Relationship between surface activity and toxicity to Chang liver cultures of tricyclic antidepressants. 1979

H Yasuhara, and C A Dujovne, and I Ueda

Chang liver cell cultures were exposed to the tricyclic antidepressants, chlorimipramine (CIM), nortriptyline (NT), amitriptyline (AT), imipramine (IM), and dosepin (DOX). Loss of enzymes into surrounding media and cytopathic changes were used to quantitate cytotoxicity. Time- and concentration-related cytotoxic effects were evident for all drugs. The order of cytotoxic potency was CIM greater than NT greater than AT greater than IM greater than DOX. All tricyclic antidepressants tested lowered the surface tension of the salt solution contained in the tissue culture media and the order of their surface activity was identical to that of their cytotoxicity. It is postulated that the cellular toxicity induced by tricyclic antidepressants in vitro is related to a function of their surface activity.

UI MeSH Term Description Entries
D007099 Imipramine The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group. Imidobenzyle,Imizin,4,4'-Methylenebis(3-hydroxy-2-naphthoic acid)-3-(10,11-dihydro-5H-dibenzo(b,f)azepin-5-yl)-N,N-dimethyl-1-propanamine (1:2),Imipramine Hydrochloride,Imipramine Monohydrochloride,Imipramine Pamoate,Janimine,Melipramine,Norchlorimipramine,Pryleugan,Tofranil
D007770 L-Lactate Dehydrogenase A tetrameric enzyme that, along with the coenzyme NAD+, catalyzes the interconversion of LACTATE and PYRUVATE. In vertebrates, genes for three different subunits (LDH-A, LDH-B and LDH-C) exist. Lactate Dehydrogenase,Dehydrogenase, L-Lactate,Dehydrogenase, Lactate,L Lactate Dehydrogenase
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
D009661 Nortriptyline A metabolite of AMITRIPTYLINE that is also used as an antidepressive agent. Nortriptyline is used in major depression, dysthymia, and atypical depressions. Desitriptyline,Desmethylamitriptylin,Allegron,Apo-Nortriptyline,Aventyl,Gen-Nortriptyline,Norfenazin,Nortrilen,Nortriptyline Hydrochloride,Novo-Nortriptyline,Nu-Nortriptyline,PMS-Nortriptyline,Pamelor,Paxtibi,ratio-Nortriptyline,Apo Nortriptyline,Gen Nortriptyline,Hydrochloride, Nortriptyline,Novo Nortriptyline,Nu Nortriptyline,PMS Nortriptyline,ratio Nortriptyline
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
D002997 Clomipramine A tricyclic antidepressant similar to IMIPRAMINE that selectively inhibits the uptake of serotonin in the brain. It is readily absorbed from the gastrointestinal tract and demethylated in the liver to form its primary active metabolite, desmethylclomipramine. Chlorimipramine,Anafranil,Chlomipramine,Clomipramine Hydrochloride,Clomipramine Maleate (1:1),Clomipramine Monohydrochloride,Hydiphen,Hydrochloride, Clomipramine,Monohydrochloride, Clomipramine
D004316 Doxepin A dibenzoxepin tricyclic compound. It displays a range of pharmacological actions including maintaining adrenergic innervation. Its mechanism of action is not fully understood, but it appears to block reuptake of monoaminergic neurotransmitters into presynaptic terminals. It also possesses anticholinergic activity and modulates antagonism of histamine H(1)- and H(2)-receptors. Apo-Doxepin,Aponal,Deptran,Desidox,Doneurin,Doxepia,Doxepin Hydrochloride,Doxepin Hydrochloride, Cis-Trans Isomer Mixture (approximately 1:5),Doxepin beta,Doxepin-RPh,Espadox,Mareen,Novo-Doxepin,Prudoxin,Quitaxon,Sinequan,Sinquan,Xepin,Zonalon,Apo Doxepin,ApoDoxepin,Doxepin RPh,Hydrochloride, Doxepin,Novo Doxepin
D005966 Glucuronidase Endo-beta-D-Glucuronidase,Endoglucuronidase,Exo-beta-D-Glucuronidase,beta-Glucuronidase,Endo beta D Glucuronidase,Exo beta D Glucuronidase,beta Glucuronidase
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000639 Amitriptyline Tricyclic antidepressant with anticholinergic and sedative properties. It appears to prevent the re-uptake of norepinephrine and serotonin at nerve terminals, thus potentiating the action of these neurotransmitters. Amitriptyline also appears to antagonize cholinergic and alpha-1 adrenergic responses to bioactive amines. Amineurin,Amitrip,Amitriptylin Beta,Amitriptylin Desitin,Amitriptylin RPh,Amitriptylin-Neuraxpharm,Amitriptyline Hydrochloride,Amitrol,Anapsique,Apo-Amitriptyline,Damilen,Domical,Elavil,Endep,Laroxyl,Lentizol,Novoprotect,Saroten,Sarotex,Syneudon,Triptafen,Tryptanol,Tryptine,Tryptizol,Amitriptylin Neuraxpharm,Apo Amitriptyline,Desitin, Amitriptylin,RPh, Amitriptylin

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