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SMOOTH MUSCLE TUMORS OF THE GASTROINTESTINAL TRACT EXPRESSION OF RAS P21 ONCOGENE PRODUCT AND THE ASSOCIATION WITH CLINICOPATHOLOGY
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作者 蔡建辉 蒋贻康 +4 位作者 张玉印 吕贵华 张祥宏 高清泽 左连富 《Chinese Medical Journal》 SCIE CAS CSCD 1994年第9期45-49,共5页
Quantitative analysis of ras oncogene product P21 was performed on paraffin blocks from 55 smooth musele tumors of the gastrointestinal tract by immunofluorescence and flow cytometry.No positive evidence for P21 was f... Quantitative analysis of ras oncogene product P21 was performed on paraffin blocks from 55 smooth musele tumors of the gastrointestinal tract by immunofluorescence and flow cytometry.No positive evidence for P21 was found in 5 cases of normal smooth muscle tissues. 展开更多
关键词 FI In IO HP SMOOTH MUSCLE TUMORS OF THE GASTROINTESTINAL TRACT EXPRESSION OF RAS P21 oncogene product AND THE ASSOCIATION WITH CLINICOPATHOLOGY LS
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ANTIBODY TO ONCOGENE PROTEIN PRODUCT AND ITS CONJUGATE WITH RICIN A-CHAIN
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作者 刘辉 隋文作 刘连瑞 《Chinese Journal of Cancer Research》 SCIE CAS CSCD 1991年第4期51-54,共4页
The proteins encoded by oncogene were thought to be tumor associated antigen. The protein P110 in MGC803, a human gastric cancer cell line, was purified as immunogen. The IgY to the gastric cancer was extracted from e... The proteins encoded by oncogene were thought to be tumor associated antigen. The protein P110 in MGC803, a human gastric cancer cell line, was purified as immunogen. The IgY to the gastric cancer was extracted from eggs laid by immunized hen. The IgY could react immunohistochemically with gastric cancers. Positive staining rates of PAF were 80% in gastric cancers and markedly higher than in cancers of other organs and normal gastric tissue. The IgY-Ricin A was synthesized by the IgY conjugated with Ricin A- chain. TCID50 of MGC803 treated by the IgY-Ricin A was 0. 01 mg/ml and markedly lower than other cell. These results showed the IgY-Ricin A were able to react with gastric cancers selectively. 展开更多
关键词 oncogene protein product Ricin A-chain antibody.
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Correlated Flow Cytometric Analysis of H-ras p21 and DNA Ploidy in Acute Myelogenous Leukemia
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作者 林凤茹 刘素云 +4 位作者 任金海 卫俊萍 徐世荣 刘润生 姚尔国 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 1996年第2期75-77,共3页
The flow cytometric immunoassay was used to study the correlation between the H-ras oncogene product p21 and the DNA ploidy in 30 de novo cases of acute myelogenous leukemia (AML). The results showed that 17 cases wer... The flow cytometric immunoassay was used to study the correlation between the H-ras oncogene product p21 and the DNA ploidy in 30 de novo cases of acute myelogenous leukemia (AML). The results showed that 17 cases were negative for p21 expression and 13 positive for p21. The patients with positive p21 had higher percentage of bone marrow and peripheral blasts and lower peripheral leukocyte count. The expression of p21 had no influence on the therapeutic effect. Before treatment,DNA diploidy occurred in 18 cases including 13 p21 negative ones,and DNA aneuploidy was revealed in 12 cases including 8 p21 positive ones. Patients with positive p21 or having aneuploidy in complete remission were at risk for early relapse. Our results suggest that p21 may be involved in the process of leukemogenesis and progression in AML. 展开更多
关键词 ras oncogene product p21 DNA ploidy flow cytometry acute myelogenous Leukemia
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