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本帖最后由 细胞海洋 于 2010-5-5 18:25 编辑 ; |1 i+ ~; P/ ^# F; E
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李锦军,顾健人*4 R+ ~% X9 m0 }2 a6 J
(上海交通大学上海市肿瘤研究所癌基因及相关基因国家重点实验室,上海200032)
3 o! ~! l- J8 q5 _" b摘 要:关于肿瘤发生及发展的机制人们已探索多年,但由于肿瘤病因本身的复杂性、研究技术和知
6 i [; e% ^) [ j5 d9 x( W识积累不足等各种原因,研究进展缓慢。近些年来,癌干细胞的发现、确认和特性研究为肿瘤发病1 o) z* m8 s* P3 u/ q M* D) b( f
机制的揭示,乃至新型高效治疗策略的制定提出了新线索。许多研究成果显示,癌干细胞因具有自我
) `# ]2 Y9 {# L: r) C7 R更新和潜在的强增殖能力,在肿瘤发生发展、复发转移中均发挥着很重要的作用;肿瘤化疗的失败与! U: U- a4 W, R2 c+ c
肿瘤组织中癌干细胞的耐药性可能存在密切关系。本文就癌干细胞在这方面的研究进展及存在的问题作
4 v$ x) G+ ^- w# m* s/ a一综述。4 T2 h; c9 A2 w1 E
关键词:干细胞;癌干细胞;自我更新;耐药性;肿瘤发生
$ w8 {: B( W5 ?. h中图分类号:R730.21; R730.231 文献标识码:A
# Q0 V# ?: h/ R2 U3 ?Recent progress in research on cancer stem cells$ g8 C1 r$ P. f1 L
LI Jin-Jun, GU Jian-Ren*" F% b& { K0 J' X# g- c
(State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, C. N; q- O H: v
Shanghai Jiaotong University, Shanghai 200032, China)
9 e0 L6 L5 L2 v2 T1 TAbstract: Mechanism of carcinogenecity and cancer progression has been explored for decades, however it is
G( z3 K4 C7 j; @; W% T! w' hstill unclear because of the complexity of carcinogenesis progress, the limited techniques, and lack of
/ g2 g7 G3 [3 a! g* uknowledgements. Recently, cancer stem cells from several types of tumors were isolated, identified and preliminarily$ q, u. ?, e6 q2 I
characterized, which might provide a novel clue for explanation of tumorigenesis and establishment of# \, r* e7 F6 T9 u! U
novel strategy of effective chemotherapy. Many reports have suggested that cancer stem cells possessed the
' b1 Z8 R4 O0 wproperties of self-renewal, strong potentials of proliferation, which might play important roles in progression,
. k9 Y* U: V5 crecurrence and metastasis of cancer. Meanwhile, chemotherapeutic failure may be associated with the drug9 a: H" N* W X
resistance of cancer stem cells. This review described the recent progress in cancer stem cell research as well as' X) L; p3 g6 p9 I5 A: b
many problems that remained to be solved.
0 Y& H7 L& S% c& l0 O3 Z( o# ^, ?Key words: stem cell; cancer stem cell; self-renewal; drug resistance; tumorigenesis
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