Melanocytic nevi and melanoma: unraveling a complex relationship.

Melanocytic nevi and melanoma: unraveling a complex relationship.
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DOI:
10.1038/onc.2017.189
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发表时间:
2017-10-19
期刊:
影响因子:
8
通讯作者:
Bosenberg M
Bosenberg M
中科院分区:
医学1区
文献类型:
--
作者:
Damsky WE;Bosenberg M

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Approximately 33% of melanomas are derived directly from benign, melanocytic nevi. Despite this, the vast majority of melanocytic nevi, which typically form as a result of BRAFV600E-activating mutations, will never progress to melanoma. Herein, we synthesize basic scientific insights and data from mouse models with common observations from clinical practice to comprehensively review melanocytic nevus biology. In particular, we focus on the mechanisms by which growth arrest is established after BRAFV600E mutation. Means by which growth arrest can be overcome and how melanocytic nevi relate to melanoma are also considered. Finally, we present a new conceptual paradigm for understanding the growth arrest of melanocytic nevi in vivo termed stable clonal expansion. This review builds upon the canonical hypothesis of oncogene-induced senescence in growth arrest and tumor suppression in melanocytic nevi and melanoma.
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