Immunohistochemical evaluation of intracranial recurrent meningiomas : correlation of topoisomerase II alpha expression and cell proliferative potential
Most of meningiomas belong to benign tumor. But inspite of Simpson grade I surgical resection, it had been reported that a part of these cases recurred after initial operation. In discussing tumor recurrence in meningioma, it is important to evaluate not only the extent of surgical resection and malignancy but also cell proliferative potential, which had been studied immunohistochemically by using BudR, PCNA and MIB-1. Recently, it is known that topoisomerase (Topo) II alpha expression becomes remarkable in tumorigenesis. The correlation with cell proliferative potential has been reported. In this paper we evaluated the relationship of cell proliferative potential and tumor recurrence immunohistochemically by using Topo II alpha and MIB-1 monoclonal antibody in the 21 recurrent cases of meningiomas and hemangiopericytomas. As a result, mean Topo II alpha staining index (SI) and MIB-1 SI initial surgical resection were 2.29% and 3.41%, respectively, at recurrence these SIs had risen at 4.3% and 6.25%, respectively. As to the interval from initial surgical resection to recurrence, in the cases which recurred under 3 years Topo II alpha SI and MIB-1 SI were 3.13% and 5.00%, on the other hand, in the cases which recurred later than 3 years were 1.16% and 1.30%, respectively. Topo II alpha SI and MIB-1 SI 1 of former cases were higher than latter cases. Furthermore good correlation between the Topo II alpha SI and MIB-1 SI was found. It is concluded that Topo II alpha expression was as well available for the marker of cell proliferative potential and for one of the predicting factors for tumor recurrence in meningioma and hemangiopericytoma as MIB-1 SI.
| Medienart: |
Artikel |
|---|
| Erscheinungsjahr: |
1999 |
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| Erschienen: |
1999 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:51 |
|---|---|
| Enthalten in: |
No to shinkei = Brain and nerve - 51(1999), 12 vom: 15. Dez., Seite 1033-9 |
| Sprache: |
Japanisch |
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| Beteiligte Personen: |
Tanaka, M [VerfasserIn] |
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| Themen: |
Antibodies, Monoclonal |
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| Anmerkungen: |
Date Completed 24.02.2000 Date Revised 16.11.2017 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM105830283 |
|---|
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| 100 | 1 | |a Tanaka, M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Immunohistochemical evaluation of intracranial recurrent meningiomas |b correlation of topoisomerase II alpha expression and cell proliferative potential |
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| 500 | |a Date Completed 24.02.2000 | ||
| 500 | |a Date Revised 16.11.2017 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Most of meningiomas belong to benign tumor. But inspite of Simpson grade I surgical resection, it had been reported that a part of these cases recurred after initial operation. In discussing tumor recurrence in meningioma, it is important to evaluate not only the extent of surgical resection and malignancy but also cell proliferative potential, which had been studied immunohistochemically by using BudR, PCNA and MIB-1. Recently, it is known that topoisomerase (Topo) II alpha expression becomes remarkable in tumorigenesis. The correlation with cell proliferative potential has been reported. In this paper we evaluated the relationship of cell proliferative potential and tumor recurrence immunohistochemically by using Topo II alpha and MIB-1 monoclonal antibody in the 21 recurrent cases of meningiomas and hemangiopericytomas. As a result, mean Topo II alpha staining index (SI) and MIB-1 SI initial surgical resection were 2.29% and 3.41%, respectively, at recurrence these SIs had risen at 4.3% and 6.25%, respectively. As to the interval from initial surgical resection to recurrence, in the cases which recurred under 3 years Topo II alpha SI and MIB-1 SI were 3.13% and 5.00%, on the other hand, in the cases which recurred later than 3 years were 1.16% and 1.30%, respectively. Topo II alpha SI and MIB-1 SI 1 of former cases were higher than latter cases. Furthermore good correlation between the Topo II alpha SI and MIB-1 SI was found. It is concluded that Topo II alpha expression was as well available for the marker of cell proliferative potential and for one of the predicting factors for tumor recurrence in meningioma and hemangiopericytoma as MIB-1 SI | ||
| 650 | 4 | |a Journal Article | |
| 650 | 7 | |a Antibodies, Monoclonal |2 NLM | |
| 650 | 7 | |a Antigens, Neoplasm |2 NLM | |
| 650 | 7 | |a Biomarkers, Tumor |2 NLM | |
| 650 | 7 | |a DNA-Binding Proteins |2 NLM | |
| 650 | 7 | |a Isoenzymes |2 NLM | |
| 650 | 7 | |a Proliferating Cell Nuclear Antigen |2 NLM | |
| 650 | 7 | |a DNA Topoisomerases, Type II |2 NLM | |
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| 700 | 1 | |a Tajika, Y |e verfasserin |4 aut | |
| 700 | 1 | |a Takahashi, T |e verfasserin |4 aut | |
| 700 | 1 | |a Suzuki, S |e verfasserin |4 aut | |
| 700 | 1 | |a Takakura, K |e verfasserin |4 aut | |
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