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[Transcriptional expression of apoptosis suppression gene bcl-2 in non-small cell lung carcinoma]. 2000

Y Wang, and Q Zhou, and J Liu, and W Zhang, and H Jing, and L Liu, and J Chen
Department of Thoraco-cardiac Surgery, the First Affiliated Hospital, West China University of Medical Sciences, Chengdu, Sichuan, P. R. China. cdwang yun@mail.sc.cninfo.net

OBJECTIVE To investigate the role of Bcl-2 gene in oncogenesis and progression of non-small cell lung carcinoma(NSCLC). METHODS The mRNA expressions of Bcl-2 gene in a series of 137 pulmonary tissues collected at various sites and with different properties were studied with Northern hybridization and non-radioactive digoxigenin labeling and detection system. RESULTS According to the observations on benign lesions, non-cancer tissues distant from tumour, para-tumour tissues and cancer tissues, there was a tendency of mRNA expression increasing of Bcl-2 gene. Among them, Bcl-2 mRNA expression in lung cancer tissues was significantly increased, compared with that in benign lesions and tissues distant from tumour (P<0.01). The Bcl-2 mRNA expression in lymph node with cancer metastasis was significantly higher than that in lymph node without cancer metastasis(P<0.05). The Bcl-2 mRNA expression was relative to cell differentiation of the cancer, but not to the histological classification. CONCLUSIONS Over expression of Bcl-2 gene might be involved in the oncogenesis and metastasis of NSCLC.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D008207 Lymphatic Metastasis Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. Lymph Node Metastasis,Lymph Node Metastases,Lymphatic Metastases,Metastasis, Lymph Node
D002289 Carcinoma, Non-Small-Cell Lung A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy. Carcinoma, Non-Small Cell Lung,Non-Small Cell Lung Cancer,Non-Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinoma,Nonsmall Cell Lung Cancer,Carcinoma, Non Small Cell Lung,Carcinomas, Non-Small-Cell Lung,Lung Carcinoma, Non-Small-Cell,Lung Carcinomas, Non-Small-Cell,Non Small Cell Lung Carcinoma,Non-Small-Cell Lung Carcinomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012333 RNA, Messenger RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm. Messenger RNA,Messenger RNA, Polyadenylated,Poly(A) Tail,Poly(A)+ RNA,Poly(A)+ mRNA,RNA, Messenger, Polyadenylated,RNA, Polyadenylated,mRNA,mRNA, Non-Polyadenylated,mRNA, Polyadenylated,Non-Polyadenylated mRNA,Poly(A) RNA,Polyadenylated mRNA,Non Polyadenylated mRNA,Polyadenylated Messenger RNA,Polyadenylated RNA,RNA, Polyadenylated Messenger,mRNA, Non Polyadenylated
D014158 Transcription, Genetic The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION. Genetic Transcription
D019254 Genes, bcl-2 The B-cell leukemia/lymphoma-2 genes, responsible for blocking apoptosis in normal cells, and associated with follicular lymphoma when overexpressed. Overexpression results from the t(14;18) translocation. The human c-bcl-2 gene is located at 18q24 on the long arm of chromosome 18. bcl-2 Genes,c-bcl-2 Genes,c-bcl-2 Proto-Oncogenes,Gene, bcl-2,Gene, c-bcl-2,Genes, bcl 2,Genes, c-bcl-2,Proto-Oncogene, c-bcl-2,Proto-Oncogenes, c-bcl-2,bcl 2 Genes,bcl-2 Gene,c bcl 2 Genes,c bcl 2 Proto Oncogenes,c-bcl-2 Gene,c-bcl-2 Proto-Oncogene

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