질트리코모나스(Trichomonas vaginalis)에 대한 마우스 복강 대식세포의 세포독성

This study was aimed to observe the direct and Iymphokine-activated cell mediated cytotoxic effects against Trichomenas waginalis by mouse peritoneal macrophages. Cytotoxicity was measured as release of 3H-thymidine from prelabeled protozoa, and tested in U-bottom microtiter plates. A 0.1 ml suspens...

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Published inKorean journal of parasitology Vol. 28; no. 2; pp. 85 - 89
Main Authors 柳在淑(Jae-Sook Ryu), 安明姬(Myong-Hee Ahn), 閔得映(Duk-Young Min)
Format Journal Article
LanguageKorean
Published 대한기생충학열대의학회 1990
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ISSN0023-4001
1738-0006

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Abstract This study was aimed to observe the direct and Iymphokine-activated cell mediated cytotoxic effects against Trichomenas waginalis by mouse peritoneal macrophages. Cytotoxicity was measured as release of 3H-thymidine from prelabeled protozoa, and tested in U-bottom microtiter plates. A 0.1 ml suspension of labeled protozoa (2{\times}10^5/ml$) was placed in each well, followed by 0.1 ml of a suspension containing increasing numbers of peritoneal cells. After a 24 hr incubation at $37^{\circ}C$, 0.1ml of the supernatant was collected and counted in liquid scintillation counter. Mouse peritoneal macrophages had appreciable level of spontaneous cytotoxicity against T. maginalis at the effector to target cell ratios from 5 : 1 to 50 : 1, Treatment of macrophages with Iymphokine, produced by PHA-stimulated spleen cells, increased the cytotoxicity in comparison with resident macrophages against T. vaginalis. The degree of macrophage activation for the killing was not dependent upon the Iymphokine concentration. Peritoneal cells adherent to plastic displayed significant levels of cytotoxicity against T. vaginalis. This study indicates that mouse peritoneal macrophages are spontaneously cytotoxic for T. waginalis and Iymphokine increases the cytotoxicity by activating macrophages to kill T. vaginalis. 질트리코모나스(Trichomenas vaginalis)에 대한 마우스의 복강 대식세포 및 림포카인으 로 활성화시킨 대식세포의 세포독성을 각각 관찰하였다. 세포독성은 질트리로모나스를 3H-TdR로 label시킨 후 대식세포와 반응시켜 사멸한 원충에서 방출되는 방사능 양을 비교하여 측정하였다. 대식세포의 원충에 대한 비율을 1 : 1, 5 :1, 10 : 1, 20 : 1 및 50 : 1로 증가시키고 반응시간을 12시간 및 24시간으로 변화시켰을 때, 대식세포와 원충의 비율 10 : 1 및 24시간 반응의 경우 가장 놓은 세포독성을 보였다. 마우스 비장세포를 phytohemagglutinin으로 자극시켜 얻은 림포카인으로 활성화시킨 대식세포에서는, 아무 처리를 하지 않은 대조 대식세포와 비교하였을 때 세포독성이 유의하게 증가되었으나 세포독성이 림포카인의 희석정도와는 비례하지 않았다. 또한 질트리코모나스에 세포독성을 나타내는 세포는 주로 플라스틱에 부착하는 대식세포임을 알 수 있었다.
AbstractList This study was aimed to observe the direct and Iymphokine-activated cell mediated cytotoxic effects against Trichomenas waginalis by mouse peritoneal macrophages. Cytotoxicity was measured as release of 3H-thymidine from prelabeled protozoa, and tested in U-bottom microtiter plates. A 0.1 ml suspension of labeled protozoa (2{\times}10^5/ml$) was placed in each well, followed by 0.1 ml of a suspension containing increasing numbers of peritoneal cells. After a 24 hr incubation at $37^{\circ}C$, 0.1ml of the supernatant was collected and counted in liquid scintillation counter. Mouse peritoneal macrophages had appreciable level of spontaneous cytotoxicity against T. maginalis at the effector to target cell ratios from 5 : 1 to 50 : 1, Treatment of macrophages with Iymphokine, produced by PHA-stimulated spleen cells, increased the cytotoxicity in comparison with resident macrophages against T. vaginalis. The degree of macrophage activation for the killing was not dependent upon the Iymphokine concentration. Peritoneal cells adherent to plastic displayed significant levels of cytotoxicity against T. vaginalis. This study indicates that mouse peritoneal macrophages are spontaneously cytotoxic for T. waginalis and Iymphokine increases the cytotoxicity by activating macrophages to kill T. vaginalis. 질트리코모나스(Trichomenas vaginalis)에 대한 마우스의 복강 대식세포 및 림포카인으 로 활성화시킨 대식세포의 세포독성을 각각 관찰하였다. 세포독성은 질트리로모나스를 3H-TdR로 label시킨 후 대식세포와 반응시켜 사멸한 원충에서 방출되는 방사능 양을 비교하여 측정하였다. 대식세포의 원충에 대한 비율을 1 : 1, 5 :1, 10 : 1, 20 : 1 및 50 : 1로 증가시키고 반응시간을 12시간 및 24시간으로 변화시켰을 때, 대식세포와 원충의 비율 10 : 1 및 24시간 반응의 경우 가장 놓은 세포독성을 보였다. 마우스 비장세포를 phytohemagglutinin으로 자극시켜 얻은 림포카인으로 활성화시킨 대식세포에서는, 아무 처리를 하지 않은 대조 대식세포와 비교하였을 때 세포독성이 유의하게 증가되었으나 세포독성이 림포카인의 희석정도와는 비례하지 않았다. 또한 질트리코모나스에 세포독성을 나타내는 세포는 주로 플라스틱에 부착하는 대식세포임을 알 수 있었다.
Author 安明姬(Myong-Hee Ahn)
柳在淑(Jae-Sook Ryu)
閔得映(Duk-Young Min)
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cellular immunity
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Title 질트리코모나스(Trichomonas vaginalis)에 대한 마우스 복강 대식세포의 세포독성
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