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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 14 (1981), S. 0 
    ISSN: 1365-3083
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Various common C4 gene products were isolated from serum by immunoprecipitation. After reduction the C4 α-, β-, and γ-polypeptide chains were studied by two-dimensional electrophoresis. Isoelectrofocusing was performed in the first dimension and sodium dodecyl sulphate polyacrylamide gradient gel electrophoresis in the second. The charge differences behind the electrophoretic C4 polymorphism were shown to reside in the 95,000-u(atmic mass units) α-chain. Charge variation closely mirroring the α-chain differences were also found in a 49,000-u fragment of the α-chain, most probably C4d. The basic β-chain could not be studied in detail, but no differences were observed with regard to molecular weight or charge of the γ-chains of the different C4 gene products.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 8 (1981), S. 0 
    ISSN: 1744-313X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie , Medizin
    Notizen: Electrophoretic and serologic investigations of C4 in serum samples from a family material, showed that a weak, or partial, inhibition of anti-Rg sera, was an inherited property of some of the C4 haplotype products. The weak Rg activity was strongly, but not absolutely associated with the C4 FI and C4 I haplotypes.
    Materialart: Digitale Medien
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  • 3
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 7 (1980), S. 0 
    ISSN: 1744-313X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie , Medizin
    Notizen: C4-coated Ch(a+) red blood cells (RBC) were used as indicator cells in a serum inhibition reaction of anti-Cha, for the determination of the Ch group of serum. This serological study, combined with electrophoretic studies of C4 in a family material, showed that the C4M haplotype product was associated with partial inhibition of anti-Cha.
    Materialart: Digitale Medien
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  • 4
    Digitale Medien
    Digitale Medien
    Amsterdam : Elsevier
    Clinica Chimica Acta 62 (1975), S. 35-41 
    ISSN: 0009-8981
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 A 'family tree' of the populations studied. Dimensions are time in generations (in brackets) and assumed numbers of ancestral B8 loci (minimum plausible estimates). Iceland was settled in AD 874 by Norsemen with Irish slaves and had a population of over 70,000 by AD 1100; the Nordic and ...
    Materialart: Digitale Medien
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  • 6
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 249 (1974), S. 550-551 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Clinically the disease is characterised by proteinuria, cor-neal opacities and normochromic anaemia with decreased erythrocyte life span. The plasma cholesteryl ester and lyso-lecithin concentrations are decreased, and free cholesterol and lecithin usually increased. Studies of the LCAT-deficient ...
    Materialart: Digitale Medien
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  • 7
    Digitale Medien
    Digitale Medien
    Springer
    International journal of legal medicine 99 (1987), S. 55-64 
    ISSN: 1437-1596
    Schlagwort(e): DNA-typing ; Complement component C4 ; HLA-DR ; Blood stain identification ; DNA-Typisierung ; Komplement-Komponente C4 ; HLA-DR ; Blutspuren, Identifizierung
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin , Rechtswissenschaft
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung Es wird die Analyse des Polymorphismus der Länge eines Restriktionsfragments (RFLP, restriction fragment length polymorphism) beschrieben, wobei eine zweifache Spaltung von DNA-Präparaten mit XbaI und BglII Restriktionsenzymen und Hybridisierung mit C4 und HLA-DR angewandt wird. Bei der gewählten Untersuchungstechnik lassen sich zahlreiche individuelle Variationen in den C4 und DR Genregionen nachweisen. In einem Untersuchungsgut von 46 nicht verwandten Personen wurden in beiden Systemen 37 verschiedene Phänotypen-Muster gefunden, wobei die vorläufigen Werte des Diskriminations-Indexes mit 0.865 für C4 und mit 0.914 für DRβ berechnet wurden. Die Wahrscheinlichkeit einer Übereinstimmung bei Anwendung beider Systeme dürfte etwa bei 1.5 × 10−2 liegen. Die Brauchbarkeit dieser Methode zur Identifizierung individueller Blutspuren wurde anhand der DNA demonstriert, die aus 6 Monate alten, getrockneten Blutspuren von sieben Personen des Untersuchungskollektivs gewonnen wurde. Alle Proben konnten durch Vergleich der DNA-Muster mit denen der zuvor erstellten den entsprechenden Personen eindeutig zugeordnet werden. Es zeigten sich im DNA-Muster der Blutspuren keine u. U. lagerungsbedingte Veränderungen. Aus dieser unter Laborbedingungen durchgeführten D4 und DRβ DNA-Untersuchung kann geschlossen werden, daβ die DNA-Hybridisierungstechnik zukünftig als wichtiges Hilfsmittel bei der Spurenanalyse eingesetzt werden kann.
    Notizen: Summary A restriction fragment length polymorphism analysis using double digestion of DNA preparations with XbaI and BglII restriction enzymes and hybridization with C4 and HLA-DR probes is described. The typing conditions selected reveal extensive individual variation in both C4 and DR gene regions. In our panel of 46 unrelated individuals, 37 different phenotypic patterns were recognized when both probes were used, and preliminary discriminative power values of 0.865 and 0.914 were calculated for C4 and DRβ, respectively. The probability of a chance match using both systems is probably about 1.5 · 10−2. The potential of this method for individual identification of blood stains was demonstrated on DNA prepared from 6-month-old dried blood stains from seven panel individuals. The seven individuals were all identified when comparing stain DNA patterns with panel control patterns. No RFLP pattern changes were observed following storage of blood stains. Based on these experiments with C4 and DRβ DNA typing under laboratory conditions, it is concluded that DNA typing with such probes may become a powerful tool in future stain identification analyses.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    Springer
    Human genetics 〈Berlin〉 68 (1984), S. 181-184 
    ISSN: 1432-1203
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary In man the closely linked genes for the apolipoproteins A-I and C-III have been assigned to chromosome 11. Linkage studies performed in a Norwegian family with a mutant apoA-I gene established a close linkage between the loci for apoA-I and apoA-IV. For both sexes combined, the peak lod score was 3.01 at a recombination fraction of θ=0.00. Thus this study adds the locus of apoA-IV to the previously reported apolipoprotein gene cluster on chromosome 11. The previously unidentified polymorphic serum protein, USP1, is by immunochemical and electrophoretical methods identified as apoA-IV. ApoA-IV typing should be a valuable tool in elucidating the genomic organization of chromosome 11.
    Materialart: Digitale Medien
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  • 9
    Digitale Medien
    Digitale Medien
    Springer
    Human genetics 〈Berlin〉 62 (1982), S. 233-236 
    ISSN: 1432-1203
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary By two-dimensional electrophoresis of human serum a genetically determined polymorphism of apolipoprotein E (apoE) can be demonstrated. Three alleles occur with appreciable frequency in Caucasian populations. In the present study the segregation of apoE and complement component C3 (C3) types in material from Norwegian families has been studied. Linkage has convincingly been demonstrated between the two loci with a lod score of 3.00 in males at a recombination fraction of 13%. As it is known that the C3 locus is situated on chromosome 19 in man, apoE can be located to this specific chromosome. Positive linkage data do not, to our knowledge, at present exist with regard to other apolipoproteins.
    Materialart: Digitale Medien
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  • 10
    ISSN: 1432-1203
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Linkage has been described between the loci for apolipoprotein E (apoE) and the complement C3 (C3) on chromosome 19. C3 is known to belong to a linkage group with gene order C3-Se-Lu. The present study revealed linkage between Se and apoE with peak lod score +3.3 at recombination fraction 0.08 in males and +1.36 at 0.22 in females, and linkage between apoE and Lu with lod score +4.52 at zero recombination in sexes combined. The C3-apoE linkage gives lod score +4.00 at $$\hat \Theta$$ = 0.18 in males, but +0.04 at $$\hat \Theta$$ =0.45 in females. Triple heterozygote families confirm that apoE is on the Se side and on the Lu side of C3. Allelic association between apoE and Lu has not been ruled out. Combining our data with published data on C3-Se and Se-Lu, this segment of chromosome 19 has an average sex ratio of female/male recombination of 2.3.
    Materialart: Digitale Medien
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