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  • 1
    ISSN: 1432-0428
    Keywords: Keywords HLA genotype ; Type I diabetes ; islet autoimmunity ; autoantibody appearance.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. Islet autoantibodies precede the clinical onset of Type I (insulin-dependent) diabetes mellitus. The cumulative development of such autoantibodies in infants followed from birth and in particular infants with high-risk HLA genotypes is poorly defined, but such information is essential to design trials to prevent islet autoimmunity. Methods. HLA genotypes were determined in offspring of parents with Type I diabetes who were followed from birth for at least 2 years (median follow-up: 3.1 years) and who were characterised for the expression of insulin, GAD65, IA-2 and islet cell autoantibodies at birth, 9 months, 2 and 5 years of age. Results. The HLA genotypes DRB1 * 03/04(DQB1 *57non-Asp) and DRB1 * 04/04(DQB1*57non-Asp) were present in 7.1 % and 5.0 % of offspring of parents with Type I diabetes. The frequency of both genotypes was increased in offspring who developed islet autoantibodies within the first 2 years of life (27.3 % vs 5.5 %, odds ratio 6.3 [p = 0.002] and 22.7 % vs 4.2 %, odds ratio 6.6 [p = 0.003]) and half of all offspring who developed antibodies had these genotypes. Other genotypes were not associated with an increase in risk. By life-table analysis, the cumulative risk of developing islet autoantibodies by the age of 2 years was 20 % (95 % CI 9.4,30.6) for offspring carrying either the DRB1 * 03/04(DQB1 *57non-Asp) or the DRB1 * 04/04(DQB1*57non-Asp) genotype compared with 2.7 % (95 % CI 1.2,4.2) for offspring without these genotypes (p 〈 0.0001). Conclusion/interpretation. These data show that early appearance of islet autoantibodies is remarkably frequent for DR3/4 heterozygous and DR4/4 homozygous offspring and indicate that primary prevention could be considered once available in an offspring cohort selected for these genotypes. [Diabetologia (1999) 42: 671–677]
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 27 (1973), S. 73-80 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Acute leukaemia ; Knochenmarktransplantation ; akute Leukämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation München wurden von August 1975 bis Juni 1980 insgesamt 17 Patienten mit rezidivierter, akuter Leukämie mit Knochenmark von HLA-identischen Geschwistern transplantiert. Die antileukämische und immunsuppressive Vorbehandlung bestand aus BCNU, Cytosin-Arabinosid, Cyclophosphamid in hoher Dosierung und Ganzkörperbestrahlung mit etwa 9 Gy Körpermitteldosis an einer60Co-Doppelbestrahlungsanlage. Die Prophylaxe einer Graft-versus-Host Krankheit (GvHK) wurde in allen Fällen mit Methotrexat durchgeführt, bei neun Patienten wurde als zusätzliche GvHK-Prophylaxe das Knochenmark mit Anti-T-Zell-Globulin inkubiert, von dem die Antikörper gegen hämopoetische Stammzellen absorbiert waren. Zwei von fünf auswertbaren Patienten, die unbehandeltes Knochenmark erhalten hatten, entwickelten chronische GvHK, während kein Patient nach ATCG-Inkubation des Knochenmarkes eindeutige GvH-Krankheit bekam. Sechs Patienten leben in Vollremission zwischen einem und 33 Monaten nach Knochenmarktransplantation (KMT). Fünf Patienten starben mit Rezidiven zwischen 3 1/2 und 24 Monaten nach KMT, drei Patienten mit interstitieller Pneumonie innerhalb von 3 Monaten nach KMT und drei Patienten innerhalb von 4 Wochen ohne ausreichende Knochenmarkfunktion. Vier von 13 Patienten, die vor mehr als 6 Monaten transplantiert wurden, überleben zur Zeit 11, 14, 19 und 33 Monate in Vollremission. Unsere Ergebnisse bestätigen, daß selbst in fortgeschrittenen Stadien akuter Leukämie durch KMT noch langfristige Remissionen erreichbar sind.
    Notes: Summary Seventeen patients with relapsed, acute leukemia were grafted with bone marrow from HLA-identical siblings by the ‘Munich Cooperative Group for Bone Marrow Transplantation’ during the period from August 1975 to June 1980. The antileukemic and immunosuppressive conditioning treatment consisted of high doses of Bischlorethyl nitrosourea, Cytosine-Arabinoside and Cyclophosphamide, as well as, total body irradiation of about 9 Gy (midline body dose) from dual60Cobalt sources. Methotrexate was given to all patients for prophylaxis of graft-versus-host disease (GvHD). Nine patients received marrow that was treated with anti-T-cell globulin (ATCG) “in vitro”. — Crossreacting antibodies against hemopoietic stem cells were removed by absorption. Two of 5 evaluable patients given untreated marrow developed chronic GvHD, while patients given ATCG-treated marrow did not show unequivocal symptoms of GvHD. Six patients are in complete remission one to 33 months following bone marrow transplantation (b.m.t.) Five patients died with relapses of leukemia between 3 1/2 and 24 months following b.m.t., 3 patients died with interstitial pneumonia within 3 months of b.m.t. and 3 patients died with insufficient graft function within 4 weeks of b.m.t. Four of thirteen patients that were grafted more than 6 months ago are presently alive and in continuous complete remission at 11, 14, 29 and 33 months following b.m.t. Our results confirm that longterm remissions can be obtained with b.m.t. in patients with acute leukemia in advanced stage.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1440
    Keywords: Bone marrow transplantation ; Aplastic anaemia ; Knochenmarktransplantation ; Aplastische Anämie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im Rahmen der Arbeitsgemeinschaft Knochenmarktransplantation — München (AG-KMT) wurden vom März 1975 bis Mai 1980 insgesamt 12 Patienten wegen schwerer, aplastischer Anämie mit Knochenmarktransplantation (KMT) behandelt. Sechs Patienten überleben derzeit mit normalem Blutbild und Knochenmark zwischen 10 Monaten und mehr als 5 Jahren nach KMT von HLA-identischen Geschwistern, eine Patientin steht noch in ambulanter Behandlung wegen lokalisierter, chronischer Graft-versus-Host Krankheit (GvHK), fünf Patienten sind klinisch gesund. Sechs Patienten starben, ein Patient starb am Tag vor KMT mit Hirnblutung, drei Patienten 32, 40 und 55 Tage nach KMT an den Folgen der Transplantatabstoßung, einer an schwerer GvHK 85 Tage nach KMT und einer 87 Tage nach KMT vermutlich an interstitieller Pneumonie nach Hirnblutung. Drei von 6 Patienten, die nur mit Cyclophosphamid (CY) vorbehandelt waren, starben infolge Abstoßung des Transplantates. Zwei erwachsene Patienten, die mit CY und „total lymphoid irradiation“ vorbehandelt waren, und drei Kinder, die nach KMT unbestrahlte Leukocytenkonzentrate von Knochenmarkspender erhalten hatten, stießen das Transplantat nicht ab. Die Ergebnisse der AG-KMT sind vergleichbar denen großer, spezialisierter Zentren für KMT und zeigen die Möglichkeiten einer Heilung schwerer aplastischer Anämien durch KMT von HLA-identischen Geschwistern. Die Erfolge sind besser bei frühzeitiger KMT.
    Notes: Summary From March 1975 until May 1980 twelve patients with severe aplastic anemia were grafted with bone marrow from HLA-identical siblings by the Munich Cooperative Group for Bone Marrow Transplantation. Six patients are alive between 10 months and more than 5 years after grafting with normal blood values and marrow. One patient is treated as an out patient for chronic localized graft-versus-host disease (GvHD), five patients are well and without treatment. Six patients have died, one patient with a cerebral hemorrhage the day before transplantation, three patients following rejection of grafts 32, 40 and 55 days after grafting, one patient with severe GvHD 85 days after grafting and one patient, probably with interstitial pneumonia, following cerebral hemorrhage. Three of 6 patients who were conditioned with Cyclophosphamide (CY) only died following rejection of the graft. Two adults who were conditioned with CY and “total lymphoid irradiation” and three children, who were given unirradiated leukocyte concentrates from the marrow donor after grafting, did not reject their grafts. The results of the Munich-Cooperative Group for Bone Marrow Transplantation are comparable to those of large, specialized centers for bone marrow transplantation, they indicate possibilities of cure of severe aplastic anemia by marrow grafts from HLA-identical siblings. They confirm that better results are obtained with earlier transplantation in the course of the disease.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 61 (1983), S. 1199-1207 
    ISSN: 1432-1440
    Keywords: Hemochromatosis arthropathy ; Nosology ; Tissue typing ; Assessment of relatives
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 22 of 35 patients (63%) with idiopathic hemochromatosis arthropathy could be demonstrated. In 20 patients the metacarpophalangeal joints (mainly II and III) with preference of the right hand were affected. Chondrocalcinosis of the wrist and knee was found both in two patients with metacarpophalangeal joint disease and in two patients without metacarpophalangeal disease. Further joints affected were the wrists (14), the other finger joints (11), and the knees (6). The dominant clinical complaint was pain in motion. Swelling and redness were rare findings only in case of acute exacerbations. The radiologic changes in the metacarpophalangeal joints were narrowing of the joint spaces, subchondral cysts, sclerosis of subchondral bone of metacarpal heads, and marginal osteophytic appositions at the joints. In one third of the patients arthropathy was evident before the diagnosis of idiopathic hemochromatosis was made. Histocompatibility testing confirmed that HLA-A3 is significantly more frequent in patients with idiopathic hemochromatosis than in normal persons. A statistically significant difference concerning HLA-phenotypes between patients with arthropathy and patients without arthropathy could not be detected. There was no case of arthropathy when 98 relatives of the patients were examined. However, idiopathic hemochromatosis was first detected in ten persons of this group.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1440
    Keywords: Indirect gene diagnosis ; Microsatellite ; Genetic predisposition ; Complex inheritance ; Rheumatoid arthritis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To identify genes that contribute to the manifestation of rheumatoid arthritis we performed association studies via microsatellite analyses of immunorelevant loci (HLA-DRB, 5 T cell receptor loci, TNFa, IL1, 112, IL5R and CD40L). A total of 183 patients and 275 healthy controls were typed in terms of HLA and grouped according to the known predisposing HLADRB1 genes (DRB1 *04; relative risk approx. 5; DRB1 *01, relative risk approx. 2; a third group carried neither allele). Microsatellite polymorphisms characterizing the TCRBV6S3, CD3D, IL1A, IL2, and IL5R genes did not show significant associations with rheumatoid arthritis, whereas TCRBV6S1, TCRBV6S7, TNFa, and CD40L genes may influence relative protection or risk in certain groups of patients. Analysis of a microsatellite marker adjacent to the transcription element α (TEA) in the T cell receptor αδ complex indicates that in the cohort carrying neither the DRB1 *04 nor the DRB1 *01 allele the relative risk to acquire rheumatoid arthritis is increased (〉13) or decreased (〈0.07), depending on the inherited microsatellite allele adjacent to the TEA locus. Sequence analysis of the closely linked TEA region from patients and controls revealed a novel dimorphism. Only the newly identified TEA allele leads to binding of a nuclear protein that may be involved in the regulated expression of the TCRDA genes. Subsequent typing of rheumatoid arthritis patients and controls revealed, however, that the association of the microsatellite marker is largely independent of the TEA allele, confirming incomplete linkage in the 2 kb region of the TCRDA locus. These results are discussed in the context of hot spots of recombination in this genomic region and other linked candidate sequences that predispose to develop rheumatoid arthritis.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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