Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma

Zeeshan Ahmad; Blake A. Jacobson; Mitchell W. McDonald; Nicolas Vattendahl Vidal; Gabriel Vattendahl Vidal; Sierra Chen; Maxwell Dillenburg; Aniekan M. Okon; Manish R. Patel; Carston R. Wagner; Robert A. Kratzke

doi:10.1007/s00280-020-04029-9

Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma

Zeeshan Ahmad, Blake A. Jacobson, Mitchell W. McDonald, Nicolas Vattendahl Vidal, Gabriel Vattendahl Vidal, Sierra Chen, Maxwell Dillenburg, Aniekan M. Okon, Manish R. Patel, Carston R. Wagner, Robert A. Kratzke

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Abstract

Activated cap-dependent translation promotes cancer by stimulating translation of mRNAs encoding malignancy-promoting proteins. The nucleoside monophosphate Protide, 4Ei-10, undergoes intracellular uptake and conversion by Hint1 to form 7-Cl-Ph-Ethyl-GMP. 7-Cl-Ph-Ethyl-GMP is an analog of cap and inhibits protein translation by binding and sequestering eIF4E thus blocking eIF4E from binding to the mRNA cap. The effects of inhibiting translation initiation by disruption of the eIF4F complex with 4Ei-10 were examined in malignant mesothelioma (MM). In a cell-free assay system, formation of the eIF4F complex was disabled in response to exposure to 4Ei-10. Treatment of MM with 4Ei-10 resulted in decreased cell proliferation, increased sensitivity to pemetrexed and altered expression of malignancy-related proteins. In light of these findings, suppression of translation initiation by small molecule inhibitors like 4Ei-10 alone or in combination with pemetrexed represents an encouraging strategy meriting further evaluation in the treatment of MM.

Original language	English (US)
Pages (from-to)	425-432
Number of pages	8
Journal	Cancer chemotherapy and pharmacology
Volume	85
Issue number	2
DOIs	https://doi.org/10.1007/s00280-020-04029-9
State	Published - Feb 1 2020

Bibliographical note

Funding Information:
This work was supported in part by the Harvey Carlson Mesothelioma Research Fund. All authors have read the journal's authorship agreement and the policy on potential conflicts of interest.

Funding Information:
This work was funded in part by the Harvey Carlson Mesothelioma Research Fund of the University of Minnesota. Acknowledgements

Publisher Copyright:
© 2020, Springer-Verlag GmbH Germany, part of Springer Nature.

Keywords

4Ei-10
7-Cl-Ph-Ethyl-GMP
Cap-dependent translation
Mesothelioma
ProTide
eIF4E
eIF4G

PubMed: MeSH publication types

Journal Article
Research Support, Non-U.S. Gov't

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Ahmad, Z., Jacobson, B. A., McDonald, M. W., Vattendahl Vidal, N., Vattendahl Vidal, G., Chen, S., Dillenburg, M., Okon, A. M., Patel, M. R., Wagner, C. R., & Kratzke, R. A. (2020). Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma. Cancer chemotherapy and pharmacology, 85(2), 425-432. https://doi.org/10.1007/s00280-020-04029-9

Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma. / Ahmad, Zeeshan; Jacobson, Blake A.; McDonald, Mitchell W. et al.
In: Cancer chemotherapy and pharmacology, Vol. 85, No. 2, 01.02.2020, p. 425-432.

Research output: Contribution to journal › Article › peer-review

Ahmad, Z, Jacobson, BA, McDonald, MW, Vattendahl Vidal, N, Vattendahl Vidal, G, Chen, S, Dillenburg, M, Okon, AM, Patel, MR , Wagner, CR & Kratzke, RA 2020, 'Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma', Cancer chemotherapy and pharmacology, vol. 85, no. 2, pp. 425-432. https://doi.org/10.1007/s00280-020-04029-9

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Repression of oncogenic cap-mediated translation by 4Ei-10 diminishes proliferation, enhances chemosensitivity and alters expression of malignancy-related proteins in mesothelioma

Abstract

Bibliographical note

Keywords

PubMed: MeSH publication types

UN SDGs

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