(n.) A variety of sugar occurring in nature very abundantly, as in ripe grapes, and in honey, and produced in great quantities from starch, etc., by the action of heat and acids. It is only about half as sweet as cane sugar. Called also dextrose, grape sugar, diabetic sugar, and starch sugar. See Dextrose.
(n.) Any one of a large class of sugars, isometric with glucose proper, and including levulose, galactose, etc.
(n.) The trade name of a sirup, obtained as an uncrystallizable reside in the manufacture of glucose proper, and containing, in addition to some dextrose or glucose, also maltose, dextrin, etc. It is used as a cheap adulterant of sirups, beers, etc.
Example Sentences:
(1) In each sheep there was a significant negative correlation between the glucose and corticosteroid concentrations in both maternal and fetal plasma, and there were positive correlations between the maternal and fetal plasma concentrations of glucose, and between the glucose and fructose concentrations of fetal plasma.
(2) Synthesis of choline esterase on the medium with acetylcholine at a concentration of 1% was increased more than twofold upon addition of glucose at a concentration of 0.1%.
(3) A modification of the manual glucose oxidase-gum guaiacum method of Shipton, B., Wood, P.J.
(4) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(5) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
(6) 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.
(7) In the present investigation we monitored the incorporation of [14C] from [U-14C]glucose into various rat brain glycolytic intermediates of conscious and pentobarbital-anesthetized animals.
(8) During recovery glucose uptake was reduced and citrate release was unaffected.
(9) The obvious need for highly effective contraception in women with existing disorders of glucose metabolism has led to a search for oral contraceptive (OC) regimens for such women that are efficient but without unacceptable metabolic side effects.
(10) Based on several previous studies, which demonstrated that sorbitol accumulation in human red blood cells (RBCs) was a function of ambient glucose concentrations, either in vitro or in vivo, our investigations were conducted to determine if RBC sorbitol accumulation would correlate with sorbitol accumulation in lens and nerve tissue of diabetic rats; the effect of sorbinil in reducing sorbitol levels in lens and nerve tissue of diabetic rats would be reflected by changes in RBC sorbitol; and sorbinil would reduce RBC sorbitol in diabetic man.
(11) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
(12) Plasma membranes were isolated from rat kidney and their transport properties for sodium, calcium, protons, phosphate, glucose, lactate, and phenylalanine were investigated.
(13) MAF-G activity was inhibited by mitomycin C and colchicine, which inhibit DNA synthesis and mitosis, respectively, but not by 2-deoxy-D-glucose, an inhibitor of glucose metabolism.
(14) As a group, the three mammalian proteins resemble bovine serum conglutinin and behave as lectins with rather broad sugar specificities directed at certain non-reducing terminal N-acetylglucosamine, mannose, glucose and fucose residues, but with subtle differences in fine specificities.
(15) Glucose release from these samples was highly correlated with starch gelatinization (r2 = .99).
(16) To estimate the age of onset of these differences, and to assess their relationship to abdominal and gluteal adipocyte size, we measured adiposity, adipocyte size, and glucose and insulin concentrations during a glucose tolerance test in lean (less than 20% body fat), prepubertal children from each race.
(17) The third route was quantitated by its sensitivity to probenecid and its activity was increased in saline buffers and upon addition of glucose and was inhibited by oligomycin.
(18) With glucose and protein as intraduodenal stimulus (no pancreatin added), the plasma amino acids rose significantly less (by approximately 50% of the control experiment) and the increment in insulin (but not C-peptide) concentrations was significantly reduced by loxiglumide.
(19) After absorption of labeled glucose, two pools of trehalose are found in dormant spores, one of which is extractable without breaking the spores, and the other, only after the spores are disintegrated.
(20) Glucose metabolic rates during control and reperfusion were unchanged for hearts from fasted rats, but decreased for hearts from fed rats during reperfusion.
Glycogenesis
Definition:
(n.) The production or formation of sugar from gycogen, as in the liver.
Example Sentences:
(1) Glucose deprivation had opposite effects on the contributions of [14C]galactose (decreased) and [14C]fructose (increased) to glycogenesis, which occurred independently of insulin and were reversed by glucose concentrations as low as 30-100 microM.
(2) Insulin-dependent glycogenesis evidenced a much slower rate of glycogen deposition and was accompanied by a near tripling of glycogen synthase activity.
(3) In the present study hepatic glycogenesis by the direct versus indirect pathway was determined as a function of the glucose infusion rate.
(4) Glycogenesis and serum glucose levels were unaffected during obesity.
(5) In studies conducted with isolated rat hepatocytes, LY177507 inhibited net glucose production from a variety of substrates, inhibited glycolysis from exogenous glucose and endogenous glycogen, inhibited glycogenolysis, and stimulated glycogenesis.
(6) Pathologic and point count-morphometric studies of ribs, vertebrae, and iliac crests of 7 patients with Von Gierke's glycogenesis type Ia aged 5 months to 30 years were performed.
(7) Insulin at 10(-8) M activated glycolysis (X1.40) and glycogenesis (X1.34), and glucagon at 10(-9) M stimulated gluconeogenesis (X1.35) and glycogenolysis (X2.18).
(8) We have performed an in vivo study to test the hypothesis that induction of fetal hepatic glycogenesis is stimulated by insulin and involves activation of protein phosphatase type-1.
(9) Therefore, acute exercise provokes increments in glycogenesis, whereas training increases glycolysis, in the presence of insulin, for some time after exercise.
(10) These studies demonstrate that oPL acutely inhibits glycogen degradation in fetal rat hepatocytes and suggest that oPL promotes glycogen storage in fetal liver both by antagonizing the glycogenolytic effects of glucagon and by stimulating fetal hepatic glycogenesis.
(11) However, they were mostly, if not totally, abolished by adrenalectomy, which suppressed gluconeogenesis and glycogenesis.
(12) We examined the effects of selected hormones and pH on the rates of glyconeogenesis (L-[U-14C]-lactate----glycogen) and glycogenesis (D-[U-14C]glucose----glycogen) in mouse fast-twitch (FT) and slow-twitch muscles incubated in vitro (37 degrees C).
(13) Staining techniques for demonstration of various stored materials include: 1) toluidine blue at pH 2.8 for acid mucopolysaccharide in skeletal muscle fibers in Pompe's glycogenesis 2, 2) one-step trichrome stain for nemaline myopathy and for abnormal mitochondria in X-linked infantile cardiomyopathy, 3) periodic acid-methenamine silver stain for glycolipid-containing lysosomes in I-cell disease (mucolipidosis 2), 4) Sudan black B stain for lipid in skeletal muscle fibers in Reye's syndrome, infantile lactic acidosis, Leigh's infantile subacute necrotizing encephalopathy and Jansky-Bielschowsky late infantile ceroid lipofuscinosis, 5) iron stain for iron in cardiac and skeletal muscle fibers in thalassemia with advanced hemosiderosis, and 6) autofluorescence for "ceroid" in skeletal muscle fibers in Jansky-Bielschowsky disease.
(14) Insulin-stimulated glycogenesis was not induced in 17-day fetal rat hepatocytes in control or methylamine-treated cultures.
(15) The effects of dichloroacetate and phenazine methosulphate on the content of fructose-2,6-bisphosphate and glycogenesis in incubated epididymal adipose tissue were examined.
(16) Conversely, access to sucrose for a few days led to a pronounced glycogenesis (up to 509%) and lipogenesis (up to 450% of the teneral values), depending on the species.
(17) It is suggested that the reduction of liver glycogen induced by GH1 resulted from its obvious increase of cAMP which promoted glycogenolysis and decreased glycogenesis.
(18) Azaguanine does not alter liver glycogenesis, but prevents both liver triglyceride accumulation and the overshoot of lipogenic enzymes.
(19) Mifepristone (RU 486) had an antagonistic effect on the action of P. These results suggest that early P-dependent glycogenesis in the endometrial glandular cells of the rabbit may play an important role in the increased rate of mitosis and cellular proliferation that are necessary events in preparing the endometrium for implantation.
(20) We have therefore examined liver PDH activities during the light and dark phases of the feeding cycle in the adult rat in relation to hepatic glycogenesis, fatty acid synthesis and cholesterogenesis.