細胞增殖
外觀
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Cell_proliferation.jpg/220px-Cell_proliferation.jpg)
細胞增殖是指細胞生長和分裂成兩個子細胞的過程[1][2][3][4]。細胞增殖使細胞數量成倍增加,因此它是組織生長的快速機制。細胞增殖要求細胞生長和細胞分裂同時發生,以使細胞的平均大小保持不變。細胞增殖與細胞生長或細胞分裂不同的是,細胞分裂時可以不發生細胞生長,這樣會生成許多小細胞(如卵裂),而細胞生長可以不發生細胞分裂,因而會產生單個較大的細胞(如神經元的生長)[5]。細胞總數由細胞增殖率減去細胞死亡率所決定。
參考
[編輯]- ^ Conlon, Ian; Raff, Martin. Size Control in Animal Development. Cell. 1999, 96 (2): 235–244. ISSN 0092-8674. PMID 9988218. doi:10.1016/S0092-8674(00)80563-2.
- ^ Grewal, Savraj S; Edgar, Bruce A. Controlling cell division in yeast and animals: does size matter?. Journal of Biology. 2003, 2 (1): 5. ISSN 1475-4924. PMID 12733996. doi:10.1186/1475-4924-2-5.
- ^ Neufeld, Thomas P; de la Cruz, Aida Flor A; Johnston, Laura A; Edgar, Bruce A. Coordination of Growth and Cell Division in the Drosophila Wing. Cell. 1998, 93 (7): 1183–1193. ISSN 0092-8674. PMID 9657151. doi:10.1016/S0092-8674(00)81462-2.
- ^ Thompson, Barry J. Developmental control of cell growth and division in Drosophila. Current Opinion in Cell Biology. 2010, 22 (6): 788–794. PMID 20833011. doi:10.1016/j.ceb.2010.08.018.
- ^ Saucedo, L. Why size matters: altering cell size. Current Opinion in Genetics & Development. 2002, 12 (5): 565–571. ISSN 0959-437X. PMID 12200162. doi:10.1016/S0959-437X(02)00341-6.