نتایج جستجو برای: normal enzyme
تعداد نتایج: 780158 فیلتر نتایج به سال:
The specific activity of 5'-nucleotidase was determined in lymphocyte plasma membranes from 14 normal subjects and 10 patients with chronic lymphocytic leukemia (CLL). Whereas the enzyme was present in the preparation from normal lymphocytes, in 7 out of 10 CLL patients the membranes had markedly decreased or no detectable 5'-nucleotidase activity. The lack of this activity from the lymphocytes...
Hepatic 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase is an important regulatory enzyme of glucose metabolism. By controlling the level of fructose-2,6-bisphosphate, an allosteric activator of the glycolytic enzyme 6-phosphofructo-1-kinase and an inhibitor of the gluconeogenic enzyme fructose-1,6-bisphosphatase, 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase regulates hepatic gluco...
Unstable variant of NADH methemoglobin reductase in Puerto Ricans with hereditary methemoglobinemia.
The electrophoretic mobility of erythrocyte NADH methemoglobin reductase in five hereditary methemoglobinemia patients from three Puerto Rican kindreds was 118% of normal at pH 8.6. The methemoglobin ferrocyanide reductase activity of the enzyme in erythrocyte hemolysates was 3.2-6.4% of normal. Electrophoresis of hemolysates prepared from the blood of patients from two different families at si...
Acetylcholinesterase has important role in synaptic cleft. It breaks down the acetylcholineatcholinergic synapsesand terminates the cholinergic effects. Some chemical agents likeorganophosphorus compounds (OPCs) including nerve agents and pesticides react withacetylcholinesteraseirreversibly. They inhibit normal biological enzyme action and resultin accumulation of acetylcholineand show toxic e...
SUMMARY This review discribes some of the morphological tools which have allowed not only to discribe the chemical nature of neuronal pathways in the central nervous system but also to approach their physiology and their functions: Enzyme histochemistry; this technique shows the entity of an enzyme in nervous tissue. Immunocyto-histochemistry; based on antigenantibody reaction constitute the ...
Background and aim: Tachyx is a rare autosomal recessive and neurological disorder caused by glycosfenolipid accumulation (GM2 ganglioside) in cell lysosomes. The accumulation of GM2 ganglioside is due to the mutation in the beta-hexose aminase gene (HEXA), which reduces the activity and deficiency of the HEXA enzyme. The aim of this study was to report 2 cases of T.Sax disease. Case report:...
darafsheh and assari in [normal edge-transitive cayley graphs on non-abelian groups of order 4p, where $p$ is a prime number, sci. china math., 56 (1) (2013) 213-219.] classified the connected normal edge transitive and $frac{1}{2}-$arc-transitive cayley graph of groups of order $4p$. in this paper we continue this work by classifying the connected cayley graph of groups of order...
We report a 17-month-old female patient with a rare cause of cardiomyopathy secondary to accumulation of amylopectin-like material (fibrillar glycogen) isolated to the heart. Evidence of amylopectinosis isolated to cardiac myocytes in this patient was demonstrated by histology and electron microscopy. Glycogen content, glycogen branching enzyme (GBE) activity, as well as phosphofructokinase enz...
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