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  • 1
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Current genetics 28 (1995), S. 384-389 
    ISSN: 1432-0983
    Keywords: Fungi ; High-GC primers ; RAPDs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract For genetic analysis of fungal DNAs, we have modified the RAPD method to use primers with G+C contents of 80–100%. In RAPD analysis of Puccinia graminis f. sp. tritici DNAs, these primers generated twice the number of both amplification products per primer and polymorphisms among isolates as compared to the standard 60–70% G+C primers. With respect to segregation and genetic similarity, RAPD markers generated by the high-GC primers behaved as do RAPD markers produced by the standard primers. These high-GC primers also yielded increased numbers of amplification products in RAPDs on the DNAs of a broad range of other fungi.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Psychology 48 (1997), S. 31-59 
    ISSN: 0066-4308
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Psychology
    Notes: Abstract This chapter reviews the vocational experiences of women as they have been revealed in the literature during the past decade. The review considers primarily empirical literature; findings are sampled relative to women's self-concept development, readiness for vocational choices, actual choices made, work-force entry, experiences at work, and retirement. Suggestions are made regarding the next generation of research on women and career development.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Australasian journal of dermatology 37 (1996), S. 0 
    ISSN: 1440-0960
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Juvenile dermatomyositis (JDMS) is a chronic inflammatory condition characterized by muscle weakness and a distinctive rash caused by underlying vasculopathy. Long-term complications include subcutaneous and muscular calcification, contractures and in some cases the gradual development of a second connective tissue disease. Early aggressive treatment with systemic immunosuppressants and other agents such as intravenous immunoglobulin (IVIG) reduces mortality and morbidity.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract : Gene expression plays an important role in determining the fate of neurons after ischemia. To identify additional genes that promote survival or execute programmed cell death in ischemic neurons, a subtractive cDNA library was constructed from hippocampus of rats subjected to global ischemia. With use of a differential screening technique, a cDNA was identified that was upregulated after ischemia. The cDNA was found to have high homology with human cyclin H at both the nucleotide level (89%) and the amino acid level (93%). Northern blotting detected cyclin H mRNA in nonischemic and ischemic brains. In situ hybridization studies revealed that cyclin H message was found in hippocampal neurons in nonischemic brain. After ischemia, expression was increased primarily in the dentate gyrus and CA3 regions of hippocampus. Expression of cyclin H protein, detected by western blotting of hippocampal tissue, was increased after global ischemia, but expression of cyclins B1 and D1 and other related cell cycle genes (Cdk7 and Cdc2) was not increased. Cyclin H immunoreactivity was found exclusively within neurons. After ischemia, there was increased immunoreactivity within neurons in dentate gyrus, CA3, and cortex. Thus, cyclin H is expressed in normal postmitotic neurons and expression is increased in neurons that are ischemic yet survive. These results suggest that cyclin H may have functions in neurons other than cell cycle regulation, including other known functions such as DNA repair.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. During the course of tumor progression the differentiated morphologic and functional characteristics of differentiated thyroid carcinomas (DTC) disappear. This corresponds to more aggressive growth, metastatic spread, and loss of iodine uptake. Experimental data give strong evidence that differentiated functions of iodine metabolism can be reinduced by retinoic acids. Results of a study performed in patients with advanced DTC are presented. Twenty patients with DTC (eight follicular, seven papillary, five oxyphilic) were selected for treatment with retinoic acid 1.5 mg/kg body weight/day over 5 weeks. All patients had advanced tumor stages with prior operative and radioiodine treatment. Extensive tumor invasion, distant metastatic spread, or insufficient or no radioiodine uptake precluded any conventional therapeutic option. The aim was to assess the changes under retinoid treatment. Iodine uptake increased in eight patients (three follicular, three papillary, two oxyphilic). Thyroglobulin (TG) as parameter for tumor mass and differentiation increased in 12 (63%) patients, decreased in 6 (32%), and did not change in 1 (5%). Retinoids do have an effect on differentiation status of DTC, reinducing iodine uptake in 50% of patients. TG levels do not always parallel a response in iodine uptake.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0851
    Keywords: Key words Fc receptors ; Transgenic ; Cytotoxicity ; NK cells ; Macrophages
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fcγ receptor (FcγR) engagement is pivotal for many effector functions of macrophages, polymorphonuclear neutrophils (PMN), and natural killer (NK) cells. Mice transgenic for the A and B isoforms of human (h) FcγRIII on macrophages, PMN, and NK cells were constructed to permit the study of mechanisms and potential in vivo strategies to utilize the cytotoxic effector and antigen-presenting functions of cells expressing the hFcγR. The present report characterizes the phenotypic and functional expression of hFcγRIII in transgenic mice derived by crossing hFcγRIIIA and hFcγRIIIB transgenic mice. Interleukin-2 (IL-2) induces hFcγRIII expression by myeloid cells and their precursors, and these transgenic receptors promote in vitro cytotoxicity and anti-hFcγRIII antibody internalization. Splenocytes from untreated and IL-2-treated hFcγRIIIA, hFcγRIIIB, and hFcγRIIIA/B mice exhibited enhanced in vitro cytotoxicity toward HER-2/neu-overexpressing SK-OV-3 human ovarian carcinoma cells when incubated with the murine bispecific mAb 2B1, which has specificity for HER-2/neu and hFcγRIII. These results indicate that hFcγRIII transgenes are expressed on relevant murine cellular subsets, exhibit inducible up-regulation patterns similar to those seen in humans, and code for functional proteins. hFcγRIII transgenic mice exhibiting specific cellular subset expression will permit the examination of strategies designed to enhance hFcγRIII-dependent immunological effector functions and will provide a model system in which to evaluate preclinically potential candidate molecules that recognize hFcγRIII for the immunotherapy of cancer.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0851
    Keywords: Key words Human neutrophil interactions ; Bispecific monoclonal antibodies ; Targeting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  2B1 is a bispecific murine monoclonal antibody (bsmAb) targeting the c-erbB-2 and CD16 (FcγRIII) antigens. c-erbB-2 is over-expressed by a variety of adenocarcinomas, and CD16, the low-affinity Fcγ receptor for aggregated immunoglobulins, is expressed by polymorphonuclear leukocytes (PMN), natural killer (NK) cells and differentiated mononuclear phagocytes. 2B1 potentiates the in vitro lysis of c-erbB-2 over-expressing tumors by NK cells and macrophages. In this report, the interactions between 2B1 and PMN were investigated to assess the impact of these associations on in vitro 2B1-promoted tumor cytotoxicity by human NK cells. The peak binding of 2B1 to PMN was observed at a concentration of 10 μg/ml 2B1. However, 2B1 rapidly dissociated from PMN in vitro at 37°C in non-equilibrium conditions. This dissociation was not caused by CD16 shedding. When PMN were labeled with 125I-2B1 and incubated at 37°C and the supernatants examined by HPLC analysis, the Fab regions of dissociated 2B1 were not complexed with shed CD16 extracellular domain. While most of the binding of 2B1 to PMN was solely attributable to Fab-directed binding to FcγRIII, PMN-associated 2B1 also bound through Fcγ-domain/FcγRII interactions. 2B1 did not promote in vitro PMN cytotoxicity against c-erbB-2-expressing SK-OV-3 tumor cells. When PMN were coincubated with peripheral blood lymphocytes, SK-OV-3 tumor and 2B1, the concentration of 2B1 required for maximal tumor lysis was lowered. Although PMN may serve as a significant competitive binding pool of systemically administered 2B1 in vivo, the therapeutic potential of the targeted cytotoxicity properties of this bsmAb should not be compromised.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1434-601X
    Keywords: 23.20.Ck ; 27.20.+n
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report a search for γ rays emanating from Coulomb excitation of fast (30–46 MeV/u) radioactive projectiles8He,11,12,14Be interacting with a lead target. These are clearly identified by their Doppler shift. The 320 keV 1/2− → 1/2+ γ transition from11Be was observed with a cross-section of 191±26 mb which is noticeably less than expected from the known lifetime and in the perturbation limit of pure Coulomb excitation. In the other nuclei rather stringent upper limits of 0.01 to 0.2 Weisskopf units, are placed on the hypothetical transition to 1− states.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Urban ecosystems 2 (1998), S. 5-16 
    ISSN: 1573-1642
    Keywords: human dimensions ; forest management ; ecosystem management ; cognitive mapping ; Pacific Northwest
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Although much has been written on the human dimensions of forest management, there has been little empirical investigation of how forest stakeholders themselves conceptualize this domain. We used a conceptual content cognitive mapping (3CM) task along with a short survey to explore the perspectives of 23 forest stakeholders in the Pacific Northwest on the human factors relevant to appropriate forest management. Study participants were chosen from three groups: employees of the U.S. Forest Service at the Mount Baker-Snoqualmie Forest, employees of a large timber company, and area environmentalists. Three distinct human dimensions emerged: Traditional intangible benefits (aesthetic concerns, recreation and cultural resources), Values and expectations (considering multiple values, maintaining public expectations, considering social acceptability and maintaining public confidence in forestry), and Process issues indecision making (public involvement, communication across boundaries, collaboration and taking an interdisciplinary approach). In this article, we discuss these three dimensions, the differences found among the stakeholder groups in the importance they placed on each of these dimensions, and the benefits of the 3CM method in this context.
    Type of Medium: Electronic Resource
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