نتایج جستجو برای: hexosaminidase
تعداد نتایج: 835 فیلتر نتایج به سال:
Cytogenetic studies on a retarded girl showed a complex S;15 translocation, karyotype 45,X,-15,+t(X15). The translocation X chromosome was non-randomly partially inactivated, the inactivation being mainly confined to the X segment and in some cells only to the X long arm. Gene marker studies failed to show anomalous segregation of the hexosaminidase A gene or any other gene markers tested.
fcεri, the high affinity receptor for ige plays a critical role in triggering the allergic reactions. it is responsible for inducing mast cell degranulation and deliberation of allergy mediators when it is aggregated by allergen and ige complexes. fcεri on the mast cells consists of three subunits; α chain directly binds ige, β chain and dimmer of γ chains together mediate intracellular signali...
Upon detergent or hypo-osmotic lysis of CHO-cell postnuclear supernatants or isolated lysosomes at pH 4.8, the lysosomal enzymes beta-hexosaminidase, beta-galactosidase, alpha-fucosidase and cathepsin C were readily pelleted, whereas the exogenous marker, long-term-internalized horseradish peroxidase, was not. Salt or pH elevation greatly decreased lysosomal-enzyme pelletability. The results su...
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:...
rendered background IgE levels only. In accordance, sera of OVA mice which permitted mast cell degranulation upon OVA trigger in a specific b-hexosaminidase release assay, whereas sera of OVA-AAVLP mice did not contain anaphylactogenic antibodies. In an in vivo anaphylaxis experiment, upon intravenous OVA challenge OVA-immunized mice presented significant drop of body temperature, whereas AAVLP...
rendered background IgE levels only. In accordance, sera of OVA mice which permitted mast cell degranulation upon OVA trigger in a specific b-hexosaminidase release assay, whereas sera of OVA-AAVLP mice did not contain anaphylactogenic antibodies. In an in vivo anaphylaxis experiment, upon intravenous OVA challenge OVA-immunized mice presented significant drop of body temperature, whereas AAVLP...
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