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Cited by 295

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Characterization of an Akt Kinase Inhibitor with Potent Pharmacodynamic and Antitumor Activity

Open access
Rhodes, Nelson, Heerding, Dirk A., Duckett, Derek R., Eberwein, Derek J., Knick, Victoria B., Lansing, Timothy J., McConnell, Randy T., Gilmer, Tona M., Zhang, Shu-Yun, Robell, Kimberly, Kahana, Jason A., Geske, Robert S., Kleymenova, Elena V., Choudhry, Anthony E., Lai, Zhihong, Leber, Jack D., Minthorn, Elisabeth A., Strum, Susan L., Wood, Edgar R., Huang, Pearl S., Copeland, Robert A., Kumar, Rakesh·2008·Cancer Research

Abstract

Akt kinases 1, 2, and 3 are important regulators of cell survival and have been shown to be constitutively active in a variety of human tumors. GSK690693 is a novel ATP-competitive, low-nanomolar pan-Akt kinase inhibitor. It is selective for the Akt isoforms versus the majority of kinases in other families; however, it does inhibit additional members of the AGC kinase family. It causes dose-dependent reductions in the phosphorylation state of multiple proteins downstream of Akt, including GSK3β, PRAS40, and Forkhead. GSK690693 inhibited proliferation and induced apoptosis in a subset of tumor cells with potency consistent with intracellular inhibition of Akt kinase activity. In immune-compromised mice implanted with human BT474 breast carcinoma xenografts, a single i.p. administration of GSK690693 inhibited GSK3β phosphorylation in a dose- and time-dependent manner. After a single dose of GSK690693, >3 μmol/L drug concentration in BT474 tumor xenografts correlated with a sustained decrease in GSK3β phosphorylation. Consistent with the role of Akt in insulin signaling, treatment with GSK690693 resulted in acute and transient increases in blood glucose level. Daily administration of GSK690693 produced significant antitumor activity in mice bearing established human SKOV-3 ovarian, LNCaP prostate, and BT474 and HCC-1954 breast carcinoma xenografts. Immunohistochemical analysis of tumor xenografts after repeat dosing with GSK690693 showed reductions in phosphorylated Akt substrates in vivo. These results support further evaluation of GSK690693 as an anticancer agent. [Cancer Res 2008;68(7):2366–74]

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Metadata

Authors
Rhodes, N., Heerding, D. A., Duckett, D. R., Eberwein, D. J., Knick, V. B., Lansing, T. J., McConnell, R. T., Gilmer, T. M., Zhang, S.-Y., Robell, K., Kahana, J. A., Geske, R. S., Kleymenova, E. V., Choudhry, A. E., Lai, Z., Leber, J. D., Minthorn, E. A., Strum, S. L., Wood, E. R., Huang, P. S., Copeland, R. A., & Kumar, R.
Venue
Cancer Research
Published
2008-04-01
Volume
68
Issue
7
Pages
2366-2374
ISSN
  • 0008-5472 (ISSN-L)
  • 1538-7445
OpenAlex
W2093345318
Cited by
295
References
42
FWCI
9.43
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Characterization of an Akt Kinase Inhibitor with Potent Pharmacodynamic and Antitumor Activity. https://app.cochat.ai/papers/10.1158/0008-5472.can-07-5783
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Rhodes, N., Heerding, D. A., Duckett, D. R., Eberwein, D. J., Knick, V. B., Lansing, T. J., McConnell, R. T., Gilmer, T. M., Zhang, S.-Y., Robell, K., Kahana, J. A., Geske, R. S., Kleymenova, E. V., Choudhry, A. E., Lai, Z., Leber, J. D., Minthorn, E. A., Strum, S. L., Wood, E. R., . . . Kumar, R. (2008). Characterization of an Akt Kinase Inhibitor with Potent Pharmacodynamic and Antitumor Activity. Cancer Research. https://doi.org/10.1158/0008-5472.can-07-5783

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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