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Oxidants, antioxidants and the current incurability of metastatic cancers

1. Summary
¸ÅÊö

2. Molecular pathways to cancer as revealed through DNA sequencing
ͨ¹ýDNAÐòÁнÒÃØ°©Ö¢Ï¸°ûÐźÅͨ·

3. Epithelial-to-mesenchymal transitions are a consequence of changes in transcriptional regulation
ÉÏÆ¤-¼äÖÊϸ°ûתÐÍÊÇת¼µ÷½Ú¸Ä±äµÄ½á¹û

4. IL6-like cytokines drive mesenchymal cells to commence cell proliferation
IL-6Ñùϸ°ûÒò×ÓÇý¶¯¼äÖÊϸ°ûÔöÖ³

5. The gene transcription activator Myc allows cells to move through the cell cycle
»ùÒòת¼¼¤»î×ÓMyc´Ùʹϸ°ûÀ뿪Õý³£ÉúÃüÖÜÆÚ

6. Bromodomain 4 proteins play essential roles in maintaining the Myc levels necessary for leukaemic cell growth and division
äå½á¹¹Óòµ°°×4£¨BRD4£©ÔÚά³ÖMycˮƽ£¬±£Ö¤Ñª°©Ï¸°ûÉú³¤Óë·ÖÁÑ·½ÃæÆðÖØÒª×÷ÓÃ

7. Mycis turned on through multiple molecular pathways
¶àÌõÐźÅͨ·¿ÉÒÔ¼¤»îMyc

8. Detecting key cancer cell vulnerabilities through RNAi screens
ͨ¹ýRNAiɸѡ·¢ÏÖ°©Ï¸°ûÈõµã

9. BRD4 functioning is vital not only for fast-growing leukaemias but also for many, if not most, dangerous lymphomas and myelomas
BRD4²»½öÊÇѪ°©Ï¸°û¿ìËÙÉú³¤µÄ¹Ø¼ü£¬¶øÇÒÒ²ÊÇÑÏÖØÁܰÍÁö¡¢¹ÇËèÁöµÄ¹Ø¼üµã

10. The circadian rhythm regulator (PER2) by negatively regulating Myc levels functions as an important tumour suppressor
ÖçÒ¹½ÚÂɵ÷½Ú×Ó£¨PER2£©Í¨¹ý¸ºµ÷¿ØMycˮƽ¶øÒÖÖÆÖ×Áö

11. High-Myc-driven, fast proliferating cells possess cell cycle vulnerabilities
¸ßˮƽMycÇý¶¯µÄϸ°ûÔöÖ³ÔÚϸ°ûÖÜÆÚÉÏ´æÔÚÈõµã

12. Selectively killing cancer cells through exploiting cancer-specific metabolic and oxidative weaknesses
ÀûÓð©Ï¸°ûÌØÒìÐԵĴúлºÍÑõ»¯Èõµã£¬Ñ¡ÔñÐÔɱËÀ°©Ï¸°û

13. Preferential cancer cell killing by apoptosis reflects high p53 levels
°©Ï¸°ûµòÍö·´Ó³¸ßµÄˮƽp53

14. P53 induces apoptosis by turning on the synthesis of genes whose primary function is the synthesis of reactive oxygen species
P53ͨ¹ý¼¤»î»îÐÔÑõ×ÔÓÉ»ùÏà¹Ø»ùÒòµÄºÏ³É¶øÓÕµ¼Ï¸°ûµòÍö

15. Leakage from drug-impaired mitochondrial electron transport chains raises reactive oxygen species levels
Ò©Îï×è¶ÏÏßÁ£Ìåµç×Ó´«µÝÁ´ÒýÆðϸ°ûÄÚ»îÐÔÑõ×ÔÓÉ»ùµÄÉý¸ß

16. Reactive oxygen species may directly induce most apoptosis
»îÐÔÑõ×ÔÓÉ»ùÖ±½ÓÓÕµ¼´ó¶àÊýϸ°ûµòÍö

17. Blockage of reactive-oxygen-species-driven apoptosis by antioxidants
¿¹Ñõ»¯¼ÁÄÜ×è¶Ï»îÐÔÑõ×ÔÓÉ»ùÇý¶¯µÄϸ°ûµòÍö

18. Enhancing apoptotic killing using pre-existing drugs that lower antioxidant levels
ÅøËªÄܽµµÍ¿¹Ñõ»¯¼Áˮƽ¶øÔöǿϸ°ûµòÍö×Ôɱ

19. Anti-angiogenic drugs work only when used in conjunction with reactive oxygen species generators
¿¹Ñª¹ÜÉú³ÉÒ©ÎïÖ»ÓÐÓë»îÐÔÑõ×ÔÓÉ»ù²úÉú¼ÁÁ¬ÓòÅÓÐЧ

20. Lower reactive oxygen species levels in stem cells reflect higher levels of antioxidants
¸Éϸ°ûÖлîÐÔÑõ×ÔÓÉ»ùˮƽºÜµÍ£¬¶ø¿¹Ñõ»¯¼ÁˮƽºÜ¸ß

21. Metformin selectively targets (kills) mesenchymal cancer stem cells
¶þ¼×Ë«ëÒÄÜÑ¡ÔñÐÔɱËÀ¼äÖʰ©¸Éϸ°û

22. Free-radical-destroying antioxidative nutritional supplements may have caused more cancers than they have prevented
ÓÐ×ÔÓÉ»ùÇå³ý×÷ÓõĿ¹Ñõ»¯ÓªÑø²¹³ä¼Á¿ÉÄÜÓÕµ¼°©Ö¢

23. A much faster timetable for developing anti-metastatic drugs
ÎÒÃÇÆÈÇÐÐèÒª¿¹Ö×Áö×ªÒÆÒ©Îï

24. A billion dollars should suffice to identify all the remaining proteins needed for curing most metastatic cancer
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  • 2013-01-13 19:19:09, 460.4 K

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