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The Clinical and Histopathologic Features according to Loss of LKB1 Protein Expression on Primary Lung Cancer / 결핵및호흡기질환
Tuberculosis and Respiratory Diseases ; : 362-368, 2008.
Artigo em Coreano | WPRIM | ID: wpr-97155
ABSTRACT

BACKGROUND:

LKB1(STK11) is a serine/threonine kinase that functions as a tumor growth suppressor. The functions of LKB1 in lung cancer are not completely understood. This study evaluated the relationship between LKB1 protein expression and the clinicopathological features in lung cancer tissues.

METHODS:

The expression of LKB1 was studied in paraffin-embedded tumor blocks, which were obtained from 77 patients who had undergone surgery at Wonkwang University Hospital. The expression of the LKB1 protein was considered positive if the staining intensity in the tumor tissue adjacent to the normal airway epithelium was >30%.

RESULTS:

The LKB1 expression was positive in 31 (40%) of samples. Loss of LKB1 expression was significantly associated with being male, smoking history, and squamous cell carcinoma. In the peripheral sites, the loss of LKB1 expression was strongly associated with a smoking history. A loss of LKB1 expression was more frequently associated with progression according to TNM staging, particularly more than T2, N progression.

CONCLUSION:

There was a significant relationship between the loss of the LKB1 protein and gender, smoking history, and histological type in primary lung cancer. Although LKB1 expression was not found to be a significant prognostic factor, further studies with a larger cohort of patient's lung cancer tissue samples will be needed to confirm this.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fosfotransferases / Fumaça / Carcinoma de Células Escamosas / Fumar / Estudos de Coortes / Epitélio / Pulmão / Neoplasias Pulmonares / Estadiamento de Neoplasias Tipo de estudo: Estudo de etiologia / Estudo de incidência / Estudo observacional / Estudo prognóstico / Fatores de risco Limite: Humanos / Masculino Idioma: Coreano Revista: Tuberculosis and Respiratory Diseases Ano de publicação: 2008 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fosfotransferases / Fumaça / Carcinoma de Células Escamosas / Fumar / Estudos de Coortes / Epitélio / Pulmão / Neoplasias Pulmonares / Estadiamento de Neoplasias Tipo de estudo: Estudo de etiologia / Estudo de incidência / Estudo observacional / Estudo prognóstico / Fatores de risco Limite: Humanos / Masculino Idioma: Coreano Revista: Tuberculosis and Respiratory Diseases Ano de publicação: 2008 Tipo de documento: Artigo