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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 40 (1995), S. 2678-2683 
    ISSN: 1573-2568
    Keywords: peptic ulcer ; H2-receptor antagonists ; cAMP ; autoantibodies ; gastric cell lines ; parietal cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In peptic ulcer patients with adequate (AR;N=16) and inadequate response (IR;N=20) to H2-receptor antagonists, the presence of parietal cell cAMP-stimulating autoantibodies was studied. Serum Ig fractions from these patients and 10 control subjects were examined to test whether they could stimulate cAMP production in a gastric cell line model. The human cell line HGT-1 was found to be a sensitivein vitro model for the cAMP stimulation assay as histamine (10 μM) increased by 11-fold the production of cAMP. Neither IgG (4 mg/ml) nor IgG-free Ig fractions (1 mg/ml) isolated from the blood of AR or IR affected cAMP production in the HGT-1 cells. The results obtained with the cAMP stimulation assay were confirmed by indirect immunofluorescence measurements based on frozen sections of rat stomach and kidney. No specific staining of rat parietal cells could be observed with patient sera. In addition, human gastric biopsies of the oxyntic mucosa from the same patients were studied for immunoreactive cell populations to assess organ-specific autoimmune processes. Biopsy specimens from AR and IR showed increased lymphocytic infiltrates, usually associated with gastritis. However, no significant differences in location of various cell populations between AR and IR could be observed. Our findings do not support a recent hypothesis that poor response to treatment with H2-receptor antagonists is due to the presence of autoantibodies.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Digestive diseases and sciences 37 (1992), S. 1302-1302 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Breast cancer research and treatment 57 (1999), S. 285-290 
    ISSN: 1573-7217
    Keywords: breast cancer ; chemotherapy ; CMF ; weight gain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Weight gain is a reported problem associated with adjuvant chemotherapy for breast cancer and often generates psychosocial stress in women [1]. It also may affect prognosis and survival. Changes in body composition and weight during chemotherapy, particularly adjuvant treatment of breast carcinoma, have been previously reported [1–3]. Multiple reasons for this weight gain have been suggested though few theories have been scientifically validated [4]. The aim of this study was to investigate body composition and its relationship to weight change associated with the CMF‐based breast cancer chemotherapy protocols. Total body nitrogen (TBN), body fat, total body water (TBW), and anthropometric measurements were conducted on 25 female out‐patients (median age 47, range 26–70 years) receiving adjuvant CMF‐based chemotherapy for breast cancer. Total body nitrogen was measured using the In Vivo Neutron Capture Analysis (IVNCA) technique (on day 1 of cycles 2–6) and TBP was calculated by multiplying TBN by 6.25 [5]. Nitrogen Index (NI) was calculated by expressing TBN as a percentage of normal. There was a significant increase in mean body weight during chemotherapy of 2.35 kg (p〈0.0001). Serial measurements showed no significant change in mean TBN, NI, or percentage body fat. Break down of body weight showed a significant increase in mean TBW of 0.79 kg (p=0.003) and mean fat mass of 1.49 kg (p=0.008). We conclude that weight gain observed during adjuvant chemotherapy for breast carcinoma is primarily due to an increase in fat and TBW.
    Type of Medium: Electronic Resource
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