Tzu-Sen Yang
	
					    												School of Dental Technology, 
250 Wu-Hsing Street, Taipei City, 110
People's Republic of China						                            
                            
						
 Research Article
												Probing Real-Time Response to Multitargeted Tyrosine Kinase Inhibitor 4-N-(3′-Bromo-Phenyl) Amino-6, 7-Dimethoxyquinazoline in Single Living Cells Using Biofuntionalized Quantum Dots 						
Author(s): May-Show Chen, Chia-Yeh Liu, Wei-Ting Wang, Chien-Ting Hsu, Chih-Ming Cheng, Jing-Shin Tsai, Keng-Liang Ou and Tzu-Sen YangMay-Show Chen, Chia-Yeh Liu, Wei-Ting Wang, Chien-Ting Hsu, Chih-Ming Cheng, Jing-Shin Tsai, Keng-Liang Ou and Tzu-Sen Yang             
						
												
				 Recently,  the   quinazolinederivative,  4- N -(3′-bromo-phenyl)  amino-6,  7-dimethoxyquinazoline  (PD153035),   has  been reported not only to  inhibit the  epidermal growth factor receptor (EGFR) tyrosine kinase  but also  to bind to DNA  double helical structures by intercalation . However, several important pharmacology issues such as  whether PD153035  is a specific and reversible inhibitor of the EGFR tyrosine kinase  should be addressed in more detail. In this study, we  propose a nanotechnology-based approach to monitoring the  real-time  EGF-EGFR complex trafficking process and its  relationship to cytoskeleton, as well as spatio-temporal cellular response to PD153035 at the single-cell level.  W e utilize  the  biofunctionalized  quntum  dots  (QDs)  conjugated  with  EGF  to  monitor  the  cellular  distribution  of  QD-EGF-EGFR  complexes, which can  provide a more .. View More»
				  
												DOI:
												 10.4172/2157-7439.1000117