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  • Electronic Resource  (71)
  • 1985-1989  (50)
  • 1980-1984  (20)
  • 1960-1964  (1)
  • 11
    Electronic Resource
    Electronic Resource
    Vibrio alginolyticus, a tetrodotoxin-producing bacterium, in the intestines of the fish Fugu vermicularis vermicularis (1987)
    Springer
    Marine biology 94 (1987), S. 625-630 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To clarify the mechanism of toxification in animals contaminated with tetrodotoxin, the intestinal contents of the puffer Fugu vermicularis vermicularis were examined for bacterial flora in 1985. Twenty-six out of 33 strains belonged to the genus Vibrio. These bacteria were classified into Groups I to VII, based on biological and biochemical characters. High performance liquid chromatography and gas chromatography-mass spectrometry, together with mouse bioassay for toxicity, clearly demonstrated that Group I produced tetrodotoxin and anhydrotetrodotoxin under cultivation with a medium composed of Phytone peptone (BBL) and NaCl. Some other groups also produced this toxin and/or related substances to some extent. Strains of Group I were all identified as Vibrio alginolyticus. Two strains among four produced a detectable amount of tetrodotoxin and/or anhydrotetrodotoxin, as measured by all instrumental analyses applied. Our findings suggest that some strains of V. alginolyticus are closely related to the toxification of the puffer, and probably of other species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00431409
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  • 12
    Electronic Resource
    Electronic Resource
    Pathogenesis of pili annulati (1988)
    Springer
    Archives of dermatological research 280 (1988), S. 308-318 
    Details
    ISSN: 1432-069X
    Keywords: Pili annulati ; Ultrastructure ; DACM staining ; Hair cortex ; Protein metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Plucked scalp hairs and hair roots of pili annulati were examined to understand their pathogenesis. Stereoscopic examinations of hairs in transmitted light and/or reflected light and light microscopic surveys of the cross-sections of hairs confirmed that the cortical empty spaces appeared to be responsible to the unique dotted shiny appearance of the hairs seen by the unaided eyes under a refracted light. By transmission electron microscope, small vacuoles and dense bodies were observed in the cytoplasm of the differentiating cortical cells; subsequently, with increasing number of tonofilaments, an uneven distribution of free ribosomes occurred and abnormal spaces containing fine granular substances were formed in the cytoplasm of the cortical cells. Occasionally, extremely large cortical trichohyaline granules were found. In the keratinized hair, irregular empty spaces were present in the cortex of the abnormal hair segments. Histochemically, the keratinized cortex of the affected hairs always had more residual SH groups than the controls. Pili annulati may be a disorder of protein metabolism involving a partial dysfunction of cytoplasmic ribosomes, resulting in a lack of cortical keratin formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00440605
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Apparent Mendelian recessive inheritance of sparteine metabolism in an extended Japanese family (1988)
    Springer
    European journal of clinical pharmacology 34 (1988), S. 661-662 
    Details
    ISSN: 1432-1041
    Keywords: sparteine ; oxidation phenotype ; inheritance ; Japanese
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615236
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  • 14
    Electronic Resource
    Electronic Resource
    Large melanoacanthomas: a report of five cases (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 11 (1984), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Five patients with mclanoacanthonia are reported. The skin lesions consisted of a single, round plaque measuring several centimeters in diameter. Histologic findings were characterized by formation within an acanthotic epidermis, of many islands of small basaloid cells and highly dendritic melanocytes. Electron microscopic examination of one lesion revealed a disturbance of melanin transfer from the highly dendritic melanocytes to the neighboring keratinoeytes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1984.tb00383.x
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  • 15
    Electronic Resource
    Electronic Resource
    Juvenile colloid milium (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 16 (1989), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 7-year-old Italian girl with juvenile colloid milium was studied with histological, immunohistochemical, and electron microscopic methods. This patient had a well-documented history of severe sunburn and developed the lesions on the face shortly afterward. Numerous apoptotic keratinocytes were observed in the lower epidermis. These cells began their degeneration with filamentous whorl formation (or filamentous degeneration) of tonofilaments. In the papillary dermis the colloid substance was resolved by the electron microscopy into either wavy, thin filaments derived from the epidermal keratinocytes or typical amyloid filaments. Many desmosomes and gap junctions were found in the colloid substance. Polyclonal antikeratin antibody (DAKO) was positive in the colloid substance, particularly in the parts close to the epidermis. These findings suggested that juvenile colloid milium is different from adult colloid milium despite clinical similarities and that the former belongs to the group of actinic amyloid K, i.e. amyloidoses due to actinic degeneration of keratinocyte and its keratin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1989.tb00033.x
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  • 16
    Electronic Resource
    Electronic Resource
    Secondary cutaneous cryptococcosis: case report and review of 22 cases (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 15 (1988), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 51-year-old imunosuppressed man presented with ulcerations of the abdominal wall. Biopsy of the ulcer margin was necessary for the diagnosis of cutaneous cryptococcosis. Since a variety of opportunistic organisms can present with non-specific cutaneous lesions, these infections must be ruled out by tissue diagnosis of all immunosuppressed patients. A review of 22 additional cases is included together with electron microscopic findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1988.tb00570.x
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  • 17
    Electronic Resource
    Electronic Resource
    Monilethrix: an ultrastructural study (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 11 (1984), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Characlcristic moniliform hairs of monilcthrix were ultrastructurally examined. By scanning electron microscope, nodes and internodes were seen alternating on the affected hair; the nodes were normal in apparance and thickness, while the internodes were thin and showed ridges and flutes. By transmission electron microscope, the cross sections of the internodes revealed wrinkling of the hair coticular cells and a reduced number of the cortical cells. Cross sections of the cortical cells per se showed a similar size and a normal keratin pattern in both nodes and internodes, compared with those of control hairs from normal individuals. From these findings, the internodes seemed to be the pathological portions of the monilifonn hair, and such abnormal thinning of hair shaft might tie caused by a periodical dysfunction of the hair matrix, especially in the hair cortex.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1984.tb00412.x
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  • 18
    Electronic Resource
    Electronic Resource
    Elastic globes: electron microscopic and immunohistochemical observations (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 15 (1988), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Specimens from a patient with epidermolysis bullosa contained many elastic globes in the dermis. Ultrastructurally they were composed of (i) medium electron-dense amorphous substances, (ii) electron-dense round structures, and (iii) fine filaments. These various elements were seldom organized into typical normal elastic fiber and, therefore, it was difficult ultrastructurally to recognize them as such or components thereof. Immunohistochemically, elastic globes were strongly reactive with NKH-1, which stains elastic microfibrils, and antibody to serum amyloid P component (anti-SAP), which binds to elastic fiber micro-fibrils. However, elastic globes were negative with EKH-4 which recognizes 50 kd keratin of amyloid keratin and cytoid bodies. These findings suggested that elastic globes have a close immunologic profile to elastic fiber microfibrils, but not that of epidermal or epithelial keratin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1988.tb00527.x
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  • 19
    Electronic Resource
    Electronic Resource
    Appendage tumors of the skin: histogenesis and ultrastructure (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 11 (1984), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1984.tb00394.x
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  • 20
    Electronic Resource
    Electronic Resource
    Anti-keratin monoclonal antibodies: production, specificities and applications (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of cutaneous pathology 10 (1983), S. 0 
    Details
    ISSN: 1600-0560
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0560.1983.tb01504.x
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