永生細胞系

透过细胞突变,可以不断分裂繁殖的细胞,逃避了正常的细胞衰老,一般是癌细胞的特征。
(重定向自細胞系

永生細胞系,是指一組在多細胞生命中的细胞群,因為基因突變,已經逃避了正常的細胞衰老,而是可以繼續進行分裂,甚至無限無止境地繁殖,細胞可以在體外長時間生長。

永生細胞系,可以來自自然發生的突變,例如癌細胞。也可以出於實驗目的有意誘導。 永生細胞係是研究多細胞生物的生物化學和細胞生物學的非常重要的工具。

永生細胞系係也已用於生物技術。值得留意的是,幹細胞雖然可以不斷分裂繁殖,但不屬永生細胞系。

目前著名的永生細胞系包括海拉細胞[1][2][3][4][5][6]

參考编辑

  1. ^ Skloot R. Immortal Life of Henrietta Lacks, the. Random House. 2010 [2020-09-20]. ISBN 978-0-307-71253-0. OCLC 974000732. 
  2. ^ Maqsood MI, Matin MM, Bahrami AR, Ghasroldasht MM. Immortality of cell lines: challenges and advantages of establishment. Cell Biology International. October 2013, 37 (10): 1038–45. PMID 23723166. S2CID 14777249. doi:10.1002/cbin.10137. 
  3. ^ Skloot, Rebecca. Henrietta's Dance. Johns Hopkins Magazine. [5 April 2021]. (原始内容存档于2021-11-30). Isolation from a naturally occurring cancer. This is the original method for generating an immortalised cell line. Major examples include human HeLa, the line is derived from cervical cancer cells taken on February 8, 1951 from Henrietta Lacks, a 31-year-old African-American mother of five, who died of cancer on October 4, 1951. 
  4. ^ Henle W, Henle G. Epidemiologic aspects of Epstein-Barr virus (EBV)-associated diseases. Annals of the New York Academy of Sciences. 1980, 354: 326–31. PMID 6261650. S2CID 30025994. doi:10.1111/j.1749-6632.1980.tb27975.x. Introduction of a viral gene that partially deregulates the cell cycle (e.g., the adenovirus type 5 E1 gene was used to immortalise the HEK 293 cell line; the Epstein-Barr virus can immortalise B lymphocytes by infection 
  5. ^ Bodnar AG, Ouellette M, Frolkis M, Holt SE, Chiu CP, Morin GB, et al. Extension of life-span by introduction of telomerase into normal human cells. Science. January 1998, 279 (5349): 349–52. Bibcode:1998Sci...279..349B. PMID 9454332. doi:10.1126/science.279.5349.349.  已忽略文本“Artificial expression of key proteins required for immortality, for example telomerase which prevents degradation of chromosome ends during DNA replication in eukaryotes.” (帮助)
  6. ^ Kwakkenbos MJ, van Helden PM, Beaumont T, Spits H. Stable long-term cultures of self-renewing B cells and their applications. Immunological Reviews. March 2016, 270 (1): 65–77. PMC 4755196 . PMID 26864105. doi:10.1111/imr.12395 . Hybridoma technology, specifically used for generating immortalised antibody-producing B cell lines, where an antibody-producing B cell is fused with a myeloma (B cell cancer) cell. 

參見编辑