Role of survivin re-expression in the development and progression of non-small cell lung cancer.
Tumour Biol
; 36(7): 5543-50, 2015 Jul.
Article
en En
| MEDLINE
| ID: mdl-25677909
Survivin is highly expressed in fetal tissue and is completely absent in terminally differentiated cells, but its re-expression has been observed in most human tumors. Presently, we aimed to analyze the possible impact of the survivin gene (-31G > C, rs 9904341) promoter polymorphism on the expression profile of survivin gene and ultimately the role of survivin re-expression in the development and progression of non-small cell lung cancer. A case-control study of 100 non-small cell lung cancer patients and 100 cancer-free healthy controls was conducted. Survivin gene promoter polymorphism was analyzed by PCR-restriction fragment length polymorphisms (RFLP) technique, and the survivin expression profile was evaluated using quantitative real-time PCR assay. Compared to the survivin GG genotype, odd ratio of 3.2 (95 % CI 4.8-25.9, p = 0.004) was found to be associated to homozygous CC genotype with 15-fold increase of survivin gene expression in non-small cell lung cancer patients. Significant trend of increase in survivin expression was observed with the increase in severity of the disease. Patients with survivin (-31CC) genotype had significantly shorter overall survival compared to survivin (-31GG) genotype carriers. In addition, advanced disease status and significant poor overall survival were also reflected by patients with higher-fold increase in survivin gene expression. In conclusion, present study demonstrated that survivin (-31G > C) polymorphism may contribute to the risk of developing non-small cell lung cancer in Indian population. Survivin (-31CC) genotype was associated with significantly increased survivin gene expression and ultimately may contribute in the poor clinical outcome of non-small cell lung cancer patients, suggesting its possible significance in the development and progression of non-small cell lung cancer.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Pronóstico
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Carcinoma de Pulmón de Células no Pequeñas
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Predisposición Genética a la Enfermedad
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Proteínas Inhibidoras de la Apoptosis
Tipo de estudio:
Observational_studies
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Prognostic_studies
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Risk_factors_studies
Límite:
Adult
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Aged
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Aged80
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Female
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
Tumour Biol
Asunto de la revista:
NEOPLASIAS
Año:
2015
Tipo del documento:
Article
País de afiliación:
India
Pais de publicación:
Países Bajos