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  • 1
    Electronic Resource
    Electronic Resource
    Bambuterol: clinical effects of three doses of bambuterol once daily in asthmatic patients (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 43 (1988), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Twenty-two asthmatics received bambuterol solution, a terbutaline pro-drug, once every evening. The following doses were each given orally for 7 days in a double-blind crossover study: 0.185, 0.270 and 0.400 mg/kg. Bambuterol 0.270 mg/kg was preferable regarding clinical effects and side effects. The plasma concentration of generated terbutaline showed a slow linear decrease at all doses. Tests of two methods for objective measurements of tremor in five patients did not add any new data compared with the subjective recordings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1988.tb00929.x
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  • 2
    Electronic Resource
    Electronic Resource
    Down-regulation of natural killer cell activity by autologous polymorphonuclear leucocytes (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 43 (1988), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: It has been recently reported that neutrophils are involved in the regulation of NK cell activity. However, the mechanism of such regulation is unclear. The present study was designed to investigate the mechanisms involved in the regulation of NK cytotoxicity by human neutrophils. The role of indomethacin, an anti-inflammatory drug, in this interaction was studied. NK cells were purified from peripheral blood obtained from normal individuals. NK cell cytotoxicity was tested on K 562 cell line by Cr release assay, Autologous neutrophils obtained from peripheral blood were stimulated by opsonized zymosan either in the presence or absence of indomethacin. The role of neutrophil supernatant containing oxygen radicals and prostaglandins on NK cytotoxicity was examined. It was shown that supernatants from stimulated neutrophils significantly inhibited (P 〈 0.05) the autologous NK cell cytotoxicity. The presence of indomethacin in the in vitro reaction mixture, or given orally to donors, partially or completely abolished the inhibitory effect of neutrophil supernatant. Indomethacin inhibited prostaglandin E2 release, and luminol-enhanced, myeloperoxidase-mediated chemiluminescence of activated PMN. Diafiltration of neutrophil supernatant showed that the inhibitory activity was present in the fraction containing molecules lower than 5,000 daltons. In conclusion, our findings indicate that down-regulation of NK cytotoxicity is mediated by prostaglandins produced by stimulated neutrophils and possibly by oxygen radicals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1988.tb02039.x
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  • 3
    Electronic Resource
    Electronic Resource
    Characterization of the in Vitro Effects of Glucocorticosteroids on NK Cell Activity (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 41 (1986), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The NK cell activity of mononuclear cells as well as monocyte-depleted, Percoll-fractionated, NK cell-enriched effector cells against K 562 target cells was inhibited by methylprednisolone (MP) and hydrocortisone (HC) in a dose-dependent manner. The effector/target cell conjugate formation was studied in a single cell agarose assay, and it was shown that MP and HC partly inhibited the NK cell activity by inhibition of the adhesion of effector cells to target.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1986.tb00303.x
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  • 4
    Electronic Resource
    Electronic Resource
    Selective Modulation of the CD4 Molecular Complex by Pseudomonas aeruginosa Alkaline Protease and Elastase (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 26 (1987), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The binding of monoclonal antibodies against CD4 was specifically inhibited by treatment of human CD4+ cells with either alkaline protease (AP) or elastase (Ela), purified from Pseudomonas aeruginosa. Binding of antibodies against CD3 (pan T), CD5 (pan T), CD8 (T suppressor/cytotoxic). HLA-ABC, HLA-DR, HLA-DQ, HLA-DP/DR, and β2 microglobulin was not inhibited by AP or Ela. Heat-inactivation of the proteases at 65°C for 20 min or treatment with the metal chelator EDTA abolished the inhibitory activity of both proteases. These findings may serve to develop novel immunological methods for the isolation and study of the lymphocyte CD4 structure, which plays an important part in the immune response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1987.tb02239.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of Physical Exercise on Blood Mononuclear Cell Subpopulations and in Vitro Proliferative Responses (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 29 (1989), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The present study was designed to examine the effect of physical exercise on subsets and proliferative responses of blood mononuclear cells. Sixteen young, healthy volunteers underwent 60min of bicycle exercise at 75% of maximal oxygen uptake (VO2max). After an interval of at least 1 week, six of the subjects underwent a 60-min back muscle training period at up to 30% of VO2max. Blood samples were collected before and during the last minutes of exercise, as well as 2 and 24 h later. Blood mononuclear cell (BMNC) subpopulations were determined and the proliferate responses after incubation with phytohaemagglutinin (PHA) or purified derivative of tuberculin (PPD), were quantified by [3H]thymidine incorporation. During bicycle exercise the relative blood concentration of T cells (CD3+ cells) declined, mainly due to a fall in T helper cells (CD4+ cells). The natural killer (NK) cell subset (CD16+ cells) increased during work, but reverted after; the monocytes (CD14+ cells) increased 2 h after work, whereas the B-cell subset (CD20+ cells) did not change. BMNC subsets were not significantly changed by back muscle exercise. The PHA-induced proliferative response decreased during bicycle exercise, whereas the PPD-induced response did not change. No significant changes occurred during back muscle exercise. Investigation of subgroups after incubation with [3H]thymidine showed that the proliferative response per CD4+ cell did not change in relation to exercise, but the contribution of the CD4+ subgroup to proliferation declined during bicycle exercise due to the decreased proportion of CD4+ cells. The suppression of the PHA response during bicycle exercise can be explained in part by a relative fall in CD4+ cells. The pool sizes of BMNC subfraction may be elicited by increased catecholamine and cortisol levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1989.tb01137.x
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  • 6
    Electronic Resource
    Electronic Resource
    Glutamine, Lymphocyte Proliferation and Cytokine Production (1996)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Scandinavian journal of immunology 44 (1996), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The present in vitro study was conducted to examine how glutamine influences the lymphocyte function. Glutamine had no effect on the production of interleukin-1β, interleukin-6 or tumour necrosis factor-α, but influenced the production of interleukin-2 and interferon-γ. Glutamate, leucine, isoleucine and valine (substrates for glutamine production), or the combination of glutamate and leucine, did not influence the lymphocyte proliferative response or the cytokine production. In conclusion, glutamine influenced the production of some T-cell-derived cytokines, and is thereby important for optimal lymphocyte proliferation. Furthermore, the results show that lymphocytes are not capable of producing glutamine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3083.1996.d01-352.x
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  • 7
    Electronic Resource
    Electronic Resource
    Clinical Progression of HIV Infection: Role of NK Cells (1997)
    Oxford, UK : Blackwell Science Ltd
    Scandinavian journal of immunology 46 (1997), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The purpose of the study was to examine how immune parameters related to non-major histocompatibility complex (MHC) restricted cytotoxicity changed with respect to progression and duration of human immunodeficiency virus (HIV) infection. Forty-one HIV seropositive subjects with a known time for seroconversion were included. The major finding was that a low percentage and number of natural killer (NK) cells were found in the group who had a rapid progression to acquired immune deficiency syndrome (AIDS) (less than 70 months following seroconversion) compared with those progressing more slowly to AIDS (more than 70 months following seroconversion). Furthermore, a significant correlation was found between the number of months from seroconversion to the diagnosis of AIDS and percentages of CD16+ cells (rs = 0.811, P 〈 0.01), CD56+ cells (rs= 0.647, P 〈 0.05), and CD16+CD56+ cells (rs= 0.839, P 〈 0.01) as well as the concentration of CD16+CD56+ cells in the blood (rs= 0.699, P 〈 0.05). No differences were found in percentages and concentrations of NK cell subsets between subjects with a long history (more than 6 years) versus a short history (less than 6 years) of HIV infection without AIDS. Furthermore, no negative correlations were found between the concentration of any NK subsets and the number of months since seroconversion in HIV seropositive individuals without AIDS. The total concentration of CD16+, CD56+, and CD16+ CD56+ cells was lower in the group of HIV seropositive subjects compared with HIV seronegative subjects (age and sex matched), and the concentration of CD16+ cells was lower in those with AIDS than in those without AIDS. In conclusion, low concentration of NK cells in the blood was associated with a more rapid disease progression, indicating that defective non-MHC restricted cytotoxicity may be associated with HIV disease progression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3083.1997.d01-98.x
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  • 8
    Electronic Resource
    Electronic Resource
    Assessment of the allergic reaction in seasonal rhinitis: acoustic rhinometry is a sensitive and objective method (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 26 (1996), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Seasonal allergic rhinitis constitutes an excellent in vivo model of an allergic mucosal inflammatory reaction. This offers the opportunity of studying the fundamentals of allergic inflammation in addition to improvement of knowledge on the basal pathophysiological mechanisms of the disease. So far, monitoring methods of disease activity and treatment efficacy have mainly been based upon subjective assessments, illustrating the impact of introducing reliable objective methods.Objective To investigate the allergic inflammatory reaction of seasonal rhinitis through different objective methods and evaluate these as indicators of disease activity and treatment efficacy.Methods Functional parameters, i.e. acoustic rhinometry and nasal metacholine challenge, and biological markers, i.e. blood eosinophil count, eosinophil cationic protein in serum (s-ECP) and nasal lavage fluid (n-ECP), were assessed before and at peak pollen season in 27 patients with grass pollen induced rhinitis. Patients were randomized to either nasal corticosteroid or placebo treatment and recorded nasal symptom scores.Results Acoustic rhinometry revealed a significant difference in favour of steroid treatment (P 〈 0.05) comparing nasal volumes before and during season. This difference primarily relied upon a decrease in the placebo group (P= 0.05). A reduction from baseline of s-ECP in the steroid group (P 〈 0.01) was obtained. N-ECP demonstrated a difference between treatment groups, although not significant. Symptom scores increased in all patients during the pollen season, although this was only significant in the placebo treated patients (P 〈 0.01). The remaining methods applied did not demonstrate further differences, either within or between treatment groups.Conclusion Our results demonstrate acoustic rhinometry to be a sensitive and objective method of assessment of nasal obstruction. Furthemore, acoustic rhinometry and s-ECP reflect the impact of nasal steroid therapy on seasonal allergic rhinitis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1996.tb00524.x
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  • 9
    Electronic Resource
    Electronic Resource
    The role of achievement goal orientations and perceived ability upon somatic and cognitive indices of sport competition trait anxiety A study of young athletes (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of medicine & science in sports 9 (1999), S. 0 
    Details
    ISSN: 1600-0838
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Sports Science
    Notes: Goal orientation theory and competence motivation theory were used to examine the relationships between young athletes' achievement goals and indices of somatic and cognitive trait sport competition anxiety. Included in these analyses were also the potential mediating and moderating role of the athletes' perceived competence in sport. We examined 136 young athletes aged 13 to 18 years involved in organized sport within a community in northern Norway. Whereas no association was found between an ego oriented achievement goal and indices of anxiety, multiple regression analyses revealed that both a high task goal orientation and high perceived sport competence predicted a reduced tendency to report cognitive anxiety when competing in sport. In addition, athletes who perceived their competence in sport as high were found to be less predisposed to experiencing somatic anxiety in the form of elevated physiological arousal when competing than those who doubt their competence. The results further showed that perceived competence did not mediate or moderate the relationships between achievement goal orientations and somatic and cognitive indices of trait sport competition anxiety. The findings suggest that being task oriented in sport as well as having a sense of being competent are important in order to prevent sport competitions giving rise to elevated cognitive anxiety in young athletes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0838.1999.tb00254.x
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  • 10
    Electronic Resource
    Electronic Resource
    Once daily fluticasone propionate aqueous nasal spray controls symptoms of most patients with seasonal allergic rhinitis (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 50 (1995), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: This multicentre, randomized, double-blind, parallel-group study was designed to compare the efficacy and tolerability of fluticasone propionate aqueous nasal spray 200 μg once daily (FPANS 200 μg od) with FPANS 200 μg twice daily (bd) in patients whose seasonal rhinitis symptoms were not completely controlled with FPANS 200 μg od. A total of 549 patients initially received FPANS 200 μg od during the open-treatment phase of the study. After 2 weeks, 65% of patients had their symptoms well controlled by FPANS 200 μg od and continued with this treatment for a further 2 weeks. The remainder received either FPANS 200 μg od or FPANS 200 μg bd for a further 2 weeks. Efficacy was evaluated by the analysis of symptom-free days. In the uncontrolled group, there was a significant increase in the percentage of symptom-free days in the FPANS 200 μg bd group over the FPANS 200 μg od group for nasal blockage on waking (P〈0.05) and nasal blockage during the day (P〈0.05). Similar trends were observed for sneezing, rhinorrhoea, nasal itching, and eye symptoms. There was a significant increase in the percentage of days with a symptom score of less than 2 in the FPANS 200 μg bd group for nasal blockage during the day (P 〈 0.05). Adverse events were similar in nature and frequency in each treatment group. It is concluded that in the majority of patients symptoms of seasonal rhinitis are well controlled by FPANS 200 μg od. In the minority of patients whose symptoms are not adequately controlled by a once daily dose, FPANS 200 μg bd provides additional relief, particularly from nasal blockage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1995.tb05051.x
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