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Chinese Journal of Biotechnology ; (12): 447-451, 2002.
Artículo en Chino | WPRIM | ID: wpr-256187

RESUMEN

Different factors including hybridization solution components, hybridization temperature, and the concentration and proportion of the labelled primer, which affected the sensitivity and specificity of single mutation identification, were exploited. Asymmetric PCR increased the hybridization sensitivity, and the asymmetric multi-PCR did not affect the specificity, while the sensitivity was improved a little. Among 30 lung cancer samples detected with the oligonucleotide microarray, 12 was found P53 gene mutations and 5 had K-ras gene mutations. The P53 gene mutations identified by the oligonucleotide microarray was proved 80% same as the sequencing results. The obvious statistical relations of K-ras and P53 gene mutations with tumor type, tumor stage and smoking were not obtained because of less samples and mutation sites.


Asunto(s)
Humanos , Genes ras , Genética , Neoplasias Pulmonares , Genética , Patología , Mutación , Análisis de Secuencia por Matrices de Oligonucleótidos , Métodos , Oligonucleótidos , Genética , Sensibilidad y Especificidad , Proteína p53 Supresora de Tumor , Genética
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