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  • 1
    ISSN: 1432-0428
    Keywords: Quantitative variations of serumglycoproteins in diabetics with and without vascular complications ; determination of acid α1-glycoprotein ; groupspecific component (Gc) ; α2-macroglobulin ; and haemopexin by immunodiffusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé 1. On a déterminé les concentrations dans le sérum de l'α1-glycoprotéine acide, de Gc, de l'α2-macroglobuline et de l'hémopexine, par la méthode de dosage immunologique deMancint et Coll., chez des diabétiques avec et sans complications vasculaires. — 2. Les concentrations d'α2-macroglobuline sont augmentées dans les sérums des diabétiques. La valeur moyenne était de 242 mg% chez 276 patients, alors qu'elle était de 186 mg% chez 98 donneurs de sang en bonne santé. Cette différence est statistiquement hautement significative. L'augmentation est plus prononcée dans le diabète juvénile que dans le diabète d'apparition plus tardive. L'augmentation est également plus prononcée chez les patients atteints de rétinopathie que chez ceux qui en sont exempts. II y a aussi une augmentation des concentrations d'α2- macroglobuline en rapport avec le degré des modifications artériosclérotiques des vaisseaux périphériques. — 3. Les concentrations dans le sérum d'α1-glycoprotéine acide et de Gc ne sont que légèrement augmentées chez les diabétiques par comparaison avec les donneurs de sang. — 4. II y a une augmentation légère, mais statistiquement hautement significative, des concentrations d'hémopexine dans les sérums des diabétiques. La valeur moyenne chez 243 diabétiques était de 92 mg%, chez 15 donneurs de sang en bonne santé la valeur moyenne n'était que de 77 mg%.
    Abstract: Zusammenfassung 1. Bei Diabetikern mit und ohne Gefäßkomplikationen wurden die Serumkonzentrationen des sauren α1-Glykoproteins, der gruppen-spezifischen Komponente (Gc), des α2-Makroglobulins und des Hämopexins mit der Immuno-Diffusions-Methode nachMancini und Mitarb. quantitativ bestimmt. — 2. Das α2- Makroglobulin ist bei Diabetikern vermehrt, bei 276 Patienten fand sich ein Mittelwert von 242 mg% gegenüber einem Mittelwert von 186 mg% bei 98 nicht-diabetischen Blutspendern. Diese Differenz ist statistisch hochsignifikant. Der Konzentrationsanstieg ist bei jugendlichen Diabetikern stärker ausgeprägt als bei Altersdiabetikern. Bei Patienten mit Retinopathie findet sich eine deutlichere Vermehrung als bei Patienten ohne Retinopathie. Auch geht der Anstieg des α2-Makroglobulins mit dem Schweregrad arteriosklerotischer Veränderungen der peripheren Gefäße parallel. — 3. Die Konzentrationen des sauren α2-Glykoproteins und der gruppen-spezifischen Komponente sind in Seren von Diabetikern gegenüber gesunden Blutspendern nur unwesentlich vermehrt. — 4. Die Hämopexin Konzentration ist bei Diabetikern mit einem Mittelwert von 92 mg% gegenüber gesunden Blutspendern mit einem Mittelwert von 77 mg% gering erhöht; dieser geringe Unterschied ist statistisch hochsignifikant.
    Notes: Summary 1. Serum concentrations of acid α1-glycoprotein, Gc, α2-macroglobulin and haemopexin were determined in diabetics with and without vascular complications by the immunological assay method ofMancint and co-workers. — 2. α2-macroglobulin concentrations were increased in sera of diabetics. The mean value was 242 mg% in 276 patients compared with the mean value of 186 mg% in a sample of 98 healthy blood-donors. This difference is statistically highly significant. The increase was more pronounced in juvenile diabetes than in late-onset diabetes. The increase was also more pronounced in patients with retinopathy than in patients without retinopathy. There was also an increase of α2- macroglobulin concentrations in relation to the degree of arteriosclerotic changes of the peripheral vessels. — 3. Serum concentrations of acid α1-glycoprotein and Gc were only slightly increased in diabetics compared with blood-donors. — 4. There was a small, but statistically highly significant increase of haemopexin concentrations in sera of diabetics. The mean value in 243 diabetics was 92 mg%, in 15 healthy blood-donors a mean value of only 77 mg% was found.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 44 (1966), S. 1256-1260 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 1. Serum concentrations of acid α1-glycoprotein (orosomucoid) were determined in 199 healthy blooddonors by the single radial immunodiffusion technique ofMancini et al. A mean of 1.06 mg/ml and a standard deviation of 0.28 mg/ml was found in this sample. 2. Serum concentrations of α1-antitrypsin were determined immunologically in 221 healthy blood-donors by the nephelometric method ofHölzer andBinzus. A mean of 4,32 mg/ml and a standard deviation of 0,88 mg/ml was observed. 3. In adults between 20 and 70 years of age no significant differences in the serum concentrations of these two α1-glycoproteins related to age or sex could be demonstrated. 4. The methods and their applications for clinical and genetic studies are briefly discussed.
    Notes: Zusammenfassung 1. Die Serumkonzentration von saurem α1-Glykoprotein wurde bei 199 gesunden Blutspendern mit der einfachen radialen Immunodiffusion nachMancini et al. quantitativ bestimmt. Der Mittelwert in dieser Stichprobe betrugm=1,06 mg/ml, die Standardabweichungs=0,28 mg/ml. 2. Die Serumkonzentration von α1-Antitrypsin wurde bei 221 gesunden Blutspendern nephelometrisch mit der Mikromodifikation nachHölzer undBinzus quantitativ bestimmt. Der Mittelwert in dieser Stichprobe betrugm=4,32 mg/ml, die Standardabweichungs=0,88 mg/ml. 3. In dieser Stichprobe konnten bei Erwachsenen zwischen 20 und 70 Jahren keine nennenswerten geschlechts-oder altersabhängigen Unterschiede der Serumkonzentrationen dieser beiden α1-Glykoproteine nachgewiesen werden. 4. Die Methoden und ihre Anwendungsmöglichkeiten für klinische und genetische Untersuchungen wurden kurz diskutiert.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 64 (1986), S. 667-668 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Medical microbiology and immunology 151 (1965), S. 291-310 
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Certain antisera contain two antibodies directed against two different antigenic determinants of the human haptoglobin molecule. They can be separated by absorption methods. One of these antibodies can precipitate haptoglobin only if it is free of, or only partially saturated with hemoglobin. The other antibody precipitates haptoglobin independent of the degree of saturation with hemoglobin. In contrast to these findings the inherited haptoglobin variant Hp Marburg is precipitated by both of these antibodies even after complete saturation with hemoglobin.
    Notes: Zusammenfassung Bestimmte Antiseren enthalten zwei durch. Absorptionsversuche trennbare Antikörper gegen zwei verschiedene Antigendeterminanten des Haptoglobinmoleküls. Einer dieser Antikörper präcipitiert das Hp der drei genetischen Gruppen nur, wenn dieses in freier oder nur partiell mit Hb gesättigter Form vorliegt. Der andere Antikörper präcipitiert Hp unabhängig vom Hb-Sättigungsgrad. Im Gegensatz zu normalem Hp wird eine als Hp-Marburg bezeichnete, erbliche Hp-Variante vonbeiden Antikörpern auch in Hb-gesättigtem Zustand präcipitiert.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A well defined polymorphism of vitamin D-binding/ group-specific component (GC) resides in exon 11. To characterize the molecular basis of GC*1A2 and GC*1A3, common in some Asian populations, we analyzed all coding exons amplified by the polymerase chain reaction. GC*1F was divided into GC*1Fc and GC*1FT by a C-T transition in the third nucleotide of the codon (TGC/T) for cysteine283 in exon 8. The sequencing of exons 8 and 11 showed that GC*1A2 and GC*1A3 had occurred on a GC*1Fc genetic background. They also shared a substitution of cysteine (TGC) for arginine (CGC) at position 429 in exon 11. GC*1A2 was characterized by having glycine (GGC) instead of serine (AGC) at position 335 in exon 9. GC*1A2 evolved from GC*1FT by three mutational events, i.e. GC*1FT→GC*1Fc→GC*1A3→ GC*1A2. No evidence was obtained for the existence of the duplicated gene GC*1F · 1A2 suggested by isoelectric focusing (IEF) of serum samples. The idea that the characteristic banding pattern of GC*1F · 1A2 after IEF results from partial formation of a disulfide bond in the additional cysteine at position 429 is discussed.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We report on 46,XX true hermaphroditism and 46,XX maleness coexisting in the same pedigree, with maternal as well as paternal transmission of the disorder. Molecular genetic analysis showed that both hermaphrodites as well as the 46,XX male were negative for Y-chromosomal sequences. Thus, this pedigree is highly informative and allows the following conclusions: first, the maternal as well as paternal transmission of the disorder allows the possibility of an autosomal dominant as well as an X-chromosomal dominant mode of inheritance; second, testicular determination in the absence of Y-specific sequences in familial 46,XX true hermaphrodites as well as in 46,XX males seems to be due to the varying expression of the same genetic defect; and third, there is incomplete penetrance of the defect.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 125 (1977), S. 45-57 
    ISSN: 1432-1076
    Keywords: New chromosome deletion syndrome ; Partial monosomy 8p ; Conggenital heart anomalies ; Slow growth ; Mental retardation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammefassung Es wird der Fall eines geistig retardierten 8jährigen Knaben mit einer de novo Defizienz des kurzen Arms eines Chromosoms 8 beschrieben. Mit Hilfe einer G-Banden-Methode wurde in Lymphocyten und Fibroblasten der Karyotyp 46,XY,del(8) (pter p21:) festgestellt. Die Chromosomenbefunde der phänotypisch unauffälligen Mutter, Vater und Schwester waren normal. Veröffentlichungen über 4 ähnliche Patienten weisen auf das Vorliegen eines neuen Syndroms der partiellen Monosomie des kurzen Arms des Chromosoms 8 hin, das durch folgende Stigmata charakterisiert ist: geistige Retardierung, langsames Wachstum, hohe Stirn, breiter Brustkorb, weiter Mamillenabstand, Pulmonalstenose, Atrium- und/oder Ventrikulum-Septumdefekt, Hypoplasie der Genitalia, dermatoglyphische Stigmata.
    Notes: Abstract A mentally retarded 8-year-old boy with a de novo partial monosomy for the short arm of the No. 8 chromosome is described. Based on G-banding analysis, the patient's karyotype was identified in lymphocytes and skin fibroblasts as 46,XY,del(8) (pter→p21:). No chromosomal abnormalities were found in the phenotypically normal mother, father and sister of the propositus. Four further cases described in the literature indicate that partial monosomy of the short arm of the No. 8 chromosome might be associated with a syndrome characterized by the following stigmata: mental retardation, slow growth, high forehead, broad chest, wide-set nipples, pulmonary stenosis with atrial and/or ventricular septal defect, hypoplasia of the genitalia, dermatoglyphic stigmata.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 406 (1975), S. 206-213 
    ISSN: 0005-2736
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 382 (1975), S. 172-180 
    ISSN: 0005-2736
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 233 (1971), S. 320-333 
    ISSN: 0005-2736
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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