Abstract:
:SOX7 as a tumor suppressor belongs to the SOX F gene subfamily and is associated with a variety of human cancers, including breast cancer, but the mechanisms involved are largely unclear. In the current study, we investigated the interactions between SOX7 and AXIN2 in their co-regulation on the Wnt/β-catenin signal pathway, using clinical specimens and microarray gene expression data from the GEO database, for their roles in breast cancer. We compared the expression levels of SOX7 and other co-expressed genes in the Wnt/β-catenin pathway and found that the expression of SOX7, SOX17 and SOX18 was all reduced significantly in the breast cancer tissues compared to normal controls. AXIN2 had the highest co-relativity with SOX7 in the Wnt/β-catenin signaling pathway. Clinicopathological analysis demonstrated that the down-regulated SOX7 was significantly correlated with advanced stages and poorly differentiated breast cancers. Consistent with bioinformatics predictions, SOX7 was correlated positively with AXIN2 and negatively with β-catenin, suggesting that SOX7 and AXIN2 might play important roles as co-regulators through the Wnt-β-catenin pathway in the breast tissue to affect the carcinogenesis process. Our results also showed Smad7 as the target of SOX7 and AXIN2 in controlling breast cancer progression through the Wnt/β-catenin signaling pathway.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Liu H,Mastriani E,Yan ZQ,Yin SY,Zeng Z,Wang H,Li QH,Liu HY,Wang X,Bao HX,Zhou YJ,Kou JJ,Li D,Li T,Liu J,Liu Y,Yin L,Qiu L,Gong L,Liu SLdoi
10.1038/srep26136subject
Has Abstractpub_date
2016-05-18 00:00:00pages
26136issn
2045-2322pii
srep26136journal_volume
6pub_type
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