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  • 1980-1984  (3)
  • 1975-1979  (1)
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 285 (1980), S. 259-261 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Spleen cells from Fisher rats immunized with KKT-2 lymphoma cells were fused with the hypoxanthine, aminopterin and thymidine (HAT) sensitive myeloma NS-1 (ref. 4), and antibody-forming cell hybrids were grown and cloned by limiting dilution. The antibodies used in this study and their ...
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0738
    Keywords: Hormones ; Mitogen ; Mammary gland ; Collagen gel culture ; Estrogen ; Cell proliferation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The results obtained to date from studies dealing with the role of hormones, including estrogen, on growth of mammary epithelial cells inside the collagen gel are described. The collagen gel matrix culture system appears to be a suitable system to obtain in vivo-like effects of hormones on mammary cell in vitro. The results thus far indicate that prolactin along with progesterone or cortisol can stimulate mammary cell proliferation. Thus far, estrogen has not been found to be mitogenic in our in vitro system.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 7 (1983), S. 314-318 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le début de l'ischémie de la jambe peut Être brutal ou progressif. L'ischémie se manifeste à tous les âges et elle est due à des causes multiples. L'évolution clinique est extrÊmement variable. En pratique une fois sur huit seulement elle aboutit à la gangrène. De nombreux malades présentent une amélioration certaine grâce au traitement médical ou peuvent mener une vie acceptable quand la claudication intermittente n'est pas trop sévère. Sur 2000 malades qui ont été adressés à l'unité de chirurgie vasculaire, 30% seulement ont eu besoin d'une intervention chirurgicale. Le traitement médical conservateur suivi rigoureusement doit Être observé pendant 3 mois, sauf si la gangrène est menaÇante, cette période d'essai étant nécessaire pour apprécier la possibilité d'une amélioration spontanée et avant de recourir à l'aortographie. Sont envisagées dans l'article les modalités de traitement de l'ischémie caractérisée par une claudication intermittente.
    Abstract: Abstracto El comienzo de la isquemia de la pierna puede ser sÚbito o gradual, y puede ocurrir dentro de amplios límites de edades y debido a mÚltiples causas. La evolución clínica es extremadamente variable, y solo uno de cada 8 pacientes avanza hasta el estado de gangrena isquémica. Muchos pacientes tienen la capacidad para exhibir notoria mejoría, o para mantener una vida confortable con claudicación que no causa incapasidad severa. Sobre 2.000 pacientes referidos a una unidad vascular, apenas el 30% requirió intervención operatoria. Debe hacerse un ensayo con rigurosas medidas terapeÚticas conservadoras por un período por lo menos de 3 meses en todos los casos, excepto aquellos cuyas extremidades se encuentren severamente amenazadas, por cuanto éste es el lapso de tiempo necesario para juzgar la capacidad de mejoría espontánea antes de que el paciente sea sometido a la técnica invasiva de aortografía. Se sugiere un flujograma de decisiones de manejo para pacientes con claudicación intermitente.
    Notes: Abstract The onset of leg ischemia may be sudden or gradual, occurring over a wide age spectrum and as a result of multiple causes. The clinical outcome is extremely variable, and only about 1 patient in 8 will progress to the stage of ischemic gangrene. Many patients have the capacity to show marked clinical improvement, or to maintain a comfortable life with claudication that is not severely disabling. Of over 2,000 patients referred to a vascular unit, only about 30% required operative intervention. Rigorous conservative measures should be given a trial for at least 3 months in all patients except those whose limbs are severely threatened, since that period of time is necessary to judge the capacity for spontaneous improvement, before the patient is subjected to the invasive technique of aortography. A flow chart of management decisions is suggested for patients with intermittent claudication.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, N.Y. : Wiley-Blackwell
    Journal of Supramolecular Structure 4 (1976), S. 497-506 
    ISSN: 0091-7419
    Keywords: Life Sciences ; Molecular Cell Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: A method is described which will rapidly measure the binding of avian tumor viruses (ATV) to plasma membrane receptors. With this procedure it may be shown that Rous sarcoma virus pseudotypes bind to protease-labile, heat-stable structures on the surface of chicken embryo fibroblast (CEF) plasma membranes. The binding sites for ATV subgroups A and B appear distinct, and membranes from genetically resistant CEF bind as well those of sensitive CEF.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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