Distribution of beta-enolase in normal and tumor rat cells

Enolase - a glycolytic enzyme is also expressed on the surface of eukaryotic cells such as macrophages, neutrophils, endothelial, neuronal, tumor cells. Surface enolase as plasminogen receptor plays an important role in myogenesis, tumorgenesis and angiogenesis. Determination of enolase localization...

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Published in:Folia histochemica et cytobiologica 2009-01, Vol.46 (4), p.519-524
Main Authors: Tomasz Dawiskiba, Julita Kulbacka, Jolanta Saczko, Regina Danielewicz, Iwona S Bednarz-Misa, Ewa Seweryn, Jadwiga Pietkiewicz
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container_issue 4
container_start_page 519
container_title Folia histochemica et cytobiologica
container_volume 46
creator Tomasz Dawiskiba
Julita Kulbacka
Jolanta Saczko
Regina Danielewicz
Iwona S Bednarz-Misa
Ewa Seweryn
Jadwiga Pietkiewicz
description Enolase - a glycolytic enzyme is also expressed on the surface of eukaryotic cells such as macrophages, neutrophils, endothelial, neuronal, tumor cells. Surface enolase as plasminogen receptor plays an important role in myogenesis, tumorgenesis and angiogenesis. Determination of enolase localization in the cell lines may give rise to the elucidation of its receptor function in tumor cells. The cellular localization of the muscle-specific isoform of the enolase in normal rat cardiomyocytes (H9c2, an embryonic rat heart-derived cell line) and a rat sarcoma (R1) cell line is reported here. Immunocytochemical assays showed that this enolase isoform is freely diffused in the sarcoplasm of rat cells. The evident location of enolase molecules on the perinuclear surface is observed in immunofluorescence assays. Enolase localization on the surface of some intact normal rat cardiomyocytes was also observed. This surface protein maintains enolase catalytic activity.
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title Distribution of beta-enolase in normal and tumor rat cells
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