ER Translocation of the MAPK Pathway Drives Therapy Resistance in BRAF-Mutant Melanoma

MAPK 通路的 ER 易位导致 BRAF 突变型黑色素瘤产生治疗耐药性

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作者:Rani Ojha, Nektaria M Leli, Angelique Onorati, Shengfu Piao, Ioannis I Verginadis, Feven Tameire, Vito W Rebecca, Cynthia I Chude, Sengottuvelan Murugan, Colin Fennelly, Estela Noguera-Ortega, Charleen T Chu, Shujing Liu, Xiaowei Xu, Clemens Krepler, Min Xiao, Wei Xu, Zhi Wei, Dennie T Frederick, Ge

Significance

ERK reactivation and autophagy are considered distinct resistance pathways to BRAF + MEK inhibition (BRAFi + MEKi) in BRAF V600E cancers. Here, we report BRAFi + MEKi-induced ER translocation of the MAPK pathway is necessary for ERK reactivation, which drives autophagy. The ER translocation mechanism is a major druggable driver of resistance to targeted therapy.This article is highlighted in the In This Issue feature, p. 305.

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