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  • 1
    Book
    Book
    Computational optimal control; ISNM 115 (1994)
    Basel u.a. :Birkhäuser,
    Details
    Title: Computational optimal control; ISNM 115
    Contributer: Bulirsch, R. , Kraft, D.
    Publisher: Basel u.a. :Birkhäuser,
    Year of publication: 1994
    Pages: 382 S.
    Series Statement: International series of numerical mathematics ISNM 115
    Type of Medium: Book
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  • 2
    Electronic Resource
    Electronic Resource
    Persistent pruritus after hydroxyethyl starch infusion therapy: a result of long-term storage in cutaneous nerves (1997)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 136 (1997), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A high incidence of severe pruritus had been observed after the administration of hydroxyethyl starch (HES) on account of plasma volume substitution and improvement of the microcirculation. The aim of this study was to elucidate the possible pathomechanisms of HES-induced itching. Sking biopsies were taken from 93 patients, half of them presenting with pruritus, who received HES of various preparations and cumulative dosages. The samples were subjected to immunoelectron microscopical investigation using an antibody highly specific for HES. After infusioin therapy with HES, formation of intracytoplasmic storage vacuoles in the skin could be demonstrated in all patients. A dose- dependent uptake of HES was first detectable in macrophages and, thereafter, in endothelial and epithelial cells. Consecutive control biopsies taken from single patients revealed a subsequent reduction of the vacuoles, in size and number, within 3 years, thus indicating a regular cutaneous metabolism of HES. Patients suffering from pruritus consistently showed additional deposition of HES in small peripheral nerves. HES-reactive vacuoles could be demonstrated in the Schwann cells of unmyelinated, as well as small myelinated, nerve fibres, and in endoneural and perineural cells. Neural devacuolization paralleled the clinical improvement in the symptoms. In conclusion, HES deposits in cutaneous nerves, as a consequence of a higher cumulative dosage, may account for the itching seen after HES infusion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.1997.d01-1234.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Basic and practical aspects of recombinant allergens (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 50 (1995), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1995.tb01167.x
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Evaluation of immunotherapy-induced changes in specific IgE, IgG and IgG subclasses in birch pollen allergic patients by means of immunoblotting (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 45 (1990), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Sera from 27 birch pollen-allergic patients who had undergone hyposensitization treatment for 22–41 months were studied by immunoblotting before and after therapy, whereby the levels of IgE, IgG and IgG1–4 antibodies directed against the major allergen Bet v I and minor allergens of birch pollen were monitored. The clinical benefit of immunotherapy (IT) was evaluated using a symptom specific questionnaire. In patients with good clinical response (responders, n=18), as defined by improvement of symptoms, anti-Bet v I IgE antibodies were found to decrease in 10/18 patients (55.5%), whereas in 6/18 (33.3%) no change and in two cases (11.2%) an increase of specific IgE was observed. In the group of patients with unsatisfactory clinical outcome (non-responders, n=9), 3/9 patients (33.3%) showed a decrease, 3/9 (33.3%) no change and 3/9 (33.3%) an increase in levels of IgE antibodies directed against Bet v I. In the case of minor allergens, 5/18 responders (27.7%) and 8/9 non-responders (88.8%) showed specific IgE before IT. In the responder group, no increase of specific IgE could be observed after IT. In non-responders, however, an increase of IgE directed against minor allergens was seen in 3/9 patients (33.3%). In all patients, regardless of therapeutical success, IT-induced elevated levels of specific IgG, IgG1 and in particular IgG4 directed against Bet v I vere found. Regarding minor allergens, a heterogeneous pattern of IgG responses without significant correlation to clinical benefit was observed. Our results indicate that changes in IgG reactivity patterns against Bet v I and minor allergens, as shown by the immunoblot technique, did not correlate with good or bad clinical outcome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1990.tb01092.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Recombinant allergens (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Allergy 53 (1998), S. 0 
    Details
    ISSN: 1398-9995
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A great variety of recombinant plant, mite, mold, mammal, and insect allergens have been expressed in heterologous hosts (e.g., Escherichia coli), their cDNA being used as a template. The number of biologically active recombinant allergens available for experimental, diagnostic, and therapeutic purposes is increasing tremendously. Recombinant allergens have proven to be valuable tools to investigate T-cell and B-cell recognition of allergens as well as to study mechanisms of specific IgE regulation. The immunologic equivalence of many relevant recombinant allergens with their natural counterparts has been demonstrated, and the three-dimensional structures of several recombinant allergens have been described recently. As a result of extensive cross-reactivities among the relevant allergens, it appears that the number of epitopes needed for diagnosis and specific immunotherapy is less diverse than originally anticipated and might be soon covered by recombinant molecules. Recombinant allergens have been used for successful in vitro, as well as in vivo, allergy diagnosis, and work is in progress to produce recombinant allergen derivatives with reduced anaphylactic potential to improve current forms of immunotherapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1398-9995.1998.tb03930.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Clinical patterns and results of radioallergosorbent test (RAST) and skin tests in penicillin allergy (1976)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 94 (1976), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Seventy-nine patients with acute or former reactions to penicillin were investigated by a benzyl-penicilloyl (BPO)-specific RAST and/or by skin tests with penicilloyl-polylysine (PPL), benzyl-penicillin and penicilloic acid and the results were correlated with the different clinical pictures. Positive RAST and skin test results could be found in patients with anaphylactic shock, urticaria and serum sickness-like reaction and sometimes in a special group of exanthems, which are characterized by the existence of many different lesions at the same time, therefore called ‘polymorphic exanthems’, and often observed after high-dosage penicillin therapy. In cases of scarlatiniform or morbilliform exanthems no positive results were found. The BPO-specific RAST showed an overall correlation of 95·1% with skin tests using PPL. However, some patients with positive skin tests to benzylpenicillin and penicilloic acid did not have detectable circulating IgE antibodies to BPO. This emphasizes the need for including these antigens in in vitro methods.The RAST was informative even at the time of the allergic reaction or in the first 15 days afterwards and seems to be very valuable for early diagnosis of penicillin allergy especially in cases when many drugs have been given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1976.tb05156.x
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  • 7
    Electronic Resource
    Electronic Resource
    Specific and total serum IgE measurements in the diagnosis of penicillin allergy. A long term follow-up study (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 7 (1977), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Sera from 204 patients with acute or former reactions following penicillin treatment were investigated by RAST with specificity for benzylpenicilloyl and phenoxymethyl-penicilloyl. The IgE antibody levels were followed up for of more than 2 years. Positive results could be observed at the time of the acute reactions and the weeks following; later on the amounts of specific IgE decreased, with negative RAST results after months or years in many cases. Occasionally negative RAST results occurred within 30 days; on the other hand high levels of specific IgE persisted for years in some patients. Total serum IgE measured by RIST and the RAST results showed similar patterns, with mean levels of 568 u/ml between 0 and 30 days after the penicillin allergic reaction, 286 u/ml between 30 days and 1 year, and 195 u/ml in cases after 1 year corresponded well with the observed decline in specific IgE.Skin tests performed with penicilloyl-polylysine in 118 patients showed an overall correlation of 91.5% with the RAST results. Differences between the two test systems were observed in patients with a long interval between the test and the last allergic attack. None of the patients with proved penicillin allergy had atopic diseases or a history of atopy.On the basis of these findings it is suggested that the determination of both circulating specific IgE and total IgE should be of great value for diagnostic purposes during acute drug reactions and in the months immediately afterwards.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1977.tb01420.x
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  • 8
    Electronic Resource
    Electronic Resource
    IgE cross-reactivity between birch pollen, mugwort pollen and celery is due to at least three distinct cross-reacting allergens: immunoblot investigation of the birch-mugwort-celery syndrome (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 Allergy to celery is often associated with sensitization to birch and/or mugwort pollen.Objective and methods In a multi-centre study, sera from 23 patients suffering from type I allergy to celery and 15 patients with positive celery RAST but wo clinical sensitization were compared. To examine whether cross-reactivity between celery and mugwort pollen iticludes cross-sensitization to birch pollen allergens, we determined cross-reacting structures in birch pollen, mugwort pollen and celery by means of immunoblotting. Inhibition studies were performed by preincubation of sera with extracts of birch pollen, mugwort pollen, and celery.Results We identified three groups of proteins—homologues of Bet v I and birch profilin (Bet v 2) as well asa group of proteins with a molecular range of 46 to 60 kD—displaying IgE-cross-reactivity, which were shared by birch pollen and celery. Two of these groups of allergens (profilin and the 46 to 60 kD proteins) were also present in mugwort pollen. In this paper we demonstrate that most cross-reacting allergens present in mugwort pollen and celery can also be detected in birch pollen extract.Conclusion Therefore we propose, from a serological point of view, to extend the mugwort-celery syndrome to the birch-mugwort-celery syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1996.tb00503.x
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Component-resolved diagnosis of house-dust mite allergy with purified natural and recombinant mite allergens (2004)
    Oxford, UK : Blackwell Science Ltd
    Clinical & experimental allergy 34 (2004), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Mites belong to the most frequent and potent allergen sources. Immunotherapy with mite allergen extracts is frequently performed if allergen avoidance is not possible or successful. However, highly controversial results have been reported for mite-specific immunotherapy.Objective The aim of this study was to develop diagnostic concepts that may contribute to an improved selection of patients for immunotherapy with Der p allergen extracts and that may be used for immunological monitoring of patients undergoing this treatment.Methods The IgE reactivity profiles to Der p extract were determined in a Middle European mite-allergic population by IgE immunoblotting and by using a panel of seven purified natural or recombinant Der p allergens (nDer p 1, nDer p 4, rDer p 2, rDer p 5, rDer p 7, rDer p 8, rDer p 10). Furthermore, we investigated the sensitization and cross-reactivity to house-dust- and storage-mite allergen extracts by CAP FEIA measurements and by IgE competition studies.Results More than 95% of the patients could be diagnosed with a combination of nDer p 1 and rDer p 2. With the methods used, we could discriminate mite-allergic patients who were mainly sensitized to the major Der p allergens (Der p 1, Der p 2) from patients with a broad sensitization profile, including highly cross-reactive allergens (e.g. Der p 10: tropomyosin) as well as reactivity to storage mites.Conclusions Diagnostic tests containing the major mite allergens (i.e. Der p 1, Der p 2) and highly cross-reactive mite allergens (e.g. Der p 10) may improve the diagnostic selection of patients for immunotherapy with Der p extracts. These tests may also be used for the immunological monitoring of patients undergoing immunotherapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.2004.1930.x
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Non-anaphylactic surface-exposed peptides of the major birch pollen allergen, Bet v 1, for preventive vaccination (2004)
    Oxford, UK : Blackwell Science Ltd
    Clinical & experimental allergy 34 (2004), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Almost 100 million allergic patients are sensitized to the major birch pollen allergen, Bet v 1, a 17 kDa protein containing most of the IgE epitopes present in pollens of trees belonging to the Fagales order and plant-derived food.Objective Our aim was to develop an approach for the rational design of B cell epitope-derived, non-allergenic peptide allergy vaccines.Methods According to the three-dimensional (3-D) structure of birch pollen allergen, Bet v 1, six peptides comprising 25–32 preferably solvent-exposed amino acids were synthesized.Results Because of lack of secondary structure, the peptides showed no allergenic activity in allergic patients. In a mouse model of birch pollen allergy, peptide vaccination induced Bet v 1-specific IgG and prevented IgE-mediated allergic sensitization to Bet v 1. The protective role of peptide-induced blocking antibodies is demonstrated by inhibition of allergic patients IgE binding to the allergen and by blocking of allergen-induced basophil degranulation.Conclusion Our results indicate the mechanistic importance of blocking antibodies for allergy vaccination and present a B cell epitope-based approach for the rational design of safe peptide allergy vaccines whenever the structure of the disease-eliciting allergen is known.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.2004.02081.x
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