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  • 1
    Electronic Resource
    Electronic Resource
    Tissue culture of bovine subcommissural organ (1993)
    Springer
    Anatomy and embryology 187 (1993), S. 505-514 
    Details
    ISSN: 1432-0568
    Keywords: Subcommissural organ ; Organ culture ; Immunohistochemistry ; ELISA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Tissue of the secretory, glial subcommissural organ (SCO) of adult, male cattle was cultured in serum-free medium for 70 days in vitro. Only minor alterations in the histoarchitecture and the cytology of the explanted SCOs could be observed by light and electron microscopy. Light- and electron-microscopic immunocytochemical investigations with an antiserum raised against bovine SCO secretory proteins revealed intra- and extra-cellularly localized immunoreactive material in tissue sections of SCO explants cultured up to 69 days in vitro. An indirect competition enzyme-linked immunosorbent assay (ELISA) was developed to detect minor quantities of SCO secretory products. By means of this assay, approximately 35 ng RF protein per ml was detected in culture medium supernatants conditioned for 3 days in SCO tissue cultures at 3, 38, and 69 days in vitro. These studies demonstrate that the bovine SCO can maintain its secretory activity throughout long periods in vitro.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00174426
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Immunoreactivity of the corpuscles of Stannius of the garpike, Lepisosteus osseus, to antisera against salmon and trout stanniocalcins (1994)
    Springer
    Cell & tissue research 277 (1994), S. 511-518 
    Details
    ISSN: 1432-0878
    Keywords: Key words: Corpuscles of Stannius ; Stanniocalcin ; Immunocytochemistry ; Immunohistochemistry ; Western blot ; Lepisosteus osseus (Holostei)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Stanniocalcin-immunoreactive cells were localized in the corpuscles of Stannius of a holostean fish, the garpike (Lepisosteus osseus), using antisera against salmon and trout stanniocalcins and the peroxidase-antiperoxidase and protein A-gold immunohistochemical methods. The stanniocalcin-immunoreactive cells were periodic acid-Schiff-positive, and antibody staining was abolished if the antiserum was preabsorbed with corpuscle homogenate. Immunocytochemistry revealed two reactive cell types in the glandular parenchyma, and immunoreactivity was confined to the secretory granules. Staining of the granules was also abolished when the antisera were blocked with crude corpuscle homogenate. When corpuscle extracts from garpike were subjected to sodium dodecyl sulphate-polyacrylamide gel electrophoresis and Western blot analysis, a single dense band was evident with a molecular weight of ∼68 kDa under non-reducing conditions, whereas three bands were observed (∼29, ∼31, and ∼34 kDa) under reducing conditions. Staining of all bands disappeared following preabsorption of the antiserum with salmon stanniocalcin, trout stanniocalcin, or garpike corpuscle extract. The results are compared with stanniocalcins from another extant holostean, the bowfin (Amia calva), and from more modern bony fishes, the teleosts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00300224
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Immunoreactivity of the corpuscles of Stannius of the garpike, Lepisosteus osseus, to antisera against salmon and trout stanniocalcins (1994)
    Springer
    Cell & tissue research 277 (1994), S. 511-518 
    Details
    ISSN: 1432-0878
    Keywords: Corpuscles of Stannius ; Stanniocalcin ; Immunocytochemistry ; Immunohistochemistry ; Western blot ; Lepisosteus osseus (Holostei)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Stanniocalcin-immunoreactive cells were localized in the corpuscles of Stannius of a holostean fish, the garpike (Lepisosteus osseus), using antisera against salmon and trout stanniocalcins and the peroxidase-antiperoxidase and protein A-gold immunohistochemical methods. The stanniocalcin-immunoreactive cells were periodic acid-Schiff-positive, and antibody staining was abolished if the antiserum was preabsorbed with corpuscle homogenate. Immunocytochemistry revealed two reactive cell types in the glandular parenchyma, and immunoreactivity was confined to the secretory granules. Staining of the granules was also abolished when the antisera were blocked with crude corpuscle homogenate. When corpuscle extracts from garpike were subjected to sodium dodecyl sulphate-polyacrylamide gel electrophoresis and Western blot analysis, a single dense band was evident with a molecular weight of ∼68 kDa under non-reducing conditions, whereas three bands were observed (∼29, ∼31, and ∼34 kDa) under reducing conditions. Staining of all bands disappeared following preabsorption of the antiserum with salmon stanniocalcin, trout stanniocalcin, or garpike corpuscle extract. The results are compared with stanniocalcins from another extant holostean, the bowfin (Amia calva), and from more modern bony fishes, the teleosts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00300224
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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