Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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Gewählte Publikation:

Höfler, H; Ruhri, C; Pütz, B; Wirnsberger, G; Hauser, H.
Oncogene expression in endocrine pancreatic tumors.
Virchows Arch B Cell Pathol Incl Mol Pathol. 1988; 55(6):355-361
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Autor/innen der Med Uni Graz:
Hauser Hubert
Wirnsberger Gerhard
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Abstract:
The mRNA expression of the (proto)oncogenes Ha-ras, Ki-ras, fos, c-myc, N-myc, and sis was studied in five pancreatic endocrine tumors and two non-neoplastic pancreatic tissues. Compared with non-tumorous pancreatic tissue, Ha-ras and Ki-ras mRNA was overexpressed up to 42-fold in all the tumors; metastasizing tumors showed 2-6 times higher Ha-ras mRNA levels than benign neoplasias. In contrast, c-myc mRNA levels were higher in normal tissue than n tumors and fos mRNA levels did not differ significantly between tumors and normal tissue. The activities of Ki-ras, fos and c-myc mRNA expression did not correlate with any of the histological or biological properties of the tumors, nor with the clinical course of disease. Our results, although based on a limited number of cases, suggest tha Ha-ras and Ki-ras mRNA overexpression is associated with the development of pancreatic endocrine tumors. The measurement of Ha-ras mRNA levels may contribute to the assessment of tumor prognosis.
Find related publications in this database (using NLM MeSH Indexing)
Adult -
Female -
Gene Expression Regulation -
Humans -
Male -
Middle Aged -
Nucleic Acid Hybridization -
Oncogenes -
Pancreatic Neoplasms - genetics
Proto-Oncogenes - genetics
RNA Probes - genetics
RNA, Messenger - genetics

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