Establishment of the detection method for the reactivation of toxoplasmosis and the evaluatiion method for the severity of toxoplasmosis by mass spectrometer
Project/Area Number |
17KT0124
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 特設分野 |
Research Field |
Complex Systems Disease Theory
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Research Institution | Chiba University |
Principal Investigator |
NOROSE Kazumi 千葉大学, 大学院医学研究院, 特任准教授 (30156244)
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Co-Investigator(Kenkyū-buntansha) |
彦坂 健児 千葉大学, 大学院医学研究院, 講師 (30456933)
佐藤 守 千葉大学, 医学部附属病院, 特任准教授 (20401002)
野村 文夫 千葉大学, 医学部附属病院, 特任教授 (80164739)
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Project Period (FY) |
2017-07-18 – 2020-03-31
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Project Status |
Completed (Fiscal Year 2019)
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Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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Keywords | トキソプラズマ症 / 質量分析 / 再活性化 / 重症化 / トキソプラズマ / ステージ変換 / 再活性化検出法 / 重症度評価法 / シスト |
Outline of Final Research Achievements |
Toxoplasmosis is caused by the infection with the protozoan parasite, Toxoplasma gondii.As an important event in the pathogenesis of toxoplasmosis is the interconversion between the bradyzoite and the tachyzoite stage of T. gondii within the intermediate host, to analyze the factors that influence either cyst formation or reactivation is essential. In this report, we analyzed the stage conversion in vitro by changing the condition of medium and the culture supernatant was stored for protein level analysis by mass spectrometry. For in vivo analysis, mice were infected and serum were stored at the acute and chronic stages for the further analysis by mass spectrometry. In addition, residual samples from hospitals for diagnosis of toxoplasmosis were classified according to the severity of the disease for the analysis by mass spectrometry.
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Academic Significance and Societal Importance of the Research Achievements |
トキソプラズマ症は細胞内寄生虫のトキソプラズマによる感染症であり、世界中では人口の3分の一が感染しているとされる日和見感染症である。免疫状態の正常な人は無症状であるが、免疫不全状態の人は、トキソプラズマ症が再活性化したり、重症化し致死となることが問題となっている。トキソプラズマは宿主の免疫状態により、病原性の異なるステージ変換を行うが、それに関与する因子を質量分析計によりタンパク質レベルで解析することで、病原性や免疫不全状態での再発機序を解明でき、予後を左右する早期診断・早期治療につながると期待される。
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Report
(4 results)
Research Products
(58 results)
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[Journal Article] Genetic polymorphisms in malaria vaccine candidate Plasmodium falciparum reticulocyte-binding protein homologue-5 among populations in Lagos, Nigeria.2020
Author(s)
Ajibaye O, Osuntoki AA, Balogun EO, Olukosi YA, Iwalokun BA, Oyebola KM, Hikosaka K, Watanabe YI, Ebiloma GU, Kita K, Amambua-Ngwa A.
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Journal Title
Malar J.
Volume: 19
Issue: 1
Pages: 6-6
DOI
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Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Metastatic Malignant Lymphoma Mimicking Cerebral Toxoplasmosis with the "Target Sign"2019
Author(s)
Ueno H, Norose K, Kamimura T, Mihara K, Yamasaki F, Hikosaka K, J Amatya V, Takeshima Y, Kurisu K, Maruyama H
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Journal Title
Internal Medicine
Volume: 58
Issue: 8
Pages: 1157-1162
DOI
NAID
ISSN
0918-2918, 1349-7235
Year and Date
2019-04-15
Related Report
Peer Reviewed / Open Access
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[Journal Article] Toxoplasmosis-associated central nervous system vasculitis accompanied by multiple cerebral hemorrhages developing subsequent to cord blood transplantation2019
Author(s)
太田 貴徳, 今永 博, 奥 誠道, 楠元 大岳, 杉尾 康浩, 田宮 貞史, 久保 安孝, 小川 亮介, 彦坂 健児, 野呂瀬 一美, 大野 裕樹
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Journal Title
Rinsho Ketsueki
Volume: 60
Issue: 2
Pages: 118-123
DOI
NAID
ISSN
0485-1439, 1882-0824
Related Report
Peer Reviewed
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[Journal Article] Anti-FIRΔexon2, a splicing variant form of PUF60, auto-antibody is detected in the sera of esophageal squamous cell carcinoma.2019
Author(s)
Kobayashi S, Hiwasa T, Ishige T, Rahmutulla B, Kano M, Hoshino T, Minamoto T, Shimada H, Nomura F, Matsubara H, Matsushita K.
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Journal Title
Cancer Sci.
Volume: 4
Issue: 6
Pages: 1-10
DOI
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Peer Reviewed / Open Access
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[Journal Article] Disseminated toxoplasmosis with atypical symptoms which developed with exacerbation of systemic lupus erythematosus.2019
Author(s)
Furuya H, Ikeda K, Iida K, Suzuki K, Furuta S, Tamachi T, Suzuki K, Miura G, Hiraguri M, Hase R, Hikosaka K, Norose K, Nakajima H
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Journal Title
Lupus
Volume: 28
Issue: 1
Pages: 133-136
DOI
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Peer Reviewed
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[Journal Article] The complete mitochondrial genome of Sarcoptes scabiei var. nyctereutis from the Japanese raccoon dog: Prediction and detection of two transfer RNAs (tRNA-A and tRNA-Y)2018
Author(s)
Ueda T, Tarui H, Kido N, Imaizumi K, Hikosaka K, Abe T, Minegishi D, Tada Y, Nakagawa M, Tanaka S, Omiya T, Morikaku K, Kawahara M, Kikuchi-Ueda T, Akuta T, Ono Y
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Journal Title
Genomics
Volume: -
Issue: 6
Pages: 1183-1191
DOI
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Peer Reviewed
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[Journal Article] Search for a Novel Allergen in Hen's Egg Allergy Using an IgE Immunoblotting Assay.2018
Author(s)
Sogawa K, Takahashi Y, Shibata Y, Satoh M, Kodera Y, Nomura F, Tanaka T, Sato H, Yamaide F, Nakano T, Iwahashi K, Sugita-Konishi Y, Shimada A, Shimojo N.
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Journal Title
Int Arch Allergy Immunol
Volume: 176
Issue: 3-4
Pages: 189-197
DOI
Related Report
Peer Reviewed
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[Journal Article] Application of the biocopolymer preparation system, rapid BACproII kit, for mass-spectrometry-based bacterial identification from positive blood culture bottles by the MALDI Biotyper system.2018
Author(s)
Tsuchida S, Murata S, Miyabe A, Satoh M, Takiwaki M, Ashizawa K, Terada T, Ito D, Matsushita K, Nomura F.
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Journal Title
J Microbiol Methods.
Volume: 152
Pages: 86-91
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Surveillance evaluation of the standardization of assay values for serum total 25-hydroxyvitamin D concentration in Japan.2018
Author(s)
Ihara H, Kiuchi S, Ishige T, Nishimura M, Matsushita K, Satoh M, Nomura F, Yamashita M, Kitajima I, Tsugawa N, Okano T, Hirota K, Miura M, Totani M, Hashizume N; Nutrition Division, Japan Society of Clinical Chemistry.
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Journal Title
Ann Clin Biochem.
Volume: Epub ahead of print
Issue: 6
Pages: 0-0
DOI
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Peer Reviewed / Open Access
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[Journal Article] Assessment by Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry of the Effects of Preanalytical Variables on Serum Peptidome Profiles Following Long-Term Sample Storage.2018
Author(s)
Tsuchida S, Satoh M, Umemura H, Sogawa K, Takiwaki M, Ishige T, Miyabayashi Y, Iwasawa Y, Kobayashi S, Beppu M, Nishimura M, Kodera Y, Matsushita K, Nomura F
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Journal Title
Proteomics. Clinical applications
Volume: 15
Issue: 3
Pages: 47-53
DOI
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Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Immune-complex level of cofilin-1 in sera is associated with cancer progression and poor prognosis in pancreatic cancer.2017
Author(s)
Satoh M, Takano S, Sogawa K, Noda K, Yoshitomi H, Ishibashi M, Mogushi K, Takizawa H, Otsuka M, Shimizu H, Miyazaki M, Nomura F.
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Journal Title
Cancer Sci.
Volume: 印刷中
Issue: 4
Pages: 795-803
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Book] 今日の診断指針2020
Author(s)
野呂瀬 一美
Total Pages
2079
Publisher
医学書院
ISBN
9784260038089
Related Report
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