نتایج جستجو برای: initiation test
تعداد نتایج: 902088 فیلتر نتایج به سال:
BACKGROUND U.S. cancer screening guidelines communicate important information regarding the ages for which screening tests are appropriate. Little attention has been given to whether breast, colorectal and prostate cancer screening test use is responsive to guideline age information regarding the age of screening initiation. METHODS The 2006 Behavioral Risk Factor Social Survey and the 2003 N...
BACKGROUND Substantial gaps remain in understanding the trade-offs between the costs and benefits of choosing alternative human immunodeficiency virus (HIV) prevention strategies, including test-and-treat (expanded HIV testing combined with immediate treatment) and PrEP (initiation of preexposure prophylaxis by high-risk uninfected individuals) strategies. METHODS We develop a mathematical ...
This study aimed to explore the executive function of healthy elderly Chinese people. A sample of 58 healthy Chinese aged 60 and over was recruited from Guangzhou in China. They were divided into two age groups, a younger age group (aged 60-70) and an older age group (aged over 70). Executive function was measured by a battery of seven tests which were assumed to capture specific components of ...
The formation of the translation initiation complex represents the rate-limiting step in protein synthesis. Translation initiation in the crenarchaeon Sulfolobus solfataricus depends on several translation IFs (initiation factors), some of which have eukaryal but no bacterial counterparts. In the present paper, we review the current knowledge of the structure, function and evolution of the IFs ...
Both the process and synthesis of factors required for protein synthesis (or translation) account for a large proportion of cellular activity. In eukaryotes, the most complex and highly regulated phase of protein synthesis is that of initiation. For instance, across eukaryotes, at least 12 factors containing 22 or more proteins are involved, and there are several regulated steps. Recently, the ...
Background and Aim: One of the proposed ways for enhancement of labor induction is administration of corticosteroids. Although animal studies have shown the importance of cortisole in the initiation of labor, the role of corticosteroids in enhancement of labor process is still uncertainThe aim of the present study was to determine the effects of intramuscular dexamethasone on labor duration...
The modifying effects of dietary administration of the citrus limonoids obacunone and limonin on azoxymethane (AOM)-induced colon tumorigenesis were investigated in two experiments in male F344 rats. In a pilot study, we examined the modifying effects of obacunone and limonin on AOM-induced (20 mg/kg body wt, once a week for 2 weeks) formation of aberrant crypt foci (ACF). Dietary feeding of bo...
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