نتایج جستجو برای: مدل تلفیقی asm
تعداد نتایج: 128105 فیلتر نتایج به سال:
Lysosomal membrane permeabilization and subsequent cell death may prove useful in cancer treatment, provided that cancer cell lysosomes can be specifically targeted. Here, we identify acid sphingomyelinase (ASM) inhibition as a selective means to destabilize cancer cell lysosomes. Lysosome-destabilizing experimental anticancer agent siramesine inhibits ASM by interfering with the binding of ASM...
Two atmospheric circulation systems, the mid-latitude Westerlies and the Asian summer monsoon (ASM), play key roles in northern-hemisphere climatic changes. However, the variability of the Westerlies in Asia and their relationship to the ASM remain unclear. Here, we present the longest and highest-resolution drill core from Lake Qinghai on the northeastern Tibetan Plateau (TP), which uniquely r...
Acid sphingomyelinase (ASM) is reported to have an essential function in stress-induced apoptosis although the physiological function of ASM in receptor-triggered apoptosis is unknown. Here, we delineate a pivotal role for ASM in CD95-triggered apoptosis of peripheral lymphocytes or hepatocytes in vivo. We employed intravenous injection of anti-CD4 antibodies or phytohemagglutinin that was prev...
منطقة سیستان در شرق ایران یکی از مناطقی است که به تدابیر مدیریتی منابع آب نیازمند است. استفاده از آب سطحی و زیرسطحی، به صورت تلفیقی، از روشهای اصلی مدیریت جامع منابع آب است. هدف پژوهش حاضر مطالعة استراتژی تلفیق آب شور زیرسطحی با آب شیرین رودخانة هیرمند در منطقة سیستان بود. برای دستیابی به این هدف، آزمایشی در قالب طرح بلوک کاملاً تصادفی با پنج تیمار و سه تکرار بر گیاه سورگوم علوفهای رقم اسپیدف...
OBJECTIVES To assess the value of major histocompatibility complex (MHC) class II antigen (HLA-DR) expression to distinguish anti-synthetase myopathy (ASM) from dermatomyositis (DM). METHODS Muscle biopsies from patients with ASM (n = 33), DM without anti-synthetase antibodies (ASAb) (n = 17), and normal muscle biopsy (n = 10) were first reviewed. ASAb included anti-Jo1 (26/33), anti-PL12 (4/...
Acid sphingomyelinase (ASM) is an important lipid-metabolizing enzyme cleaving sphingomyelin to ceramide, mainly within lysosomes. Acid ceramidase (AC) further degrades ceramide to sphingosine which can then be phosphorylated to sphingosine-1-phosphate. Ceramide and its metabolite sphingosine-1-phosphate have been shown to antagonistically regulate apoptosis, cellular differentiation, prolifera...
Morphometric analyses of endobronchial biopsies are commonly performed in asthma research but little is known about the technical and physiological parameters contributing to measurement variability. We investigated factors potentially affecting biopsy size, quality, and airway smooth muscle (ASM) content in heaves, an asthma-like disease of horses. Horses with heaves in clinical exacerbation (...
In recent years, asthma has been defined primarily as an inflammatory disorder with emphasis on inflammation being the principle underlying pathophysiological characteristic driving airway obstruction and remodelling. Morphological abnormalities of asthmatic airway smooth muscle (ASM), the primary structure responsible for airway obstruction seen in asthma, have long been described, but surpris...
The stable model (SM ) semantics lacks the properties of existence, relevance and cumulativity. It is thus reasonable to look for conservative extensions of this semantics (i.e., semantics that for each normal logic program P retrieve a superset of the set of stable models of P ) that may enjoy some or all of the above properties. In this work we define a large class of conservative extensions ...
Enhanced airway smooth muscle (ASM) contraction is an important component in the pathophysiology of asthma. We have shown that ligand gated chloride channels modulate ASM contractile tone during the maintenance phase of an induced contraction, however the role of chloride flux in depolarization-induced contraction remains incompletely understood. To better understand the role of chloride flux u...
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