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The behaviour of human ameloblastoma tissue in cell culture. 1983

S S Prime, and F R Sim, and B H Toh

Human ameloblastoma tissue was investigated using cell culture techniques, transmission electron microscopy and fluorescent microscopy. Cultured cellular morphology was dependent on the type of substratum, with polygonal cells predominant on collagen substrata in contrast to an elongated cellular morphology on glass substrata. The presence of tonofilaments and desmosomes confirmed the epithelial origin of these cells. The distribution of Con A surface receptors and cytoplasmic actin in the same cell was studied using a double fluorochrome technique. Incubation with fluorescein isothiocyanate-labelled Con A at 37 degrees C for increasing time periods resulted in the Con A receptors showing progressive changes in staining patterns from clusters, to caps to perinuclear globules. Sequential changes in cytoplasmic actin, labelled by a specific anti-actin auto-antibody traced with rhodamine-labelled goat anti-human globulin, corresponded to the Con A staining patterns.

UI MeSH Term Description Entries
D008297 Male Males
D008339 Mandibular Neoplasms Tumors or cancer of the MANDIBLE. Mandibular Neoplasm,Neoplasm, Mandibular,Neoplasms, Mandibular
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D008856 Microscopy, Fluorescence Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light when exposed to ultraviolet or blue light. Immunofluorescence microscopy utilizes antibodies that are labeled with fluorescent dye. Fluorescence Microscopy,Immunofluorescence Microscopy,Microscopy, Immunofluorescence,Fluorescence Microscopies,Immunofluorescence Microscopies,Microscopies, Fluorescence,Microscopies, Immunofluorescence
D011952 Receptors, Concanavalin A Glycoprotein moieties on the surfaces of cell membranes that bind concanavalin A selectively; the number and location of the sites depends on the type and condition of the cell. Concanavalin A Binding Sites,Concanavalin A Receptors,Concanavalin A Receptor,Receptor, Concanavalin A
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003599 Cytoskeleton The network of filaments, tubules, and interconnecting filamentous bridges which give shape, structure, and organization to the cytoplasm. Cytoplasmic Filaments,Cytoskeletal Filaments,Microtrabecular Lattice,Cytoplasmic Filament,Cytoskeletal Filament,Cytoskeletons,Filament, Cytoplasmic,Filament, Cytoskeletal,Filaments, Cytoplasmic,Filaments, Cytoskeletal,Lattice, Microtrabecular,Lattices, Microtrabecular,Microtrabecular Lattices
D005452 Fluoresceins A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays. Tetraiodofluorescein
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000199 Actins Filamentous proteins that are the main constituent of the thin filaments of muscle fibers. The filaments (known also as filamentous or F-actin) can be dissociated into their globular subunits; each subunit is composed of a single polypeptide 375 amino acids long. This is known as globular or G-actin. In conjunction with MYOSINS, actin is responsible for the contraction and relaxation of muscle. F-Actin,G-Actin,Actin,Isoactin,N-Actin,alpha-Actin,alpha-Isoactin,beta-Actin,gamma-Actin,F Actin,G Actin,N Actin,alpha Actin,alpha Isoactin,beta Actin,gamma Actin

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