(n.) A pointed or wedge-shaped instrument of metal, as a steel wedge used in mining, etc.
(n.) A sharp-pointed rod; a goad.
(n.) A spike on a gauntlet; a gadling.
(n.) A wedge-shaped billet of iron or steel.
(n.) A rod or stick, as a fishing rod, a measuring rod, or a rod used to drive cattle with.
(n.) To walk about; to rove or go about, without purpose; hence, to run wild; to be uncontrolled.
Example Sentences:
(1) N-Acetyl-beta-D-glucosaminidase (GAD) activities did not change significantly duringlate fetal, neonatal or young adult stages but increased significantly with advancing age.
(2) A more specific differentiation, as indicated by the sharp increase in GAD levels which was concurrent with an increase in interneuronal contacts, lagged behind the initial growth.
(3) GAD activity appeared in mutant spores after germination and increased to levels comparable to parent spores after 9 min of germination.
(4) In situ hybridization in normal visual cortex revealed a complex sublaminar organization of GAD-expressing cells within layers IVC and VI and a distribution of CaM II kinase alpha-expressing cells that was greatest in layers II, III, IVB, and VI.
(5) Neurogenesis of GABAergic neurons in the rat area dentata was studied combining [3H]thymidine autoradiography with immunostaining for glutamate decarboxylase (GAD), the gamma-aminobutyric acid (GABA) synthesizing enzyme.
(6) The presence of glutamic acid decarboxylase (GAD) and gamma-aminobutyric acid (GABA) was investigated in neuroretina sections from hatching quail embryos by immunocytochemistry.
(7) The hippocampal cell counts showed an increase in GAD-immunoreactive somata visualized on the fourth postischemic day.
(8) The postnatal maturation of the GABAergic innervation of the rat inferior olive was studied with an antiserum to glutamic acid decarboxylase (GAD), the GABA-synthesizing enzyme.
(9) In contrast, only modest alterations in GABA-immunoreactivity and glutamic acid decarboxylase (GAD) activity were observed in the same region.
(10) Approximately 25% of the neurons in the IC in SD rat are GAD-positive, while about 35% of the neurons in the GEPR are GAD-positive.
(11) The oxidation reaction ends in a mixture composed largely of oxidized GAD species.
(12) Although their numbers are greatest in the polymorph region of the fascia dentata (FD) and in the principal cell layers stratum pyramidale (SP) and stratum granulosum (SG), GAD immunoreactive (GAD-IR) cells are numerous in other strata that contain mostly dendrites and scattered cells.
(13) The methods and chemicals utilized were the same as those used and reported by Gad et al.
(14) However, the administration of thyroxine markedly increased CNPase activity in normal rats, whereas in hypothyroid rats the effect on both CNPase and GAD was also significant.
(15) No change in parameters of GABAergic activity, namely the glutamic acid decarboxylase (GAD) activity and high affinity GABA uptake, were observed in any of the structures examined.
(16) None of the drug treatments altered nigral GAD activity when examined after 1, 3, 6, 9 or 12 months administration.
(17) Addition of alkali to the culture media results in decrease of cell GAD activity, whereas increase of enzyme level occurs only in cells growing in unbuffered media.
(18) Vibratome sections of rat substantia nigra (SN) topically injected with colchicine were processed for glutamate decarboxylase (GAD) immunocytochemistry to reveal GABAergic neurons using electronmicroscopic procedures.
(19) GAD and ChAT omnipresence may indicate constant GABAergic HCII and its cholinergic efferent synapses, their raised content, appearance of GABA-containing HCI and related cholinergic boutons in higher vertebrates.
(20) Interestingly, the beta-galactosidase-GAD fusion protein encoded by lambda GAD is enzymatically active, catalyzing the conversion of glutamate to CO2 and GABA.
Nad
Definition:
() Alt. of Nadde
Example Sentences:
(1) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(2) Transformed mammalian cells express both the usual NADP-dependent trifunctional methylenetetrahydrofolate dehydrogenase-cyclohydrolase-synthetase as well as the bifunctional NAD-dependent methylenetetrahydrofolate dehydrogenase-cyclohydrolase.
(3) The results are discussed in terms of a two-site model in which separate, but interacting, regions exist on the enzyme to accommodate the adenosine and nicotinamide moieties of NAD, and a single-site model in which the adenosine part of the molecule is bound preferentially and this interacts with the nicotinamide fraction.
(4) The NAD-dependent enzymes (except alpha-GPDH) showed a stronger reactivity in the proximal tubules, while the NADP-dependent ones were more reactive in the thick limb of Henle's loop and distal convoluted tubules.
(5) In contrast, AMP and adenosine did not alter NAD glycohydrolase activity or affect subunit structure.
(6) With cortisol and cortisol-21-aldehyde, product inhibition patterns showed only slope effects with steroid product and NAD+, suggesting a "random" mechanism.
(7) Kinetic studies of glutamate dehydrogenase were made with wide concentration ranges of the coenzymes NAD(+) and NADP(+) and the substrates glutamate and norvaline.
(8) Both substances decreased the concentrations of NAD(+) in the islet cells to about 10% of the control values within 2h after injection.
(9) We investigated the denaturation of tetrameric 20 beta-hydroxysteroid dehydrogenase (20R)-17 beta,20 beta,21-trihydroxysteroid:NAD+ oxidoreductase, EC 1.1.1.53) to find out whether intermediate states are formed during the process.
(10) On subfractionation of this crude mitochondrial fraction with continuous sucrose density gradients, most of the activity of the three enzymes was found at a higher density than NAD+-isocitrate dehydrogenase and at about the same density as glutamate dehydrogenase, confirming earlier reported data for acetyl-CoA synthase.
(11) The effect of dicoumarol on glucuronidation of 3-OH-benzo(a)pyrene (BP) appears to be due to inhibition of UDPglucuronosyltransferase (UDPGT) and not to an inhibited DT-diaphorase (NAD(P)H:quinone oxidoreductase); to date the only enzyme known to be inhibited by dicoumarol.
(12) The increase in concentration of organic cosolvents results in a 2-2.5-fold increase of the maximal reaction rate and a decrease of Michaelis constant for formate of NAD(+)-dependent formate dehydrogenase from methylotrophic bacteria Pseudomonas sp.
(13) Furthermore, NADP was over 1000-fold more potent than NAD in inhibiting the enzyme competitively with respect to NADH.
(14) The possible participation of a Ca(2+)-induced activation of NAD-isocitrate dehydrogenase in this process was investigated.
(15) A 4.1-kb EcoRI fragment which includes the gene (gldA) encoding a glycerol dehydrogenase (G1DH; EC 1.1.1.6; glycerol:NAD oxidoreductase) from Bacillus stearothermophilus var.
(16) It is supposed that the stimulating effect of lactate with NAD+ on the mitochondria respiration is not so much a result of the membrane-damaged action as a result of oxidation of lactate dehydrogenase reaction products: phosphorylative oxidation of pyruvate and nonconjugated oxidation of NADH.
(17) In the presence of glycolate (glyoxylate), and NADH and NAD alone or together in physiological proportions, the rate of serine-to-glycerate conversion was enhanced and sustained by the addition of malate.
(18) Virazole 5'-phosphate was subsequently found to be a potent competitive inhibitor of inosine 5'-phosphate dehydrogenase (IMP:NAD(+) oxidoreductase, EC 1.2.1.14) isolated from Escherichia coli (K(m) = 1.8 x 10(-5) M) with a K(i) of 2.7 x 10(-7) M. Guanosine 5'-phosphate (GMP) was a competitive inhibitor of this enzyme with a K(i) of 7.7 x 10(-5) M. Virazole 5'-phosphate was similarly active against IMP dehydrogenase isolated from Ehrlich ascites tumor cells, with a K(i) of 2.5 x 10(-7) M. The K(m) for this enzyme was 1.8 x 10(-5) M, and the K(i) for GMP was 2.2 x 10(-4) M. These results suggest that the antiviral activity of Virazole might be due to the inhibition of GMP biosynthesis in the infected cell at the step involving the conversion of IMP to xanthosine 5'-phosphate.
(19) The methods described make possible the preparation of fossil samples for light nad transmission electron microscopy.
(20) The activity of soluble NAD-specific hydrogenase was not detected.