Abstract:
OBJECTIVE:To explore the correlations among alternative splicing (AS), splicing factors (SF) and survival outcome in adrenocortical carcinoma (ACC) patients. RESULTS:A total of 92 ACC patients were included. Univariate analysis identified 3919 AS events significantly associated with overall survival. Lasso method followed by multivariate analysis revealed that the prognostic capacity of these survival-related AS events is satisfactory. Interestingly, we found that the area under the curve (AUC) of AA, AD, AP and RI were more than 0.9, indicating that these four types of AS were of great significance. Independent prognostic analysis showed that only the risk score was the independent risk factor of ACC survival. Finally, we constructed an interesting interaction network between AS and SF. CONCLUSIONS:This is the first and most comprehensive study to explore the aberrant AS variants in ACC, which might provide novel insights into molecular mechanism of ACC. METHODS:The transcriptome data, clinical information and Percent Spliced In (PSI) values of the ACC were obtained from TCGA database and TCGA SpliceSeq data portal. Lasso method and uni/multivariate Cox regression analysis were used to identify survival-related AS events and develop multi-AS-based signatures. The relationship between AS events and SFs was also investigated.
journal_name
Aging (Albany NY)journal_title
Agingauthors
Xu N,Ke ZB,Lin XD,Lin F,Chen SH,Wu YP,Chen YH,Wei Y,Zheng QSdoi
10.18632/aging.102924subject
Has Abstractpub_date
2020-03-26 00:00:00pages
4996-5009issue
6issn
1945-4589pii
102924journal_volume
12pub_type
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