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동남참게(Eriocheir japonicus) 의 난황단백질 정제와 그 전구체의 합성부위 구명
한창희,배현환 한국수산학회 1992 한국수산과학회지 Vol.25 No.5
동남참게, Eriocheir japonicus의 난황단백전구체 합성부위를 면역조직화학적인 방법으로 구명하기 위하여, 난황단백질을 정제하고, 이 단백질에 대한 항혈청을 제작하여 난황단백질에 대한 면역학적인 성질을 밝힌 후, 난황단백전구체의 항체가 존재하는 항 난황단백혈청을 사용하여 PAP(peroxidase-antiperoxidase)법으로 생식소, 간췌장, 근육조직을 대상으로 면역조직화학 반응을 시켰다. 성숙한 암, 수혈청에 대한 면역전기영동과 Ouchterlony 면역확산 실험에 의하여 암혈청내에는 암 특이성혈청단백질이 있음이 밝혀졌다. 암, 수혈청에 대한 항혈청과 난황형성중인 암혈청에 대한 조난황단백추출액에 대하여 면역전기영동과 Ouchterlony 면역확산 실험을 행한 결과, 암 특이성혈청단백질은 난황단백전구체임이 밝혀졌다. 조난황단백추출액으로 부터 DEAE 이온교환 chromatography와 sepharose CL-4B gel 여과법에 의하여 난황단백질을 정제하였으며, 이 난황단백질의 분자량을 sepharose CL-4B gel 여과법에 의하여 추정한 결과 분자량은 약 245,000 dalton이었다. 또한 난황단백질은 면역학적인 분석에 의하여 난황단백질에 대한 항혈청에는 난황단백전구체에 대한 항체가 존재하고 있음이 증명되었다. 난황단백질에 대한 토끼 항혈청을 이용하여 PAP법에 의한 면역조직화학반응을 시킨 결과, 난황형성중인 난모세포와 성숙한 암참게의 간췌장은 양성반응이 나타는데 반하여 난소내의 여포세포층과 난황형성전 난모세포, 근육층 그리고 성숙한 수참게의 간췌장은 전혀 양성반응이 나타나지 않았다. 따라서 본 종의 난황단백전구체의 합성부위는 간췌장임을 알 수 있다. To identify the histological site of synthesis of yolk protein precursor, vitellogenin, by immunocytochemical method in the freshwater crab Eriocheir japonicus, we purified the yolk protein, vitellin, from crude egg extracts, and prepared the anti-rabbit serum against vitellin. Then, the site of vitellogenin synthesis was demonstrated by immunocytochemical method with PAP(peroxidase-antiperoxidase) reaction using the rabbit antiserum aganist vitellin. Female specific serum protein was identified in female serum by immunoelectrophoresis and Ouchterlony's immunodiffusion test for mature male and female sera. Based on the immunoelectrophoresis and Ouchterlony's diffusion test for mature male and female sera and crude egg extracts using antiserum against vitellogenic female serum absorbed with male serum, the female specific serum protein was identified as vitellogenin, detected in female serum only. The major yolk protein, vitellin, was purified from the crude egg extracts by DEAE-cellulose ion exchange chromatography, followed by sepharose CL-4B gel filteration chromatography. The molecular weight of vitellin was estimated to be about 245,000 dalton by sepharose CL-4B gel filteration chromatography. From the results of immunological analysis for vitellin, it was found that the vitellin antiserum contained the antibody against vitellogenin. In the results of immunocytochemical reaction by PAP method with the rabbit antiserum against vitellin, the vitellogenic oocytes and the hepatopancreas of mature female showed positive PAP reaction, but not in follicle cells and previtellogenic oocytes of ovary, muscle of female and mature male hepatopancreas. Therefore, it showed that the hepatopancreas of mature female is the site of vitellogenic synthesis.
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동남참게(Eriocheir japonicus)의 난황단백질 정제와 그 전구체의 합성부위 구명
한창희,배현환 동의대학교 기초과학연구소 1993 基礎科學硏究論文集 Vol.3 No.1
To identify the histological site of synthesis of yolk protein precursor, vitellogenin, by immunocytochemical method in the freshwater crab Eriocheir japonicus, we purified the yolk protein, vitellin, from crude egg extracts, and prepared the anti-rabbit serum against vitellin. Then, the site of vitellogenin synthesis was demonstrated by immunocytochemical method with PAP(peroxidase-antiperoxidase) reaction using the rabbit antiserum against vitellin. Female specific serum protein was identified in female serum by immunoelectrophoresis and Ouchterlony's immunodiffusion test for mature male and female sera. Based on the immunoelectrophoresis and Ouchterlony's diffusion test for mature male and female sera and crude egg extracts using antiserum against vitellogenic female serum absorbed with male serum, the female specific serum protein was identified as vitellogenin, detected in female serum only. The major yolk protein, vitellin, was purified from the crude egg extracts by DEAE-cellulose ion exchange chromatography, followed by sepharose CL-4B gel filteration chromatography. The molecular weight of vitellin was estimated to be about 245,000 dalton by sepharose CL-4B gel filteration chromatography. From the results of immunological analysis for vitellin, it was found that the vitellin antiserum contained the antibody against vitellogenin. In the results of immunocytochemical reaction by PAP method with the rabbit antiserum against vitellin, the vitellogenic oocytes and the hepatopancreas of mature female showed positive PAP reaction, but not in follicle cells and previtellogenic oocytes of ovary, muscle of female and mature male hepatopancreas. Therefore, it showed that the hepatopancreas of mature female is the site of vitellogenic synthesis.
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