Mahmoud Ali Ahmed

Learn More
The genes Phf5a and Phf5b-ps are the first two members of a novel murine multigene family that is highly conserved during evolution and belongs to the superfamily of PHD-finger genes. The Phf5 gene family contains an active locus on mouse chromosome 15, region E and several processed pseudogenes on different chromosomes. The active locus, Phf5a, is(More)
In an attempt to elucidate the potential of premeiotic male germ cells to malignant transformation both the invasiveness and the differential gene expression of several putative tumor markers of the spermatogonia-derived cell line GC-1spg and the spermatocyte-derived cell line GC-4spc were analyzed. Studies, using RT-PCR analysis, of the expression pattern(More)
The problem of the parameterization of data points in NURBS curve/surface has been considered by amount of researchers. In this study, a new parameterization method considered as hybrid parameterization method is proposed. Like universal method, this method uses the property of ¿at each span index, there is exactly one maximum value of the rational B-spline(More)
3T3-L1 preadipocytes undergo adipogenesis in response to treatment with dexamethaxone, 1-methyl-3-isobutylxanthine, and insulin (DMI) through activation of several adipogenic transcription factors. Many autophagy-related proteins are also highly activated in the earlier stages of adipogenesis, and the LC3 conjugation system is required for formation of(More)
Accident forecasting is designed to help decision making and planning before loss occur; a new method of combination forecasting applied in traffic accident is showed in this paper. It is based on the rough sets theory, and the weighting coefficient of all the forecast models, so the result of forecasting will be more precise. Based on the mean relative(More)
Solid Oxide Fuel Cell (SOFC) is preferred for its high efficiency and stability and its low emission and cost. The current work investigate, numerically, the performance of the helical and serpentine channel designs, commonly used with Proton Exchange Membrane (PEM). A comprehensive 3D CFD numerical model is developed, using Fluent 14.5.7. The model is then(More)
Transgenic mice were produced by microinjection of a partial hepatitis C virus (HCV) genome sequence including the structural protein region, under the control of the albumin promoter and enhancer into fertilized eggs of C57BL/6 and BDF1 mice. Three founders carrying at least five copies of the transgene but not expressing HCV-specific RNA were generated.(More)
In this paper, the problem of reducing control points for surface reconstruction is addressed. A new parameterization method considered as hybrid method for NURBS surface is presented. This method allows multiple knots, and very close domain knots. The proposed method and another three conventional methods (uniform, cord length and centripetal) are applied(More)
  • 1