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항-AFP 단일클론 항체를 이용한 간암진단 효과의 검토
현광자,강신성,강희갑 경북대학교 유전공학연구소 1995 遺傳工學硏究所報 Vol.10 No.1
To check the possible application of our anti-AFP monoclonal antibodies (MAbs) as immunodiagnostic reagents for hepatocellular carcinoma, ELISA and immunohistochemical assay were performed on the sera and liver biopsy specimens from the patients of hepatocellular carcinoma and other non-malignant hepatic disease. By non-competitive ELISA using anti-AFP MAbs, the highest incidence of AFP value was found only in the sera of hepatocellular carcinoma patients, i.e., more than 54% of patients had serum AFP levels of more than 500 ng/㎖. By immunoperoxidase and indirect immunofluorescence techniques, anti-AFP MAbs were found to react with cytoplasm of hepatocellular carcinoma cells. However immunohistochemical reactivity to AFP in hepatocellular carcinoma cells was lower than that in non-neoplastic liver cells adjacent to the hepatocellular carcinoma. From these results with the similar findings from other studies, we suggest that AFP antigen is appropriate in the diagnosis assay (ELISA) but is not by immunohistochemical detection.
현광자,김규원 영남대학교 자원문제연구소 1998 資源問題硏究 Vol.17 No.-
Eight species of Korean wild Iridaceae, whose flower colors were distributed from red to purple, were investigated to figure out the effects of anthocyanidin composition, co-pigment and petal pH on flower color expression and evolution. Flower colors showed red, pale red purple, purple and pale blue purple. Iridaceae flowers were contained the six kinds of anthocyanidins : delphinidin, cyanidin, pelargonidin, petunidin, malvidin and peonidin in flowers, but flower color expression was absent in the one or six combination of these anthocyanidins. Major anthocyanidins were mainly hydroxylated anthocyanidins, whereas minor anthocyanidins were hydroxylated or methylated anthocyanidins. Major and minor anthocyanidins were pelargonidin and delphinidin in red flowers, were malvidin and petunidin in pale red purple flowers, and were delphinidin and petunidin in purple and pale blue purple flowers, respectively. Species which contained flavone were three and flavonol was not found in Korean wild Iridaceae. Petal pH was narrow, ranging 5.1~6.0. Thus co-pigment and petal pH did not affected expres-sion of flower color. Anthocyanidin combinations were diverse in the more evoluted species. Anthocyanidins, therefore, were assumed to be very important in the expression of flower color and evolution of Korean wild Iridaceae.