(n.) The Altar; a southern constellation, south of the tail of the Scorpion.
(n.) A name of the great blue and yellow macaw (Ara ararauna), native of South America.
Example Sentences:
(1) The antitumor effect of C18PCA and Ara-C was investigated against the P388 ascites tumor in BDF1 mice.
(2) However, the walker 256 intramuscular tumor did not respond to ARA-C capsules implanted, and the animals died at the same rate as the controls, with large ulcerated tumor masses and some metastasis.
(3) 5 heavily pretreated patients with chronic lymphocytic leukaemia or non-Hodgkin lymphoma resistant to alkylating agents were treated with low-dose cytosine arabinoside (ARA-C).
(4) Rat liver microsomes demethylated ara-DMAP much more rapidly than human liver microsomes did.
(5) Enhanced ara-CTP formation was observed in cells lacking cytidine deaminase (L1 210 and HL60), indicating that 3-deazauridine inhibition of deoxycytidylate deaminase may be important in this drug interaction.
(6) This study demonstrates the mutagenic properties of F-ara-A and ara-A and provides evidence for mechanisms by which the arabinosyl nucleosides induce mutation.
(7) Patient cells had low rates for ara-C transport as compared with human and murine experimental cells and correspondingly low binding capacities for the nucleoside transport inhibitor, nitrobenzylmercaptopurine riboside (NBMPR).
(8) The inhibitions by ara-GTP and 9-beta-D-arabinofuranosyladenine 5'-triphosphate were due to competition or partial competition 5'-triphosphate were due to competition or partial competition with deoxynucleoside triphosphate with the same base.
(9) The incorporation of F-ara-A monophosphate into mRNA resulted in premature termination of the RNA transcript and impaired its functioning as a template for protein synthesis.
(10) Pharmacological studies of 5'-esters of 1 beta-D-arabinofuranosylcytosine (ara-C) were performed in three species (mouse, pig, and man).
(11) These results provide some support for the view that cell kill may not be the only basis for the chemotherapeutic effectiveness of ara-C.
(12) Accelerating test at a constant temperature indicates that liposome-entrapped Ara-A has certain chemical stability.
(13) Although statistically significant, the effect of DP on ara-CTP retention in AML blasts was much less pronounced than that previously observed in L5178Y leukemia.
(14) He was treated with the combination chemotherapy of BACOD with high dose ara-C or methotrexate followed by 4 doses of autologous LAK cell infusion resulting in no significant response.
(15) Regardless whether cyclo-C or ara-C is injected, the plasma decay curve of the resultant ara-C is biphasic, with calculated half-lives of 40 min and 2-2.5 hr.
(16) Serial measurements of DNA synthesis and net intracellular ara-C metabolism demonstrated marked increases in both determinants in day 8 residual tumor when compared with the pretreatment cells for newly diagnosed adults achieving complete remission but not for TST-refractory patients.
(17) Determination of the intracellular content of the active metabolite of ara-C, ara-CTP, excluded more prolonged retention of the drug as the basis for potentiation of cytotoxicity.
(18) With the aim of improving the treatment of AML patients the activities of selected nucleoside metabolizing enzymes of possible implication for the initial metabolism of Ara-C have been studied in leukemic and normal cells.
(19) Ara-C. We conclude that prophylactic CNS therapy may cause cognitive dysfunctions.
(20) This was possible because the Ara test, for volatile compounds (such as vinyl bromide), did not require the use of special vaporization techniques, which are difficult to evaluate quantitatively for mutagenic activity.
Arc
Definition:
(n.) A portion of a curved line; as, the arc of a circle or of an ellipse.
(n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
(n.) An arch.
(n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.
Example Sentences:
(1) The scleral arc length is slightly longer than the chord length (caliper setting).
(2) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
(3) Thus, the decreased hyperemic response after arrest suggests a reduced energetic debt with CSC compared with ARC and may indicate superior myocardial protection with CSC.
(4) By contrast, patients with urological symptoms had a significantly increased prevalence of spina bifida occulta at S1 and S2 and a higher level of opening of posterior sacral arcs.
(5) The peptide-TR-FIA is specific, as assessed by testing HIV-1 positive sera which included samples from AIDS, ARC patients and HIV-positive drug users.
(6) In a multivariate regression model noncompliance was significantly associated with the absence of AIDS or ARC (p less than 0.001), homelessness (p less than 0.005), and alcoholism (p less than 0.05).
(7) This protein did show an immunoglobulin arc on immunoelectrophoresis against abovementioned antibody and against rabbit anti mouse Ig serum.
(8) Looping the tail of a "g", flicking the line up from the end of an "m", arcing it over an "a" or an "o".
(9) In contrast, the relative percentage of polyunsaturated fatty acids was 85% greater than normal (P less than 0.001) in ARC and 100% greater than normal (P less than 0.001) in AIDS-I patients.
(10) Average range of motion was from 17.1 degrees to 44.3 degrees, with an arc of 27.2 degrees.
(11) A subsequent S3 encountered further nonuniformly shortened refractoriness (normal areas had shortened refractoriness greater than ischemic areas) and the arc of block was lengthened.
(12) The technique consists of 3 pairs of non-coplanar arcs using a 4 MV accelerator.
(13) Experiments following depletion of norepinephrine suggest that the central part of the baroreceptor reflex arc does not contain adrenergic neurons.
(14) High concentrations of SST inhibited virus replication in 80% of LC from ARC patients, but were completely ineffective in LC from AIDS patients.
(15) In our series of 46 patients with Ad35 isolates, 36 had AIDS or AIDS-related complex (ARC), seven patients were immunocompromised because of other diseases, and three patients were "normal."
(16) The possibility of contaminating the breathing air zone with hazardous substances in manual and semi-automated welding increases with the intensity of their formation in the arc zone.
(17) Optical differences between a mercury arc lamp and a laser-illuminated flow cytometer are compared.
(18) In this report, we have compared homogeneous yeast (Saccharomyces cerevisiae) pyruvate kinase to enzyme from cell-free extracts in several different ways: 1) isoelectric focusing of cell-free extracts indicates one peak of pyruvate kinase activity whose isoelectric point is the same as that of the pure enzyme; 2) antibody prepared to the pure enzyme produces a single, fused precipitin line against enzyme in the cell-free extract and pure enzyme; 3) immunoelectrophoresis of cell-free extract produces one precipitin arc which has the same mobility as that of the pure enzyme; and 4) immunoprecipitation of the pure enzyme from cell-free extract with subsequent solubilization in 1% sodium dodecyl sulfate and electrophoresis on sodium dodecyl sulfate-polyacrylamide gels produces a single protein band attributable to pyruvate kinase which co-migrates with the purified enzyme.
(19) There were no significant differences in ARn concentrations in eight other nuclei that were examined for significant sex differences in ARc levels observed under these experimental conditions.
(20) Cells from subjects with ARC had a selective antigen recognition defect independent of the number of CD4+ lymphocytes.