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  • 1990-1994  (4)
  • 36.40. + d  (1)
  • Alzheimer's disease  (1)
  • BrdU-labeling index  (1)
  • Cerebritis  (1)
Source
Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Senile dementia of Alzheimer type characterized by laminar neuronal loss exclusively in the hippocampus, parahippocampus and medial occipitotemporal cortex (1990)
    Springer
    Acta neuropathologica 80 (1990), S. 575-580 
    Details
    ISSN: 1432-0533
    Keywords: Senile dementia of Alzheimer's type ; Alzheimer's disease ; Pick's disease ; Laminar neuronal loss ; Limbic system
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Seven cases of senile dementia of Alzheimer type (SDAT) with unusual clinico-pathological findings are reported. The patients showed neuronal loss in laminar pattern, with gliosis exclusively confined to the CA1 of the hippocampus, the area of the hippocampal gyrus (entorhinal cortex) and medial occipitotemporal cortex. This change was more pronounced in the oral region. The subcortical white matter showed more pronounced fibrillary gliosis than loss of myelin. Both Alzheimer's neurofibrillary tangles and senile plaques were less marked than those usually seen in SDAT. The mental disturbance started after the age of 65 in all patients. The main clinical feature was marked character change in addition to disturbance of cognitive function. Cranial computed tomography showed marked dilatation of the oral portion of the inferior horn of the lateral ventricle in the early stage. It was apparent that although the cases in this group could be incorporated within in the spectrum of SDAT, they could also be considered to represent a variant of SDAT. This group could contribute to an understanding of the clinico-pathological spectrum of SDAT as well as indicating ways of managing such patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00307623
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Serial neuroradiological studies in focal cerebritis (1994)
    Springer
    Neuroradiology 36 (1994), S. 285-288 
    Details
    ISSN: 1432-1920
    Keywords: Cerebritis ; Brain abscess ; MRI ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report serial neuroradiological studies in a patient with focal cerebritis in the head of the left caudate nucleus. On the day after the onset of symptoms, CT showed an ill-defined low density lesion. The lack of contrast enhancement appeared to be the most important finding for differentiating focal cerebritis from an encapsulated brain abscess or a tumour. MRI two days later revealed the centre of the lesion to be of slightly low intensity on T1-weighted inversion recovery (IR) images and very low intensity on T2-weighted spin echo images, which appeared to correspond to the early cerebritis stage of experimentally induced cerebritis and brain abscess. Ten days after the onset of symptoms, CT revealed a thin ring of enhancement in the head of the caudate nucleus, and a similar small ring was seen in the hypothalamus 16 days after the onset, corresponding to the late cerebritis stage. MRI nine days later revealed ill-defined high signal lesions within the involved area on the T1-weighted IR images. To our knowledge, this is the first published MRI documentation of the early cerebritis stage developing into an encapsulated brain abscess. The mechanisms underlying of these radiographic changes are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593261
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Correlation between nucleolar organizer region score and bromodeoxyuridine labeling index in C6 glioma cell line (1991)
    Springer
    Journal of neuro-oncology 11 (1991), S. 149-155 
    Details
    ISSN: 1573-7373
    Keywords: BrdU-labeling index ; nucleolar organizer regions ; cyclic AMP ; C6 glioma cell ; proliferative potential
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Correlation between the mean number of nucleolar organizer region-associated argyrophilic proteins (AgNORs) per cell and BrdU labeling index (LI), the percentage of S-phase cells, was investigatedin vitro using rat C6 glioma cells under several different conditions such as increased concentration of fetal calf serum (FCS) in a stepwise manner in medium. In addition, the effect of dibutyryladenosine cyclic monophosphate (d-cAMP) on the mean number of AgNORs and the BrdU LI was examined. C6 glioma cells cultured with no FCS showed 5.1% BrdU LI and 3.46 AgNOR score. BrdU LI and AgNOR score of the cells cultured with 1% FCS were 26.5% and 6.25, respectively. Those with 5% FCS were 44.7% and 8.41, with 10% FCS; 49.8% and 10.85, and with 20% FCS; 48.4% and 10.64. Treatment of d-cAMP with 10% FCS induced morphological differentiation and reduced BrdU LI (9.4%) and AgNORs score (4.90), compared with C6 cells cultured in medium containing 10% FCS without d-cAMP. Thus, the BrdU LI and AgNOR score of the C6 cells cultured under several different concentration of FCS were shown to be well linearly related (r=0.97) and both values were decreased with morphological alteration of C6 glioma cells in the presence of 1 mM d-cAMP.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02390174
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Structure of nm-sized InSb clusters formed by spontaneous alloying (1994)
    Springer
    The European physical journal 31 (1994), S. 209-212 
    Details
    ISSN: 1434-6079
    Keywords: 61.16.Di ; 36.40. + d ; 66.30. − h
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The alloying behavior of antimony atoms into nm-sized indium clusters has been studied in situ by TEM. When antimony atoms are vapor-deposited onto nm-sized indium clusters, a rapid dissolution of antimony atoms into indium clusters takes place and as a result InSb compound clusters are successfully formed. Such spontaneous alloying occurs even at ambient temperature. InSb clusters thus formed have the wurtzite structure. When these InSb clusters are annealed at 533 K, their structure changes into the sphalerite structure, which is the structure of the equilibrium phase of the bulk In50Sb50. The appearance of wurtzite-type InSb by spontaneous alloying is discussed in terms of ionicity of bonds in InSb.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437838
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    Paper (German National Licenses)
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