Basic and applied studies for early diagnosis and early treatment of visceral leishmaniasis

2008 Fiscal Year Final Research Report

• Project/Area Number: 18406013
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 海外学術
• Research Field: Parasitology (including Sanitary zoology)
• Research Institution: Aichi Medical University
• Principal Investigator: ITOH Makoto Aichi Medical University, 医学部, 准教授 (90137117)
• Co-Investigator(Kenkyū-buntansha): KIMURA Eisaku 愛知医科大学, 医学部, 教授 (70153187) ; HASHIGUCHI Yoshihisa 高知大学, 医学部, 名誉教授 (10037385) ; WAGATSUMA Yukiko 筑波大学, 人間総合科学研究科, 教授 (40400676)
• Project Period (FY): 2006 – 2008
• Keywords: 内臓リーシュマニア症 / 診断 / 尿 / バングラデシュ / LAMP / 国際研究者交流

Research Abstract

(1)内臓リーシュマニア症(VL症)の早期発見のための診断法を開発した。尿を用いた免疫診断法と、原虫由来DNAを検出する遺伝子診断法(LAMP法)である。バングラデシュ・マメンシン地区の4,800人の調査から、この地区では年間約7%の住民がLeishmania原虫の感染を受け、その約半数がVL症を発症すると推定できた。(2)VL症を媒介するサシチョウバエの種を、これまでの形態学的な方法に代わり、遺伝子によって同定する方法を確立した。原虫の有無を調べる遺伝子検査法と組み合わせることで、広範囲にわたる流行地のサシチョウバエ調査を効率的に行うことができた。

Research Products

• [Journal Article] Sensitive, specific, and rapid detection of Leishmania donovani DNA by loop-mediated isothermal amplification (2009)
  • Author(s): Takagi H, Itoh M, Islam MZ, Razzaque A, Ekram AR, Hashighuchi Y, Noiri E, Kimura E.
  • Journal Title: Am J Trop Med Hyg 81(4) Pages: 578-82
  • Peer Reviewed
• [Journal Article] Neem extract as a control tool for vector-born diseases : an example of visceral leishmaniasis in Bangladesh (2009)
  • Author(s): Wagatsuma Y., Alam Md. S., Fukushige M., Islam Md. Z., Itoh M., Mondel D., Haque R.
  • Journal Title: Biopesticides International 5(2) Pages: 134-140
  • Peer Reviewed
• [Journal Article] Enzyme-linked Immunosorbent Assay to Direct Urinary Antibody Against Recombinant rKRP42 Antigen Made from Leishmania donovani for the Diagnosis of Visceral Leishmaniasis (2008)
  • Author(s): Islam MZ, Itoh M, Takagi H, Islam AU, Ekram ARMS, Rahman A, Takesue A, Hashiguchi Y, Kimura E.
  • Journal Title: Am J Trop Med Hyg 79(4) Pages: 599-604
  • Peer Reviewed
• [Journal Article] Molecular Typing of Sand Fly Species (Diptera, Psychodidae, Phlebotominae) from Areas Endemic for Leishmaniasis in Ecuador by PCR-RFLP of 18S Ribosomal RNA Gene (2008)
  • Author(s): Terayama Y, Kato H, Gomez EA, Uezato H, Calvopina M, Iwata H, Hashiguchi Y.
  • Journal Title: J. Vet. Med. Sci 70(9) Pages: 907-913
  • Peer Reviewed
• [Journal Article] Short Report : Molecular Mass Screening to Incriminate Sand Fly Vectors of Andean-type Cutaneous Leishmaniasis in Ecuador and Peru (2008)
  • Author(s): Kato H, Caceres AG, Gomez EA, Mimori T, Uezato H, Marco JD, Barroso PA, Iwata H, Hashiguchi Y
  • Journal Title: Am. J. Trop. Med. Hyg 79(5) Pages: 719-721
  • Peer Reviewed
• [Journal Article] Establishment of a Mass Screening Method of Sand Fly Vectors for Leishmania Infection by Molecular Biological Methods (2007)
  • Author(s): E Kato H, Uezato H, Gomez EA, Terayama Y, Calvopina M, Iwata H, Hashiguchi Y.
  • Journal Title: Am. J. Trop. Med. Hyg 77(2) Pages: 324-329
  • Peer Reviewed
• [Journal Article] Short report : production of recombinant kinesin-related protein of Leishmania donovani and its application in the serodiagnosis of visceral leishmaniasis (2007)
  • Author(s): Takagi H, Islam MZ, Itoh M, Islam AU, Saifuddin Ekram AR, Hussain SM, Hashiguchi Y, Kimura E.
  • Journal Title: Am J Trop Med Hyg 76(5) Pages: 902-5
  • Peer Reviewed
• [Journal Article] The epidemiology of visceral leishmaniasis and asymptomatic leishmanial infection in a highly endemic Bangladeshi village (2007)
  • Author(s): Bern C, Haque R, Chowdhury R, Ali M, Kurkjian KM, Vaz L, Amann J, Wahed MA, Wagatsuma Y, Breiman RF, Williamson J, Secor WE, Maguire JH.
  • Journal Title: Am J Trop Med Hyg 76(5) Pages: 909-14
  • Peer Reviewed
• [Presentation] Evaluation of new tests for early diagnosis of visceral leishmaniasis and its complications at the 'Point-of-Care' (2009)
  • Author(s): Kazi M. Jamil, Abu Toha Bhuiyan, Gulam M. Khan, Mohammad S. Alam, Rashidul Haque, Makoto Itoh, Eisei Noiri, Stephen P. Luby
  • Organizer: 58th Annual Meeting of American Society of Tropical Medicine and Hygiene
  • Place of Presentation: Washington DC, U.S.A.
  • Year and Date: 20091100
• [Presentation] LAMP法と尿診断法による内臓リーシュマニア症患者の治療後の経過観察 (2009)
  • Author(s): 伊藤誠, Kazi M. Jamil, 高木秀和, Shafiul M. Alam, Rashidul Haque, Zahidul M. Islam, Sohel M. Samad, 野入英世, 木村英作
  • Organizer: 第50回日本熱帯医学会
  • Place of Presentation: 沖縄
  • Year and Date: 20091022-20091023
• [Presentation] Observational study of urinary indicators in kala-azar (2009)
  • Author(s): Noiri E, Sugaya T, Itoh M, Kimura E, Negishi K, Doi K, Matsumoto Y, Toba, Alam MS, Jha T.K., Jamil KM.
  • Organizer: 4th World Congress on Leishmaniasis (WL4)
  • Place of Presentation: Lucknow, India
  • Year and Date: 20090200
• [Presentation] Preliminary results of the two-year follow-up study using neem oil as vector control in Bangladesh (2009)
  • Author(s): Fukushige M, Alam MS, Mondal D, Haque R, Islam MZ, Itoh M, Wagatsuma Y.
  • Organizer: 4th World Congress on Leishmaniasis (WL4)
  • Place of Presentation: Lucknow, India
  • Year and Date: 20090200
• [Presentation] Diurnal fluctuation of anti-rKRP42 IgG in urine samples for the diagnosis of visceral leishmaniasis (2008)
  • Author(s): Islam MZ, Itoh M, Islam AU, Rahman A, Ekram ARM, Takagi H, Takesue A, Hashiguchi Y, Kimura E.
  • Organizer: 第64回日本寄生虫学会西日本支部大会
  • Place of Presentation: 神戸
  • Year and Date: 20081100
• [Presentation] Early diagnosis of visceral leishmaniasis and prediction of clinical cases by rKRP42 urine ELISA (2008)
  • Author(s): Islam MZ, Itoh M, Islam MAU, Rahman MA, Ekram ARMS, Takagi H, Hashiguchi Y, Kimura E.
  • Organizer: XVllth International Congress for Tropical Medicine and Malaria
  • Place of Presentation: Jeju
  • Year and Date: 20081000
• [Presentation] FTA保存血を用いたLAMP法による内蔵リーシュマニア症の診断 (2008)
  • Author(s): 高木秀和, 伊藤誠, Islam MZ, 木村英作
  • Organizer: 第77回日本寄生虫学会
  • Place of Presentation: 長崎
  • Year and Date: 20080400
• [Presentation] Prediction of clinical visceral leishmaniasis cases in its early stages by rKRP42 urine-based ELISA (2007)
  • Author(s): Islam MZ, Itoh M, Islam MAU, Ekram ARMS, Takagi H, Hashiguchi Y, Kimura E.
  • Organizer: 第48回日本熱帯医学会大会
  • Place of Presentation: 大分
  • Year and Date: 20071000
• [Presentation] LAMP法を用いたリーシュマニア症診断法の開発 (2007)
  • Author(s): 高木秀和, 伊藤誠, Islam MZ, 木村英作
  • Organizer: 第76回日本寄生虫学会大会
  • Place of Presentation: 大阪
  • Year and Date: 20070300