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

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K. Burski Department of Human Anatomy, Medical University of Lublin Lublin, Polan

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

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The aim of this study was to establish if the changes in the ultrastructure of the exocrine part of the pancreas are correlated with changes in serum glucose, cholesterol and lipoprotein fractions during the progression of diabetes in rabbits. Diabetes mellitus was induced in male New Zealand rabbits by a single injection of alloxan into the auricular vein. On the day 7th the glucose level in the whole blood was measured and this day was designated as the first day of diabetes. Rabbits were divided into 5 groups: untreated control, 21-day diabetes, 42-day diabetes, 90-day diabetes and 180-day diabetes. The cholesterol, HDL (high-density lipoprotein) and LDL (low-density lipoprotein) levels were examined in the serum. The total pancreatic lipase activity was measured spectrophotometrically in the pancreatic homogenate. Histological specimens were examined under an electron microscopy. The glucose level increased significantly in all of the alloxan exposed animals. The significant elevation of cholesterol level was observed on day 21 and 180. The HDL level was increased (P<0.05) only on the day 21st. The LDL level and the total activity of pancreatic lysosomal lipase increased significantly on day 21, 42 and 90. Further dilation of granular endoplasmic reticular ducts and decrease in the number of zymogen granules were observed amongst exocrine cells. Fragmented mitochondrial and translucent matrix were also seen. Intensification of the pancreatic fibrosis was found on day 90. Microvascular changes were reported in exocrine cells after 180 days. Their nuclei were smaller with large bulges on the nuclear membrane, and the number of heterogeneous electron granules of zymogen further declined. We concluded that the intensification of ultrastructural changes of the exocrine part of the pancreas correlated with the changes of the pancreatic lipase activity, and glucose and lipoprotein levels.

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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)

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    1. N. Westerhof (Amsterdam)
    1. L. F. Zhang (Xi'an)

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Acta Physiologica Hungarica
Language English
Year of
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Founder Magyar Tudományos Akadémia
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Chief Executive Officer, Akadémiai Kiadó
ISSN 0231-424X (Print)
ISSN 1588-2683 (Online)

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