(n.) A European scallop (Pecten opercularis), used as food.
Example Sentences:
(1) Further evaluation of the range of activity of several of these compounds, both in terms of the dose inducing a half-maximal response and the LHRH-releasing effect at that particular dose, indicated that AMPA greater than HCA greater than QUIN greater than PYR, suggesting that non-NMDA receptors are primarily involved in EAA-induced LHRH release at the level of the AN-ME.
(2) 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.
(3) Intraplatelet free calcium (Ca2i+) was measured in 25 patients, using the fluorescent indicator Quin-2.
(4) By examining in parallel the digitonin-induced release of exogenous fluorescent or luminescent indicators, a granule location was demonstrated for the pH indicator 9-aminoacridine, while the calcium probes aequorin and Quin 2 were released coincident with release of the cytosolic enzyme lactate dehydrogenase.
(5) Fluorescent indicator Quin-2 was used for the determination of free calcium (Ca2+in) in synaptosomes incubated in the normal medium and media where sodium is replaced by potassium or choline.
(6) The same neuronal populations were also selectively killed by N-methyl-D-aspartate (NMDA) but the toxic potency of NMDA was 40-fold higher than that of QUIN.
(7) Phorbol 12-myristate, 13-acetate, the calcium ionophore A23187 in the presence or absence of EGTA, and the fluorescent calcium chelator quin-2 also cause an increase in cytoskeletal actin.
(8) Amylase secretion, but not the Quin 2 fluorescence response, was attenuated at higher secretagogue concentrations.
(9) Ca2+ transport by DECYL-2E (I, R = n-decyl) - monitored by measurements of the fluorescence of an intracellular dye, quin-2 - occurred at a rate comparable to that produced by electroneutral Ca2+ ionophores ionomycin and Br-A23187.
(10) [13C6]QUIN was detected in the incubation medium of both unstimulated and stimulated cultures.
(11) Adrenaline and collagen had no effect in promoting intracellular Ca2+ increase as measured with Quin-2 and little effect when measured with Fura-2.
(12) Under these conditions, phospholipase A2 activity, as detected by the release of [14C]arachidonate and of its metabolites, or by the hydrolysis of [14C]phosphatidylcholine, was severely impaired in quin 2-loaded platelets upon removal of external Ca2+.
(13) We have used intracellular Quin 2, and extracellular Ca2+ without the use of EGTA or ionophores to manipulate the levels of intracellular Ca2+.
(14) Since the cytosolic calcium concentration may mediate the effects of extracellular calcium on PTH release, we have employed the calcium-sensitive intracellular dye QUIN-2 to examine the relationship between extracellular calcium, cytosolic calcium, and PTH secretion in adult, neonatal, and cultured bovine as well as pathological human parathyroid cells.
(15) We conclude that sustained moderate increases in CSF QUIN occur in viremic simian retrovirus type-D macaques.
(16) Br-A23187 is shown to saturate Ca2+ sites in quin-2-loaded rat thymic lymphocytes in a manner essentially identical to ionomycin.
(17) Gill Quine, senior solicitor, says: "Our campaigning as a team has helped to keep morale up, but in the next few days we lose three valuable staff members whose qualifications, experience and commitment will be a great loss to the residents of Rochdale.
(18) It was observed that the D-2 receptor agonist quinpirole (QUIN) produced biphasic effects on cell firing rate.
(19) Using simultaneous analyses of cell function and Quin 2 fluorescence, we find that at least two aspects of cellular responsiveness (degranulation and O2- production) depend upon the level of available Ca2+.
(20) A comparison between the fluorescent indicator quin 2 and the bioluminescent indicator aequorin was performed in the same smooth muscle cell type.
Quinoline
Definition:
(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.