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Enzyme
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Query: EC:3.2.1.31 (
beta-glucuronidase
)
7,680
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
The levels of six lysosomal enzymes (acid phosphatase, beta-acetylglucosaminidase, cathepsin D, beta-galactosidase, arylsulfatase A, and
beta-glucuronidase
) and four neutral and alkaline hydrolases (esterase, inorganic phyrophosphatase,
alkaline phosphatase
, and 5'-nucleotidase) were measured in osteoarthritic, rheumatoid and control synovia. All enzyme levels in diseased synovium except esterase values in osteoarthritis were significantly elevated compared with controls. The mean values of the group of acid hydrolases and the group of neutral and alkaline hydrolases in osteoarthritic synovia were 1.9- and 2.0-fold greater than those of control specimens. In rheumatoid synovia, the values were 4.2- and 4.5 fold greater than control for the same enzymes. Levels in rheumatoid synovia were significantly higher than those in osteoarthritic synovia with the exception of 5'-nucleotidase. Only a limited correlation between the extents of inflammation present in the synovia and the levels of a lysosomal marker enzyme (cathepsin D) was observed. These results demonstrate that whatever the mechanism, increased levels of acid hydrolases as well as certain neutral and alkaline hydrolases are present in osteoarthritic and rheumatoid synovia, and these enzymes are probably contained in the synovial lining cells.
...
PMID:Acid, neutral, and alkaline hydrolases in arthritic synovium. 0 9
It is known that the composition and character of human saliva alters during the menstrual cycle, presumably in response to changes in the level of ovarian hormones. A clinical study was undertaken to determine cyclic variations in salivary enzymes. Saliva from 4 healthy women aged 20-31 with a history of normal menstrual cycles were studied. The laboratory procedures performed on the saliva samples--from 6 menstrual cycles--are described and the results are graphed. Exfoliated cells from the oral mucosa were the main source of these enzymes. In all the cycles,
alkaline phosphatase
activity peaked sharply at mid-cycle, close to the expected time of ovulation; in 5 of the cycles, the peak occurred before the postovulation rise in body temperature. The levels of arylsulfatase and
beta-glucuronidase
, studied in 2 consecutive cycles of 1 woman, peaked in the periovulatory phase. All 3 enzymes were elevated during the luteal phase of the cycle as well. Increased cellular content of the saliva is attributed to the elevated circulating blood estrogen levels in the immediate preovulatory and midluteal phases of the cycles. There is great variability among subjects, however. Before a simple test for ovulation by home measurement of salivary enzymes can be developed, an ajustment of the test sensitivity would be necessary for adaptation to the individual woman.
...
PMID:Alkaline phosphatase, arylsulfatase and beta-glucuronidase in saliva of cyclic women. 0 94
The histrochemistry of the adrenal glands was studied in four adult male marmosets (two Callithrix jacchus and two Callithrix penicillata). It was impossible to demonstrate any reactivity to UDPG-GT, ADH, alanyl aminopeptidase, leucine aminopeptidase, xilitol (NAD-dependent) dehydrogenase,
beta-glucuronidase
and aryl-sulfatase in these glands. Total phosphorylase was found in scattered cells of the glomerulosa and adjacent outer fasciculata of one C. penicillata. The dehydrogenases (LDH, G-6-PDH,6-PGDH, NADPH2-TR,ICDH,SDH,NADH2-TR, alpha-GPDH, beta-OHBDH) as well as the hydrolases (except
alkaline phosphatase
, ATPase, and acetylcholinesterase) showed a stonger reactivity in the cortical part. Some hydrolases (naphthol acetate esterase, acid phosphatase) and cytochrome oxidase were less reactive in the zona glomerulosa, where the dehydrogenases were more abundant. The outer fasciculata and the reticularis also showed a strong dehydrogenase reactivity.
...
PMID:Histochemical studies on the adrenal glands of the marmosets (Callithrix jacchus and Callithrix penicillata). 0 44
Urinary excretion of lactate dehydrogenase, hydroxybutyrate dehydrogenase, gamma-glutamyltransferase,
alkaline phosphatase
, arylsulphatase A, alpha-glucosidase, beta-galactosidase, trehalase, N-acetyl-beta-glucosaminidase,
beta-glucuronidase
, and leucinearylamidase was studies in a carefully selected group of 100 healthy subjects, 50 women and 50 men. Enzyme activities were assayed in 3-h morning samples after gel filtration of the urine. Activities were related to time volume, and to urinary creatinine concentration. Several transforming functions had to be applied to enzyme output data to obtain an approximation to gaussian frequency distribution. Men showed a significantly higher excretion of gamma-glutamyltransferase, alpha-glucosidase, trehalase, N-acetyl-beta-glucosaminidase,
beta-glucuronidase
, and leucine arylamidase activity than did women if enzyme activity was related to urinary time volume. Women excreted more lactate dehydrogenase, hydroxybutyrate dehydrogenase, gamma-glutamyltransferase,
alkaline phosphatase
, alpha-glucosidase, trehalase, and N-acetyl-beta-glucosaminidase activity than did men, if urinary creatinine was used as the basis of reference. Reference intervals were calculated as 2.5 and 97.5 percentiles for both sexes.
...
PMID:Normal limits of urinary excretion of eleven enzymes. 1 92
In normal mongrel dogs, outflow occlusion of 15 or 30 minutes duration was produced by clamping both the suprahepatic and suprarenal portions of the vena cava. One dog died immediately after release of occlusion; two dogs died from recurrent hypotension between six and 24 hours postoperatively. The other five dogs survived for three days, at which time an autopsy was done. During outflow occlusion, the blood pressure fell in all dogs, as did the central venous pressure. The pulse rate decreased during, and after, occlusion but toward a tendency of gradual recovery. A significant drop in pH and base excess of arterial blood was seen after occlusion. Although a steady, but not substantial, increase in hemoglobin and hematocrit values was noted, there were no remarkable changes in the blood coagulation system. Significant increases in serum glutamic-oxalacetic transaminase, glutamic-pyruvic-transaminase, lactic dehydrogenase, acid phosphatase and
beta-glucuronidase
activities were observed from immediately after release of occlusion, but
alkaline phosphatase
values increased much later than did these. Thus, hepatic outflow occlusion, even if it is short, seems to be dangerous in the dog, since it produces hypotension, metabolic acidosis and diffuse damage as well as disruption of the parenchyma of the liver.
...
PMID:Enzymatic and hemodynamic changes after short term hepatic outflow occlusion in the dog. 1 3
1. Highly sensitive technique are described for the assay of plasma membrane (5'-nucleotidase,
alkaline phosphatase
), microsomal (neutral alpha-glucosidase, leucyl-2-naphthylamidase) and biliary canalicular (gamma-glutamyltransferase) enzymes and for nine acid hydrolases (acid phosphatase, phosphodiesterase, beta-glucosidase, alpha-glucosidase, alpha-galactosidase, beta-galactosidase, alpha-mannosidase, N-acetyl-beta-glucosaminidase,
beta-glucuronidase
) in human liver. 2. Optimum and specific assay systems have been developed which give linear kinetics for all enzymes. 3. The range of enzyme activities in samples of human liver, obtained by closed needle biopsy, and sera have been determined.
...
PMID:Enzyme activities in human liver biopsies: assay methods and activities of some lysosomal and membrane-bound enzymes in control tissue and serum. 1 4
Activities of 9 enzymes were determined biochemically in the endometrium. In Trial I (five women) 25 mg progesterone were injected i.m. on day 9 of the cycle; and endometrial biopsy taken 24 hours later was compared with endometrium from day 10 and day 21, taken in two untreated cycles from the same volunteers. Similarly, in Trial II (five women) 50 mg progesterone were injected on day 9, biopsy taken on day 11 and compared with days 11 and 21 from untreated cycles. The specific activites of lactate dehydrogenase, isocitrate dehydrogenase (ICDH), malate dehydrogenase, glutamate dehydrogenase,
beta-glucuronidase
, acid phosphatase (ACP) and
alkaline phosphatase
(AP) were significantly higher in the secretory phase. Twenty-five milligrams progesterone (after 24 hours) caused increases of some enzymes, significant only for AP. Fifty milligrams (after 48 hours) increased significantly the activity of ICDH and ACP. Biochemical changes, especially increase of ICDH, can be used for detection of the effect of progesterone on the endometrium.
...
PMID:Effect of endogenous and exogenous progesterone on human endometrial enzymes. 3 Jul 6
The urinary excretion of lactate dehydrogenase, gamma-glutamyltransferase,
alkaline phosphatase
, arylsulphatase A, alpha-glucosidase, beta-galactosidase, trehalase, N-acetyl-beta-glucosaminidase,
beta-glucuronidase
, and leucine arylamidase was studied in 68 patients with biopsy-proved glomerular, 54 with interstitial renal disease and in 97 patients suffering from primary hypertension. The enzyme output of these 219 patients was compared to that of a reference population of 100 thoroughly selected healthy subjects. The highest incidence of elevated enzyme excretion was observed for N-acetyl-beta-glucosaminidase with 88% in glomerulopathies and 78% in interstitial disease, followed by beta-galactosidase. 94% of the patients with glomerular kidney disease, 90% of those with interstitial disease and about 60% of the subjects with primary benign hypertension revealed an output of at least one enzyme above upper reference limit. The highest average enzymuria occured in glomerulopathies, particularly high values in patients with the nephrotic syndrome. Application of discriminant analysis to the urinary enzyme pattern of glomerular and interstitial renal diseases resulted in an overall correct classification into the appropriate group of 89% of all patients. The discrimination between glomerular and interstitial disease was better in patients with normal renal function than in those with reduced function. Results show, that the analysis of urinary enzyme patterns may be a helpful adjunct for differential diagnosis of kidney diseases.
...
PMID:Evaluation of urinary enzyme patterns in patients with kidney diseases and primary benign hypertension. 3 57
Twelve acid hydrolases, 4 near-neutral hydrolases, and
alkaline phosphatase
were demonstrated in 0.34 M sucrose homogenates of Trypanosoma cruzi strain Y: p-nitrophenylphosphatase and alpha-naphthylphosphatase, with optimum pH at approximately 6.0; alpha=ga;actpsodase. beta=ga;actpsodase. beta=g;icpsodase, N-acetyl-beta-glucosaminidase, cathepsin A and peptidase I and III, with optimum pH between 5.0 and 6.0; and arylsulfatase, cathepsin D, alpha-arabinase and alpha-mannosidase with optimum pH at approximately 4.0. alpha-Glucosidase, glucose-6-phosphatase and peptidase II had optimum pH at approximately 7.0. beta-Glycerophosphatase had a broad pH-activity curve from 4,0 to 7.4, with maximum activity at pH 7.0. The main kinetic characteristics of these enzymes and their quantitative assay methods were studied. No activity was detected for alpha-fucosidase, beta-xylosidase,
beta-glucuronidase
, elaidate esterase, acid lipase, and alkaline phosphodiesterase.
...
PMID:Acid and neutral hydrolases in Trypanosoma cruzi. Characterization and assay. 4 19
In 30 patients with cancer of the larynx, aged 40 to 70 years, treated by radiotherapy 6 to 9 years ago the decreased activity of neutrophil
beta-glucuronidase
and N-acetyl-beta-glucosaminidase accompanied by a decrease of absolute count of enzyme-positive cells was noted. Numbers of acid phosphatase-positive neutrophils were also decreased. Moderate increase of the neutrophil
alkaline phosphatase
activity and of numbers of enzyme-positive cells was another observed feature. The main finding in lymphocytes of the patients consisted in the appearance of cells exhibiting diffusion of lysosomal enzymes, especially of
beta-glucuronidase
, N-acetyl-beta-glucosaminidase and to a lesser degree of acid phosphatase into the cell cytoplasm. Moderate increase of immunoglobulin level, especially that of IgA, reflected probably the immunologic mobilization of patients.
...
PMID:Effect of radiotherapy on the neutrophil and the lymphocyte enzymatic equipment and serum immunoglobulins in patients with cancer of the larynx. 8 87
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