Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:Q86TM3 (cage)
 29,987 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Anal squamous cell carcinoma (ASCC) is a rare tumour, but its incidence is increasing. Standard chemoradiotherapy fails to cure 20% of patients and no targeted therapy is currently approved for recurrent ASCC. The PI3K/Akt/mTOR pathway is frequently altered in this poorly characterised carcinoma. IGF2 was identified here as a key factor in ASCC oncogenesis, as IGF2 was shown to play a crucial role in the PI3K pathway with frequent (~60%) and mutually exclusive genomic alterations in IGF2, IGF1R, PTEN and PIK3CA genes. We also demonstrated that IGF2 expression is mainly due to cancer-associated fibroblasts and that IGF2 secreted by cancer-associated fibroblasts from ASCC samples promotes proliferation of a human ASCC cell line via IGF2 paracrine signalling. Altogether, these results highlight the key role of the IGF2/PI3K axis, and the major role of cancer-associated fibroblasts in tumour growth via IGF2 secretion, suggesting a major role of IGF2/IGF1R inhibitors in ASCC therapies.
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PMID:Interaction between IGF2-PI3K axis and cancer-associated-fibroblasts promotes anal squamous carcinogenesis. 3071 17