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Introduction • System should be applicable in routine microsurgery. • System should be maneuverable in the deep & narrow surgical field. • Relatively wide range of motion at the depth should be equipped. • Secure procedure need to be performed. To remove a tumor Forceps Normal brain tissue In the neurosurgery, • Surgeon has to perform a precise(More)
Peptide substrates sensitive for a certain protein kinase could be important for new-drug development and to understand the mechanism of diseases. Rho-associated kinase (Rho-kinase/ROCK) is a serine/threonine kinase, and plays an important part in cardiovascular disease, migration and invasion of tumor cells, and in neurological disorders. The purpose of(More)
Matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF-MS) is frequently used to monitor phosphorylated peptides or protein kinase activities. However, few reports have compared a radioactivity assay with MALDI-TOF-MS analysis. We analyzed the phosphorylation ratios of 23 peptide substrates for G protein-coupled receptor(More)
OBJECT To enhance the surgeon's dexterity and maneuverability in the deep surgical field, the authors developed a master-slave microsurgical robotic system. This concept and the results of preliminary experiments are reported in this paper. METHODS The system has a master control unit, which conveys motion commands in six degrees of freedom (X, Y, and Z(More)
Genetic alterations of Ikaros family zinc finger protein 1 (IKZF1), point mutations in Janus kinase 2 (JAK2), and overexpression of cytokine receptor-like factor 2 (CRLF2) were recently reported to be associated with poor outcomes in pediatric B-cell precursor (BCP)-ALL. Herein, we conducted genetic analyses of IKZF1 deletion, point mutation of JAK2 exon(More)
P-glycoprotein (Pgp) is a 170-kDa transmembrane protein that mediates the efflux of anticancer drugs from cells. Pgp overexpression has a distinct role in cells exhibiting multidrug resistance (MDR). We examined reversal of drug resistance in human MDR breast cancer cells by inhibition of protein kinase Cα (PKCα) activity, which is associated with(More)
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