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1.
Artigo em Chinês | WPRIM | ID: wpr-336066

RESUMO

<p><b>OBJECTIVE</b>To study the expression of Aurora-B in non-small cell lung cancer (NSCLC) tissues and NSCLC cell lines.</p><p><b>METHOD</b>Aurora-B expression was examined using immunohistochemical SP method in 91 stage I and 69 stage II-III NSCLC tissues and 40 adjacent tissues. The mRNA and protein expressions of Aurora-B in NSCLC cell lines (A549, H460 and H1299) were examined by RT-PCR and Western blotting, respectively.</p><p><b>RESULTS</b>The protein expression of Aurora-B was detected in 77.7% (94/121) of the tumor tissues and 9.8% (4/41) of the adjacent tissues, showing a significant difference between them (P<0.01). The positivity rate of Aurora-B protein was not related with the gender and age of NSCLC patients, but with lymph node metastasis, differentiation and histological type of NSCLC (P<0.05). Aurora-B was expressed in all the NSCLC cell lines (A549, H460 and H1299) at both mRNA and protein levels. A549 cells showed the highest expression of Aurora-B.</p><p><b>CONCLUSION</b>Aurora-B protein is highly expressed in NSCLC tissues and cell lines, and may play a crucial role in the invasion, metastasis and development of NSCLC. The mRNA and protein expression levels of Aurora-B differ significantly between different NSCLC cell lines.</p>


Assuntos
Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Aurora Quinase B , Aurora Quinases , Carcinoma Pulmonar de Células não Pequenas , Metabolismo , Patologia , Neoplasias Pulmonares , Metabolismo , Patologia , Metástase Linfática , Proteínas Serina-Treonina Quinases , Genética , Metabolismo , RNA Mensageiro , Genética , Metabolismo , Células Tumorais Cultivadas
2.
Artigo em Chinês | WPRIM | ID: wpr-356535

RESUMO

To investigate the relationship between the single nucleotide polymorphism (SNPs) of the bcr and abl gene and chronic myelogeous leukemia (CML), the 9 sequence-tagged sites (STS) in bcr and abl gene were screened by DNA pooling and denaturing high performance liquid chromatography (dHPLC), and the results were varified by sequencing. The results showed that the polymorphism sites were detected in 4 out of the 9 STS fragments and there were 3 bases different from the reference sequence found in 3 fragments. In conclusion, the novel SNP in U07000 fragment shows significantly different frequencies between CML and controled people.


Assuntos
Humanos , Cromatografia Líquida de Alta Pressão , Métodos , Proteínas de Fusão bcr-abl , Genética , Genes abl , Genética , Leucemia Mielogênica Crônica BCR-ABL Positiva , Genética , Polimorfismo de Nucleotídeo Único , Proteínas Proto-Oncogênicas c-bcr , Genética , Análise de Sequência de DNA , Sitios de Sequências Rotuladas
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