Abstract
Skin cutaneous melanoma (SKCM) is the most malignant skin tumor for it is enormously easy to develop invasion and metastasis. Autophagy is a process by which cellular material is degraded by lysosomes or vacuoles and recycled. Autophagy-related long non-coding RNAs (lncRNAs) have been thought to correlate with SKCM. This study aims to explore the prognostic significance of autophagy-related lncRNAs and establish a prognostic model of autophagy-related lncRNA pairs in SKCM. Firstly, the RNA-seq data and related clinical information were downloaded from the TCGA database. 446 qualified samples were enrolled. 222 autophagy-related genes were obtained from the HADb database. Pearson correlation analysis was conducted to identify autophagy-related lncRNAs (ARLs). After that, we obtained prognosis-related ARLs and autophagy-related lncRNA pairs (ARLPs). Using Lasso-Cox regression analysis, an autophagy-related lncRNA-pair prognostic signature was established. The accuracy of the signature were confirmed through a series of validations in terms of mutation profiles, immunity infiltration, and cellular pathways. And we used the random forest method to find USP30-AS1 as a key mediating factor in SKCM.
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Abbreviations
- SKCM:
-
Skin cutaneous melanoma
- lncRNA:
-
Long non-coding RNA
- ARLs:
-
Autophagy-related lncRNAs
- ARLPs:
-
Autophagy-related lncRNA pairs
- AMBRA1:
-
Beclin 1-regulated autophagy protein 1
- AC:
-
Acid ceramidase
- ARGs:
-
Autophagy-related genes
- TCGA:
-
The cancer genome atlas
- HADb:
-
Human autophagy database
- KM:
-
Kaplan–Meier
- PRARLs:
-
Prognosis-related ARLs
- Coef:
-
Coefficient
- ROC:
-
Receiver operator characteristic curve
- DSS:
-
Disease specific survival
- CCM:
-
Calibration curve method
- C-index:
-
Concordance-index
- DCA:
-
Decision curve analysis
- TMB:
-
Tumor mutation burden
- GSEA:
-
Gene set enrichment analysis
- WGCNA:
-
Weighted gene co-expression network analysis
- TOM:
-
Topology overlap measurement
- GS:
-
Gene significance
- MS:
-
Module significance
- TIP:
-
Tracking tumor immunophenotype
- IPS:
-
Immunophenoscore
- HRs:
-
Hazard ratios
- CIs:
-
Confidence intervals
- VAF:
-
Variant allele frequency
- CTLA-4:
-
Cytotoxic T-lymphocyte-associated protein 4
- PD-1:
-
Programmed cell death-1
- USP30-AS1:
-
USP30 antisense RNA 1
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YYL and HXZ: are responsible for writing and submitting the papers, collecting and analyzing data, managing all pictures and tables; DLH and SXL: are responsible for the ideas and guidance. The authors have read and approved the final manuscript.
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Liu, Y., Zhang, H., Hu, D. et al. New algorithms based on autophagy-related lncRNAs pairs to predict the prognosis of skin cutaneous melanoma patients. Arch Dermatol Res 315, 1511–1526 (2023). https://doi.org/10.1007/s00403-022-02522-0
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DOI: https://doi.org/10.1007/s00403-022-02522-0