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  • 1980-1984  (3)
  • 1970-1974  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 62 (1984), S. 837-842 
    ISSN: 1432-1440
    Keywords: Hepatitis B virus ; Hepatitis markers ; Anti-hepatitis B core immunoglobulin M
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Hepatitis B core antigen (HBcAg) synthesized in E. coli was used for determination of immunoglobulin M class-specific antibodies against HBcAg. It was found that 98% of cases with acute hepatitis B surface antigen (HBsAg) positive hepatitis type B were anti-HBc immunoglobulin M (IgM) positive. Atypical hepatitis B was detected in 33% of anti-HBc-positive HBsAg-negative cases with acute hepatitis. Anti-HBc IgM was positive for 6 months in acute resolving hepatitis type B, whereas cases resulting in chronic hepatitis B remained anti-HBc IgM-positive for up to 900 days. Chronic HBsAg carriers with severe liver disease had anti-HBc IgM more often than individuals with minor liver damage; 83% of HBsAg-positive liver cirrhoses, 63% of chronic aggressive hepatitis, 50% of HBsAg-positive liver carcinoma, but only 17% of chronic persistent hepatitis or 7% of healthy blood donors were anti-HBc IgM-positive. Determination of anti-HBc IgM is useful in detecting atypical hepatitis B virus infections without HBsAg in serum and, with some restrictions, in discriminating acute and chronic hepatitis type B.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 48 (1970), S. 503-504 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The activities of 8 key-enzymes (glucose-6-phosphate-dehydrogenase, 6-phosphogluconate-dehydrogenase, hexokinase, phosphofructokinase, pyruvate kinase, glycerol-3-phosphate-dehydrogenase, malate dehydrogenase, phosphoglucomutase) have been estimated in the subcutaneous adipose tissue of 27 patients with hyperlipemia of different origin. We found that the activities of glucose-6-phosphate-dehydrogenase and hexokinase were diminished significantly, what means a lowered utilisation of glucose. From these results in connection with a diminished activity of glycerol-3-phosphate-dehydrogenase it can be concluded that lipogenesis in human adipose tissue is diminished at the same time.
    Notes: Zusammenfassung Im subcutanen Fettgewebe von 27 Patienten mit Hyperlipidämien verschiedener Genese wurden die Aktivitäten von 8 Schlüsselenzymen bestimmt (Glucose-6-Phosphat-Dehydrogenase, 6-Phosphogluconat-Dehydrogenase, Hexokinase, Phosphofructokinase, Pyruvatkinase, Glycerin-3-Phosphat-Dehydrogenase, Malatdehydrogenase, Glucophosphomutase). Dabei fand sich eine hochsignifikante Herabsetzung der Glucose-6-Phosphat-Dehydrogenase- und der Hexokinase-Aktivität, woraus auf eine verminderte Glucoseverwertung geschlossen werden kann. In Verbindung damit spricht die deutlich erniedrigte Aktivität der Glycerin-3-Phosphat-Dehydrogenase für eine gleichzeitig herabgesetzte Lipogenese im menschlichen Fettgewebe.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 49 (1971), S. 358-360 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Im subcutanen Fettgewebe von Mensch und Schwein sowie im epididymalen Fettgewebe der Ratte wurden Enzymmuster bestimmt: Glucose-6-Phosphatdehydrogenase (EC 1.1.1.49), 6-Phosphogluconatdehydrogenase (EC 1.1.1.44), Hexokinase (EC 2.7.1.1), Phosphofructokinase (EC 2.7.1.11), Pyruvatkinase (EC 2.7.1.40), Glucophosphomutase (EC 2.7.5.1), Glycerin-3-Phosphatdehydrogenase (EC 1.1.1.8), Malatdehydrogenase (EC 1.1.1.37), Glutamatpyruvattransaminase (EC 2.6.1.2), Glutamatoxalacetattransaminase (EC 2.6.1.1), Glutamatdehydrogenase (EC 1.4.1.3), Citrate Cleavage Enzyme (EC 4.1.3.8), Malic Enzyme (EC 1.1.1.38), Glycerokinase (EC 2.7.1.30), Glucose-6-Phosphatase (EC 3.1.3.9) und Fructose-1,6-Diphosphatase (EC 3.1.3.11). Trotz der unterschiedlichen Lokalisation der Gewebe und des verschiedenen Gehaltes an löslichem Extraktprotein (Ratte:Mensch:Schwein=21,7±1,6:21,0±1,9:5,4±0,5mg/g Frischgewicht) finden sich annähernd übereinstimmende Enzymaktivitätsmuster. Bei allen drei Species ist die Phosphofructokinase das limitierende Glykolyse-Enzym und erfolgt der Glucoseabbau offensichtlich überwiegend über den Pentose-Phosphat-Shunt; eine weitere Gemeinsamkeit ist das Fehlen von Glycerokinase-Aktivität. Bezogen auf Extraktprotein liegen jedoch fast alle Enzymaktivitäten im menschlichen Fettgewebe um annähernd eine Zehnerpotenz niedriger als bei Ratte und Schwein. Im Gegensatz zu diesen beiden Species ist im Humanfettgewebe kein Citrate-Cleavage-Enzyme nachweisbar.
    Notes: Summary Enzyme patterns (Glucose-6-Phosphatdehydrogenase (EC 1.1.1.49), 6-Phosphogluconatdehydrogenase (EC 1.1.1.44), Hexokinase (EC 2.7.1.1), Phosphofructokinase (EC 2.7.1.11), Pyruvatkinase (EC 2.7.1.40), Glucophosphomutase (EC 2.7.5.1), Glycerin-3-Phosphatdehydrogenase (EC 1.1.1.8), Malatdehydrogenase (EC 1.1.1.37), Glutamatpyruvattransaminase (EC 2.6.1.2), Glutamatoxalacetattransaminase (EC 2.6.1.1), Glutamatdehydrogenase (EC 1.4.1.3), Citrate Cleavage Enzyme (EC 4.1.3.8), Malic Enzyme (EC 1.1.1.38), Glycerokinase (EC 2.7.1.30), Glucose-6-Phosphatase (EC 3.1.3.9) and Fructose-1,6-Diphosphatase (EC 3.1.3.11)) have been measured in subcutaneous adipose tissue of man and pig and in the epididymal fat pads of rats. The conduct of soluble extract-protein was equal in rat (21.7±1.6 mg/g) and man (21.0±1.9 mg/g) but different in pig (5.4±0.5 mg/g). In all three species the pattern was nearly the same; phosphofructokinase was the rate-limiting enzyme of glycolysis; most of the glucose degradation in white adipose tissue seems to be done via the pentose-phosphate-shunt; there was no measurable activity of glycerokinase. In human adipose tissue—where nearly all enzyme activities were about ten times lower—there was no citrate cleavage enzyme either.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 48 (1970), S. 224-227 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 13 key enzymes have been investigated in subcutaneous adipose tissue from patients without metabolic or malignant diseases. The enzymes were selected in regard to possible changes in different metabolic diseases. The results are compared to the literature and the differences are discussed.
    Notes: Zusammenfassung Im subcutanen Fettgewebe von 21 laparotomierten Stoffwechselgesunden und Nichtcarcinomkranken wurden 13 Schlüsselenzyme untersucht. Die Auswahl der Enzyme wurde im Hinblick auf mögliche Aktivitätsänderungen bei verschiedenen Krankheitsbildern getroffen. Die Ergebnisse werden mit den Angaben in der Literatur verglichen und die vorhandenen Unterschiede diskutiert.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 49 (1971), S. 108-110 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei einer Patientin mit einer reticulocytogenen lipophagen Granulomatose in Unterhautfettgewebe und Lunge sowie zwei Patientinnen mit Mamma-Carcinom wurden im Tumorgewebe die Aktivitäten folgender Enzyme bestimmt: G-6-PDH, 6-PGDH, HK, PFK, PK, GDH, GK, MDH, GPM, GPT, GOT und GluDH. In Übereinstimmung mit der Literatur fanden wir in beiden Geweben ein tumorspezifisches Enzymmuster. In den Retikuloseknoten ließ sich darüberhinaus eine deutlich meßbare Aktivität der Glycerokinase nachweisen. Die „Michaelis-Konstante“ für Glycerin unterschied sich nicht von dem für Lebergewebe angegebenen Wert. Gut meßbare Aktivitäten dieses Enzyms sind bisher nur für Leber- und Nierengewebe angegeben worden.
    Notes: Summary The activities of the following enzymes were determined in a patient showing reticulo-cytogenous lipophagic granulomatosis in her subcutaneous adipose tissue and the lungs, as well as in two patients with carcinoma of the breast: G-6-PDH, 6-PGDH, HK, PFK, PK, GHD, GK, MDH, GPM, GPT, GOT and GluDH. We found a tumor-specific enzyme pattern in both tissues, a finding which is in accord with the results published in the literature. Furthermore, a well measurable glycerokinase activity in the reticulo-cytogenous lipophagic granulomas could be demonstrated as well. The Michaelis-Menten constant for glycerol was not different from the values found in hepatic tissue. So far, these enzymatic activities had been found to be easily assessable in liver and kidney tissue only.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 49 (1971), S. 437-439 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Ratte, Maus, Meerschweinchen, Mensch, Kaninchen und Schwein konnte in vitro — und bei den beiden letztgenannten Species auch in vivo — eine lipolytische Wirkung eines von uns aus Schweinehypophysen dargestellten lipidmobilisierenden Polypeptids nachgewiesen werden. Beim Menschen zeigte sich nur ein Effekt auf die Glycerin-, nicht auf die Fettsäurefreisetzung; beim Schwein war in vitro keine Lipolysestimulation zu erzielen, in vivo dagegen eine starke Wirkung. Wie Untersuchungen der Cyclo-AMP-Phosphodiesterase-Aktivität im Fettgewebe des Menschen und der Ratte ergeben haben, ist als möglicher Wirkungsmechanismus eine Hemmung dieses Enzyms zu diskutieren. — Dieser Nachweis einer offenbar universellen Wirksamkeit stellt einen weiteren Hinweis auf das Vorhandensein eines speziellen lipidmobilisierenden Peptids in der Hypophyse dar.
    Notes: Summary The lipolytic effect of a polypeptide isolated from pig pituitaries was investigated in vitro and/or in vivo in 6 species. In vitro the peptide was active in the rat (MED 0,1 µg/ml), in the mouse and guinea-pig (MED 1,0 µg/ml each) and in the rabbit (MED 0,01 µg/ml). In human adipose tissue there was only an effect on glycerol liberation, in the pig no effect at all. But in vivo a strong action could be demonstrated in the minipig by injection of 100 µg/kg intravenously. Phosphodiesterase activity in adipose tissue of man and rat was inhibited by the peptide.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Medical microbiology and immunology 159 (1974), S. 137-140 
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract 11 HSV strains isolated from patient's material are typed by an indirect immunofluorescent technique and the results are compared to those of the “rct”-test (distinction by temperature markers). Producing both satisfactory results, the first method is superior to the second one because of its rapidity.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 3 (1984), S. 30-34 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The antigenic activity of HBcAg produced inEschericha coli and HBcAg from human liver was compared in aμ-specific solid-phase antibody-capture assay for detection of anti-HBc-IgM. HBcAg from liver could be detected in dilutions up to 1∶3, HBcAg fromEscherichia coli in dilutions up to 1∶10, 000. Using HBcAg fromEschericha coli, sera from five patients with acute resolving hepatitis B and sera from four patients with actue hepatitis B who had developed chronic liver disease were tested for anti-HBc-IgM in ELISA. IgM fractions separated out of the same sera by immunoaffinity chromatography were tested for anti-HBc-IgM using a commercially available test. The results were in good agreement with those obtained by ELISA. Anti-HBc-IgM could be detected up to 900 days after onset of disease. Different groups of patients were tested for presence of anti-HBc-IgM in ELISA. Fifty-nine of 60 patients with acute hepatitis B were positive for anti-HBc-IgM at onset of illness. Ten of 16 patients with chronic aggressive hepatitis and seven of 23 HBsAg positive dialysis patients were also positive for anti-HBc-IgM, whereas only two of 12 patients with chronic persistent hepatitis and one of 15 HBsAg positive blood donors (“healthy” carriers of HBsAg) had detectable anti-HBc-IgM.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical microbiology & infectious diseases 1 (1982), S. 118-121 
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A rapid and easy method for isolating IgM from serum specimens in order to detect specific antibodies againstTreponema pallidum and rubella virus by routine serologic procedures is described. Serum IgM was isolated by immunoaffinity chromatography using anti-human IgM antibodies covalently bound to controlled-pore glass beads in a microcolumn. The final concentration of the IgM in the samples tested amounted to at least 16 % (average 32 %) of the original concentration (corresponding to a serum dilution of 1∶〈8). IgG contamination did not exceed 0.38 % of the original serum concentration. The capacity of the column was stable for at least 50 absorption/ elution cycles. The new technique enables rapid and reliable detection of specific IgM by the rubella hemagglutination inhibition andTreponema pallidum hemagglutination tests.
    Type of Medium: Electronic Resource
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