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Ref Type | Journal Article | ||||||||||||
PMID | (19175524) | ||||||||||||
Authors | Gaitonde S, De SK, Tcherpakov M, Dewing A, Yuan H, Riel-Mehan M, Krajewski S, Robertson G, Pellecchia M, Ronai Z | ||||||||||||
Title | BI-69A11-mediated inhibition of AKT leads to effective regression of xenograft melanoma. | ||||||||||||
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Abstract Text | The AKT/PKB pathway plays a central role in tumor development and progression and is often up-regulated in different tumor types, including melanomas. We have recently reported on the in silico approach to identify putative inhibitors for AKT/PKB. Of the reported hits, we selected BI-69A11, a compound which was shown to inhibit AKT activity in in vitro kinase assays. Analysis of BI-69A11 was performed in melanoma cells, a tumor type that commonly exhibits up-regulation of AKT. Treatment of the UACC903 human melanoma cells, harboring the PTEN mutation, with BI-69A11 caused efficient inhibition of AKT S473 phosphorylation with concomitant inhibition of AKT phosphorylation of PRAS40. Treatment of melanoma cells with BI-69A11 also reduced AKT protein expression, which coincided with inhibition of AKT association with HSP-90. BI-69A11 treatment not only caused cell death of melanoma, but also prostate tumor cell lines. Notably, the effect of BI-69A11 on cell death was more pronounced in cells that express an active form of AKT. Significantly, intra-peritoneal injection of BI-69A11 caused effective regression of melanoma tumor xenografts, which coincided with elevated levels of cell death. These findings identify BI-69A11 as a potent inhibitor of AKT that is capable of eliciting effective regression of xenograft melanoma tumors. |
Molecular Profile | Treatment Approach |
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Gene Name | Source | Synonyms | Protein Domains | Gene Description | Gene Role |
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Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
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BI-69A11 | BI 69A11 | Akt1 Inhibitor 7 | BI-69A11 binds to and inhibits the activity of Akt1 in the ATP binding pocket leading to inhibition of Akt signaling in cancer cells (PMID: 19175524, PMID: 26631035, PMID: 30904616). |
Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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PTEN mutant | melanoma | sensitive | BI-69A11 | Preclinical - Cell line xenograft | Actionable | In a preclinical study, BI-69A11 resulted in antitumor activity in a melanoma cell line harboring a PTEN mutation, including induction of cell death in culture, and in xenograft models, tumor growth inhibition and tumor regression (PMID: 19175524). | 19175524 |