Authors:
F. Burdan Experimental Teratology Unit of the Department of Human Anatomy, Medical University of Lublin Lublin, Poland

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Barbara Madej Department of Human Anatomy 8 Jaczewskiego Str, PL-20950 Lublin, Poland

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Elzbieta Radzikowska Department of Human Anatomy, Medical University of Lublin Lublin, Poland

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J Dudka Department of Toxicology, Medical University of Lublin Lublin, Poland

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Agnieszka Korobowicz Experimental Teratology Unit of the Human Anatomy Department 8 Jaczewskiego Str, PL-20950 Lublin, Poland

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M Pasternak Department of Human Anatomy, Medical University of Lublin Lublin, Poland

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R Maciejewski Department of Human Anatomy, Medical University of Lublin PL-20074 Lublin, 1 Spokojna Str., Poland

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Cathepsins are lysosomal enzymes that are used as sensitive markers in various toxicological investigations. The purpose of this study was to evaluate and compare the influence of cimetidine and famotidine on the cerebral cortex, particularly on the activity of cortical cathepsin B, D and L in the frontal lobe of rat brain. The drugs were administered intraperitoneally, twice a day, for six weeks to male Wistar rats in two doses. The initial dose was 2.85 mg/kg for cimetidine and 0.285 mg/kg for famotidine. The second dose was 10 times higher. Control animals were injected with 0.9% NaCl. Half of the animals from each of the drug-treated and control groups were sacrificed on the 42nd day of the experiment. The remaining animals were raised for another 6 weeks without any xenobiotics, and sacrificed on the 84th day. The frontal lobe of the right cerebral hemisphere was taken for biochemical investigation. The activities of free and bound fractions of cathepsin B, D and L were evaluated spectrophotometrically in cortical homogenates. The activity of bound fraction of cathepsin D and L decreased significantly in animals exposed to the higher dose of cimetidine and sacrificed on the 42nd day. Also significant elevation of the free fraction of cathepsin L was noted in the same group of rats. Cathepsin activities were normalized during the next six weeks. No behavioural changes were noted among the observed animals. Unlike cimetidine, famotidine did not change profiles of the cerebral cathepsins.

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Senior editors

Editor(s)-in-Chief: Rosivall, László

Honorary Editor(s)-in-Chief): Monos, Emil

Managing Editor(s): Bartha, Jenő; Berhidi, Anna

Co-editor(s): Koller, Ákos; Lénárd, László; Szénási, Gábor

Assistant Editor(s): G. Dörnyei (Budapest), Zs. Miklós (Budapest), Gy. Nádasy (Budapest)

Hungarian Editorial Board

    1. Benedek, György (Szeged)
    1. Benyó, Zoltán (Budapest)
    1. Boros, Mihály (Szeged)
    1. Chernoch, László (Debrecen)
    1. Détári, László (Budapest)
    1. Hamar, János (Budapest)
    1. Hantos, Zoltán (Szeged)
    1. Hunyady, László (Budapest)
    1. Imre, Sándor (Debrecen)
    1. Jancsó, Gábor (Szeged)
    1. Karádi, Zoltán (Pécs)
    1. Kovács, László (Debrecen)
    1. Palkovits, Miklós (Budapest)
    1. Papp, Gyula (Szeged)
    1. Pavlik, Gábor (Budapest)
    1. Spät, András (Budapest)
    1. Szabó, Gyula (Szeged)
    1. Szelényi, Zoltán (Pécs)
    1. Szolcsányi, János (Pécs)
    1. Szollár, Lajos (Budapest)
    1. Szücs, Géza (Debrecen)
    1. Telegdy, Gyula (Szeged)
    1. Toldi, József (Szeged)
    1. Tósaki, Árpád (Debrecen)

International Editorial Board

    1. R. Bauer (Jena)
    1. W. Benjelloun (Rabat)
    1. A. W. Cowley Jr. (Milwaukee)
    1. D. Djuric (Belgrade)
    1. C. Fry (London)
    1. S. Greenwald (London)
    1. O. Hänninen (Kuopio)
    1. H. G. Hinghofer-Szalkay (Graz)
    1. Th. Kenner (Graz)
    1. Gy. Kunos (Richmond)
    1. M. Mahmoudian (Tehran)
    1. T. Mano (Seki, Gifu)
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    1. A. Romanovsky (Phoenix)
    1. G. M. Rubanyi (Richmond)
    1. T. Sakata (Oita)
    1. A. Siddiqui (Karachi)
    1. Cs. Szabo (Beverly)
    1. E. Vicaut (Paris)
    1. N. Westerhof (Amsterdam)
    1. L. F. Zhang (Xi'an)

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Acta Physiologica Hungarica
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Phone/Fax: +36-1-2100-100
E-mail: aph@semmelweis-univ.hu

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Acta Physiologica Hungarica
Language English
Size  
Year of
Foundation
1950
Publication
Programme
changed title
Volumes
per Year
 
Issues
per Year
 
Founder Magyar Tudományos Akadémia
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0231-424X (Print)
ISSN 1588-2683 (Online)

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