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Journals and Conferences
Two human glioma cell lines were examined for multidrug resistance (MDR). A vincristine (VCR)-resistant glioma cell line showed a cross resistance to Adriamycin (doxorubicin, ADR) and etoposide (VP-16) to varying extents, suggesting the presence of MDR; the resistance to VCR was considerably decreased by calcium entry blockers. On the other hand, another… (More)
BACKGROUND The natural ambulatory activity patterns of older adults are not well understood. User-worn monitors illuminate patterns of ambulatory activity and generate data suitable for analysis using measures derived from nonlinear dynamics. METHODS Ambulatory activity data were collected continuously from 157 community-dwelling older adults for 2 weeks.… (More)
The presence of fibronectin (FN) and glial fibrillary acidic protein (GFAP) in two astrocytomas, 17 glioblastomas, and five meningiomas was studied by indirect immunoproxidase staining of formalin-fixed and paraffin-embedded surgical specimens. Angiogenesis in tumor was scored by the microscopic angiogenesis grading system (MAGS), and plasma FN levels were… (More)
The expression of glial fibrillary acidic protein, fibronectin (FN), factor VIII-related antigen (FVIII/RAG), and of three monohistiocytic markers, lysozyme, α-1-antitrypsin and α-1-antichymotrypsin was examined in five gliosarcomas (GS) by peroxidase-antiperoxidase immunostaining of formalinfixed and paraffin-embedded specimens, and compared with vascular… (More)
Formalin-fixed and paraffin-embedded specimens of 24 human gliomas were examined histochemically with five lectins: concanavalin A (Con A), wheat germ agglutinin (WGA), Ricinus communis agglutinin 1 (RCA-1), peanut agglutinin (PNA), and Ulex europaeus agglutinin 1 (UEA-1). Although the staining intensity with lectins was variable, tumor cells in five… (More)
The relation of lymphoma cells to gliomesenchymal stroma within nervous tissue was studied by peroxidase-antiperoxidase immunostaining of formalin-fixed and paraffin-embedded surgical specimens for fibronectin (FN), factor VIII-related antigen and glial fibrillary acidic protein in 17 malignant non-Hodgkin lymphomas of the brain. For comparison, 9… (More)
A 56-year-old man with lung cancer developed a massive intracerebral hematoma resulting from rupture of a small neoplastic aneurysm in a cortical branch of the left posterior temporal artery. Histologically, undifferentiated squamous cells formed an embolus in the aneurysm and destroyed the aneurysm wall. No tumor mass was evident around the aneurysm.
Eight hemangioblastomas and two hemangiopericytomas were studied using indirect immunoperoxidase stains for fibronectin (FN) and glial fibrillary acidic protein (GFAP) in formalin-fixed, paraffinembedded surgical specimens. Stromal cells in hemangioblastomas were GFAP-negative and showed variable FN expression, while GFAP-positive cells were FN-negative,… (More)
Interspecies difference in expression of the c-myc gene between two human and three rat glioma cell lines was studied with use of a human c-myc probe. The c-myc deoxyribonucleic acid (DNA) fragments detected at higher stringency in Southern blotting, showed a difference in size and gene copy number between human and rat glioma cells. The c-myc transcript… (More)
Occurrence of fibrous xanthoma has been reported increasingly in the skull and the central nervous system, but is extremely rare in the gasserian ganglion. We report on the clinical presentation, radiological appearance, surgical treatment, and histological makeup of a fibrous xanthoma arising from the left gasserian ganglion.