      Brumetti E, et al.
    • Journal Title

      PLoS Neglected Tropical Diseases

      Volume: 5:e1146 Pages: 1-5

    • DOI

      10.1371/journal.pntd.0001146

    • Peer Reviewed
  • [Journal Article] Taeniasis/cysticercosis in Bali, Indonesia2011

    • Author(s)
      Wandra T, et al.
    • Journal Title

      The Southeast Asian Journal of Tropical Medicine and Public Health

      Volume: 42 Pages: 793-802

    • Peer Reviewed
  • [Journal Article] Should possible recurrence of disease contraindicate liver transplantation in patients with end-stage alveolar echinococcosis? A 20-year follow-up study2011

    • Author(s)
      Bresson-Hadni S, et al.
    • Journal Title

      Liver Transplantation

      Volume: 17 Pages: 855-865

    • DOI

      10.1002/lt.22299

    • Peer Reviewed
  • [Journal Article] Isolated intradural-extramedullary spinal cysticercosis : a case report2011

    • Author(s)
      Jongwietiwes U, et al.
    • Journal Title

      Journal of Travel Medicine

      Volume: 18 Pages: 284-287

    • DOI

      10.1111/j.1708-8305.2011.00535.x

    • Peer Reviewed
  • [Presentation] Towards control of cysticercosis due to Taenia solium in Southeast Asia2012

    • Author(s)
      伊藤亮
    • Organizer
      48^<th> Annual Conference of the Malaysian Society of Parasitology and Tropical Medicine
    • Place of Presentation
      Kuala Lumpur, Malaysia(招待講演)
    • Year and Date
      2012-03-27
  • [Presentation] The present situation and perspectives of taeniasis and cysticercosis in Asia2011

    • Author(s)
      伊藤亮
    • Organizer
      Joint International Tropical Medicine Meeting 2011
    • Place of Presentation
      Bangkok, Thailand(招待講演)
    • Year and Date
      2011-12-02
  • [Presentation] Hybridization between Taenia asiatica and Taenia saginata and taxonomic status of T.asiatica2011

    • Author(s)
      岡本宗裕
    • Organizer
      Joint International Tropical Medicine Meeting 2011
    • Place of Presentation
      Bangkok, Thailand(招待講演)
    • Year and Date
      2011-12-02
  • [Presentation] Taeniasis and cysticercosis due to Taenia solium in Japan2011

    • Author(s)
      柳田哲矢
    • Organizer
      Joint International Tropical Medicine Meeting 2011
    • Place of Presentation
      Bangkok, Thailand(招待講演)
    • Year and Date
      2011-12-02
  • [Presentation] The present situation of alveolar echinococcosis and cystic echinococcosis in Mongolia2011

    • Author(s)
      伊藤亮
    • Organizer
      24^<th> International Congress of Hydatidology
    • Place of Presentation
      Urumqi, China(招待講演)
    • Year and Date
      2011-09-16
  • [Presentation] Epidemiological and phylogenetic considerations regarding Echinococcus species2011

    • Author(s)
      中尾稔
    • Organizer
      24^<th> International Congress of Hydatidology
    • Place of Presentation
      Urumqi, China(招待講演)
    • Year and Date
      2011-09-16
  • [Presentation] Genetic characterization of Echinococcus granulosus in Iran and Jordan2011

    • Author(s)
      柳田哲矢
    • Organizer
      24^<th> International Congress of Hydatidology
    • Place of Presentation
      Urumqi, China
    • Year and Date
      2011-09-16
  • [Presentation] An immunochromatographic test for the diagnosis and the follow-up of alveolar echinococcosis2011

    • Author(s)
      迫康仁
    • Organizer
      24^<th> International Congress of Hydatidology
    • Place of Presentation
      Urumqi, China
    • Year and Date
      2011-09-16

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Published: 2013-06-26  

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