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Analysis of PI3K pathway components in human cancers

Authors: 
Jamila Daragmeh
Waseim Barriah
Bashar Saad
Hilal Zaid
Journal Name: 
oncology letters
Volume: 
11
Issue: 
4
Pages From: 
2913
To: 
2918
Date: 
Tuesday, March 8, 2016
Keywords: 
AKT; EGFR; Human Protein Atlas; PI3K; PTEN; TSC1; cancer; tumorigenesis
Abstract: 
Recent advances in genomics, proteomics, cell biology and biochemistry of tumors have revealed new pathways that are aberrantly activated in numerous cancer types. However, the enormous amount of data available in this field may mislead scientists in focused research. As cancer cell growth and progression is often dependent upon the phosphoinositide 3-kinase (PI3K)/AKT pathway, there has been extensive research into the proteins implicated in the PI3K pathway. Using data available in the Human Protein Atlas database, the current study investigated the expression of 25 key proteins that are known to be involved with PI3K pathway activation in a distinct group of 20 cancer types. These proteins are AKTIP, ARP1, BAD, GSK3A, GSK3B, MERTK-1, PIK3CA, PRR5, PSTPIP2, PTEN, FOX1, RHEB, RPS6KB1, TSC1, TP53, BCL2, CCND1, WFIKKN2, CREBBP, caspase-9, PTK2, EGFR, FAS, CDKN1A and XIAP. The analysis revealed pronounced expression of specific proteins in distinct cancer tissues, which may have the potential to serve as targets for treatments and provide insights into the molecular basis of cancer