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  • 1980-1984  (2)
  • 1940-1944
  • Benign prostatic hyperplasia  (1)
  • Genetic variation  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Interaction of prolactin and testosterone in the human prostate (1981)
    Springer
    Urological research 9 (1981), S. 79-88 
    Details
    ISSN: 1434-0879
    Keywords: Prolactin ; Prostate cancer ; Benign prostatic hyperplasia ; Androgen metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three experiments were performed to determine whether human prolactin (hPr) affects prostatic uptake and metabolism of testosterone (T). 1) Patients with prostatic cancer were infused twice with radio-labelled androgens, the first time with basal hPr, the second time with oral thyrotrophin-releasing hormone (TRH)-elevated hPr. In 5/7, significant increases in metabolic clearance of dihydrotestosterone (DHT) and in conversion of T to DHT accompanied increased hPr. 2) The incorporation of labelled T into minced benign prostatic hypertrophy (BPH) tissue from subjects with high (40 ng/ml) hPr was measured and was found to be more than twice the uptake into tissue from those with low hPr (6.5±1.9 ng/ml). 3) Uptake and metabolism in vivo of a bolus of 3H-T by BPH and carcinomatous prostates was measured and was far greater in subjects whose hPr was elevated by chlorpromazine than in untreated controls. It is concluded that prolactin increases prostatic uptake and metabolism of T. It is suggested that the best management of prostatic cancer should include depletion of prolactin as well as androgen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00256681
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Genetic variation in the subunits of globulin-1 storage protein of French bean (1981)
    Springer
    Theoretical and applied genetics 59 (1981), S. 83-88 
    Details
    ISSN: 1432-2242
    Keywords: Phaseolus vulgaris ; Storage proteins ; Electrophoresis ; Genetic variation ; Banding types
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Charge and molecular weight heterogeneity of globulin-1 (G1) polypeptides of the bean, Phaseolus vulgaris L., were revealed by sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). Different bean cultivars were classified into three groups: ‘Tendergreen’, ‘Sanilac’, and ‘Contender’ on the basis of their protein subunit composition. Nine distinct major bands: α51,α49, α48.5,β48T, β48S, β47, γ45.5, γ45S, and γ45C, and two minor bands: γ46T and γ46S were found to account for the three profiles seen on one-dimensional SDS-PAGE. Two-dimensional analysis revealed these eleven protein bands to be composed of a minimum of fourteen distinct protein subunits. The ‘Tendergreen’ and ‘Sanilac’ types differ in their G1 polypeptide composition. The protein patterns of the ‘Contender’ types are intermediate, containing many protein subunits found in the patterns of the ‘Tendergreen’ and ‘Sanilac’ types suggesting a genetic and evolutionary relationship.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00285895
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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