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  • liver  (22)
  • Springer  (22)
  • Elsevier
  • 2020-2024
  • 2000-2004  (1)
  • 1980-1984  (12)
  • 1975-1979  (9)
  • 1955-1959
  • 1950-1954
  • 1940-1944
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  • Springer  (22)
  • Elsevier
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 129 (2000), S. 605-607 
    ISSN: 1573-8221
    Keywords: Kupffer cell ; tetrachloromethane ; liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Acute toxic hepatitis was modeled in (CBA×C57B1)F1 mice by single injection of 40% CCl4 in oil. Pretreatment with gadolinium chloride, a selective blocker of Kupffer cells, considerably potentiated damage to hepatocytes leading to generalization of this process, delayed inflammatory infiltration, and inhibited reparative processes. Zymosan administered against the background of gadolinium chloride blockade improved liver resistance to CCl4-induced damage, intensified mononuclear infiltration, and accelerated reparative processes.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 22 (1983), S. 78-84 
    ISSN: 1436-6215
    Keywords: ADP-ribose ; liver ; nuclei ; NAD ; protein-ADP ribosylation ; riboseprotein bonds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Aus der Rattenleber isolierte Zellkerne werden mit NAD⊕ inkubiert, dessen beide Ribosen mit jeweils3H oder14C markiert sind. Enzymatischer (Phosphodiesterase) und/oder chemischer (Hydroxylamin) Abbau markierter ADP-ribosylierter Proteine und Identifizierung der aus Zellkernrückständen freigesetzten Bruchstücke erweist, daß AMP nach Hydroxylaminolyse sowie iso-ADP-Ribose nach Phosphodiesterase und Hydroxylamin — bei Fehlen nachweisbarer Mengen an Ribose-5-phosphat — das Vorkommen zusätzlicher Bindungsformen zwischen Protein und Ribose in in vitro ADP-ribosylierten Zellkern-Proteinen verlangen: Neben C-1″ (Hayaishi u. a., Stocken u. a.) noch C-2′ und/oder C-3′ (Purin-nahe) und weiterhin C-2″ und/oder C-3″ (Pyrimidin-nahe), und dies nicht nur am Kettenende, sondern auch in der Mitte der Kette von Oligo-ADPR.
    Notes: Summary Nuclei isolated from rat liver were incubated with NAD⊕ whose two ribose moieties were respectively labeled with3H or14C. By enzymatic (phosphodiesterase) and/or chemical (hydroxylamine) attack on doubly labeled ADP-ribosylated nuclear proteins and identification of fragments released from nuclear residues, AMP was found after hydroxylaminolysis as well as iso-ADP-ribose after phosphodiesterase plus hydroxylamine, in the absence of detectable amounts of ribose-5-phosphate. This is taken to indicate the existence of additional ribose-protein binding sites in in vitro ADP-ribosylated nuclear proteins: Besides C-1″ (Hayaishi et al., Stocken et al.) C-2′ and/or C-3′ (purine-near) as well as C-2″ and/or C-3″ (pyrimidine-near), not only at the end but also within the chain of oligo-ADPR.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 40 (1984), S. 986-988 
    ISSN: 1420-9071
    Keywords: Chick embryos ; liver ; chick ; chick ; liver ; nuclear size ; polyploidy ; multinuclearity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Increase in nuclear size in liver has been used as an index of polyploidy. It has long been considered that the occurrence of polyploidy and multinuclearity are characteristics of mammalian liver. The present study shows the occurrence of these phenomena in the liver of birds, so these features are not confined to mammals. 3 classes of nuclear size groups have been identified. The simultaneous occurrence of polyploidy and binuclearity indicates some sort of interrelationship between them.
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  • 4
    ISSN: 1573-4927
    Keywords: aryl hydrocarbon hydroxylase, gene loci controlling ; cigarette smoke ; mice ; lung ; liver ; 3-methylcholanthrene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract When mice from different inbred strains are injected intraperitoneally with 3-methylcholanthrene (MC), the activity of aryl hydrocarbon hydroxylase (AHH) rapidly increases in livers of some strains but not others. AHH plays a role in the metabolism of polycyclic hydrocarbons. Alleles at a small number of loci account for most of the variation in inducibility of hepatic AHH among mice, when MC is used as the inducing agent. Cigarette smoke is a common source of carcinogenic polycyclic hydrocarbons in the environment. Since some of the hydrocarbons in cigarette smoke are metabolized by AHH, the activity of AHH in tissues may affect the carcinogenicity of smoke in those tissues. The purpose of these experiments was to see whether induction of AHH in lung in response to cigarette smoke is regulated by the same genes that regulate induction of AHH in liver in response to MC. Mouse strains AKR/J and C57L/J and six recombinant inbred (RI) lines derived from them were tested for the response of AHH in lung and liver to parenteral MC or inhalation of cigarette smoke. Inducibility (the ratio of MC-induced AHH activities to basal AHH activities) in liver from MC-treated RI lines is bimodal and compatible with Mendelian segregation of genes at a small number of loci. Increased activities of AHH in MC-treated liver are associated with increased ability to metabolize BP and whole smoke condensates to mutagens detected by Salmonella typhimurium TA1538. Inducibility of AHH in lung in response to MC is not bimodal, and no definite conclusion about the number of loci can be made. When actual levels of AHH activity are considered, following the administration of MC as inducing agent, there is a correlation (r=0.89, p〈0.01) between AHH levels in liver and lung, suggesting that some genes affecting liver also affect lung. Basal and MC-induced AHH levels in lung are also correlated (r=0.86, p〈0.01). Mice with high basal activities have two to threefold higher levels of AHH after MC treatment than do mice with low basal activities. Induction of AHH in pulmonary tissues occurs in all mice after either parenteral MC or smoke inhalation. In contrast to MC treatment, AHH activities in lungs following smoke inhalation are not correlated with AHH levels in liver after MC (r=0.49) and are only weakly correlated with basal (r=0.66, 0.05〈p〈0.10) pulmonary levels. The correlation between MC-induced and smoke-induced AHH activities in lung is weak (r=0.63, 0.05〈p〈0.10). We conclude that the genetic regulation of AHH activity in lung is not as simple as the genetic regulation of AHH activity in liver, especially when complex inducing agents such as cigarette smoke are used.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 81 (1976), S. 677-680 
    ISSN: 1573-8221
    Keywords: carbon tetrachloride ; liver ; total, nuclear, and cytoplasmic RNA ; RNA turnover
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The effect of systematic administration of carbon tetrachloride (CCl4) to rats on the RNA content in the liver and the intensity of incorporation of the labeled precursor (uridine-H3) into it was investigated. Comparison of the results of morphological and biochemical studies revealed two consecutive stages of the toxic process, terminating in the formation of septal fibrosis. The sharpest changes in rapid RNA turnover in the rat liver were observed during the first 3 months of action of the toxic agent. The disturbance of metabolism also was reflected in a lowered RNA level and changes in the nucleo-cytoplasmic ratio in the tissue of the affected liver.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 86 (1978), S. 1206-1209 
    ISSN: 1573-8221
    Keywords: immunofluorescence ; cardiolipin ; phosphatidylinositol ; liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The localization of phospholipid haptens (cardiolipin and phosphatidylinositol) in frozen and paraffin sections of mouse liver fixed in acetone and in an acetone-buffer-formalin mixture was studied by the indirect fluorescent antibodies method. Antiphospholipid sera specifically stained the plasma membranes of the hepatocytes, especially the region of the membrane facing the blood sinus. Detection of phospholipid haptens in liver sections with the aid of antiphospholipid sera depends on the method of obtaining and fixing the sections. Depending on the method of immunization, two types of antiphospholipid sera are obtained; they differ in their stability, in the possibility of isolating antibodies on lipid immunosorbents from them, and in their ability to stain liver sections.
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  • 7
    ISSN: 1573-8221
    Keywords: Carcinogens ; 4-dimethylaminoazobenzene ; noncarcinogenic homologs ; liver ; α-fetoprotein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of experimental biology and medicine 93 (1982), S. 32-33 
    ISSN: 1573-8221
    Keywords: transketolase ; liver ; brain ; hydroxythiamine derivatives
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-8221
    Keywords: oxygen ; tourniquet shock ; generalized hypoxia ; muscle ; skin ; liver ; kidney ; small intestine ; cerebral cortex
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-8221
    Keywords: microsomal mono-oxygenases ; lipid peroxidation ; antioxidants ; liver ; cold
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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