Enhanced Expression of Neuron‐specific Enolase (NSE) in Pyothorax‐associated Lymphoma (PAL)
Pyothorax‐associated lymphoma (PAL) is a B‐cell lymphoma of mostly large cell type developing in the pleural cavity of patients with long‐standing pyothorax. Neuron‐specific enolase (NSE) is an enolase comprising γ subunit and is located at high levels in neuronal and neuroendocrine cells, together...
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Veröffentlicht in: | Cancer science 2002-04, Vol.93 (4), p.411-416 |
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Sprache: | eng |
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Zusammenfassung: | Pyothorax‐associated lymphoma (PAL) is a B‐cell lymphoma of mostly large cell type developing in the pleural cavity of patients with long‐standing pyothorax. Neuron‐specific enolase (NSE) is an enolase comprising γ subunit and is located at high levels in neuronal and neuroendocrine cells, together with their neoplasias. Expression of NSE at protein and mRNA levels was examined in PAL and other types (non‐PAL) of non‐Hodgkin's lymphomas. In PAL, serum levels of NSE were elevated (5.32 to 168.0, mean 42.6 ng/ml) and tended to decrease after incisional biopsy followed by chemotherapy (2.38 to 195.5, mean 34.1 ng/ml). Two cell lines established from two cases of PAL produced and secreted NSE in the culture medium. Immunohistochemistry revealed that the positive rate for NSE staining in PAL (10 of 14 cases, 71.4%) was significantly higher than that in non‐PAL cases (6 of 38 cases, 15.8%) (P |
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ISSN: | 0910-5050 1347-9032 1349-7006 1876-4673 |
DOI: | 10.1111/j.1349-7006.2002.tb01272.x |