دورية أكاديمية
Late-Stage Metastatic Melanoma Emerges through a Diversity of Evolutionary Pathways
| العنوان: | Late-Stage Metastatic Melanoma Emerges through a Diversity of Evolutionary Pathways |
|---|---|
| المؤلفون: | Spain, Lavinia, Coulton, Alexander, Lobon, Irene, Rowan, Andrew, Schnidrig, Desiree, Shepherd, Scott TC, Shum, Benjamin, Byrne, Fiona, Goicoechea, Maria, Piperni, Elisa, Au, Lewis, Edmonds, Kim, Carlyle, Eleanor, Hunter, Nikki, Renn, Alexandra, Messiou, Christina, Hughes, Peta, Nobbs, Jaime, Foijer, Floris, van den Bos, Hilda, Wardenaar, Rene, Spierings, Diana CJ, Spencer, Charlotte, Schmitt, Andreas M, Tippu, Zayd, Lingard, Karla, Grostate, Lauren, Peat, Kema, Kelly, Kayleigh, Sarker, Sarah, Vaughan, Sarah, Mangwende, Mary, Terry, Lauren, Kelly, Denise, Biano, Jennifer, Murra, Aida, Korteweg, Justine, Lewis, Charlotte, O'Flaherty, Molly, Cattin, Anne-Laure, Emmerich, Max, Gerard, Camille L, Pallikonda, Husayn Ahmed, Lynch, Joanna, Mason, Robert, Rogiers, Aljosja, Xu, Hang, Huebner, Ariana, McGranahan, Nicholas, Al Bakir, Maise, Murai, Jun, Naceur-Lombardelli, Cristina, Borg, Elaine, Mitchison, Miriam, Moore, David A, Falzon, Mary, Proctor, Ian, Stamp, Gordon WH, Nye, Emma L, Young, Kate, Furness, Andrew JS, Pickering, Lisa, Stewart, Ruby, Mahadeva, Ula, Green, Anna, Larkin, James, Litchfield, Kevin, Swanton, Charles, Jamal-Hanjani, Mariam, PEACE Consortium, Turajlic, Samra |
| المصدر: | Cancer Discovery , 13 (6) pp. 1364-1385. (2023) |
| بيانات النشر: | American Association for Cancer Research (AACR) |
| سنة النشر: | 2023 |
| المجموعة: | University College London: UCL Discovery |
| مصطلحات موضوعية: | Humans, Melanoma, Mutation, Evolution, Molecular, Brain Neoplasms, DNA |
| الوصف: | UNLABELLED: Understanding the evolutionary pathways to metastasis and resistance to immune-checkpoint inhibitors (ICI) in melanoma is critical for improving outcomes. Here, we present the most comprehensive intrapatient metastatic melanoma dataset assembled to date as part of the Posthumous Evaluation of Advanced Cancer Environment (PEACE) research autopsy program, including 222 exome sequencing, 493 panel-sequenced, 161 RNA sequencing, and 22 single-cell whole-genome sequencing samples from 14 ICI-treated patients. We observed frequent whole-genome doubling and widespread loss of heterozygosity, often involving antigen-presentation machinery. We found KIT extrachromosomal DNA may have contributed to the lack of response to KIT inhibitors of a KIT-driven melanoma. At the lesion-level, MYC amplifications were enriched in ICI nonresponders. Single-cell sequencing revealed polyclonal seeding of metastases originating from clones with different ploidy in one patient. Finally, we observed that brain metastases that diverged early in molecular evolution emerge late in disease. Overall, our study illustrates the diverse evolutionary landscape of advanced melanoma. SIGNIFICANCE: Despite treatment advances, melanoma remains a deadly disease at stage IV. Through research autopsy and dense sampling of metastases combined with extensive multiomic profiling, our study elucidates the many mechanisms that melanomas use to evade treatment and the immune system, whether through mutations, widespread copy-number alterations, or extrachromosomal DNA. See related commentary by Shain, p. 1294. This article is highlighted in the In This Issue feature, p. 1275. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| العلاقة: | https://discovery.ucl.ac.uk/id/eprint/10171900/1/1364.pdfTest; https://discovery.ucl.ac.uk/id/eprint/10171900Test/ |
| الإتاحة: | https://discovery.ucl.ac.uk/id/eprint/10171900/1/1364.pdfTest https://discovery.ucl.ac.uk/id/eprint/10171900Test/ |
| حقوق: | open |
| رقم الانضمام: | edsbas.90CCE4F4 |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |