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  • Electronic Resource  (3)
  • 1985-1989  (3)
  • 1988  (3)
Material
  • Electronic Resource  (3)
Years
  • 1985-1989  (3)
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  • 1
    ISSN: 1434-9949
    Keywords: Parsonage-Turner Syndrome ; Hemidiaphragmatic Paralysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A previously healthy 38-year-old man presented a typical Parsonage-Turner syndrome (PTS) three weeks after a cold and unusual muscular exercise. In addition to the motor and sensory defects of the upper limbs, a right hemidiaphragmatic paralysis occurred, which proved to be reversible after several months. A brief review of the hemidiaphragmatic injury in PTS is presented.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0738
    Keywords: Ozone ; Phosphatidylcholine synthesis ; Alveolar type II cells ; Pulmonary surfactant ; Rat lung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Phosphatidylcholine (PC) synthesis by alveolar type II cells, as an indicator for the production of pulmonary surfactant, was studied after a 4-h exposure of rats to 4 mg ozone/m3 (2 ppm). Lung ravage fluid analysis after exposure revealed significant increases in proteins, which is indicative for pulmonary injury. When type II cells were isolated immediately and thereafter cultured for 20 h, the rate of PC synthesis in cells derived from ozone-exposed rats was not significantly different from that in cells from unexposed controls. Yet, a decreased rate of PC synthesis was observed when these cells were subsequently exposed to ozone in vitro. The activity of the enzyme glycerolphosphate acyltransferase (GPAT) was slightly enhanced in cultured type II cells isolated from ozone-exposed rats, while the lysophosphatidylcholine acyltransferase (LPCAT) activity was unchanged. However, ozone exposure of rats did result in a significant decrease of PC synthesis when measured in freshly prepared type II cell suspensions, although both GPAT and LPCAT activities were not affected. It is concluded that a decrease in pulmonary surfactant related PC synthesis after ozone exposure of rats can be demonstrated in freshly isolated type II pneumocytes. Cultured type II cells from exposed rats lack this effect and are therefore less useful to study changes in phospholipid biosynthesis after in vivo ozone exposure. The data on in vitro ozone exposure of cultured type II cells, however, support the view that ozone may impair pulmonary surfactant production.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We report a case of a boy with Duchenne muscular dystrophy (DMD) associated with GK deficiency (GK), congenital adrenal hypoplasia (AHC), and mental retardation. Cytogenetic analysis of prometaphasic chromosomes revealed an interstitial chromosome deletion at Xp21.2 possibly extending to Xp21.1 or Xp21.3. His phenotypically normal mother was heterozygous for this deletion. DNA probe analysis on Southern blots showed that the deletion affected the following probe sites: 754, pERT 84, 21A, XJ2.3, pERT 87, JBir, and J66-H1, whereas L1, C7, and CX5.4 probes gave a normal signal. Pulse field gel electrophoresis after SfiI digestion did not show abnormal fragments with L1. These data are consistent with a deletion of about 4 megabases and indicate that the GK and AHC loci are proximal to L1 and distal to J66-H1.
    Type of Medium: Electronic Resource
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