Single cell RNA sequencing analyses of cells from human sinonasal tissue
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA657269 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR12455249.fastq.gz | Fastqsanger.gz | |||
| SRR12455250.fastq.gz | Fastqsanger.gz | |||
| SRR12455251.fastq.gz | Fastqsanger.gz | |||
| SRR12455252.fastq.gz | Fastqsanger.gz | |||
| SRR12455253.fastq.gz | Fastqsanger.gz |
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Project description:The diagnosis of sinonasal tumors is challenging due to a heterogeneous spectrum of various differential diagnoses as well as poorly defined, disputed entities such as sinonasal undifferentiated carcinomas (SNUCs). In this study, we apply machine learning algorithm based on DNA methylation patterns to classify sinonasal tumors with clinical-grade reliability. We further show that sinonasal tumors with SNUC morphology are not as undifferentiated as their current terminology suggests but rather reassigned to four distinct molecular classes defined by epigenetic, mutational and proteomic profiles. This includes two classes with neuroendocrine differentiation, characterized by IDH2 or SMARCA4/ARID1A mutations with an overall favorable clinical course, whereas tumors that are driven by SMARCB1-deficiency and tumors that represent previously misclassified adenoid cystic carcinomas are highly aggressive. Our findings have the potential to dramatically improve the diagnostic classification of sinonasal tumors and will fundamentally change the current perception of SNUCs.
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