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Effects of quinazolinones on Balb/C mice embryonic livers. 2011

Lahijani Maryam Shams, and Dariush Minaei-Tehrani, and Hadis Gholipour, and Masumeh Nohehkhan
Developmental Biology, Animal Sciences, Faculty of Biological Sciences, Shahid-Beheshti University, G C, Tehran, Iran. mslahijani2006@gmail.com

Heterocyclic compounds such as quinazolinones have variety of biological and pharmacological properties (anticancer, antiinflammatory, antimicrobial, antimalaria, etc.). Effects of two new quinazolinones viz., 4(3H)-quinazolinone-2-propyl-2-phenylethyl (QPPE) and 4(3H)quinazolinone-2-ethyl-2-phenylethyl (QEPE) were investigated on Balb/C mice embryos livers-the major organ of metabolism and detoxification of drugs and toxins. Histological and pathological studies demonstrated QPPE and QEPE as producers of toxic metabolites after biotransformation, creating necrosis, fatty changes, increase in the number of band cells, hepatocytes' diameters and alkaline phosphatase, in addition to sinusoid dilation, hemorrhages and hyperemia. Transmission electron micrographs showed lipid droplets in hepatocytes' cytoplasm, necrosis, vacuolization, cytoplasm disintegration, disfigured and swollen mitochondria, irregular and abnormal nuclei, nuclei with heterochromatin, condensed chromatins, myelin figures and autophages in injured hepatocytes. In conclusion, QPPE and QEPE make toxic components after biotransformation injuring membranes and creating inflammatory reactions. They also disturb metabolism of lipids pathways and cause the appearances of lipid droplets in hepatocytes.

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
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D005260 Female Females
D000014 Abnormalities, Drug-Induced Congenital abnormalities caused by medicinal substances or drugs of abuse given to or taken by the mother, or to which she is inadvertently exposed during the manufacture of such substances. The concept excludes abnormalities resulting from exposure to non-medicinal chemicals in the environment. Drug-Induced Abnormalities,Abnormalities, Drug Induced,Abnormality, Drug-Induced,Drug Induced Abnormalities,Drug-Induced Abnormality
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
D001711 Biotransformation The chemical alteration of an exogenous substance by or in a biological system. The alteration may inactivate the compound or it may result in the production of an active metabolite of an inactive parent compound. The alterations may be divided into METABOLIC DETOXICATION, PHASE I and METABOLIC DETOXICATION, PHASE II.
D013723 Teratogens An agent that causes the production of physical defects in the developing embryo. Embryotoxins,Fetotoxins,Teratogen
D050356 Lipid Metabolism Physiological processes in biosynthesis (anabolism) and degradation (catabolism) of LIPIDS. Metabolism, Lipid

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