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Yakhteh Medical Journal. 2008; 10 (2): 109-120
Dans Anglais | IMEMR | ID: emr-90802

Résumé

Breast cancer is the most common cancer among women in the world. Early diagnosis of this cancer is a key element for its treatment. One of the approaches for diagnosis of breast cancer is detection of its tumour-associated markers. Hence, Her2 has been the main focus of the researches in the field. For diagnosis of Her2 overexpression, monoclonal antibodies [mAb] reacting against Her2 were produced in this study. For this purpose, two peptides from extracellular domain of Her2 were selected and the mAbs reacting against them were produced by hybrodoma technology. Reactivity of these antibodies were then evaluated in different immunological assays including ELISA, Immunoflurescence [IF], western blot [WB] and immunoprecipitation [IP]. Total of 5 clones were produced from two separate fusions, and antibody isotyping revealed that all clones were IgM. These mAbs showed appropriate reactivities in the following assays: ELISA, immunofluresence by staining of breast cancer cell line [SKBR3], WB and IP by detecting the 185 KD band of Her2. In conclusion, it seems that the mAbs are useful diagnostic tools for detection of Her2 expression in patients with breast cancer


Sujets)
Anticorps monoclonaux , Tumeurs du sein/diagnostic , Marqueurs biologiques tumoraux , Test ELISA , Technique d'immunofluorescence , Technique de Western , Immunoprécipitation , Gènes erbB-2
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