(n.) A nitrogenous base, C9H7N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type.
Example Sentences:
(1) The metabolism of [1,3-14C]benzo[f]quinoline (BfQ) by liver microsomes from control, 3-methylcholanthrene (3-MC)-pretreated and phenobarbital (PB)-pretreated rats has been investigated in order to gain insights into the effect of mixed function oxidase inducers on the types and levels of specific metabolites as formed in vitro.
(2) The quinolinate synthetase B protein exists in all nadA and nadC mutants examined.
(3) Unilateral infusions of quinolinic acid (QUIN) into the rat striatum led to an increase in cholecystokinin octapeptide sulfate-like immunoreactivity (CCK8S-LI) in the striatum and substantia nigra 4 days later.
(4) A histochemical method for staining CNS zinc by the stoichiometric formation of zinc: quinoline fluorescent chelates is described.
(5) In contrast to other excitotoxins, such as kainic acid, quinolinic acid (QA) may spare a specific population of striatal neurons that is also spared in Huntington's disease (HD).
(6) Previous studies have shown that in lipopolysaccharide (LPS)-stimulated human monocytes, interleukin 1 (IL-1) production is altered by quinoline derivative antibiotics (quinolones), in a way which depends both on the dose and on the agents used.
(7) We conclude that quinolinic acid causes both reversible and long-lasting gliosis when injected into the rat striatum.
(8) The enzymic and non-enzymic formation of protein-arylating intermediates from amodiaquine (AQ,7-chloro-4-(3'-diethylamino-4'-hydroxyanilino) quinoline), an anti-malarial associated with agranulocytosis and liver damage in man, was studied in vitro.
(9) The ability of quinolinic acid to produce neurotoxicity was greater in the striatum than in other parts of the brain.
(10) The behavioral effects of 2-p-chlorophenylpyrazolo[4,3-c]quinolin-3(5H)-one (CGS 9896) were compared with those of lorazepam and zopiclone in squirrel monkeys.
(11) Synthetic heterocyclic quinones (107 samples) consisting of o- and p-quinoline quinones, o-isoquinoline quinones and p-quinoxaline quinones as well as o- and p-naphthoquinones (3 samples) were tested for their inhibitory activities against avian myeloblastosis virus reverse transcriptase (AMV-RT) and cytotoxic activities against mouse lymphoblastoma L5178Y cells.
(12) Ibotenate lesioned rats, despite having larger lesions than the quinolinate, showed no deficits in eating or drinking in the home cage, or reaching or grasping disabilities in the staircase test.
(13) Between the other toxins (kainate, AMPA, ibotenate, quisqualate, NMDA and the high dose of quinolinate) there were no statistically significant differences.
(14) possess anticonvulsant action against kynurenine and not against quinolinic acid.
(15) The quinoline nitrogen atom of quipazine also contributes to affinity and its replacement by carbon reduces affinity by 20-fold.
(16) The localization and distribution of quinolinic acid phosphoribosyltransferase, the degradative enzyme of the endogenous excitotoxin quinolinic acid, were studied in the post mortem human neostriatum by immunohistochemistry.
(17) The quinoline-containing antimalarial drugs chloroquine, quinine and mefloquine exert an irreversible inhibitory effect on erythrocytic stages of Plasmodium falciparum grown in culture.
(18) Bilateral intrastriatal injections of quinolinic acid (QA) (180 nmoles) induced weight loss and neurologic and behavioral deficits including convulsions, decreased catalepsy response to haloperidol, increased nocturnal locomotor activity, and abnormal feeding behavior in adult male Sprague-Dawley rats.
(19) Kainic acid and quinolinic acid were also effective in increasing the AAT activity.
(20) Diabetogenic and acidotropic effects of dithizone, 8-(p-toluenesulfonylamino)-quinoline and 8-(benzenesulfonylamino)-quinoline were studied in experiments on cats, rabbits, golden hamsters and mice.
Thalline
Definition:
(a.) Consisting of a thallus.
(n.) An artificial alkaloid of the quinoline series, obtained as a white crystalline substance, C10H13NO, whose salts are valuable as antipyretics; -- so called from the green color produced in its solution by certain oxidizing agents.