نتایج جستجو برای: غلظت sox
تعداد نتایج: 44271 فیلتر نتایج به سال:
How regulatory information is encoded in the genome is poorly understood and poses a challenge when studying biological processes. We demonstrate here that genomic redistribution of Oct4 by alternative partnering with Sox2 and Sox17 is a fundamental regulatory event of endodermal specification. We show that Sox17 partners with Oct4 and binds to a unique 'compressed' Sox/Oct motif that earmarks ...
Biomolecular cooperativity is of great scientific interest due to its role in biological processes. Two transcription factors (TFs), Oct-4 and Sox-2, are crucial in transcriptional regulation of embryonic stem cells. In this paper, we analyze how Oct-1 (a similar POU factor) and Sox-2, interact cooperatively at their enhancer binding sites in collective motions. Normal mode analysis (NMA) is im...
The transcription factor (TF) SOX18 drives lymphatic vessel development in both embryogenesis and tumour-induced neo-lymphangiogenesis. Genetic disruption of Sox18 in a mouse model protects from tumour metastasis and established the SOX18 protein as a molecular target. Here, we report the crystal structure of the SOX18 DNA binding high-mobility group (HMG) box bound to a DNA element regulating ...
This study investigates the effect of audit firm tenure on earnings management risk. We perform multivariate regression analyses to examine the empirical relationship between auditor tenure and the probability of earnings manipulation using Beneish’s (1999) framework. The analysis covering a five year time-period surrounding the enactment of SOX produces evidence of a negative relationship betw...
Research question/issue This paper examines how enhanced monitoring by corporate boards following the passage of Sarbanes–Oxley Act 2002 and concurrent reforms to stock exchange rules (SOX) mitigated risk-related agency conflicts prevalent in entrenched firms. findings/insights Post-SOX, firms increased risky value-enhancing investments. These investments were financed reductions financial slac...
In order to reduce the environmental smog caused by coal combustion, air pollution control devices have been widely used in coal-fired power plants, especially of wet flue gas desulfurization (WFGD) and electrostatic precipitator (WESP). this work, particulate matter with aerodynamic diameter less than 10 μm (PM10) sulfur oxides (SOx) studied a plant. The plant is equipped selective catalytic r...
To assess different effects of royal Jelly in protecting the human endothelial cells from high glucose level, human umbilical vein endothelial cells were exposed to various concentrations of royal jelly, from 0.625 to 10 mg/ml, at the presence of 5 and 30 mM glucose contents over a course of 72 h. In addition to cell viability assessment by conventional MTT assay, we also analyzed the feature o...
Purpose: Isolation, induction of neural and glial differentiation and evaluating the expression of Nucleostemin, ZFX, Hoxb-4, Sox-9 & Bmi-1 self renewal genes in adult mouse neural stem cells. Materials and Methods: Breifly, for isolation of neural stem cells, frontal part of adult mouse brain was minced in PBS and digested by enzyme solution, containing hyaloronidase and trypsin. Isolated cel...
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