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- Title
Human melanocyte senescence and melanoma susceptibility genes.
- Authors
Bennett, Dorothy C
- Abstract
The molecular mechanisms and biology of cellular senescence in human melanocytes are discussed, including similarities to and differences from senescence in fibroblasts and other cell lineages. Special reference is made to the fact that the known melanoma susceptibility genes in the human, Inhibitor A of [cyclin-dependent] kinase 4-alternative reading frame (INK4A-ARF) and cyclin-dependent kinase 4, are involved in the regulation of cellular senescence, and possible reasons why this should be so. Based on the evidence including growth and survival kinetics of human and mouse melanocytes carrying germline deficiencies in the INK4A sequence, it is suggested that an 'M0' or p16/RB-dependent form of senescence may be particularly important in melanocytes. A speculative model is proposed, relating current concepts of early melanoma progression to the processes of cellular senescence and immortalization. This includes the suggestion that moles or nevi are senescent clones of melanocytes.Oncogene (2003) 22, 3063-3069. doi:10.1038/sj.onc.1206446
- Subjects
MELANOCYTES; MELANOMA; CELLS; BIOLOGY; GENETICS
- Publication
Oncogene, 2003, Vol 22, Issue 20, p3063
- ISSN
0950-9232
- Publication type
Article
- DOI
10.1038/sj.onc.1206446