نتایج جستجو برای: کشورهای mena
تعداد نتایج: 27993 فیلتر نتایج به سال:
BACKGROUND Pompe disease is a rare autosomal recessive disorder caused by a deficiency of the lysosomal enzyme alpha-glucosidase responsible for degrading glycogen. Late-onset Pompe disease has a complex multisystem phenotype characterized by a range of symptoms. METHODS An expert panel from the Middle East and North Africa (MENA) region met to create consensus-based guidelines for the diagno...
FE65 binds to the Alzheimer amyloid precursor protein (APP), but the function of this interaction has not been identified. Here, we report that APP and FE65 are involved in regulation of cell movement. APP and FE65 colocalize with actin and Mena, an Abl-associated signaling protein thought to regulate actin dynamics, in lamellipodia. APP and FE65 specifically concentrate with beta 1-integrin in...
We examine the issue of possible portfolio diversification benefits into seven Middle-Eastern and North African (MENA) stock markets. We take the standpoint of the world investor and we construct portfolios in international and local currencies based on five optimization models and two risk measures. We then compare the portfolio out-of-sample performance based on Sharpe and Sortino ratios thro...
Although the HIV pandemic is witnessing a decline in the number of new infections in most regions of the world, the Middle East and North Africa (MENA) has a rapidly growing HIV problem. While generating HIV data has been consistently increasing since 2005, MENA’s contribution to the global HIV literature is just over 1% and the existing evidence often falls behind the academic standards. Sever...
Application of DEA and SFA on the Measurement of Agricultural Technical Efficiency in MENA Countries
The purpose of this paper is to investigate the levels of technical efficiency in agricultural sector of MENA countries by using Data Envelopment Analysis (DEA) and Stochastic Frontier Analysis (SFA) approaches in 2007-2008. The results show that the total average of technical efficiency is as follows: DEABCC(0.770)>DEACCR(0.744)>SFA(0.479), and among all MENA countries, the best performanc...
این مطالعه، اثر حاکمیت قانون بر نرخ تورم را برای 16 کشور منتخب منطقه خاورمیانه و شمال آفریقا (mena) طی دوره زمانی 2012-1996 مورد بررسی قرار داده است. روابط موجود بین متغیرها در یک مدل رگرسیونی انتقال ملایم تابلویی (pstr) و با استفاده از روش حداقل مربعات غیرخطی (nls) تخمین زده میشود. نتایج حاصل از برآورد مدل، فرضیه خطی بودن را رد کرده و وجودیکتابعانتقالپیوستهبادورژیممتفاوتو اندازه آستانهای 525...
(صحت مطالب مقاله بر عهده نویسنده است و بیانگر دیدگاه مجمع تشخیص مصلحت نظام نیست) بسیاری از برنامه ریزان و سیاست گذاران توسعه ، از صنعت گردشگری به عنوان رکن اصلی توسعه پایدار یاد می کنند که می تواند با برنامه ریزی اصولی و مناسب و شناسایی فرصت ها و محدودیت های گردشگری، نقش موثری در توسعه روابط و مناسبات اقتصادی و در نتیجه توسعه ملی و منطقهای و تنوع بخشی به اقتصاد ملی و منطقهای، بر عهده داشته ...
f rom the viewpoint of economic theories, total factor productivity (tfp) is the most important component that leads to economic growth and development. the main purpose of this study was to evaluate the impact of knowledge-based economy on total factor productivity in the member countries of the middle east and north africa (mena) region. for this purpose, the panel data regression analysis ha...
Most studies that examine CO2-neutral, or near power systems by using energy system models investigate Europe the United States, while similar for other regions are rare. In this paper, we focus on Middle East and North Africa (MENA), where weather conditions differ substantially from those in Europe. We use a green-field linear capacity expansion model with over-night investment to assess effe...
Mammarian enabled (Mena), a member of the Enabled (Ena)/Vasodilator-stimulated phosphoprotein (VASP) family of proteins, has been implicated in cell motility through regulation of the actin cytoskeleton assembly, including lamellipodial protrusion. Rac1, a member of the Rho family GTPases, also plays a pivotal role in the formation of lamellipodia. Here we report that human Mena (hMena) colocal...
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