نتایج جستجو برای: مدل همبستگی شرطی پویا dcc صنایع بورسی
تعداد نتایج: 188260 فیلتر نتایج به سال:
Dosage compensation is a specialized form of gene regulation that balances sex-chromosome linked gene expression between the sexes. In C. elegans, dosage compensation is achieved by the activity of the dosage compensation complex (DCC). The DCC binds along both X chromosomes in hermaphrodites to down-regulate gene expression by half, limiting X-linked gene products to levels produced in XO male...
BACKGROUND Gastrointestinal and respiratory diseases are major causes of morbidity for young children, particularly for those children attending child day care centers (DCCs). Although both diseases are presumed to cause considerable societal costs for care and treatment of illness, the extent of these costs, and the difference of these costs between children that do and do not attend such cent...
Dosage compensation in Drosophila melanogaster involves the assembly of the MSL-2-containing dosage compensation complex (DCC) on the single X chromosome of male flies. Translational repression of msl-2 mRNA blocks this process in females. Previous work indicated that the ubiquitous protein Upstream of N-ras (UNR) is a necessary co-factor for msl-2 repression in vitro. Here, we explore the func...
Based on simulated reflectance, deep convective clouds (DCC) can be used as an invariant target to monitor the radiometric response degradation of the FY-3A/MERSI (Medium Resolution Spectral Imager) reflective solar bands (RSBs). The long-term response of the MERSI RSBs can easily be predicted using a quadratic fit of the monthly DCC mean reflectance, except for bands 6 and 7, which suffer from...
یکی از تأثیرگذارترین فاکتورها برای انجام هر تحقیق آزمایشی در علوم مختلف تعیین اندازهی نمونهی لازم برای موضوع مورد مطالعه است. از نقطه نظر آماری، تعیین اندازهی نمونهی بهینه علاوه بر وابستگی به توان آماری، ضریب اطمینان، اندازهی اثر و توابع هزینه به ماهیت دادههای مورد مطالعه نیز مربوط میشود. اگر دادههای مورد مطالعه دارای ساختار همبستگی درونگروهی باشند یک مدل آماری مناسب برای آنها مدلهای...
Tse and Zdancewic have formalized the notion of noninterference for Abadi et al.’s DCC in terms of logical relations and given a proof of noninterference by reduction to parametricity of System F. Unfortunately, their proof contains errors in a key lemma that their translation from DCC to System F preserves the logical relations defined for both calculi. In fact, we have found a counterexample ...
Paranodal axoglial junctions are critical for maintaining the segregation of axonal domains along myelinated axons; however, the proteins required to organize and maintain this structure are not fully understood. Netrin-1 and its receptor Deleted in Colorectal Cancer (DCC) are proteins enriched at paranodes that are expressed by neurons and oligodendrocytes. To identify the specific function of...
The deleted in colorectal cancer (DCC) gene encodes a neural cell adhesion family molecule that was originally identified as a candidate tumor suppressor target of 18q allelic loss in colorectal cancer. However, the importance of the DCC protein has been most clearly demonstrated in neural development. Mutational and subsequent biochemical studies in C. elegans, Drosophila and vertebrates have ...
The cells expressing the T674I point mutant of FIP1-like-1-platelet-derived growth factor receptor alpha (FIP1L1-PDGFRα) in hypereosinophilics syndrome (HES) are resistant to imatinib and some second-generation tyrosine kinase inhibitors (TKIs). There is a desperate need to develop therapy to combat this acquired drug resistance. DCC-2036 has been synthesized as a third-generation TKI to combat...
The growth and guidance of many axons in the developing nervous system require Netrin-mediated activation of Deleted in Colorectal Cancer (DCC) and other still unknown signaling cues. Commissural axon guidance defects are more severe in DCC mutant mice than Netrin-1 mutant mice, suggesting additional DCC activating signals besides Netrin-1 are involved in proper axon growth. Here we report that...
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