Gene/Protein
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Enzyme
Compound
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Target Concepts:
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Query: EC:3.1.3.1 (
alkaline phosphatase
)
47,916
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Three hundred and forty-seven tissue specimens were studied from 23 patients with male pattern alopecia. Characteristic features of pattern alopecia included: the presence of miniature or vellus follicles; a marked enlargement of the sebaceous glands and arrectores pilorum muscles; the presence of connective tissue streamers beneath the vellus follicles; and the thinning of the dermis. A mild perivascular infiltrate of mononuclear cells and mild capillary dilatation was sometimes seen. An increased number of mast cells was often a prominent feature. Histochemical procedures were performed for glycogen, acid mucosaccharides, inorganic substances, and enzymes including
alkaline phosphatase
, acid phosphatase, beta glucuronidase,
cholinesterase
, aminopeptidase, oxidases and dehydrogenases. Histochemical studies did not reveal any significantly abnormal enzyme changes other than the altered vascular and nerve supply to the the miniature follicles.
...
PMID:Male pattern alopecia a histopathologic and histochemical study. 77 55
The structure and histochemistry of the palmar and plantar skin were studied in four adult male marmosets (two Callithrix jacchus and two Callithrix penicillata). In this skin there exist well-developed epidermal ridges, to which are attached one or two ducts of sweat glands. A thick stratum corneum can be seen in the epidermis, while a distinct stratum lucidum cannot be isolated from the other layers. The stratum granulosum is constituted by one or three layers of cells containing keratohyalin granules. Melanin granulations are mainly concentrated in the basal cells of the epidermal ridges. Dendritic melanocytes and amelanotic melanocytes containing
alkaline phosphatase
are found among the epidermal cells. Glycogen, UDPG-GT and phosphorylases are mainly present in the middle and lower Malpighian cells of the epidermal ridges. Alkaline phosphatase, ATPase, alanyl amino-peptidase and leucine aminopeptidase were absent in the epidermal cells. SDH, cytochrome oxidase, MAO and a certain number of NAD-dependent dehydrogenases (LDH, ADH, MDH, alpha-GPDH, beta-OHBDH and GDH) showed a stronger reactivity in the basal cells and Malpighian layer. The NADP-dependent enzymes (G-6-PDH, 6-PGDH, cis-aconistase and ICDH) were more reactive in the upper Malpighian layer and stratum granulosum. The stratum corneum showed some acid phosphatase and nonspecific esterase reactivity. The collagenous fibers intertwined with a small number of very thin elastic ones and a larger amount of reticular fibers run almost parallel to the epidermal ridges in the papillary body. In the reticular dermis some fibers are disposed transversely to the epidermal ridges. Meissner corpuscles reactive to butyrylcholinesterase,
acetylcholinesterase
, nonspecific esterase and G-6-PA are disposed at regular intervals and frequently at each side of the epidermal ridges. Pacinian corpuscles were found only in the hypodermis. The eccrine sweat glands contain glycogen, UDPG-GT and phosphorylase in their secretory, ductal and myoepithelial cells. The secretory part shows a uniform reactivity for every dehydrogenase because it contains only one type of cells (clear cells). The intraepidermal segment of the ducts shows a stronger reactivity to nonspecific esterase and NADP-dependent dehydrogenases than the epithelial cells around it.
...
PMID:The skin of the palms and soles of the marmosets (Callithrix jacchus and Callithrix penicillata). 82 86
The behaviour of several dehydrogenases(succino-, beta-glycerophosphate-, lactate-, alcohol-, beta-hydroxibutyric acid-, glucose-6-phosphate-, isocitronic acid-dehydrogenase, monoamino-oxidase, and gamma-aminobutyric acid-transaminase) and of several hydrolytic enzymes (non-specific esterase, lipase, acetylcholin-, butyrylcholinesterase,
alkaline phosphatase
and leucinaminopeptidase) was investigated in the neurons of NSO and NPV, in the infundibulum and in the neurohypophysis and the innervation of the neurons (
acetylcholinesterase
, monoamino-oxidase, catecholamines) by unmilked and milked cows. The milking stimulus influences the metabolism especially in the neurosecretory cells of the NPV. After the milking stimulus the activity of oxydative enzymes is above all very increased, the anaerobic way of the output of energy is after that also higher. The building up of the carbohydrates through glycolyse in the neurosecretory cells of the NPV after the milking stimulus is increased. The possible participation of the investigated hydrolytic enzymes on the metabolism of the neurosecretory cells is discussed. The neurons of the NPV were innervated for the most part adrenergic. It is discussed the participation of the enzymes succinodehydrogenase and monoaminooxidase on the hormone release in the neurohypophysis.
...
PMID:[Enzymhistochemical investigations on the hypothalamo-neurohypophysial system of unmilked and milked cows (author's transl)]. 82 94
The dermal cells in grey, xanthic, and white goldfish integuments were cytochemically characterized for the following enzymatic activities: tyrosinase, DOPA-oxidase, cytochrome oxidase, monoamine oxidase, peroxidase, non-specific esterase,
cholinesterase
, NAD-diaphorase, NADP-diaphorase, aryl sulfatase, nucleotide phosphodiesterase, beta-glucuronidase, acid phosphatase,
alkaline phosphatase
, adenosine triphosphatase, thiamine pyrophosphatase, glucose-6-phosphatase, aldolase, as well as succinate, malate, isocitrate, glutamate, glucose-6-phosphate, 6-phosphogluconate, alpha-glycerophosphate, alcohol, lactate, and beta-hydroxybutyrate dehydrogenases. It was found that the epidermis was a significant barrier to the access of cytochemical reaction substrates. Removal of the epidermal barrier provided dermal cell localizations of enzymatic activities which were reproducible. Further, alterations in reaction times and temperatures from the mammalian methodology provided conditions fe various integumental cells were compared for possible interrelationships. The basic foundations for future work with the dermis of poikilothermic vertebrates on an experimental basis were established. In addition, a previously undescribed non-pigmented dermal cell, the "x"-cell, was found to have enzymatic characteristics similar to both melanophores and lipophores. The "x"-cell may be the common precursor of both types of pigment cells.
...
PMID:Cytochemical characterization of goldfish (Carassius auratus L.) dermis with special reference to the pigment cells. 82 86
Twenty calves were infected with 1000 metacercariae of Fasciola hepatica, the activities of 10 enzymes in plasma or serum were assayed and concentrations in serum of proteins, urea and bilirubin were determined. These values were compared with control data obtained from 14 uninfected calves. Aspartate aminotransferase, lactate dehydrogenase, sorbitol dehydrogenase, glutamate dehydrogenase, ornithine carbamoyl transferase and gamma-glutamyl transpeptidase activities increased in infected calves. Total serum protein increased, albumin decreased, globulin increased and the albumin/globulin ratio was decreased in infected calves. Plasma alanine aminotransferase, leucine aminopeptidase,
alkaline phosphatase
and
cholinesterase
activities and serum concentration of urea and bilirubin were unaffected. It was concluded that glutamate dehydrogenase and gamma-glutamyl transpeptidase were the most sensitive indicators of liver cell damage in fascioliasis.
...
PMID:Biochemical indicators of liver injury in calves with experimental fascioliasis. 83 11
The authors carried out experiments on 120 pregnant rats and treated them oraly with basfungin in daily doses of 1/13 of LD50--1/100 of LD50. They examined the activity of serum enzymes-
cholinesterase
, glutamat-oxalacetic and glutamatryuvic transaminases, alkaline phosphatases, lactatdehydrogenase; in liver homogenates. They determined the content of sulphydryl and disulphide groups, cytochromexidase activity as well as pathomorophological studies on liver, thyroid gland, trachea, lung, myocardium, spleen and kidneys. There was reduced activity of
cholinesterase
, glutamatpyruvic transaminase, lactatdehydrogenase and elevated activity of
alkaline phosphatase
; inhibited activity of cytochromoxidase and reduced content of sulphydryl and disulfide groups in liver. The changes revealed marked dependence between dose and response. There were pathological findings only in liver, presenting manifested parenchymatous distrophy involving hepatocytes centraly located after administration of 250 mg of basfungine per kg of bogy weight, but after administration of 125 mg per kg of body weight there was only acute venous stasis.
...
PMID:[Study of the dithiocarbamate-basfungin, action on the body of pregnant white rats]. 88 Sep 12
Human erythrocyte ghosts were solubilized in a low ionic strength medium containing 1% Triton X-100 and subjected to electrophoresis in polyacrylamide gels containing Triton X-100. Five major bands were stained with Coomassie Blue, all except one band being heterogenous when re-electrophoresed in gels containing sodium dodecyl sulphate. It was possible to detect
acetylcholinesterase
, non-specific esterase, ATPase,
alkaline phosphatase
, 5'-nucleotidase, glyceraldehyde-3-phosphate dehydrogenase, lactate dehydrogenase, and aldolase activities on the Triton-containing polyacrylamide gels. Two of the enzymes, ATPase and 5'-nucleotidase, showed substantial inhibition by Triton X-100 in quantitative studies. This appears to be a useful method for studying membrane enzymes in normal and pathological red cells.
...
PMID:Polyacrylamide gel electrophoresis of human erythrocyte membrane enzymes solubilized with triton X-100. 89 Sep 65
The method for the determination of enzymic activity in turbid, lipaemic sera, which involves clearing by polyanion precipitation with heparin and magnesium chloride, was critically reviewed. In the diagnosis of diseases of the liver and pancreas, which are frequently associated with hyperlipoproteinaemia, only residual enzyme activities are measured in the cleared serum after polyanion treatment. In the measurement of glutamate dehydrogenase and in the Phadebas test for alpha-amylase, the enzymes are inactivated by treatment with heparin and magnesium chloride. On the other hand, as a result of polyanion precipitation gamma-glutamyl transferase is transferred, together with lipoproteins and chylomicrons, to the lipid-rich supernatant. Acid phosphatase also exhibits only residual activity in cleared serum. The activity of aspartate aminotransferase, alanine aminotransferase,
alkaline phosphatase
, leucine arylamidase,
cholinesterase
, creatine kinase, lactate dehydrogenase, and alpha-hydroxybutyrate dehydrogenase, and the activity of alpha-amylase in the Merckotest are not affected by polyanion treatment of the serum.
...
PMID:[Enzyme diagnosis in lipaemic sera before and after polyanion precipitation with heparin and magnesium chloride (author's transl)]. 92 35
Experiments were carried out with a total of 25 chickens of the Leghorn breed divided into two test groups and one control group. The test chickens were given daily the phosphorus organic pesticides timet and lebaized at rates of 0.05 mg anen mg per kg. The treated birds were kept under observation in the course of 72 days recording their
cholinesterase
activity (ChEA), serumglutamatoxal-acetate transaminase (SGOT), serumglutamatpyruvate transaminase (SGPT), and
alkaline phosphatase
(APh), and blood sugar level. It was found that as early as the third day from the beginning of the experiment ChEA dropped abruptly--by 62.72 per cent following treatment with timet, and by 29.26 per cent when treatment was carried out with lebaizid. SGOT and SGPT rose up to the 36th day by 78.74 and 59.42 per cent as against the controls. The blood sugar level increased by 20.44 per cent following the administration of timet, and by 6.95 per cent following that of lebaizid. APh on the 12th day was by 60.84 per cent higher as compared to the initial level in the case of timet, and by 39.15 per cent in the case of lebaizid. Results showed that the continuous giving of phosphorus organic insecticides (timet and lebaized) at low rates to chickens leads to the drop of ChA and the rise of SGOT, GPT, APh, and blood sugar, these changes being more clearly manifested in chickens that have been offered timet.
...
PMID:[Changes in some blood biochemical indices in chickens poisoned with Thimet and Letaycide]. 94 89
The activity of the following enzymes in clinically normal newborn calves was investigated: glutamate-oxalacetate transaminase (GOT), glutamate-pyruvate transaminase (GPT),
alkaline phosphatase
(APh), creatine phosphokinase (CPhK), lactate dehydrogenase (LDH), leucine-aminopeptidase (LAP), aldolase (A), and
cholinesterase
(ChE). The studies were carried out at the first hour prior to offering colostrum as well as at the 6th, 12th, 24th hr and on the 2nd, 3rd, 4th, 5th, 7th, 10th, 15th, and 20th day following it first intake. Regularly rising values of the enzyme activity up to the 24th hour were observed with APh, GOT, GPT, CPhK, and LAP. The aldolase enzyme (after colostrum had been given for the first time) in all animals showed a statistically significant drop of activity at the 6th hour. The activity of LDH displayed a consistently rising trend up to the end of the experimental period. The
cholinesterase
activity showed high values immediately following birth, reaching those found in the dams by the end of the observation period.
...
PMID:[Dynamics of some serum enzymes in the postnatal development of calves]. 94 95
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