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  • Articles  (83)
  • Springer  (40)
  • American Association for the Advancement of Science  (25)
  • American Chemical Society (ACS)  (18)
  • 2010-2014  (36)
  • 1985-1989  (28)
  • 1975-1979  (19)
  • Medicine  (50)
  • Energy, Environment Protection, Nuclear Power Engineering  (37)
Collection
  • Articles  (83)
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Year
Journal
  • 1
    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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  • 2
    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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  • 3
    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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  • 4
    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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  • 5
    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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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 156 (1975), S. 475-482 
    ISSN: 1432-0878
    Keywords: Annulate lamellae ; Spermatocytes ; Grasshoppers ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Intranuclear and cytoplasmic annulate lamellae were studied in grasshopper spermatocytes (Melanoplus) with the electron microscope. Although cytoplasmic annulate lamellae were observed in all three species examined, intranuclear annulate lamellae were found in only one species. The intranuclear annulate lamellae encompass certain nuclear material adjacent to the nuclear envelope forming a vesicle that is extruded into the spermatocyte cytoplasm. In this same species, cytoplasmic annulate lamellae are seen contiguous with granular masses of varying size. These structures were noted as being morphologically indistinguishable from the “yolk nuclei” of dragonfly oocytes (Kessel and Beams, 1969; Kessel, 1973).
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0878
    Keywords: Kidney cell cultures ; Glycosphingolipids ; Dolichols ; D-valine medium ; Beige mouse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Primary kidney cultures from adult beige-J (bg J/ bg J) mice were selected for epithelial cell growth using D-valine medium. After 2 weeks of attachment and proliferation in vitro, the cells form a confluent or nearly confluent monolayer that retains several phenotypic characteristics of the beige-J mutant. These include large, multilamellar inclusion bodies that are apparently dysmorphic lysosomes, and higher concentrations of neutral glycosphingolipids and dolichols than control cells. β-Glucuronidase activity, used as a lysosomal enzyme marker, is not elevated in beige-J-cultured kidney cells compared with controls, as it is in the intact kidney. The high levels of β-glucuronidase activity in both control and mutant cells may mask expression of this difference in vitro. The action of the beige-J mutation in kidney cells is thought to be due to a block in exocytosis that results in the accumulation of abnormal lysosomes and their components. The maintenance of the beige phenotype in vitro indicates that the mutation is not suppressed in primary kidney cell cultures. The expression of the beige phenotype in vitro should be useful for studies concerning the primary lesion of this mutation.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-0646
    Keywords: doxorubicin ; iproplatin ; breast cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Forty-eight patients with advanced breast cancer were treated in a disease-specific phase I trial of doxorubicin and iproplatin combination chemotherapy. The doses of doxorubicin ranged between 30 and 50 mg/m2, and the doses of iproplatin ranged between 150 and 250 mg/m2. Myelosuppression was observed at all levels, but was dose-limiting at the highest level. In addition, nausea, diarrhea and malaise were prominent toxicities. Neither cardiac nor renal toxicity was encountered. Nine of 26 (35%) of previously untreated patients, and 5 of 22 (23%) previously treated patients demonstrated partial or complete responses. Although this combination possesses therapeutic activity, given its toxicities, further evaluation of doxorubicin in combination with iproplatin is not recommended.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-0646
    Keywords: breast cancer ; Iproplatin ; CHIP ; phase II study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Twenty-five women with advanced breast cancer were treated in a phase II trial of iproplatin 275 mg/m2 administered intravenously every 4 weeks. All patients had measurable or evaluable indicator lesions, and had undergone treatment with no more than one previous chemotherapy regimen, including adjuvant chemotherapy. Two of the twenty-four evaluable patients (8%) experienced major therapeutic responses. One patient had a complete regression of pulmonary nodules lasting 18 + months; another had a partial regression of metastatic disease in the liver (4 months). The inevaluable patient was ineligible for the study because of previous radiation to the indicator lesions on her chest wall; nonetheless, she experienced a 10 month partial regression of those nodules. Myelosuppression was generally dose limiting; thrombocytopenia was more profound, but leukopenia was more prolonged. Nausea, vomiting, diarrhea, and general malaise were prominent toxicities, and led to discontinuation of therapy in 4 patients. Iproplatin has limited activity in previously treated women with advanced breast cancer.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-0646
    Keywords: intraperitoneal interleukin 2 ; ovarian carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Seven patients with refractory stage III ovarian carcinoma were treated with escalating doses of human recombinant interleukin 2 (rIL-2) administered via the intraperitoneal (IP) route in an attempt to establish a dose and schedule of rIL-2 suitable for prolonged outpatient IP administration. Three patients went on to receive outpatient maintenance treatment twice weekly for 2–3 months. Doses ranged from 105 to 5 × 107 U/m2. The dose found most suitable for twice weekly outpatient IP administration was 106 U/m2. Dose-limiting toxicities consisted of diarrhea resulting in hypovolemia (5 patients) fever and chills (4 patients), nausea and vomiting (1 patient), mental status changes (2 patients), and azotemia (1 patient). These side effects were not prevented by indomethacin. Significant hypotension was not observed. Pharmacokinetic studies revealed extremely high IP concentrations of IL-2 which persisted for more than 24 hours. After a dose of 106 U/m2, the IP concentrations ranged from 670 to 760 U/ml. In one patient in whom concurrent serum concentrations were determined, the IP concentrations were over 100-fold higher than serum levels. After a dose of 107 U/m2, the IP concentrations of IL-2 ranged from 8700 to 14000. Concurrent serum levels in one patient revealed IP concentrations over 500-fold higher than serum levels. There were no consistent changes in T cell surface and activation markers on mononuclear cells from peripheral blood in 3 patients tested. Natural killer cell (NK) activity in peripheral blood increased in the three patients in whom it was measured. Four of the 7 patients progressed on treatment; 3 patients remained stable. We conclude that 106 U/m2 of rIL-2 is well-tolerated when administered by the IP route and that concentrations of IL-2 well in excess of that required to enhance cell-mediated cytotoxicity in vitro persist in the IP fluid for at least 24 hours.
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