Authors:
Miroslav Radenković University of Belgrade Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine PO Box 38 11129 Belgrade Serbia

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D. Djurić University of Belgrade Institute of Medical Physiology “Richard Burian”, Faculty of Medicine Belgrade Serbia

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R. Janković University of Belgrade Institute of Pathology, Faculty of Medicine Belgrade Serbia

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M. Prostran University of Belgrade Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine PO Box 38 11129 Belgrade Serbia

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The present study was undertaken in order to examine transduction mechanism involved in the single application of 100 μM homocysteine (Hcy) on isolated rat femoral artery (RFA) rings equilibrated on the basal tone; to establish if a single application of 100 μM Hcy alters contractile effect of phenylephrine (Phe), or oppositely the relaxant effect of acetylcholine (ACh) or bradykinin (BK) after 60-min-long incubation of 100 μM Hcy; and finally to identify morphological changes on the vascular wall after a 24-h-long incubation of 100 μM Hcy. Hcy produced contractile response of intact RFA, which was increased after endothelial denudation, while decreased by urapidil (an α1 receptor blocker), nifedipine (a voltage-gated L-type Ca++ channel blocker) or indomethacin (a cyclooxygenase inhibitor). The initial RFA contraction evoked by Phe was further increased by the single addition of Hcy, which was not the case when ouabain (an inhibitor of Na+/K+-ATPase) was preincubated. After 60-min-long incubation of Hcy relaxant actions of ACh and BK were unaltered, equieffective and equipotent. A 24-h-long incubation of RFA rings with Hcy produced an impairment of vascular endothelium, expressed as a minor or more pronounced interruption of endothelial cells.

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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)
    1. G. Navar (New Orleans)
    1. H. Nishino (Nagoya)
    1. O. Petersen (Liverpool)
    1. U. Pohl (Münich)
    1. R. S. Reneman (Maastricht)
    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)

Editorial Office:
Akadémiai Kiadó Zrt.
Prielle Kornélia u. 21–35, H-1117 Budapest, Hungary

Editorial Correspondence:
Acta Physiologica Hungarica
Semmelweis University, Faculty of Medicine Institute of Pathophysiology
Nagyvárad tér 4, H-1089 Budapest, Hungary
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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