نتایج جستجو برای: gcb pwm
تعداد نتایج: 4927 فیلتر نتایج به سال:
در این مقاله، یک استراتژی کنترلی تعمیم‌یافته از مدولاسیون پهنای پالس بر مبنای حامل (GCB-PWM) که برای مبدل‌های چندسطحی پشت به پشت مناسب می‌باشد، پیشنهاد گردیده است. هدف از روش پیشنهادی، ایجاد یک الگوی کلیدزنی به نحوی است که بدون افزایش فرکانس کلیدزنی، دامنه اولین هارمونیک حذف نشده ولتاژ خروجی، حذف شود یا به زیر حد مجاز استاندارد خود کاهش یابد. این امر با ثابت نگه‌داشتن اندیس مدولاسیون دامنه در م...
Diffuse large B-cell lymphoma (DLBCL) can be molecularly subtyped as either germinal center B-cell (GCB) or non-GCB. The role of rituximab(R) in these two groups remains unclear. We studied 204 patients with de novo DLBCL (107 treated with first-line CHOP; 97 treated with first-line R-CHOP), patients being stratified into GCB and non-GCB on the basis of BCL-6, CD10, and MUM1 protein expression....
Diffuse large B-cell lymphoma (DLBCL) with a germinal center B-cell (GCB) phenotype is believed to confer a better prognosis than DLBCL with an activated B-cell (ABC) phenotype. Previous studies have suggested that nuclear factor-kappaB (NF-kappaB) activation plays an important role in the ABC subtype of DLBCL, whereas c-REL amplification is associated with the GCB subtype. Using immunohistoche...
Lenalidomide has been shown to produce durable responses in patients with relapsed or refractory diffuse large B cell lymphoma (DLBCL). In order to gain better understanding of the efficacy of lenalidomide and compared the difference in clinical outcome between two subtypes of DLBCL. Seven eligible trials involving 375 adult patients were included in this meta-analysis. The patients in non-germ...
Diffuse large B-cell lymphoma (DLBCL) can be divided into prognostically important subgroups with germinal center B-cell-like (GCB), activated B-cell-like (ABC), and type 3 gene expression profiles using a cDNA microarray. Tissue microarray (TMA) blocks were created from 152 cases of DLBCL, 142 of which had been successfully evaluated by cDNA microarray (75 GCB, 41 ABC, and 26 type 3). Sections...
The estimation of clinical prognosis for diffuse large B-cell lymphoma (DLBCL) with a quick, cost-efficient method is necessary because of the clinical heterogeneity of this disease, which leads to death, relapsed or refractory disease in approximately 40% of patients. We analyzed 320 cases diagnosed from 2007 to 2013 treated with R-CHOP therapy at Tokai University Hospital and associated insti...
Systemic capillary leak syndrome (SCLS) is a rare disorder with a high mortality rate, characterized by rapidly developing edema, weight gain and hypotension, hemoconcentration and hypoproteinemia. This syndrome is caused by sudden, reversible capillary hyperpermeability with a rapid extravasation of plasma from the intravascular to the interstitial space. Even though SCLS has been suggested to...
Gemcitabine, an effective agent in treatment of cancer of pancreas, has undergone failures in many instances after multiple cycles of therapy due to emergence of drug resistance. Combination of dietary compounds with clinically validated drugs has emerged as an effective therapeutic approach to treat pancreatic tumors, refractory to gemcitabine therapy. In order to optimize a possible synergist...
Diffuse large B-cell lymphoma (DLBCL) comprises 2 molecularly distinct subgroups of non-germinal center B-cell-like (non-GCB) and germinal center B-cell-like (GCB) DLBCLs, with the former showing relatively poor prognosis. In the present study, we analyzed the clinicopathological features of 39 patients with localized nasal/paranasal DLBCL. Immunohistochemistry-based subclassification revealed ...
In this study we analyzed the prognostic value of single and combined immunohistochemical markers, according to algorithms proposed by Hans et al. and Muris et al. in 66 de novo diffuse large B-cell lymphoma (DLBCL) cases. The main aim of our study was to compare usefulness of these two immunohistochemical algorithms for the subdivision of DLBCL into prognostically relevant subgroups. Cases cla...
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