Abstract：
:Stage I epithelial ovarian cancer (EOC) represents about 10% of all EOCs. It is characterized by a complex histopathological and molecular heterogeneity, and it is composed of five main histological subtypes (mucinous, endometrioid, clear cell and high, and low grade serous), which have peculiar genetic, molecular, and clinical characteristics. As it occurs less frequently than advanced-stage EOC, its molecular features have not been thoroughly investigated. In this study, using in silico approaches and gene expression data, on a multicentric cohort composed of 208 snap-frozen tumor biopsies, we explored the subtype-specific molecular alterations that regulate tumor aggressiveness in stage I EOC. We found that single genes rather than pathways are responsible for histotype specificities and that a cAMP-PKA-CREB1 signaling axis seems to play a central role in histotype differentiation. Moreover, our results indicate that immune response seems to be, at least in part, involved in histotype differences, as a higher immune-reactive behavior of serous and mucinous samples was observed with respect to other histotypes.
journal_name
Cellsjournal_title
Cellsauthors
Calura E,Ciciani M,Sambugaro A,Paracchini L,Benvenuto G,Milite S,Martini P,Beltrame L,Zane F,Fruscio R,Marchette MD,Borella F,Tognon G,Ravaggi A,Katsaros D,Bignotti E,Odicino F,D'Incalci M,Marchini S,Romualdi Cdoi
10.3390/cells8121554subject
Has Abstractpub_date
2019-12-01 00:00:00issue
12issn
2073-4409pii
cells8121554journal_volume
8pub_type
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