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  • Insulin receptor  (3)
  • Cerebral vasospasm  (2)
  • [abr] EGTA-TBS; TBS containing 1mM EGTA  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 144 (1987), S. 191-197 
    ISSN: 0006-291X
    Keywords: [abr] BSA; bovine serum albumin ; [abr] Ca-TBS; TBS containing 1mM CaCl"2 ; [abr] CaM; calmodulin ; [abr] EGTA-TBS; TBS containing 1mM EGTA ; [abr] ELISA; enzyme-linked immunosorbent assay ; [abr] HRP; horseradish peroxidase ; [abr] TBS; Tris-buffered saline
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0898-6568
    Keywords: Insulin receptor ; acanthosis nigricans ; insulin receptor gene ; insulin resistance ; leprechaunism ; non-insulin-dependent diabetes ; obesity ; pedigree analysis ; phosphorylation ; tyrosine kinase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 144 (1987), S. 191-197 
    ISSN: 0006-291X
    Keywords: [abr] BSA; bovine serum albumin ; [abr] Ca-TBS; TBS containing 1mM CaCl"2 ; [abr] CaM; calmodulin ; [abr] EGTA-TBS; TBS containing 1mM EGTA ; [abr] ELISA; enzyme-linked immunosorbent assay ; [abr] HRP; horseradish peroxidase ; [abr] TBS; Tris-buffered saline
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 4
    ISSN: 0942-0940
    Keywords: Cerebral vasospasm ; nicardipine ; papaverine ; subarachnoid haemorrhage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The clinical effect of combination therapy with high doses of intravenous nicardipine and intra-arterial infusion of papaverine on symptomatic vasospasm after subarachnoid haemorrhage (SAH) was analysed retrospectively. In 66 of 122 patients who underwent early aneurysm surgery between 1990 and 1993, the intracranial haemodynamics were documented by transcranial Doppler (TCD) ultrasonography. 33 of these 66 patients received high dose nicar-dipine intravenously (Group I); the other 33 patients were not treated with calcium antagonists (Group II). Symptomatic vasospasm occurred in 6 Group I patients (18%) and in 13 (39%) in Group II patients. All 19 symptomatic patients received an intra-arterial infusion of papaverine; 15 patients (79%) responded well to this therapy and the symptoms were reversed quickly. Although the mean flow velocity (MFV) was not different between the two groups, it was reduced significantly after papverine infusion. Our retrospective analysis suggests that symptomatic vasospasm can be treated effectively with the combination of intravenous high dose nicardipine and intra-arterial infusion of papaverine, and that the correct timing of the infusions is crucial.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0428
    Keywords: Insulin receptor ; type A insulin resistance ; deletion ; polymerase chain reaction ; insulin receptor gene ; direct sequence ; mRNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a previous report on a 16-year-old Japanese girl with type A insulin resistance, we found that one allele of the insulin receptor gene was inherited from her mother and contained a 1.2 kilobase pair deletion which removed the 14th exon in the β subunit. We extended investigation of the proband and found the deletion between two Alu sequences. To determine the effect of the deletion on the level of transcription and the splicing pattern of messenger ribonucleic acid (mRNA), we synthesized the complimentary DNA and used the polymerase chain reaction to amplify the region which included the deleted area. The deletion shifted the reading frame, resulting in a termination codon after amino acid 867 (Glu), thereby producing a truncated insulin receptor without a transmembrane region and cytoplasmic domain. We also sequenced each of 22 exons of the insulin receptor gene but found no mutation in exons of the insulin receptor gene, except for deletion of exon 14 of the maternal allele. Thus, the proband is a heterozygote for a single mutant allele. Abnormal mRNA transcribed from the mutant allele resulted in a decrease in insulin binding.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0428
    Keywords: Insulin receptor ; type A syndrome of insulin resistance ; insulin binding ; autophosphorylation ; kinase activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Defects in insulin receptor function lead to impairment of the insulin response. We treated a patient with the typical phenotype of type A syndrome of insulin resistance whose insulin receptor seemed to lack the transmembrane region and cytoplasmic domain. Hyperinsulinaemia and resistance to exogenous insulin were evident, and insulin binding to cells and uptake of 2-deoxyglucose into fibroblasts were greatly decreased. Molecular weight of the α-subunit of the insulin receptor was normal, but autophosphorylation and kinase activity were impaired. In the pedigree analysis, defects in insulin binding were also observed in the mother, maternal grandfather and two maternal aunts, corresponding with the abnormality of the insulin receptor gene and mild insulin resistance. In the mother, much the same kinase defects as were seen in the patient became evident. However, no relatives had clinical symptoms similar to those seen in the patient. In the father there was a mild insulin resistance in the glucose clamp study and a borderline impaired glucose tolerance. Although insulin binding to cells was normal in the father, both autophosphorylation and kinase activity were reduced. Our findings suggest that insulin resistance in the patient may be caused by the defects in insulin receptor kinase activity as well as by a reduction in insulin binding activity.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 0942-0940
    Keywords: Cerebral vasospasm ; concentration ; papaverine ; subarachnoid haemorrhage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We evaluated the effect of intra-arterially infused papaverine solutions of various concentrations on cerebral vasospasm following subarachnoid haemorrhage. A total of 90 vascular territories in 46 patients with symptomatic cerebral vasospasm after subarachnoid haemorrhage were treated with intra-arterial infusions of papaverine. In all patients, papaverine was infused at the top of the internal carotid artery (ICA). Of the 90 vascular territories, 30 vascular territories in 14 patients were treated with an infusion of 0.1–0.2% (weight/volume) papaverine (Group 1), 30 vascular territories in 16 patients were treated with a 0.4% (w/v) papaverine infusion (Group 2), and 30 vascular territories in 16 patients were treated with an infusion of 0.8–2.0% (w/v) papaverine (Group 3). Among the three groups, we compared the vasodilatory effects of papaverine by assessing the angiographical and clinical improvements following the treatment. When 0.4% (w/v) papaverine was infused, 24 vascular territories (80%) were successfully dilated and 7 patients (44%) showed a marked reversal of neurological deficits due to vasospasm. Therefore, 80 mg/20 ml (0.4% (w/v)) papaverine infused over a 10-minute period proved to be a beneficial concentration. Transient focal neurological deficits due to the infusion of papaverine occurred in 1 Group 1 patient (7%), 1 Group 2 patient (6%), and 7 Group 3 patients (44%). Highly concentrated papaverine had a higher risk of temporary deterioration. In conclusion, the papaverine concentration of 0.4% (w/v) infused at the top of the ICA was a safe and adequate concentration for treating cerebral vasospasm.
    Type of Medium: Electronic Resource
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