Various monoclonal antibodies (mAbs) against Toxoplasma gondii RH tachyzoites were used for flow cytometric detection of intracellular parasites in murine splenic lymphocytes. Tg110 and Tg563 (reacting with the major surface protein SAG1), Tg505 (with another surface protein SAG2), Tg695 and Tg786 (with rhoptry proteins), Tg507, Tg621, and Tg317 (with dense granule proteins), Tg536 (with a microneme protein), and Tg685 (with a cytosol antigen) were the mAbs used. After an in vitro infection of lymphocytes with tachyzoites and reactions with the different mAbs, flow cytometry was performed using an indirect immunofluorescent technique. The proportions of whole infected lymphocytes and of each infected lymphocyte phenotype, CD4+ T cells, CD8+ T cells, and B cells, were determined, and their fluorescent intensities were quantified. The best reaction was seen when Tg110 or Tg695 was used as the mAbs. The results suggest that mAbs against surface or rhoptry proteins are highly useful for the flow cytometric detection of intracellular T. gondii in host cells.
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February 2004
THERAPEUTICS-DIAGNOSTICS|
February 01 2004
USE OF MONOCLONAL ANTIBODIES FOR FLOW CYTOMETRIC DETECTION OF INTRACELLULAR TOXOPLASMA GONDII IN MURINE SPLENIC LYMPHOCYTES
Eun-Hee Shin;
Eun-Hee Shin
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
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Sung-Bum Kim;
Sung-Bum Kim
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
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Ho-Woo Nam;
Ho-Woo Nam
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
* Department of Parasitology and Catholic Institute of Parasitic Diseases, Catholic University of Korea, College of Medicine, Seoul 137- 701, South Korea
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Eun-Taek Han;
Eun-Taek Han
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
† Department of Parasitology, Kangwon National University College of Medicine, Chunchon 200-701, South Korea
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Jae-Hwan Park;
Jae-Hwan Park
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
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Hye-Jin Ahn;
Hye-Jin Ahn
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
* Department of Parasitology and Catholic Institute of Parasitic Diseases, Catholic University of Korea, College of Medicine, Seoul 137- 701, South Korea
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Jong-Yil Chai
Jong-Yil Chai
Department of Parasitology, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, South Korea. [email protected]
‡ To whom correspondence should be addressed
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J Parasitol (2004) 90 (1): 161–166.
Citation
Eun-Hee Shin, Sung-Bum Kim, Ho-Woo Nam, Eun-Taek Han, Jae-Hwan Park, Hye-Jin Ahn, Jong-Yil Chai; USE OF MONOCLONAL ANTIBODIES FOR FLOW CYTOMETRIC DETECTION OF INTRACELLULAR TOXOPLASMA GONDII IN MURINE SPLENIC LYMPHOCYTES. J Parasitol 1 February 2004; 90 (1): 161–166. doi: https://doi.org/10.1645/GE-3183
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