نتایج جستجو برای: ie the proto
تعداد نتایج: 16054750 فیلتر نتایج به سال:
The human lbc oncogene product is a guanine nucleotide exchange factor that specifically activates the Rho small GTP binding protein, thus resulting in biologically active, GTP-bound Rho, which in turn mediates actin cytoskeletal reorganization, gene transcription, and entry into the mitotic S phase. In order to elucidate the mechanism of onco-Lbc transformation, here we report that while proto...
background and aims. various morphologies are seen in different salivary gland tumorsor within an individual tumor, and the lesions show divers biological behaviors. experimental results support the hypothesis that increased crkii proto-oncogene is associated with cytokine-induced tumor initiation and progression by altering cell motility signaling pathway. the aim of this study was to assess t...
Authenti ation Proto ols Matthias Krause and Dirk Stegemann Theoreti al Computer S ien e University of Mannheim Mannheim, Germany Abstra t. The limited omputational resour es available on RFID tags imply a need for spe ially designed authenti ation proto ols. The light weight authenti ation proto ol HB+ proposed by Juels and Weis seems urrently se ure for several RFID appli ations, but is too s...
A series of simulation studies (Ono & Ikegami 1999; 2001) show that a proto cell spontaneously emerges from a chemical soup by acquiring membrane structures. In 2-dimensional space, the emergence of proto cells is followed by the reproduction of cells. A major unsolved problem is the evolution of proto cells; how the proto cells evolve into modern cells with higher functionalities. Here we exam...
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