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  • 1
    Electronic Resource
    Electronic Resource
    Oxidation of β-Phenylethylamine by Both Types of Monoamine Oxidase: Examination of Enzymes in Brain and Liver Mitochondria of Eight Species (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 36 (1981), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: β-Phenylethylamine (PEA) was characterized as a substrate for type A and type B monoamine oxidase (MAO) in brain and liver mitochondria of eight species at different substrate concentrations. In all species, at 10.0 μM, PEA was almost specific for type B MAO. At 1000 μM, however, the amine was common for both types of MAO in rat brain and liver, human brain and liver, mouse brain, guinea pig brain and liver, and bovine brain, while it was specific for type B MAO in mouse liver, rabbit brain and liver, bovine liver, pig brain and liver, and chicken brain and liver. From the present study, when PEA is used as a type B substrate, it is recommended that the substrate concentration should be sufficiently low to avoid the effects of species and tissue differences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1981.tb01734.x
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  • 2
    Electronic Resource
    Electronic Resource
    Postnatal development of 5-hydroxytryptamine and monoamine oxidase in rat spinal cord (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 27 (1976), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1976.tb01589.x
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  • 3
    Electronic Resource
    Electronic Resource
    DNA SYNTHESIS IN NEURONAL, GLIAL AND LIVER NUCLEI ISOLATED FROM THE ADULT GUINEA PIG (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 27 (1976), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— [3H]Deoxythymidine-5′-triphosphate incorporation into P51 (51% neuronal nuclei: 49% glial nuclei), P3 (3% neuronal nuclei: 97% glial nuclei) and liver nuclear preparations, isolated from the adult guinea pig, was determined in the presence of the other three complementary deoxyribonucleo-tides. The enzymic characteristics of the DNA synthesis reaction were studied and DNA polymerase contents were estimated in neuronal, glial and liver nuclei. (1) Cerebral and liver nuclei exhibited similar enzymic properties for DNA synthesis activities with a few discrepancies. (2) P51 nuclei synthesized DNA 2.4-fold more actively than P3 nuclei. Liver nuclei carried out the most active DNA synthesis. The proportion of chromatin DNA available as template and primer was estimated by comparison with native calf thymus DNA. The available proportions found, in terms of the total chromatin DNA. were 2.39% for P51 nuclei, 1.38% for P3 nuclei and 37.6% for liver nuclei. (3) Exogenous native and heat-denatured calf thymus DNA were utilized as template and primer by DNA polymerase in nuclei in different ways depending on the nuclear species. The enzyme was saturated with native DNA by elevating the concentration and the activity reached a plateau. Denatured DNA inhibited the activity at the higher concentrations. (4) From the enzyme activities at a saturation concentration of exogenous DNA, DNA polymerase contents were estimated: P51 nuclei, 39.2 ± 2.6 (s.e.m.) units (fmol of TMP incorporated/30 min at 31°C)/μg of nuclear DNA; P3 nuclei. 24.5 ± 1.6; and liver nuclei, 72.5 ± 8.1; the specific activity obtained on a protein basis was 1.55 times higher with P3 nuclei than with P51 nuclei. (5) Denatured DNA inhibited the nuclear DNA polymerase activity dependent on native DNA. The efficiency of inhibition was in the order: P3 〉 P51 〉 liver nuclei.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1976.tb01552.x
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  • 4
    Electronic Resource
    Electronic Resource
    Source of Ground Water in the Deserts of Northern Chile: Evidence of Deep Circulation of Ground Water from the Andes (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 28 (1990), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Ground water in the Pampa del Tamarugal basin part of the desert of Northern Chile is the main water resource for cities and agricultural activities in the region. As the area received virtually no precipitation, the source of the ground water is rains in the high Andes. Aquifer recharge has been linked to a drainage system associated with this part of the Andes. Ground-water flow is from northeast to southwest, and a flow component from east to west is also observed in some parts of the basin. In general, the water becomes very saline towards the western part of the basin, giving rise to salt lakes (salares) in ground-water discharge areas. However, isotopic, chemical, and geological evidence plus ground-water temperatures distribution, suggest the existence of a different recharge mechanism linked to a regional ground-water flow system. It is suggested that low-salinity water emerges from ground water recharged in the high Andes through a basement fault system underneath the basin. This model has implications for the future exploration for new fresh-water resources.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1990.tb01706.x
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  • 5
    Electronic Resource
    Electronic Resource
    Molecular cloning and characterization of a new Japanese cedar pollen allergen homologous to plant isoflavone reductase family (2002)
    Oxford, UK : Blackwell Science Ltd
    Clinical & experimental allergy 32 (2002), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Japanese cedar (Cryptomeria japonica) pollen is a major cause of seasonal pollinosis, and more than 10% of Japanese people suffer from this allergic disorder. However, only two major pollen allergens, Cry j 1 and Cry j 2, have been identified and exclusively characterized.Objective The aim of this study was to explore and identify important Japanese cedar pollen allergens other than Cry j 1 or Cry j 2.Methods C. japonica cDNA library was immunoscreened by rabbit antiserum raised against a partially purified cedar pollen allergen fraction. An isolated cDNA clone was inserted into a glutathione S-transferase (GST)-tagged Escherichia coli expression vector to obtain recombinant GST fusion protein. Non-fusion recombinant protein was purified by glutathione Sepharose affinity chromatography in conjunction with factor Xa cleavage of the GST moiety. IgE-binding ability of the recombinant protein was then evaluated by western blot analysis and enzyme-linked immunosorbent assay (ELISA).Results The cDNA encodes 306 amino acids with significant sequence similarity to those of plant isoflavone reductase-like proteins, which include a recently identified birch pollen allergen Bet v 5. Western blot analysis demonstrated that recombinant protein was recognized by cedar pollinosis patient IgE. In contrast to Bet v 5 being reported as a minor allergen, the recombinant protein exhibited 76% IgE binding frequency (19/25) against pollinosis patients.Conclusion Here we identified the third member of Japanese cedar pollen allergen homologous to isoflavone reductase. Its high IgE-binding frequency implicates that the isoflavone reductase homologue might be an additional major pollen allergen in C. japonica.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2222.2002.01405.x
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  • 6
    Electronic Resource
    Electronic Resource
    Identification of T-cell epitope sequences on an important mite antigen (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 27 (1997), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background T-cell epitopes on Der 1 and Der 2 groups, the major mite allergens, have been intensively analysed, while those on the other important allergens remain to be elucidated. We have cloned four cDNAs coding for important mite allergens on the basis of frequency and capacity of IgE binding. Stimulatory action of glutathione S-transferase-fused Mag1 on lymphocytes from mite-allergic patients was relatively high among them.Objective To identify T-cell epitopes on Mag1, we studied the stimulating activity of truncated Mag1 proteins and synthetic peptides on proliferative response of lymphocytes from mite antigen-immunized mice and mite-sensitive patients.Methods Truncated Mag1 proteins were expressed as a fusion protein with β-galactosidase in Escherichia coli pop2136 carrying a variety of deleted Mag1 inserts. Murine T-cell epitope regions were estimated by the truncated antigen-induced lymphocyte proliferation assay. Overlapping peptides covering the whole sequence of the presumed T-cell epitope regions were synthesized to identify the epitope core. sequences using murine and human Mag1-specific T-cell lines.Results Amino acid range 56–70 on Mag1 molecule showed remarkable stimulatory action on murine T cells, while amino acid ranges 51–65 and 86–100 had potent stimulatory activity on human T cells.Conclusion These results suggest that Mag1 is a valuable antigen suitable for studies on T-cell responses and T-cell epitopes in mice and humans.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1997.tb01261.x
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  • 7
    Electronic Resource
    Electronic Resource
    3-(p-Hydroxyphenyl)propionic acid as a new fluorogenic reagent for amine oxidase assays
    Amsterdam : Elsevier
    Analytical Biochemistry 138 (1984), S. 133-136 
    Details
    ISSN: 0003-2697
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-2697(84)90780-2
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  • 8
    Electronic Resource
    Electronic Resource
    Cryopreservation of rat blastocysts by vitrification
    Amsterdam : Elsevier
    Cryobiology 25 (1988), S. 170-173 
    Details
    ISSN: 0011-2240
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0011-2240(88)90011-9
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  • 9
    Electronic Resource
    Electronic Resource
    Failure to verify the presence of pyrroloquinoline quinone (PQQ) in bovine plasma amine oxidase by gas chromatography/mass spectrometry
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 283 (1990), S. 533-536 
    Details
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-9861(90)90679-S
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  • 10
    Electronic Resource
    Electronic Resource
    Acetylputrescine deacetylase from Micrococcus luteus K-11
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 882 (1986), S. 140-142 
    Details
    ISSN: 0304-4165
    Keywords: (M. luteus K-11) ; Acetylputrescine deacetylase ; Acylpolyamine amidohydrolase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0304-4165(86)90066-8
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