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2016 ; 7
(9
): 10006-14
Nephropedia Template TP
gab.com Text
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English Wikipedia
Identifying molecular genetic features and oncogenic pathways of clear cell renal
cell carcinoma through the anatomical (PADUA) scoring system
#MMPMID26848523
Zhu H
; Chen H
; Lin Z
; Shi G
; Lin X
; Wu Z
; Zhang X
; Zhang X
Oncotarget
2016[Mar]; 7
(9
): 10006-14
PMID26848523
show ga
Although the preoperative aspects and dimensions used for the PADUA scoring
system were successfully applied in macroscopic clinical practice for renal
tumor, the relevant molecular genetic basis remained unclear. To uncover
meaningful correlations between the genetic aberrations and radiological
features, we enrolled 112 patients with clear cell renal cell carcinoma (ccRCC)
whose clinicopathological data, genomics data and CT data were obtained from The
Cancer Genome Atlas (TCGA) and The Cancer Imaging Archive (TCIA). Overall PADUA
score and several radiological features included in the PADUA system were
assigned for each ccRCC. Despite having observed no significant association
between the gene mutation frequency and the overall PADUA score, correlations
between gene mutations and a few radiological features (tumor rim location and
tumor size) were identified. A significant association between rim location and
miRNA molecular subtypes was also observed. Survival analysis revealed that tumor
size > 7 cm was significantly associated with poor survival. In addition, Gene
Set Enrichment Analysis (GSEA) on mRNA expression revealed that the high PADUA
score was related to numerous cancer-related networks, especially epithelial to
mesenchymal transition (EMT) related pathways. This preliminary analysis of ccRCC
revealed meaningful correlations between PADUA anatomical features and molecular
basis including genomic aberrations and molecular subtypes.