Ultrastructural changes in rat hepatocytes in acute intoxication with 2,4-dichlorophenoxyacetic acid (2,4-D). 1998

M Sulik, and W Kisielewski, and B Szynaka, and A Kemona, and M Sulkowska, and A Sulik, and M Baltaziak
Department of Pathological Anatomy, Medical Academy of BiaƂystok.

The hepatotoxic effect of 2,4-dichlorophenoxyacetic acid (2,4-D) was investigated. Ultrastructural changes were evaluated in transmission electron microscope. The experiment used 60 male Wistar rats divided into two groups: I--control-18 animals and II--42 animals which received chemically pure 2,4-D acid by gastric gavage in a dose of 200 mg/kg b.w. The animals were sacrificed after 12, 24, 48 hours and 4, 10 and 30 days of the experiment. The results obtained indicate that the administration of 2,4-D acid to rats in a dose inducing acute intoxication leads to ultrastructural changes in the liver, which suggest nonspecific reversible adaptative-type damage to parenchymal cells. The changes observed indicate disorders in energetic processes in hepatocytes and are morphological exponents of detoxicative processes there.

UI MeSH Term Description Entries
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
D008297 Male Males
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D006540 Herbicides Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE. Algaecide,Algicide,Herbicide,Algaecides,Algicides
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute
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
D015084 2,4-Dichlorophenoxyacetic Acid An herbicide with irritant effects on the eye and the gastrointestinal system. 2,4-D,2,4-Dichlorophenoxyacetic Acid, Ammonium Salt,2,4-Dichlorophenoxyacetic Acid, Lithium Salt,2,4-Dichlorophenoxyacetic Acid, Potassium Salt,2,4-Dichlorophenoxyacetic Acid, Sodium Salt,Monosan,2,4 Dichlorophenoxyacetic Acid

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