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  • 1985-1989  (2)
  • 1975-1979
  • 2-allyl-4,5-dimethoxyphenol  (1)
  • Immunohistochemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Accumulation of phenylpropanoids in the rectal glands of males of the Oriental fruit fly,Dacus dorsalis (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 534-536 
    Details
    ISSN: 1420-9071
    Keywords: Oriental fruit fly ; Dacus dorsalis ; methyl eugenol ; 2-allyl-4,5-dimethoxyphenol ; coniferyl alcohol ; phenylpropanoid ; pheromone ; allomone ; sequestration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Two phenylpropanoid compounds, 2-allyl-4,5-dimethoxyphenol(II) and coniferyl alcohol(III), were characterized from body tissue of wild males of the Oriental fruit fly,Dacus dorsalis. These compounds accumulated in the rectal glands only when laboratory-reared males were fed with methyl eugenol. Compound II was released into the air during dusk, which coincides with the fly courtship period. Pheromonal and allomonal effects of the phenylpropanoids were examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01958941
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Imunohistochemical demonstration of langerhans' cell in cholesteatoma using an antiserum against S-100 protein (1989)
    Springer
    European archives of oto-rhino-laryngology and head & neck 246 (1989), S. 48-52 
    Details
    ISSN: 1434-4726
    Keywords: Cholesteatoma ; Langerhans' cell ; S-100 protein ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The epidermal Langerhans' cells play an important role in immunological reactions resulting from chronic inflammations of the skin. Recently, S-100 protein, one of the nervous-system-specific proteins, has been shown to be a useful marker for the epidermal Langerhans' cells. We investigated the localization of Langerhans' cells in human cholesteatoma specimens by means of an immunohistochemical method for detecting S-100 protein. A large number of Langerhans' cells containing S-100 protein immunoreactivity were found in the epithelium of the cholesteatoma and also in the subepithelial region. This immunoreactivity was detected both in the cytoplasm of the Langerhans' cells and their dendritic processes along their entire lengths. The number of S-100 positive Langerhans' cells in cholesteatoma associated with otorrhea increased significantly as compared with normal epithelium from the external auditory canal and tympanic membrane, while no increase in the number of S-100-positive cells was recognized in cholesteatoma without otorrhea. The S-100-positive dendritic cells in the cholesteatoma revealed longer and more complexly branched processes than those in normal tissues. These findings suggest that the Langerhans' cells within the cholesteatomatous lesion are responsible for generating and maintaining the chronic immunological reactions in this disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00454134
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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