نتایج جستجو برای: aps
تعداد نتایج: 6701 فیلتر نتایج به سال:
Adenosine 5'-phosphosulfate (APS) sulfotransferase and APS reductase have been described as key enzymes of assimilatory sulfate reduction of plants catalyzing the reduction of APS to bound and free sulfite, respectively. APS sulfotransferase was purified to homogeneity from Lemna minor and compared with APS reductase previously obtained by functional complementation of a mutant strain of Escher...
Objective A task force of scientists at the International Congress on Antiphospholipid Antibodies recognized that phosphatidylserine-dependent antiprothrombin antibodies (aPS/PT) might contribute to a better identification of antiphospholipid syndrome (APS). Accordingly, initial and replication retrospective, cross-sectional multicentre studies were conducted to ascertain the value of aPS/PT fo...
All sulfation reactions rely on active sulfate in the form of 3'-phospho-adenosine-5'-phosphosulfate (PAPS). In fungi, bacteria, and plants, the enzymes responsible for PAPS synthesis, ATP sulfurylase and adenosine-5'-phosphosulfate (APS) kinase, reside on separate polypeptide chains. In metazoans, however, bifunctional PAPS synthases catalyze the consecutive steps of sulfate activation by conv...
We studied in anesthetized rats whether aminopeptidase P (AMP) may be involved in bradykinin (BK) metabolism and responses. For this we inhibited AMP with the specific inhibitor apstatin (Aps). Studies were done with Aps alone or together with the angiotensin-converting enzyme inhibitor lisinopril (Lis). Aps increased the vasodepressor response to an intravenous bolus of BK (400 ng/kg): vehicle...
BACKGROUND Antiphospholipid antibody syndrome (APS) is a systemic autoimmune disease characterised by thrombophilic state and obstetrical complications. Prevalence of APS varies in different parts of the world. So this study was conducted to find out the prevalence and pattern of APS in systemic lupus erythematosus (SLE) in this region. MATERIAL AND METHODS In this hospital based longitudinal...
the present study aims to examine the analysis of persian adjective phrases (aps) within role and reference grammar (rrg) and to appraise the merits and demerits thereof. in rrg, there is no independent ap; therefore, predicative adjectives are considered as predicate inside nucleus of the clause and attributive adjectives are regarded as modifiers within the periphery of nucleusn. each type of...
در تحقیق حاضر، از روش های پاشش پلاسمایی اتمسفری (aps) و پاشش شعله ای- انفجاری (hvof) برای اعمال پوشش های بین فلزی نیکل- تیتانیم بر روی فولاد زنگ نزن l316 و فولاد 1045 استفاده شد. پودر مورد استفاده در فرایندهای پاشش حرارتی به کمک روش آلیاژسازی مکانیکی کم انرژی تولید شد. در این رابطه، از پودر نیکل- تیتانیم با ساختار آمورف- نانو به عنوان ماده اولیه پوشش استفاده شد. نتایج مشخصه یابی پوشش ها نشان دا...
Antiphospholipid syndrome (APS) is an autoimmune disease characterized by arterial and venous thrombosis, recurrent abortions, and antiphospholipid antibodies (aPL). However, it is possible to find patients with clinical signs of APS who persistently test negative for aPL (seronegative APS, or SN-APS). The aim of this study was to identify new antigenic target(s) of autoantibodies in APS patien...
Seronegative antiphospholipid syndrome (SNAPS) is an autoimmune disease present in patients with clinical manifestations highly suggestive of Antiphospholipid Syndrome (APS) but with persistently negative consensus antiphospholipid antibodies (a-PL). IgA anti-β 2 Glycoprotein I (aB2-GPI) antibodies are associated with APS. However, they are not currently considered to be laboratory criteria due...
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