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- W4210486201 abstract "ABSTRACT Metastatic cutaneous squamous cell carcinoma (cSCC) is a highly morbid disease requiring radical surgery and adjuvant therapy that is associated with reduced overall survival. Yet compared to other advanced malignancies, relatively little is known of the genomic landscape of metastatic cSCC. We have previously reported the mutational signatures and mutational patterns of CCCTC-binding factor (CTCF) regions in metastatic cSCC. However, many other genomic components (indel signatures, non-coding drivers, and structural variants) of metastatic cSCC have not been reported. To this end, we performed whole genome sequencing on lymph node metastases and blood DNA from 25 cSCC patients with regional metastases of the head and neck. We designed a multifaceted computational analysis at the whole genome level to provide a more comprehensive perspective of the genomic landscape of metastatic cSCC. In the noncoding genome, 3’UTR regions of EVC (48% of specimens), PPP1R1A (48% of specimens) and ABCA4 (20% of specimens) along with the tumor-suppressing lncRNA LINC01003 (64% of specimens) were significantly functionally altered (Q-value < 0.05) and represent potential noncoding biomarkers of cSCC. Recurrent copy number loss in the tumor suppressor gene PTPRD was observed. Gene amplification was much less frequent and few genes were recurrently amplified. Single nucleotide variants driver analyses from 3 tools confirmed TP53 and CDKN2A as recurrently mutated genes but also identified C9 as potential novel driver in this disease. Further, indel signature analysis highlighted the dominance of ID signature 13 (ID13) followed by ID8 and ID9. ID 9 has previously been shown to have no association with skin melanoma, unlike ID 13 and 8, suggesting a novel pattern of indel variation in metastatic cSCC. The enrichment analysis of various genetically altered candidates shows enrichment of ‘TGF-beta regulation of extracellular matrix’ and ‘Cell cycle G1 to S check points’. These enriched terms are associated with genetic instability, cell proliferation, and migration providing mechanisms of genomic drivers of metastatic cSCC." @default.
- W4210486201 created "2022-02-08" @default.
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- W4210486201 date "2022-01-11" @default.
- W4210486201 modified "2023-09-26" @default.
- W4210486201 title "Whole genome analysis reveals the genomic complexity in metastatic cutaneous squamous cell carcinoma" @default.
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- W4210486201 doi "https://doi.org/10.1101/2022.01.10.22269035" @default.
- W4210486201 hasPublicationYear "2022" @default.
- W4210486201 type Work @default.