Báo cáo y học: "Risk and Benefit of Drug Use During Pregnancy"

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Báo cáo y học: "Demonstrating the benefit of medical emergency teams (MET) proves more difficult than anticipated"

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Báo cáo y học: "Aplasia and Agenesis of the Frontal Sinus in Turkish Individuals: A Retrospective Study Using Dental Volumetric Tomograph"

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Báo cáo y học: " Safety and efficacy of undenatured type II collagen in the treatment of osteoarthritis of the knee: a clinical trial"

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Báo cáo y học: "Epidemiology and Prevention of Hepatitis B Virus Infection"

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Tài liệu Báo cáo Y học: Expression and characterization of active site mutants of hevamine, a chitinase from the rubber tree Hevea brasiliensis docx

... apparently been cleaved off during the maturation of the e nzyme.Enzyme activity studiesThe lysozyme activities of the various hevamine variants areshown in Table 3. No enzyme activity was detectable ... Tyr183 in catalysisIn previous crystallographic studies it was shown that thehydroxyl side chain of Tyr183 is within hydrogen bondingdistance of the N-acetyl carbonyl oxygen of the sugarresidue ... (1995) Stereochemistry of chitinhydrolysis by a plant chitinase/lysozyme and X-ray structure of acomplex with allosamidin: evidence for substrate assisted catalysis.Biochemistry 34, 15619–15623.14....

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Tài liệu Báo cáo Y học: Characterization and regulation of yeast Ca2+-dependent phosphatidylethanolamine-phospholipase D activity docx

... activity wasidentiﬁed recently in Saccharomyces cerevisiae which isCa2+-dependent, preferentially hydrolyses phosphatidyl-ethanolamine (PtdEtn) and phosphatidylserine and does notcatalyse ... catalytic proper-ties. Its activity is Ca2+-dependent; it preferentiallyhydrolyses phosphatidylethanolamine (PtdEtn) and phos-phatidylserine (PtdSer); and its activity is not stimulated byPtdInsP2. ... membrane.The decrease in cytosolic PtdEtn-PLD activity upon lysis inthe presence of Ca2+may occur because of stimulatedproteolytic degradation of the enzyme. This possibility wasnot examined further.To...

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Tài liệu Báo cáo Y học: Presence and regulation of the endocannabinoid system in human dendritic cells potx

... anandamide and 2-arachidonoylglycerol (2-AG), the cannabinoid CB1 and CB2receptors, and one of the enzymes mostlyresponsible for endocannabinoid hydrolysis, the fatty acidamide hydrolase (FAAH). By ... modulation of the cytokine network and adecrease of T- and B-cell proliferation have been describedin vitro [9]. A reduction of the cytolytic activity of naturalkiller cells and of antigen ... Widen, R. & Friedman, H. (1985) Theeﬀect of delta-9-hydrocannabinol and 11-hydroxy-delta-9-tetra-hydrocannabinol on T-lymphocyte and B-lymphocyte mitogenresponse. J. Immunopharmacol. 7,...

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Báo cáo Y học: Cloning and expression of sterol D14-reductase from bovine liver potx

... Della Fazia4 and Giuseppe Servillo41Department of Internal Medicine, University of Perugia, Italy;2Department of Pharmacological Sciences, University of Milan,Italy;3Department of Biochemical ... UniversitaÁÔLa SapienzaÕ Roma, Italy;4Department of Biochemical Sciences and Molecular Biotechnology, University of Perugia, ItalyBiosynthesis of cholesterol represents one of the funda-mental cellular ... from y east [7±9] and fungi[10]. Gene c loning of D14-SR from Ara bidopsis thaliana and analysis o f m utants has h ighlighted the role of theprotein in cell growth and embryonic development of...

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Báo cáo Y học: Isolation and characterization of a thioredoxin-dependent peroxidase from Chlamydomonas reinhardtii doc

... by HPLC and some of themwere totally or partially analyzed by Edman sequencing and/ or by MALDI-TOF mass spectrometry ( Fig. 2).Computer database searches based on the amino-acidsequences of ... reductase system in yeast and animals, w hile 1Cys-Prx may be r educed by a smallthiol molecule such as glutathione. R ecently, 1Cys-Prx hasbeen identi®ed i n y east and Arabi dopsis, and has ... databases. Tryptic peptides were puri®ed by RP-HPLC and some of them were to tally orpartially analyzed by Edman sequencing (ááá) and/ or by MALDI-TOF mass spectrometry (±±). The experimental masses (M...

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