Gefitinib is protein tyrosine kinase inhibitor of a selective EGFR, can block the signal transduction pathway of tyrosine protein kinase, and then promote tumor cell apoptosis.
吉非替尼为一种选择性的EGFR一蛋白酪氨酸激酶抑制剂，能阻断酪氨酸蛋白激酶信号传导通路，从而促进肿瘤细胞凋亡。
CONCLUSION: CD117 can be regard as the related tumor antigen of MM, and may be a valuable marker in the use of tyrosine kinase selective inhibitors, which inhibit the signal conduct to the target.
结论CD 117可作为MM的肿瘤相关抗原，也可作为靶向信号转导抑制剂酪氨酸激酶选择性抑制剂应用的有价值的标志。
Objective To evaluate the inhibiting effect of selective and non-selective cyclo-oxygenase-2(COX-2) inhibitor on growth of colon cancer cell lines in vitro and its signal transduction pathway.
目的探讨选择性及非选择性环氧合酶-2抑制剂（COX-2）对体外培养的结肠癌细胞生长的影响及其作用的信号传导通路。
The selective leakage protective system can give out alarming signal or cut off the fault branches selectively when the leakage fault happens, and the non-fault branches are working normally.
选择性漏电保护是指当电网发生漏电故障时，能够有选择地发出故障信号或切断故障支路电源，而非故障部分继续工作。
The performance of QPSK signal transmitted through nonlinear mobile satellite channel is analyzed based on presumed frequency non-selective fading.
在平坦衰落假设基础上，分析了QPS K信号通过移动卫星信道的非线性性能。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
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