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  • 1
    Electronic Resource
    Electronic Resource
    Increased blood pressure responses to central angiotensin II in spontaneously hypertensive rats (1978)
    Springer
    Journal of molecular medicine 56 (1978), S. 47-49 
    Details
    ISSN: 1432-1440
    Keywords: Blutdruck ; Angiotensin II ; Propranolol ; Spontan hypertensive Ratten ; Gehirn ; Blood pressure ; Angiotensin II ; Propranolol ; Spontaneously hypertensive rats ; Brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The blood pressure responses following infusions of angiotensin II (ANG II) into the brain ventricles (i.v.t.) have been tested in spontaneously hypertensive (SH) rats and in normotensive Wistar Kyoto (WK) rats. The mean arterial blood pressure increases were significantly higher in SH rats than in WK rats. Propranolol treatment reduced blood pressure increases to i.v.t. ANG II in WK, but not in SH rats. The higher sensitivity to i.v.t. ANG II in SH rats supports a role of central ANG II in the maintenance of high blood pressure in SH rats.
    Notes: Zusammenfassung Angiotensin II (ANG II) wurde spontan hypertensiven (SH) Ratten und normotensiven Wistar Kyoto (WK) Ratten in den lateralen Hirnventrikel (i.v.t.) infundiert. Der mittlere arterielle Blutdruck stieg bei den SH Ratten signifikant höher an als bei den normotensiven WK Ratten. Propranolol-Vorbehandlung reduzierte die Blutdruckanstiege nach i.v.t. ANG II Infusionen bei WK Ratten, nicht aber bei SH Ratten. Die höhere ANG II Empfindlichkeit der SH Raten bestätigt frühere Ergebnisse, die darauf hinweisen, daß zentrales ANG III an der Aufrechterhaltung des hohen Blutdruckes von SH Ratten beteiligt sein kann.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01477452
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  • 2
    Electronic Resource
    Electronic Resource
    Development of a simulation based land evaluation system using crop modelling, expert systems and risk analysis (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 7 (1991), S. 0 
    Details
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Current methods of agricultural land evaluation in Queensland and other parts of Australia have been criticized for their inflexibility and lack of attention to costs (both private and social) associated with particular land uses. These deficiencies can limit the usefulness of land evaluation procedures in defining land capability and suitability for farm and regional land use planning. This paper outlines a new method based on soil potential ratings, that incorporates biophysical crop simulation modelling, expert systems and risk analysis. The technique is able to integrate biophysical and economic data in a measure which can be readily computed, updated and communicated to land managers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-2743.1991.tb00881.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    ALTERATIONS IN CEREBROSPINAL FLUID SODIUM AND OSMOLALITY IN RATS DURING ONE-KIDNEY, ONE-WRAP RENAL HYPERTENSION (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 11 (1984), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. Measurements of plasma and cerebrospinal fluid (CSF) sodium and osmolality were made throughout the course of one-kidney, one-wrap Grollman renal hypertension.2. Although the plasma sodium and osmolality did not rise after 28 days, CSF sodium and osmolality was increased significantly at 3 days postwrap.3. As a result, the CSF to plasma ratio for both sodium and osmolality was significantly elevated during the initial postwrap period.4. These observations suggest that an increase in CSF sodium may provide an initiating stimulus for an elevated arterial pressure in one-kidney, one-wrap renal hypertension.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1984.tb00865.x
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  • 4
    Electronic Resource
    Electronic Resource
    Fetal Noradrenergic Cell Suspensions Transplanted into Amine-depleted Nuclei of Adult Rats (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 495 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb23731.x
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  • 5
    Electronic Resource
    Electronic Resource
    Regulation of sodium and body fluid homeostasis during development: Implications for the pathogenesis of hypertension (1992)
    Springer
    Cellular and molecular life sciences 48 (1992), S. 345-351 
    Details
    ISSN: 1420-9071
    Keywords: Renin-angiotensin ; development ; hypertension ; SHR
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The spontaneously hypertensive rat (SHR) is an important animal model of human essential hypertension. During the first month of life, increased retention of sodium is present in the SHR which appears to be mediated by the renin-angiotensin system. The present review will discuss the role that increased activity of the renin-angiotensin system plays in sodium/body fluid regulation during early development. It is hypothesized that disordered regulation of sodium/body fluid homeostasis during this stage leads to pathological cardiovascular regulation in adulthood. Through an understanding of the relationship between sodium/body fluid balance in the young and cardiovascular function in the adult insights may be gained into both the pathological state of hypertension and the critical role played by early development in shaping homeostatic mechanisms in adulthood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01923428
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    Paper (German National Licenses)
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