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  • 1995-1999  (4)
  • Hypersomnia  (2)
  • Superior central nucleus  (2)
  • tumour necrosis factor α  (2)
  • 1
    ISSN: 1432-0533
    Keywords: Myotonic dystrophy ; Dorsal raphe nucleus ; Superior central nucleus ; Hypersomnia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A quantitative study of neurons in the dorsal raphe nucleus (DRN) and the superior central nucleus (SCN) was performed in seven patients with myotonic dystrophy (MyD), five of whom showed hypersomnia, and in eight age-matched controls. The densities of neurons in the DRN and the SCN were significantly lower in MyD patients with hypersomnia than in MyD patients without hypersomnia and control subjects. There was an appreciable positive correlation in the density of neurons between the DRN and the SCN in all MyD patients. These data suggest that the neuronal loss of the DRN and the SCN is associated with the presence of hypersomnia in MyD.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0533
    Keywords: Key words Myotonic dystrophy ; Dorsal raphe nucleus ; Superior central nucleus ; Hypersomnia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A quantitative study of neurons in the dorsal raphe nucleus (DRN) and the superior central nucleus (SCN) was performed in seven patients with myotonic dystrophy (MyD), five of whom showed hypersomnia, and in eight age-matched controls. The densities of neurons in the DRN and the SCN were significantly lower in MyD patients with hypersomnia than in MyD patients without hypersomnia and control subjects. There was an appreciable positive correlation in the density of neurons between the DRN and the SCN in all MyD patients. These data suggest that the neuronal loss of the DRN and the SCN is associated with the presence of hypersomnia in MyD.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    ISSN: 1432-0428
    Keywords: N-acetylcysteine ; glutathione ; tumour necrosis factor α ; diabetic neuropathy ; motor nerve conduction velocity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary N-acetylcysteine (NAC) is a precursor of glutathione (GSH) synthesis, a free radical scavenger and an inhibitor of tumour necrosis factor α (TNF). Because these functions might be beneficial in diabetic complications, in this study we examined whether NAC inhibits peripheral neuropathy. Motor nerve conduction velocity (MNCV) was significantly decreased in streptozotocin-induced-diabetic Wistar rats compared to control rats. Oral administration of NAC reduced the decline of MNCV in diabetic rats. Structural analysis of the sural nerve disclosed significant reduction of fibres undergoing myelin wrinkling and inhibition of myelinated fibre atrophy in NAC-treated diabetic rats. NAC treatment had no effect on blood glucose levels or on the nerve glucose, sorbitol and cAMP contents, whereas it corrected the decreased GSH levels in erythrocytes, the increased lipid peroxide levels in plasma and the increased lipopolysaccharide-induced TNF activity in sera of diabetic rats. Thus, NAC inhibited the development of functional and structural abnormalities of the peripheral nerve in streptozotocin-induced diabetic rats.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0428
    Keywords: Keywords N-acetylcysteine ; glutathione ; tumour necrosis factor α ; diabetic neuropathy ; motor nerve conduction velocity.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary N-acetylcysteine (NAC) is a precursor of glutathione (GSH) synthesis, a free radical scavenger and an inhibitor of tumour necrosis factor α (TNF). Because these functions might be beneficial in diabetic complications, in this study we examined whether NAC inhibits peripheral neuropathy. Motor nerve conduction velocity (MNCV) was significantly decreased in streptozotocin-induced-diabetic Wistar rats compared to control rats. Oral administration of NAC reduced the decline of MNCV in diabetic rats. Structural analysis of the sural nerve disclosed significant reduction of fibres undergoing myelin wrinkling and inhibition of myelinated fibre atrophy in NAC-treated diabetic rats. NAC treatment had no effect on blood glucose levels or on the nerve glucose, sorbitol and cAMP contents, whereas it corrected the decreased GSH levels in erythrocytes, the increased lipid peroxide levels in plasma and the increased lipopolysaccharide-induced TNF activity in sera of diabetic rats. Thus, NAC inhibited the development of functional and structural abnormalities of the peripheral nerve in streptozotocin-induced diabetic rats. [Diabetologia (1996) 39: 263–269]
    Type of Medium: Electronic Resource
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