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  • 1
    ISSN: 1432-0428
    Keywords: Keywords NSY mouse, ageing, animal model, insulin resistance, glucose transporter 4.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. The Nagoya-Shibata-Yasuda (NSY) mouse closely mimics human Type II (non-insulin-dependent) diabetes mellitus in that the onset is age-dependent, the animals are not severely obese, and both insulin resistance and impaired insulin response to glucose contribute to disease development. The aim of this study was to clarify the influence of age on the pathogenesis of diabetes and to analyse a candidate gene for Type II diabetes in this strain.¶Methods. Several phenotypic characteristics related to diabetes mellitus were monitored longitudinally in male NSY and control C3H/He mice. The nucleotide sequence of Glut4, a candidate gene for Nidd1nsy (a susceptibility gene for Type II diabetes) on Chromosome 11, encoding insulin-sensitive glucose transporter, was determined in NSY and C3H mice.¶Results. Glucose intolerance worsened with age, and fasting blood glucose and fasting plasma insulin concentration increased with age in NSY mice. Pancreatic insulin content increased until 24 weeks of age but then decreased at 48 weeks of age in NSY mice. The hypoglycaemic response to insulin was statistically significantly smaller in NSY than in C3H/He mice. The nucleotide sequence of GLUT4 cDNA was identical in NSY and C3H/He mice, but both were different from the sequence reported previously.¶Conclusion/interpretation. Insulin secretion and insulin resistance, as well as ageing possibly play an important part in the disease development in NSY mice. A decline of pancreatic insulin content in older age might cause the relative insulin deficiency in this strain. Nucleotide sequencing suggests that Glut4 is unlikely to be a candidate gene for Nidd1nsy. [Diabetologia (2000) 43: 932–938]
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of low temperature physics 121 (2000), S. 537-542 
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have measured vapor pressures (P) of 4 He adsorbed on one-dimensional pores of 18 Å diameter with a sensitivity of 2×10 −3 mbar as a function of coverage down to 1.2 K. The isothermal compressibility (κT) calculated from P isotherm has two minima, which are associated with the completion of the first and the second layer. The adsorption energy was obtained quantitatively from an Arrhenius type temperature dependence of P. As the coverage is increased, the adsorption energy at T=0 per atom (Δ 0 /kB) decreases from 180 K to 35 K, followed by a clear step associated with a second layer promotion. After second layer completion, Δ 0 /kB is constant. The magnitude is the same value as the latent heat of the bulk 4 He liquid (7 K). These results give us a clear picture that 4 He film grows in a layer-by-layer fashion up to the second layer on one-dimensional pore walls.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1569-8041
    Keywords: chemoradiotherapy ; combined modality treatment ; non-small-cell lung cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Although chemoradiotherapy is standard treatment forunresectable stage III non-small-cell lung cancer (NSCLC), few long-termsurvival data exist. Patients and methods:Between October 1989 and December 1991, 74patients with histologically or cytologically proven NSCLC, unresectable stageIIIA or IIIB, were entered into this study. Seventy patients were eligible andevaluable for response, toxicity, and survival analysis. Chemotherapyconsisted of cisplatin (100 mg/m2 on days 1, 29, and 57) andvindesine (3 mg/m2 on days 1, 8, 29, 36, 57, and 64). Thoracicradiotherapy was administered for two weeks (2 Gy given 10 times, fivefractions per week), and after a 14-day rest period, the previous schedule ofradiotherapy was repeated for two weeks. A 10-Gy to 20-Gy dose of radiotherapywas administered during the third cycle of chemotherapy. Results:Of the 70 evaluable patients, 1 (1.4%) hada complete response (CR) and 51 (72.9%) had a partial response (PR).The median survival time was 14.8 months, and the five-year survival rate was14.8%. The major toxicity was leukopenia (≥ grade 3, 93%).Other toxicities ≥ grade 3 included anemia (34%),nausea/vomiting (27%), alopecia (7%), thrombocytopenia(4%), and serum creatinine elevation (1%). Treatment relateddeath occurred in two patients (2.8%). One patient died of pneumoniaand pneumothorax, and the other of hemoptysis. Conclusions:Concurrent chemotherapy and radiotherapy has thepotential to provide long-term survival with acceptable toxicities.
    Type of Medium: Electronic Resource
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