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自发性高血压大鼠淋巴细胞及T淋巴瘤细胞mRNA体外转译血管紧张素Ⅱ样物质
引用本文:张东吉,杨贵贞.自发性高血压大鼠淋巴细胞及T淋巴瘤细胞mRNA体外转译血管紧张素Ⅱ样物质[J].中国免疫学杂志,1990(3).
作者姓名:张东吉  杨贵贞
作者单位:白求恩医科大学免疫学教研室 130021 (张东吉),白求恩医科大学免疫学教研室 130021(杨贵贞)
摘    要:自发性高血压大鼠(SHR)及WKA大鼠脾淋巴细胞和胸腺细胞RNA,MLA—144T淋巴瘤细胞Poly(A)~+RNA置麦胚无细胞体外翻译系统中转译,用放免法在其产物中测得irAⅡ。并在MLA—144Poly(A)~+RNA转译产物中测得irAⅠ及肾素样活性。提示淋巴细胞含有转译血管紧张素样免疫活性物质的模板mRNA。在最佳转译浓度下SHR脾淋巴细胞及胸腺细胞RNA的irAⅡ转译率明显高于WKA大鼠.经ConA刺激的淋巴细胞RNA体外iraⅡ转译率有明显增加。

关 键 词:血管紧张素Ⅱ样免疫活性物质(irAⅡ)  自发性高血压大鼠(SHR)  淋巴细胞  MLA—144细胞  mRNA体外翻译

Immunoreactive angiotensin II (irAII) translated by lymphocyte mRNA from spontaneously hypertensive rats (SHR) and T lymphosarcoma cells in vitro
Zhang Dongji,Yang Guizhen.Immunoreactive angiotensin II (irAII) translated by lymphocyte mRNA from spontaneously hypertensive rats (SHR) and T lymphosarcoma cells in vitro[J].Chinese Journal of Immunology,1990(3).
Authors:Zhang Dongji  Yang Guizhen
Institution:Zhang Dongji,Yang Guizhen Department of Immunology,Norman Bethune University of Medical Sciences,Changchun 130021
Abstract:irAII was translated by SHR and WKA rat spleen lymphocyte and thymocyte RNA in wheat germ free synthesizing system. The translation efficency of irAII at the most proper concentration of SHR immune cell RNA is higher than that of WKA rat immune cell RNA. the result also showed that irAII translation was increased in the rat spleen lymphocytes stimulated by concanavalin A (ConA). Furthermore, irAII, irAI and renin-like were translated by MLA-144 cell (T lymphosarcoma cell) poly (A) RNA in cell free translation system from wheat germ. The results proved that the immune cells of rats produce irAII in a constitutive or inducible fashion for the first time.
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