The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.
Affinity-based proteomics reveal cancer-specific networks coordinated by Hsp90
Open accessAbstract
Most cancers are characterized by multiple molecular alterations, but identification of the key proteins involved in these signaling pathways is currently beyond reach. We show that the inhibitor PU-H71 preferentially targets tumor-enriched Hsp90 complexes and affinity captures Hsp90-dependent oncogenic client proteins. We have used PU-H71 affinity capture to design a proteomic approach that, when combined with bioinformatic pathway analysis, identifies dysregulated signaling networks and key oncoproteins in chronic myeloid leukemia. The identified interactome overlaps with the well-characterized altered proteome in this cancer, indicating that this method can provide global insights into the biology of individual tumors, including primary patient specimens. In addition, we show that this approach can be used to identify previously uncharacterized oncoproteins and mechanisms, potentially leading to new targeted therapies. We further show that the abundance of the PU-H71-enriched Hsp90 species, which is not dictated by Hsp90 expression alone, is predictive of the cell’s sensitivity to Hsp90 inhibition.
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Self-citationDiverse Cellular Functions of the Hsp90 Molecular Chaperone Uncovered Using Systems Approaches
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Metadata
- Authors
- Moulick, K., Ahn, J. H., Zong, H., Rodina, A., Cerchietti, L., Gomes DaGama, E. M., Caldas-Lopes, E., Beebe, K., Perna, F., Hatzi, K., Vu, L. P., Zhao, X., Zatorska, D., Taldone, T., Smith-Jones, P., Alpaugh, M., Gross, S. S., Pillarsetty, N., Ku, T., Lewis, J. S., Larson, S. M., Levine, R., Erdjument-Bromage, H., Guzman, M. L., Nimer, S. D., Melnick, A., Neckers, L., & Chiosis, G.
- Venue
- Nature Chemical Biology
- Published
- 2011-09-25
- Volume
- 7
- Issue
- 11
- Pages
- 818-826
- ISSN
- 1552-4450 (ISSN-L)
- 1552-4469
- OpenAlex
- W2029431941
- Cited by
- 261
- References
- 45
- FWCI
- 9.29
- Type
- journal article
- Language
- en
- Open access
- green
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- The paper
- Moulick, K., Ahn, J. H., Zong, H., Rodina, A., Cerchietti, L., Gomes DaGama, E. M., Caldas-Lopes, E., Beebe, K., Perna, F., Hatzi, K., Vu, L. P., Zhao, X., Zatorska, D., Taldone, T., Smith-Jones, P., Alpaugh, M., Gross, S. S., Pillarsetty, N., Ku, T., . . . Chiosis, G. (2011). Affinity-based proteomics reveal cancer-specific networks coordinated by Hsp90. Nature Chemical Biology. https://doi.org/10.1038/nchembio.670
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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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