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In a dense WLAN environment, the signal coverage area of each access point (AP) typically has significant overlap with that of the neighboring APs. This is a problem if there are limited frequency channels. This paper presents an algorithm that can improve per-user throughput significantly, particularly for nonuniform traffic conditions. It is based on a(More)
MicroRNAs are small endogenous noncoding RNAs, which modulate target gene expression by binding with target mRNA sequences in the 3'untranslated region (UTR) with an imperfect complementarity that inhibits the mRNA translation. Many microRNAs have been reported to function as tumor oncogenes or anti-oncogenes. Recently, more and more microRNAs have been(More)
BACKGROUND Invasion growth is the most characteristic biological phenotype of glioblastoma, but the molecular mechanism in glioma cell invasion is poorly understood. Recent data have showed that microRNA plays an essential role in tumor invasion. Our study aimed to explore the mechanism of miR-7 involved in the control of glioblastoma cell invasion. (More)
Ectopic expression of c-Myc (Myc) in most primary cell types results in programmed cell death, and malignant transformation cannot occur without additional mutations that block apoptosis. The development of Myc-induced lymphoid tumors has been well studied and supports this model. Myc can be upregulated in acute myeloid leukemia (AML), but its exact role in(More)
Scleroderma (systemic sclerosis, SSc) is a complex autoimmune disease caused by progressive fibrotic replacement of normal tissue architecture, a progressive and ultimately fatal process that currently has no cure. Although dysregulation of microRNAs (miRNAs) is known to be involved in a variety of pathophysiologic processes, the role of miRNAs in SSc is(More)
BACKGROUND Altered expression of micro(mi)RNAs has been shown to be associated with tumorigenesis and tumor progression. The expression of phosphatase and tensin homolog (PTEN) plays an important role in glioma and is regarded as a prognostic marker of glioma patients. The goal of this study was to investigate the function of lethal (let)-7a miRNA in glioma(More)
Microbial lipid, as a raw material for biodiesel, can be produced by Rhodotorula glutinis with the monosodium glutamate (MSG) wastewater. The effect of adding glucose to MSG wastewater on lipid production was studied in this paper. Three different strategies, including initial addition, fed-batch addition and glucose feedback addition were attempted. The(More)
Expression of the constitutively activated TEL/PDGFbetaR fusion protein is associated with the t(5;12)(q33;p13) chromosomal translocation found in a subset of patients with chronic myelomonocytic leukemia. TEL/PDGFbetaR activates multiple signal transduction pathways in cell-culture systems, and expression of the TEL-PDGFRB fusion gene induces(More)
OBJECTIVE To study the effects of Lycium barbarum polysaccharide (LBP) on tumor microenvironment T-lymphocyte subsets and dendritic cells in H22-bearing mice and the mechanisms for intervention of tumor immune escape by LBP. METHODS H22-bearing mice were given LBP orally for two weeks. T-lymphocyte subsets and the phenotypes of dendritic cells in(More)