期刊
CELL RESEARCH
卷 17, 期 12, 页码 976-984出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/cr.2007.101
关键词
apoptosis; Bcl-2 proteins; anoikis; mitochondria; BH3-only proteins
类别
资金
- Wellcome Trust Funding Source: Medline
- Breast Cancer Now [2005NOV27] Funding Source: Medline
Most defective and unwanted cells die by apoptosis, an exquisitely controlled genetic programme for removing such cells without damaging the surrounding tissue. Once a cell has committed to apoptosis, the process is remarkably efficient, and is completed within a few minutes of initiation. This point of no return for an apoptotic cell is commonly held to be the point at which the outer mitochondrial membrane is permeabilised, a process regulated by the Bcl-2 family of proteins. How these proteins regulate this decision point is central to diseases such as cancer where apoptotic control is lost. In this review, we will discuss apoptotic signalling and how a cell makes the irreversible decision to die. We will focus on one set of survival signals, those derived by cell adhesion to the extracellular matrix (ECM), and use these to highlight the complexities of apoptotic signalling. In particular, we will illustrate how multiple signalling pathways converge to determine critical cell fate decisions.
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