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ºËËáÊÊÅäÌå-°©Ö¢Ñо¿µÄ·Ö×Ó¹¤¾ß ̷εãü1,2 1·Ö×Ó¿ÆÑ§Óë·Ö×ÓҽѧʵÑéÊÒ£¬»¯Ñ§ÉúÎï´«¸ÐÓë¼ÆÁ¿Ñ§¹ú¼ÒÖØµãʵÑéÊÒ£¨ºþÄÏ´óѧ£©£¬ºþÄÏ´óѧ»¯Ñ§»¯¹¤Ñ§Ôº£¬ºþÄÏ´óѧÉúÎïѧԺ£¬ºþÄÏ´óѧ·Ö×Ó¹¤³ÌÓëÕïÁÆÑ§Ðͬ´´ÐÂÖÐÐÄ£¬ºþÄÏ£¬³¤É³£¬410082 *Email: tan@chem.ufl.edu ¼²²¡±êÖ¾Îï·Ö×Ó̽ÕëµÄ·¢Õ¹ÓÐÖúÓÚ¸üÈ«ÃæµÄÁ˽⼲²¡µÄ·Ö×Ó»úÀí£¬µ«ÊÇ´ËÀà·Ö×Ó¹¤¾ßÔÚÒ½Ò©µÄÁÙ´²Ó¦ÓÃÑо¿ÖÐÒ»Ö±·Ç³£ØÑ·¦¡£×î½ü£¬¿ÆÑ§¼ÒÃÇ·¢ÏÖÁËÒ»ÖÖÐÂÐ͵ķÖ×Ó̽Õ룬³ÆÖ®ÎªºËËáÊÊÅäÌå¡£ËüÊÇÓÉDNA/RNAµ¥Á´¹¹³ÉµÄºËËá·Ö×Ó£¬¿ÉÌØÒìÐÔµØÊ¶±ðµ¥¸öµ°°×¡¢Ð¡·Ö×Ó¡£»ùÓÚ´Ë£¬ÎÒÃÇÊ×´´ÁËÒÔÍêÕûµÄϸ°ûΪɸѡ°Ð±êµÄºËËáÊÊÌåϸ°ûɸѡз½·¨£¨Cell-SELEX£©£¬¸Ã·½·¨¼òµ¥¡¢¿ìËÙ¡¢²¢¾ßÓпÉÖØ¸´ÐÔ¡£Í¨¹ýÕâÖÖɸѡ·½·¨£¬ÎÒÃǵõ½Á˶àÖÖ¼²²¡µÄºËËáÊÊÅäÌå̽Õ룬²¢½«Ö®ÓÃÓÚÉúÎïҽѧµÄÇ°ÑØÑо¿ÖУ¬°üÀ¨°©Ö¢µÄ³¬ÁéÃô¼ì²â¡¢·Ö×Ó³ÉÏñ¡¢Ò©ÎïµÄ°ÐÏòÊäËÍ£¬ÓÈÆäÊǰ©Ö¢ÉúÎï±êÖ¾ÎïµÄ·¢ÏÖ¡£ÕâЩոеķÖ×Ó¹¤¾ßΪ·Ö×ÓҽѧºÍת»¯Ò½Ñ§µÄ¸üÉîÈë·¢Õ¹½¨Á¢ÁËÒ»¸ö¸ïÃüÐԵĿÆÑ§Æ½Ì¨¡£±¾±¨¸æ½«½éÉÜÎÒÃÇÔÚºËËáÊÊÌåÑо¿ÁìÓòµÄ×îÐÂÑо¿½øÕ¹£¬ÌرðÊÇÔÚ·Ö×Ó¹¤³Ì¡¢°©Ö¢µÄÉúÎï±êÖ¾ÎÄÉÃ×ÉúÎïҽѧ¼°ÕïÁÆÑ§ÖеÄÓ¦Óᣠ¹Ø¼ü´Ê£ººËËáÊÊÅäÌ壻ÄÉÃ×ÉúÎïҽѧ£»ÉúÎïҽѧ£»Cell-SELEX£»·Ö×Ó¹¤¾ß£»°©Ö¢Ñо¿ ²Î¿¼ÎÄÏ× [1]Tan,W.; Fang, X.Aptamers Selected by Cell-SELEXfor Theranostics, Springer, March, 2015, 352 pp
The Molecular Foundation of Cancer: A Chemical Biology Approach Weihong Tan1,2 1 State Molecular Science and Biomedicine Laboratory, State Key Laboratoryof Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, and Collaborative Innovation Center for Molecular Engineering and Theronastics, Hunan University, Changsha 410082, China A full understanding of the molecular basis of diseases depends on the development of molecular probes able to recognize disease targets of interest. Until very recently, such tools have been absent from the clinical practice of medicine. The newest molecular probe, and one that holds most promise, is a new class of designer nucleic acids, termed aptamers, which are single-stranded DNA/RNA able to recognize specific targets, such as single proteins and even small molecules. Recently, we applied a simple, fast and reproducible cell-based aptamer selection strategy called Cell-SELEX which uses whole, intact cells as the target for aptamer selection. This selection processthen generates multiple aptamers for the specific recognition of biological cells, but without the need for prior knowledge about the signature of target cell-surface molecules. The selected aptamers have dissociation constants in the nanomolar to picomolar range. Thus far, we have selected aptamer probes for many different diseases, and used them to carry out studies at the vanguard of biomedical science, including ultrasensitive detection of tumors, molecular imaging, targeted drug delivery, and, most critically, cancer biomarker discovery. Taken together, these molecular level tools form a solid scientific platform from which to pursue advanced studies in molecular medicine. We will report our most recent progress in this exciting research area, especially in molecular engineering and molecular elucidation of cancer biomarkers and theranostics. |
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