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  • Articles  (51)
  • Springer  (46)
  • Wiley-Blackwell  (5)
  • 1990-1994  (22)
  • 1985-1989  (16)
  • 1975-1979  (13)
  • 1905-1909
  • Medicine  (45)
  • Energy, Environment Protection, Nuclear Power Engineering  (14)
Collection
  • Articles  (51)
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Year
Journal
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 44 (1990), S. 260-267 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 46 (1991), S. 230-236 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 34 (1985), S. 109-113 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 38 (1987), S. 143-150 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We have used a full length cDNA clone to determine the chromosomal location ofthegene encoding human ornithine aminotransferase (OAT), a mitochondrial matrix enzyme. Southern blot analysis of ScaI-digested DNA from 34 human-mouse somatic cell hybrids revealed 11 human fragments. Three fragments mapped to chromosome 10q23-10qter, confirming the previous provisional assignment of the functional gene to this autosome by analysis of OAT expression in somatic cell hybrids (O'Donnell et al. 1985). The remaining eight fragments were assigned to the X chromosome, and regionally assigned to Xp21-Xp11 by use of an X-chromosome mapping panel. These X chromosome sequences could represent pseudogenes, or related members of a multigene family. Two of the X chromosome fragments are alternate alleles of a restriction fragment length polymorphism (RFLP) making this OAT-related locus an excellent genetic marker. The RFLP may now be used to determine any possible relationship between this locus and several X-linked eye defects.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In humans, the H (heavy) and L (light) chains of the iron-storage protein ferritin, are derived from multigene families. We have examined the chromosomal distribution of these H and L sequences by Southern analysis of hybrid cell DNA and by chrosomal in situ hybridization. Our results show that human ferritin H genes and related sequences are found on at least seven different chromosomes while L genes and related sequences are on at least three different chromosomes. Further, we have mapped the chromosomal location of expressed genes for human H and L ferritin chains and have found an H sequence which may be a useful marker for idiopathic hemochromatosis.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The human B lymphocyte activation antigen B7 provides regulatory signals for T lymphocytes as a consequence of binding to its ligands CD28 and CTLA-4. The cDNA for B7 has previously been isolated and predicted to encode a type I membrane protein. The predicted polypeptide has a secretory signal peptide followed by two contiguous Ig-like domains, a hydrophobic transmembrane region and a short cytoplasmic tail. Here we report the exon-intron genomic organization of human B7 and the chromosomal location. The gene has six exons that span approximately 32 kilobases of DNA. Exon 1 is not translated and the second exon contains the initiation ATG codon and encodes a predicted signal peptide. This gene structure is characteristic for several eukaryotic genes with tissue-specific expression. The third and fourth exons correspond to two Ig-like domains whereas the fifth and sixth exons encode respectively the trans-membrane portion and the cytoplasmic tail. This close relationship between exons and functional domains is a characteristic feature of genes of the Ig superfamily. Cell surface expression of the B7 gene product has previously been mapped to human chromosome 12 by antibody reactivity with the B7-specific monoclonal antibody BB-1. We here demonstrate that theB7 gene is located to theq21-qter region of chromosome 3 by DNA blot analysis of human × rodent somatic cell hybrids.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Environmental management 1 (1977), S. 343-348 
    ISSN: 1432-1009
    Keywords: Flood-plain vegetation ; Land use ; Channelization ; Bank-stabilization ; Flood-plain forest succession
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Changes in vegetation and land use since 1826 were evaluated along the 800 kilometer portion of the Missouri River flood-plain that extends across the State of Missouri using County Land Office Survey records for 1826 and aerial photos for 1937, 1958, and 1972. The combined results show a decline in flood-plain forest coverage from 76% in 1826 to 13% in 1972; cultivated land increased from 18% to 83% during the same time. Uncultivated-unforested areas increased from 6% in 1826 to 27% in 1937, then declined to 1% in 1972; these changes occurred coincident with extensive bank-stabilization and channelization activities initiated in 1912 by the U.S. Army Corps of Engineers. Riverbank stabilization activity since that time may account for the increased rate of decline in flood-plain forests from 0.25% per year between 1826 and 1937 to 1.6% per year between 1937 and 1972. The overall species composition of the 1826 flood-plain forests was found to be most similar to mature forest stands evaluated in 1972; similar frequencies in 1826 and 1972 occurred for hackberry (Celtis occidentalis; 80% in 1826, 83% in 1972), elm (Ulmus spp.; 80% and 83%), and sycamore (Platanus occidentalis; 57% and 50%). Pawpaw (Asimina triloba), found only in mature flood-plain forests in 1972, was recorded along 54% of the 1826 section lines. These combined data indicate (1) that pre-settlement flood-plain forests were extensive and included frequent, mature stands, (2) that in certain areas substantial portions of the flood-plain were in cultivation prior to extensive riverbank stabilization and channelization, and (3) that increased flood-plain forest clearing occurred coincident with increased bank-stabilization activities.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A cluster of at lest six interferon-γ (IFNγ)-inducible genes designated Ifi201-204 and located on mouse chromosome 1 has recently been described. Here , we report a human IFN-γ-inducible gene, IFI 16, which has nucleotide sequence similarity with portions of two of the mouse genes, Ifi202 and Ifi204. A full-length cDNA clone derived from IFI 16 [2.709 kilobases (kb)] contained a single open reading frame of 2.187 kb which encoded a putative polypeptide of 729 amino acids and a predicted non-glycosylated M r of 80020. IFI 16 mRNA was found to be constitutively expressed in lymphoid cells and in cell lines of both the T and B lineages. By contrast, the mRNA was not expresed by the cell lines HL-60, U937, and K562, which represent early stages of myeloid development, but was strongly inducible in HL-60 and U937 with IFN-γ. The IFI 16 protein demonstrated a putative domain structure with patchy similarity to the proteins expressed from gene Ifi202 and Ifi204. The mouse and human proteins each contain two analogous ≈200 amino acid domains which are imperfect copies, but IFI 16 demonstrated additional unique regions, including a Lys-rich N-terminal portion and a “spacer” region between the reiterated domains, analogous to spacer regions in the CD5 and CD8α molecules. Using a panel of inter-species somatic cell hybrid cell lines, IFI 16 was localized to the chromosomal region 1q12→1qter, a region systenic between mouse an man. DNA blotting indicated that, in contrast to the mouse, IFI 16 is present as a single copy gene in the human genome. The authors are pleased to make the cDNA clones described in this paper available to interested investigators.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Molecular and cellular biochemistry 117 (1992), S. 63-70 
    ISSN: 1573-4919
    Keywords: glycogen phosphorylase ; alloxan-diabetes ; cardiomyocytes ; G-protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The basis for the hypersensitive response of glycogen phosphorylase to epinephrine stimulation was investigated in adult rat cardiomyocytes isolated from normal and alloxan-diabetic animals. To assess potential G-protein involvement in the response, normal and diabetic derived myocytes were incubated with either cholera or pertussis toxin prior to hormonal stimulation. Pretreatment of cardiomyocytes with cholera toxin resulted in a potentiated response to epinephrine stimulation whereas pertussis toxin did not affect the activation of this signaling pathway. To determine if the enhanced response of phosphorylase activation resulted from an alteration in adenylate cyclase activation, the cells were challenged with forskolin. After 3 hr in primary culture, diabetic cardiomyocytes exhibited a hypersensitive response to forskolin stimulation relative to normal cells. However, after 24 hr in culture, both normal and diabetic myocytes responded identically to forskolin challenge. The present data suggest that a cholera toxin sensitive G-protein mediates the hypersensitive response of glycogen phosphorylase to catecholamine stimulation in diabetic cardiomyocytes and this response which is present in alloxan-diabetic cells and is induced in vitro in normal cardiomyocytes is primarily due to a defect at a post-receptor site.
    Type of Medium: Electronic Resource
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