Transcriptomics

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Distinct transcriptional profiles in the different phenotypes of neurofibroma from the same neurofibromatosis 1 subject


ABSTRACT: Background: Neurofibromatosis 1 (NF1) is one of the most common hereditary neurocutaneous disorders. Among clinical phenotypes of NF1, cutaneous neurofibroma (cNF) and plexiform neurofibroma (pNF) display distinct clinical manifestations and pNF should be carefully followed up due to its potential for malignant transformation. However, the detailed distinct features of pNF compared to the other phenotypes in NF1 remains unclear. Objective: To elucidate whether transcriptional features are altered between cNF and pNF within the same patient. Methods: Single-cell RNA-sequencing was performed on the isolated cNF and pNF cells from the same patient. Immunohistochemical analysis was conducted on 6 cNF and 5 pNF specimens from different subjects. Results: cNF and pNF have different microenvironment and distinct transcriptional profiles. Schwann cells with robust metabolic capacity and fibroblasts with cancer-associated fibroblast-like phenotype are enriched in pNF, while CD8 T cells with tissue residency markers are endowed in cNF. The density of CD8 T cells is histologically augmented in cNF. Conclusion: cNF and pNF, the different NF phenotypes in NF1, are transcriptionally distinct in terms of various involved cell types including immune cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE218493 | GEO | 2023/09/30

REPOSITORIES: GEO

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