A Melanoma-Tailored Next-Generation Sequencing Panel Coupled with a Comprehensive Analysis to Improve Routine Melanoma Genotyping

Background Tumor molecular deciphering is crucial in clinical management. Pan-cancer next-generation sequencing panels have moved towards exhaustive molecular characterization. However, because of treatment resistance and the growing emergence of pharmacological targets, tumor-specific customized pa...

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Veröffentlicht in:Targeted oncology 2020-12, Vol.15 (6), p.759-771
Hauptverfasser: Louveau, Baptiste, Jouenne, Fanélie, Têtu, Pauline, Sadoux, Aurélie, Gruber, Aurélia, Lopes, Eddie, Delyon, Julie, Serror, Kevin, Marco, Oren, Da Meda, Laetitia, Ndiaye, Aminata, Lermine, Alban, Dumaz, Nicolas, Battistella, Maxime, Baroudjian, Barouyr, Lebbe, Céleste, Mourah, Samia
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container_end_page 771
container_issue 6
container_start_page 759
container_title Targeted oncology
container_volume 15
creator Louveau, Baptiste
Jouenne, Fanélie
Têtu, Pauline
Sadoux, Aurélie
Gruber, Aurélia
Lopes, Eddie
Delyon, Julie
Serror, Kevin
Marco, Oren
Da Meda, Laetitia
Ndiaye, Aminata
Lermine, Alban
Dumaz, Nicolas
Battistella, Maxime
Baroudjian, Barouyr
Lebbe, Céleste
Mourah, Samia
description Background Tumor molecular deciphering is crucial in clinical management. Pan-cancer next-generation sequencing panels have moved towards exhaustive molecular characterization. However, because of treatment resistance and the growing emergence of pharmacological targets, tumor-specific customized panels are needed to guide therapeutic strategies. Objective The objective of this study was to present such a customized next-generation sequencing panel in melanoma. Methods Melanoma patients with somatic molecular profiling performed as part of routine care were included. High-throughput sequencing was performed with a melanoma tailored next-generation sequencing panel of 64 genes involved in molecular classification, prognosis, theranostic, and therapeutic resistance. Single nucleotide variants and copy number variations were screened, and a comprehensive molecular analysis identified clinically relevant alterations. Results Four hundred and twenty-one melanoma cases were analyzed (before any treatment initiation for 94.8% of patients). After bioinformatic prioritization, we uncovered 561 single nucleotide variants, 164 copy number variations, and four splice-site mutations. At least one alteration was detected in 368 (87.4%) lesions, with BRAF , NRAS , CDKN2A , CCND1 , and MET as the most frequently altered genes. Among patients with BRAF V600 mutated melanoma, 44.5% (77 of 173) harbored at least one concurrent alteration driving potential resistance to mitogen-activated protein kinase inhibitors. In patients with RAS hotspot mutated lesions and in patients with neither BRAF V600 nor RAS hotspot mutations, alterations constituting potential pharmacological targets were found in 56.9% (66 of 116) and 47.7% (63 of 132) of cases, respectively. Conclusions Our tailored next-generation sequencing assay coupled with a comprehensive analysis may improve therapeutic management in a significant number of patients with melanoma. Updating such a panel and implementing multi-omic approaches will further enhance patients’ clinical management.
doi_str_mv 10.1007/s11523-020-00764-4
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Pan-cancer next-generation sequencing panels have moved towards exhaustive molecular characterization. However, because of treatment resistance and the growing emergence of pharmacological targets, tumor-specific customized panels are needed to guide therapeutic strategies. Objective The objective of this study was to present such a customized next-generation sequencing panel in melanoma. Methods Melanoma patients with somatic molecular profiling performed as part of routine care were included. High-throughput sequencing was performed with a melanoma tailored next-generation sequencing panel of 64 genes involved in molecular classification, prognosis, theranostic, and therapeutic resistance. Single nucleotide variants and copy number variations were screened, and a comprehensive molecular analysis identified clinically relevant alterations. Results Four hundred and twenty-one melanoma cases were analyzed (before any treatment initiation for 94.8% of patients). After bioinformatic prioritization, we uncovered 561 single nucleotide variants, 164 copy number variations, and four splice-site mutations. At least one alteration was detected in 368 (87.4%) lesions, with BRAF , NRAS , CDKN2A , CCND1 , and MET as the most frequently altered genes. Among patients with BRAF V600 mutated melanoma, 44.5% (77 of 173) harbored at least one concurrent alteration driving potential resistance to mitogen-activated protein kinase inhibitors. In patients with RAS hotspot mutated lesions and in patients with neither BRAF V600 nor RAS hotspot mutations, alterations constituting potential pharmacological targets were found in 56.9% (66 of 116) and 47.7% (63 of 132) of cases, respectively. Conclusions Our tailored next-generation sequencing assay coupled with a comprehensive analysis may improve therapeutic management in a significant number of patients with melanoma. Updating such a panel and implementing multi-omic approaches will further enhance patients’ clinical management.</description><identifier>ISSN: 1776-2596</identifier><identifier>EISSN: 1776-260X</identifier><identifier>DOI: 10.1007/s11523-020-00764-4</identifier><identifier>PMID: 33151472</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Biochemistry, Molecular Biology ; Biomedicine ; Cancer ; Dermatology ; Female ; Genotype ; High-Throughput Nucleotide Sequencing - methods ; Human health and pathology ; Humans ; Kinases ; Life Sciences ; Male ; Medicine ; Medicine &amp; Public Health ; Melanoma ; Melanoma - genetics ; Melanoma - pathology ; Molecular Networks ; Mutation ; Oncology ; Original Research Article ; Structural Biology ; Treatment resistance</subject><ispartof>Targeted oncology, 2020-12, Vol.15 (6), p.759-771</ispartof><rights>Springer Nature Switzerland AG 2020</rights><rights>Springer Nature Switzerland AG 2020.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-43336281d6b05a550940e745e946a05338416884454fe7727447f5096840dd13</citedby><cites>FETCH-LOGICAL-c412t-43336281d6b05a550940e745e946a05338416884454fe7727447f5096840dd13</cites><orcidid>0000-0003-2988-6792 ; 0000-0002-4557-3377 ; 0000-0002-5854-7290 ; 0000-0002-7053-7431</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11523-020-00764-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11523-020-00764-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33151472$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://inserm.hal.science/inserm-03033434$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Louveau, Baptiste</creatorcontrib><creatorcontrib>Jouenne, Fanélie</creatorcontrib><creatorcontrib>Têtu, Pauline</creatorcontrib><creatorcontrib>Sadoux, Aurélie</creatorcontrib><creatorcontrib>Gruber, Aurélia</creatorcontrib><creatorcontrib>Lopes, Eddie</creatorcontrib><creatorcontrib>Delyon, Julie</creatorcontrib><creatorcontrib>Serror, Kevin</creatorcontrib><creatorcontrib>Marco, Oren</creatorcontrib><creatorcontrib>Da Meda, Laetitia</creatorcontrib><creatorcontrib>Ndiaye, Aminata</creatorcontrib><creatorcontrib>Lermine, Alban</creatorcontrib><creatorcontrib>Dumaz, Nicolas</creatorcontrib><creatorcontrib>Battistella, Maxime</creatorcontrib><creatorcontrib>Baroudjian, Barouyr</creatorcontrib><creatorcontrib>Lebbe, Céleste</creatorcontrib><creatorcontrib>Mourah, Samia</creatorcontrib><title>A Melanoma-Tailored Next-Generation Sequencing Panel Coupled with a Comprehensive Analysis to Improve Routine Melanoma Genotyping</title><title>Targeted oncology</title><addtitle>Targ Oncol</addtitle><addtitle>Target Oncol</addtitle><description>Background Tumor molecular deciphering is crucial in clinical management. Pan-cancer next-generation sequencing panels have moved towards exhaustive molecular characterization. However, because of treatment resistance and the growing emergence of pharmacological targets, tumor-specific customized panels are needed to guide therapeutic strategies. Objective The objective of this study was to present such a customized next-generation sequencing panel in melanoma. Methods Melanoma patients with somatic molecular profiling performed as part of routine care were included. High-throughput sequencing was performed with a melanoma tailored next-generation sequencing panel of 64 genes involved in molecular classification, prognosis, theranostic, and therapeutic resistance. Single nucleotide variants and copy number variations were screened, and a comprehensive molecular analysis identified clinically relevant alterations. Results Four hundred and twenty-one melanoma cases were analyzed (before any treatment initiation for 94.8% of patients). After bioinformatic prioritization, we uncovered 561 single nucleotide variants, 164 copy number variations, and four splice-site mutations. At least one alteration was detected in 368 (87.4%) lesions, with BRAF , NRAS , CDKN2A , CCND1 , and MET as the most frequently altered genes. Among patients with BRAF V600 mutated melanoma, 44.5% (77 of 173) harbored at least one concurrent alteration driving potential resistance to mitogen-activated protein kinase inhibitors. In patients with RAS hotspot mutated lesions and in patients with neither BRAF V600 nor RAS hotspot mutations, alterations constituting potential pharmacological targets were found in 56.9% (66 of 116) and 47.7% (63 of 132) of cases, respectively. Conclusions Our tailored next-generation sequencing assay coupled with a comprehensive analysis may improve therapeutic management in a significant number of patients with melanoma. 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Pan-cancer next-generation sequencing panels have moved towards exhaustive molecular characterization. However, because of treatment resistance and the growing emergence of pharmacological targets, tumor-specific customized panels are needed to guide therapeutic strategies. Objective The objective of this study was to present such a customized next-generation sequencing panel in melanoma. Methods Melanoma patients with somatic molecular profiling performed as part of routine care were included. High-throughput sequencing was performed with a melanoma tailored next-generation sequencing panel of 64 genes involved in molecular classification, prognosis, theranostic, and therapeutic resistance. Single nucleotide variants and copy number variations were screened, and a comprehensive molecular analysis identified clinically relevant alterations. Results Four hundred and twenty-one melanoma cases were analyzed (before any treatment initiation for 94.8% of patients). After bioinformatic prioritization, we uncovered 561 single nucleotide variants, 164 copy number variations, and four splice-site mutations. At least one alteration was detected in 368 (87.4%) lesions, with BRAF , NRAS , CDKN2A , CCND1 , and MET as the most frequently altered genes. Among patients with BRAF V600 mutated melanoma, 44.5% (77 of 173) harbored at least one concurrent alteration driving potential resistance to mitogen-activated protein kinase inhibitors. In patients with RAS hotspot mutated lesions and in patients with neither BRAF V600 nor RAS hotspot mutations, alterations constituting potential pharmacological targets were found in 56.9% (66 of 116) and 47.7% (63 of 132) of cases, respectively. Conclusions Our tailored next-generation sequencing assay coupled with a comprehensive analysis may improve therapeutic management in a significant number of patients with melanoma. 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subjects Biochemistry, Molecular Biology
Biomedicine
Cancer
Dermatology
Female
Genotype
High-Throughput Nucleotide Sequencing - methods
Human health and pathology
Humans
Kinases
Life Sciences
Male
Medicine
Medicine & Public Health
Melanoma
Melanoma - genetics
Melanoma - pathology
Molecular Networks
Mutation
Oncology
Original Research Article
Structural Biology
Treatment resistance
title A Melanoma-Tailored Next-Generation Sequencing Panel Coupled with a Comprehensive Analysis to Improve Routine Melanoma Genotyping
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