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  • 1
    Electronic Resource
    Electronic Resource
    Identification of placental form of glutathione s-transferase in ACNU-resistant murine glioma cell lines (1993)
    Springer
    Journal of neuro-oncology 17 (1993), S. 205-213 
    Details
    ISSN: 1573-7373
    Keywords: GST-P ; glioma ; ACNU ; resistance ; MTT assay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Expression of the placental form of glutathione S-transferase (GST-P) in 1-(4-amino-2-methyl-5-pyrimidinyl) methyl-3-(2-chloro-ethyl)-3-nitrosourea hydrochloride (ACNU)-sensitive 9L and C6 glioma cells, and ACNU-resistant 9L (9LR) and C6 (C6R) glioma cells was investigated by Northern blot analysis for GST-P mRNA and Western blot analysis for GST-P protein. The sensitivity of 9L, 9LR, C6 and C6R cell lines to ACNU was evaluated by microculture tetrazolium assay. Localization of GST-P protein in these cell lines was investigated by immunocytochemical method. Expression level of GST-P mRNA in 9LR cells was 3 times that of 9L cells and the level of GST-P protein in 9LR cells was 1.7 times that of 9L cells. On the contrary, the amount of GST-P mRNA of C6R cells was 1.3-fold larger than C6 cells and that of GST-P protein of C6R cells was 1.3-fold larger than C6 cells. Immunocytochemical investigation revealed that 9LR cells had stronger expression of GST-P in their cytoplasm than 9L cells. Expression of GST-P in both C6R and C6 cells was less than 9L and 9LR cells, and the amount was similar to each other. The present study suggests that GST-P may play an important role in detoxification of anti-cancer drugs in some glioma cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01049976
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  • 2
    Electronic Resource
    Electronic Resource
    Chordoid meningioma (2000)
    Springer
    Brain tumor pathology 17 (2000), S. 153-157 
    Details
    ISSN: 1861-387X
    Keywords: Chordoid meningioma ; Castleman syndrome ; Electron microscopy ; Immunohistochemistry ; Magnetic resonance image
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Chordoid meningioma is a relatively rare variant that is often associated with peritumoral lymphoplasmacellular infiltration causing Castleman syndrome (CS). We present a 44-year-old woman with chordoid meningioma not associated with CS. The patient presented with epilepsy and right hemiparesis (Todd's palsy) on admission. The radiological findings revealed an extraaxial mass lesion in the premotor cortex. They were compatible with a preoperative diagnosis of meningioma. No physical abnormalities related to CS were detected. A left frontal craniotomy was performed. The tumor surface was gelatinous, and it was totally resected with the attached dura mater (Simpson grade I). The patient had an uneventful recovery, and her seizures subsided. The pathological findings of the specimens revealed nests and cords of spindle and epithelioid cells with abundant myxoid matrix, mimicking the features of chordoma. On the basis of radiological, immunohistochemical, and electron microscopic findings, chordoid meningioma was verified, and a review of the literature was performed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02484287
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    Paper (German National Licenses)
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