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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Acta neuropathologica 81 (1991), S. 503-509 
    ISSN: 1432-0533
    Schlagwort(e): Rosenthal fibers ; Ubiquitin ; Immunohistochemistry ; Glial fibrillary acidic protein ; Vimentin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Seventeen intracerebral gliomas containing Rosenthal fibers (RF) were studied by an immunoperoxidase method for localization of ubiquitin (UB), glial fibrillary acidic protein (GFAP), desmin and vimentin (VIM). The majority of RF showed an immunohistochemically negative core surrounded by a ring of overlapping reactions for UB, GFAP and VIM. Many RF were entirely negative for UB and intermediate filaments (IF). Immunoelectron microscopic lozalization of UB and GFAP was performed on seven selected tumors. UB was found in all RF and on IF in the proximity of RF. GFAP reaction was localized on astrocytic IF, including those trapped within RF, and within the granular component of some RF. In contrast to the light microscopic studies, neither GFAP-nor UB-negative RF were found on immunoelectron microscopy. VIM reaction on IF and a few RF was demonstrated in one tumor processed at low temperature into Lowicryl; it was much weaker than that for GFAP. Many cells with RF contained lysosome-like inclusions with material displaying electron density similar to adjacent RF; few of these inclusions were reactive for UB. It is concluded that RF formation is associated with ubiquitination of astrocytic IF. GFAP-and VIM-immunoreactive IF and products of their disintegration contribute to RF material. It is also suggested that the lysosomal system of astrocytes partially degrades RF.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Annals of oncology 10 (1999), S. 847-852 
    ISSN: 1569-8041
    Schlagwort(e): neo-adjuvant chemotherapy ; NSCLC ; radical radiotherapy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Accurate assessment and treatment of the patient with lung cancer requires a team approach involving respiratory physicians, cardiothoracic surgeons, oncologists and the palliative care team. Adequate staging and assessment of prognostic factors are essential before deciding what treatment is appropriate for an individual patient. Surgery is the mainstay of treatment for early disease. Patients with medically inoperable stage 1 (T1, T2, N0) tumours should be considered for radical radiotherapy; additional chemotherapy in early stage disease may offer an additional survival advantage, but its overall role can only be assessed by further clinical trials. In more locally advanced tumours radical radiotherapy has never been formally tested. It is however, often used in patients where the tumour can be encompassed safely within a radiation field. This will depend on total dose and fractionation schedule as well as the volume of tissue irradiated. Neo-adjuvant chemotherapy prolongs survival in these patients. As only a few patients are cured, symptom control and quality of life are usually the most important goals of management and can be achieved by a variety of interventions. It is disappointing that in such a common disease less than 5% of patients are entered into clinical trials. Without such evidence the therapeutic outcomes in NSCLC cannot be improved.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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