Influence of bis(maltolato)oxovanadium(IV) on activity of galactosyltransferase (GalT) and morphology of rat liver Golgi apparatus in control and streptozotocin diabetes. 1998

W Dabroś, and A M Kordowiak, and D Dziga, and R Gryboś
Department of Clinical and Experimental Pathomorphology, Jagiellonian University, Kraków, Poland.

The relation between bis(maltolato)oxovanadium(IV) (BMOV) influencing the biochemical activity of rat liver Golgi apparatus and the morphology of this organelle was studied in normal and streptozotocin-diabetic rat livers. Ultrastructural examinations revealed marked differences in the morphology of Golgi apparatus in three groups of animals. In the control rats treated only with 0.5% NaCl we did not find any biochemical and morphological changes. Marked changes were found in the rat liver after 1.8 mmol BMOV in 0.5% NaCl (as drinking solution) applied for 7 days, so-called "control" group for vanadium. In this group Golgi apparatus seemed shorter than in the diabetic animals. Finally, the same treatment of rats with previously induced SZ-diabetes, showed relatively small morphological alterations. The ultrastructural observation was compatible with the activity of galactosyltransferase (GalT), the Golgi marker enzyme. In diabetic rats treated with BMOV the activity of this enzyme was almost the same as in controls. Summing up dramatic alterations, previously found in diabetic-untreated rats [22], normalized after orally applied BMOV solution, even after a short time.

UI MeSH Term Description Entries
D007004 Hypoglycemic Agents Substances which lower blood glucose levels. Antidiabetic,Antidiabetic Agent,Antidiabetic Drug,Antidiabetics,Antihyperglycemic,Antihyperglycemic Agent,Hypoglycemic,Hypoglycemic Agent,Hypoglycemic Drug,Antidiabetic Agents,Antidiabetic Drugs,Antihyperglycemic Agents,Antihyperglycemics,Hypoglycemic Drugs,Hypoglycemic Effect,Hypoglycemic Effects,Hypoglycemics,Agent, Antidiabetic,Agent, Antihyperglycemic,Agent, Hypoglycemic,Agents, Antidiabetic,Agents, Antihyperglycemic,Agents, Hypoglycemic,Drug, Antidiabetic,Drug, Hypoglycemic,Drugs, Antidiabetic,Drugs, Hypoglycemic,Effect, Hypoglycemic,Effects, Hypoglycemic
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D011753 Pyrones Keto-pyrans.
D003921 Diabetes Mellitus, Experimental Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY. Alloxan Diabetes,Streptozocin Diabetes,Streptozotocin Diabetes,Experimental Diabetes Mellitus,Diabete, Streptozocin,Diabetes, Alloxan,Diabetes, Streptozocin,Diabetes, Streptozotocin,Streptozocin Diabete
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D005260 Female Females
D005700 Galactosyltransferases Enzymes that catalyze the transfer of galactose from a nucleoside diphosphate galactose to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-. Galactosyltransferase
D006056 Golgi Apparatus A stack of flattened vesicles that functions in posttranslational processing and sorting of proteins, receiving them from the rough ENDOPLASMIC RETICULUM and directing them to secretory vesicles, LYSOSOMES, or the CELL MEMBRANE. The movement of proteins takes place by transfer vesicles that bud off from the rough endoplasmic reticulum or Golgi apparatus and fuse with the Golgi, lysosomes or cell membrane. (From Glick, Glossary of Biochemistry and Molecular Biology, 1990) Golgi Complex,Apparatus, Golgi,Complex, Golgi
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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