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Fukunaga-Kalabis, M.* ; Heppt, M.* ; Wang, J.* ; Hristova, D.* ; Wei, Z.* ; Irmler, M. ; Berking, C.* ; Besch, R. ; Beckers, J. ; Rauscher, F.J.* ; Fisher, D.E.* ; Herlyn, M.*

MSX1-induced neural crest-like reprograming promotes melanoma progression.

J. Invest. Dermatol. 135, S111 (2015)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Melanoma cells share many biological properties with neural crest cells. Here, we show that the homeodomain transcription factor Msh homeobox 1 (MSX1), which is essential for neural crest specification, reprograms melanocytes towards a neural crest precursor-like state. MSX1-reprogrammed melanocytes express the neural crest marker p75 and are able to differentiate into neuronal and mesenchymal lineages. Mechanistically, MSX1 suppresses the proximal promoter of microphthalmia-associated transcription factor (MITF), the master transcriptional regulator of melanogenesis. MSX1 expression is also significantly correlated with melanoma progression. MSX1 prompts melanoma cell motility and depletion of MSX1 significantly inhibits melanoma metastasis. These results demonstrate that not only can neural crest-like reprogramming in melanocytes be achieved by a single factor, but also that similar dedifferentiation is a critical process for melanoma progression.
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Publication type Article: Journal article
Document type Meeting abstract
Language english
Publication Year 2015
HGF-reported in Year 0
ISSN (print) / ISBN 0022-202X
e-ISSN 1523-1747
Conference Title AACR Special Conference on Advances in Melanoma: From Biology to Therapy
Conference Date 20-23 September 2014
Conference Location Philadelphia, PA, USA
Quellenangaben Volume: 135, Issue: , Pages: S111 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place New York, NY
Reviewing status Peer reviewed
POF-Topic(s) 30201 - Metabolic Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-500600-004
Erfassungsdatum 2015-05-08