نتایج جستجو برای: itd

تعداد نتایج: 1873  

جوادی, غلامرضا, ذاکر, فرهاد, رزم خواه, فرناز, شیخی, مریم, هاشمی, مهرداد,

سابقه و هدف: جهش ژن flt3 (گیرنده تیروزین کینازی شبه) FMS باعث تکثیر بدون کنترل سلول های لوسمیک شده و پیش آگهی بدی را به همراه دارد. هدف ما از این مطالعه اجرایی کردن آزمایشات مولکولی برای تشخیص و غربالگری این جهش ها در مبتلایان لوسمی های حاد بود.روش بررسی: در این مطالعه بنیادی، 91 کودک مبتلا به لوسمی های حاد میلوئیدی (AML) و لنفوئیدی (ALL) از نظر جهش در ژن flt3 شامل وجود جهش ITD (Internal Tandem...

2013
M Kesarwani E Huber M Azam

Activating mutations in FLT3 (Fms-like tyrosine kinase 3) by internal tandem duplication (ITD) mutations are found in approximately 30% of patients with acute myeloid leukemia (AML) and are associated with poor outcome in this patient population. Numerous FLT3 inhibitors have been tested for the treatment of AML, but these inhibitors have shown variable responses that were attributed to heterog...

Journal: :The Journal of the Acoustical Society of America 2010
Brad Rakerd William M Hartmann

Binaural recordings of noise in rooms were used to determine the relationship between binaural coherence and the effectiveness of the interaural time difference (ITD) as a cue for human sound localization. Experiments showed a strong, monotonic relationship between the coherence and a listener's ability to discriminate values of ITD. The relationship was found to be independent of other, widely...

2011
V. Kankare M. Holopainen X. Yu J. Hyyppä H. Hyyppä

In this study we searched the obtainable accuracy of forest inventory based on the individual tree detection (ITD) by using fusion of automatic ITD (ITDauto) and visual interpretation of laser point clouds. Current ITD algorithms, mostly based on segmentation of canopy height models (CHMs), are not able to utilize the whole information included in three-dimensional point clouds. We hypothesized...

Journal: :Brain, behavior and evolution 2015
Nicolas Palanca-Castan Christine Köppl

Localization of sound sources relies on 2 main binaural cues: interaural time differences (ITD) and interaural level differences. ITD computing is first carried out in tonotopically organized areas of the brainstem nucleus laminaris (NL) in birds and the medial superior olive (MSO) in mammals. The specific way in which ITD are derived was long assumed to conform to a delay line model in which a...

2012
Kristin Pietschmann Hella Anna Bolck Marc Buchwald Steffi Spielberg Harald Polzer Karsten Spiekermann Gesine Bug Thorsten Heinzel

Activatingmutations of the class III receptor tyrosinekinase FLT3are themost frequentmolecular aberration in acutemyeloid leukemia (AML).Mutant FLT3 accelerates proliferation, suppresses apoptosis, and correlates with poor prognosis. Therefore, it is a promising therapeutic target. Here, we show that RNA interference against FLT3with an internal tandemduplication (FLT3-ITD)potentiates the effic...

2018
G Christopher Stecker

Simultaneity judgments were used to measure temporal binding windows (TBW) for brief binaural events (changes in interaural time and/or level differences [ITD and ILD]) and test the hypothesis that ITD and ILD contribute to perception via separate sensory dimensions subject to binding via slow (100+ ms)-presumably cortical-mechanisms as in multisensory TBW. Stimuli were continuous low-frequency...

Journal: :Biochemical Pharmacology 2021

• Structural aspects of the FLT3 receptor in signalling. Clonal evolution mutants. Recurrent mutations and its regulation signalling cascade drug therapy. Acute myelogenous leukaemia (AML) is an aggressive blood cancer characterized by rapid proliferation immature myeloid blast cells, resulting a high mortality rate. The 5-year overall survival rate for AML patients approximately 25%. Circa 35%...

Journal: :Blood 2004
Mark Levis Rosalyn Pham B Douglas Smith Donald Small

Patients with acute myeloid leukemia (AML) harboring internal tandem duplication mutations of the FLT3 receptor (FLT3/ITD mutations) have a poor prognosis compared to patients lacking such mutations. Incorporation of FLT3 inhibitors into existing chemotherapeutic regimens has the potential to improve clinical outcomes in this high-risk group of patients. CEP-701, an indolocarbazole-derived sele...

2009
Brian J. Fischer Charles H. Anderson José Luis Peña

A multiplicative combination of tuning to interaural time difference (ITD) and interaural level difference (ILD) contributes to the generation of spatially selective auditory neurons in the owl's midbrain. Previous analyses of multiplicative responses in the owl have not taken into consideration the frequency-dependence of ITD and ILD cues that occur under natural listening conditions. Here, we...

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