beta 1-Integrin expression in papillary thyroid carcinoma. 1998

C Ensinger, and P Obrist, and C Bacher-Stier, and G Mikuz, and R Moncayo, and G Riccabona
Institute of Pathology, University of Innsbruck, Austria.

beta 1-integrins are widespread adhesion molecules which belong to a family of heterodimeric membrane glycoproteins and consist of two subunits, alpha and beta. Integrins seem to play an important role in the spreading and metastasis of malignant tumors. We investigated the expression and distribution of these adhesion molecules on papillary thyroid carcinomas by immunohistochemistry on formalin-fixed, paraffin embedded cancer tissues. We estimated the beta 1-integrin expression in cancerous areas in comparison to normal adjacent thyroid tissue. Our results revealed a highly significant difference in all investigated parameters between cancer and normal thyroid cells (p < 0.0001). Comparing our findings with the metastatic potential of the primary thyroid tumors, our results show that beta 1-integrin expression could be used as a prognostic parameter for papillary thyroid tumors.

UI MeSH Term Description Entries
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
D009362 Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. Metastase,Metastasis,Metastases, Neoplasm,Metastasis, Neoplasm,Neoplasm Metastases,Metastases
D002291 Carcinoma, Papillary A malignant neoplasm characterized by the formation of numerous, irregular, finger-like projections of fibrous stroma that is covered with a surface layer of neoplastic epithelial cells. (Stedman, 25th ed) Carcinomas, Papillary,Papillary Carcinoma,Papillary Carcinomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013961 Thyroid Gland A highly vascularized endocrine gland consisting of two lobes joined by a thin band of tissue with one lobe on each side of the TRACHEA. It secretes THYROID HORMONES from the follicular cells and CALCITONIN from the parafollicular cells thereby regulating METABOLISM and CALCIUM level in blood, respectively. Thyroid,Gland, Thyroid,Glands, Thyroid,Thyroid Glands,Thyroids
D013964 Thyroid Neoplasms Tumors or cancer of the THYROID GLAND. Cancer of Thyroid,Thyroid Cancer,Cancer of the Thyroid,Neoplasms, Thyroid,Thyroid Adenoma,Thyroid Carcinoma,Adenoma, Thyroid,Adenomas, Thyroid,Cancer, Thyroid,Cancers, Thyroid,Carcinoma, Thyroid,Carcinomas, Thyroid,Neoplasm, Thyroid,Thyroid Adenomas,Thyroid Cancers,Thyroid Carcinomas,Thyroid Neoplasm
D016764 Cell Polarity Orientation of intracellular structures especially with respect to the apical and basolateral domains of the plasma membrane. Polarized cells must direct proteins from the Golgi apparatus to the appropriate domain since tight junctions prevent proteins from diffusing between the two domains. Cell Polarities,Polarities, Cell,Polarity, Cell
D019012 Integrin beta1 Integrin beta chain expressed as a heterodimer that is non-covalently associated with specific alpha-chains of the CD49 family (CD49a-f). It is expressed on resting and activated leukocytes and is a marker for all of the very late activation antigens on cells. (from: Barclay et al., The Leukocyte Antigen FactsBook, 1993, p164) Antigens, CD29,CD29 Antigens,4B4 Antigen,CD29 Antigen,CDw29 Antigen,beta1 Integrin,Antigen, 4B4,Antigen, CD29,Antigen, CDw29,Integrin, beta1

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