The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Production of hyperpolarized [1,4- 13 C 2 ]malate from [1,4- 13 C 2 ]fumarate is a marker of cell necrosis and treatment response in tumors
Open accessAbstract
Dynamic nuclear polarization of 13 C-labeled cell substrates has been shown to massively increase their sensitivity to detection in NMR experiments. The sensitivity gain is sufficiently large that if these polarized molecules are injected intravenously, their spatial distribution and subsequent conversion into other cell metabolites can be imaged. We have used this method to image the conversion of fumarate to malate in a murine lymphoma tumor in vivo after i.v. injection of hyperpolarized [1,4- 13 C 2 ]fumarate. In isolated lymphoma cells, the rate of labeled malate production was unaffected by coadministration of succinate, which competes with fumarate for transport into the cell. There was, however, a correlation with the percentage of cells that had lost plasma membrane integrity, suggesting that the production of labeled malate from fumarate is a sensitive marker of cellular necrosis. Twenty-four hours after treating implanted lymphoma tumors with etoposide, at which point there were significant levels of tumor cell necrosis, there was a 2.4-fold increase in hyperpolarized [1,4- 13 C 2 ]malate production compared with the untreated tumors. Therefore, the formation of hyperpolarized 13 C-labeled malate from [1,4- 13 C 2 ]fumarate appears to be a sensitive marker of tumor cell death in vivo and could be used to detect the early response of tumors to treatment. Given that fumarate is an endogenous molecule, this technique has the potential to be used clinically.
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New response evaluation criteria in solid tumours: revised RECIST guideline (version 1.1)
Eisenhauer, E. A., Therasse, P., Bogaerts, J., Schwartz, L. H., Sargent, D., Ford, R., Dancey, J., Arbuck, S., Gwyther, S., Mooney, M., et al. (2009) · European Journal of Cancer · doi:10.1016/j.ejca.2008.10.026 · Cited by 29,534
(1975) · Journal of AOAC INTERNATIONAL · doi:10.1093/jaoac/58.5.1085 · Cited by 19,795
Increase in signal-to-noise ratio of > 10,000 times in liquid-state NMR
Ardenkjær-Larsen, J. H., Fridlund, B., Gram, A., Hansson, G., Hansson, L., Lerche, M. H., Servin, R., Thaning, M., & Golman, K. (2003) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1733835100 · Cited by 2,861
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Koh, D.-M., & Collins, D. J. (2007) · American Journal of Roentgenology · doi:10.2214/ajr.06.1403 · Cited by 1,993
Four deaths and a funeral: from caspases to alternative mechanisms
Leist, M., & Jäättelä, M. (2001) · Nature Reviews Molecular Cell Biology · doi:10.1038/35085008 · Cited by 1,587
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Gallagher, F. A., Kettunen, M. I., Day, S. E., Hu, D.-E., Ardenkjær-Larsen, J. H., Zandt, R. I. ‘., Jensen, P. R., Karlsson, M., Golman, K., Lerche, M. H., et al. (2008) · Nature · doi:10.1038/nature07017 · Cited by 849
Self-citationMetabolic Imaging by Hyperpolarized 13C Magnetic Resonance Imaging for In vivo Tumor Diagnosis
Golman, K., Zandt, R. I., Lerche, M., Pehrson, R., & Ardenkjaer-Larsen, J. H. (2006) · Cancer Research · doi:10.1158/0008-5472.can-06-2564 · Cited by 591
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Blankenberg, F. G., Katsikis, P. D., Tait, J. F., Davis, R. E., Naumovski, L., Ohtsuki, K., Kopiwoda, S., Abrams, M. J., Darkes, M., Robbins, R. C., et al. (1998) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.95.11.6349 · Cited by 536
Non-invasive detection of apoptosis using magnetic resonance imaging and a targeted contrast agent
Zhao, M., Beauregard, D. A., Loizou, L., Davletov, B., & Brindle, K. M. (2001) · Nature Medicine · doi:10.1038/nm1101-1241 · Cited by 521
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Small animal cardiovascular MR imaging and spectroscopy
Bakermans, A. J., Abdurrachim, D., Moonen, R. P. M., Motaal, A. G., Prompers, J. J., Strijkers, G. J., Vandoorne, K., & Nicolay, K. (2015) · Progress in Nuclear Magnetic Resonance Spectroscopy · doi:10.1016/j.pnmrs.2015.03.001 · Cited by 35
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Metadata
- Authors
- Gallagher, F. A., Kettunen, M. I., Hu, D.-E., Jensen, P. R., Zandt, R. I. ‘., Karlsson, M., Gisselsson, A., Nelson, S. K., Witney, T. H., Bohndiek, S. E., Hansson, G., Peitersen, T., Lerche, M. H., & Brindle, K. M.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2009-11-24
- Volume
- 106
- Issue
- 47
- Pages
- 19801-19806
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2016200811
- Cited by
- 301
- References
- 27
- FWCI
- 8.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Gallagher, F. A., Kettunen, M. I., Hu, D.-E., Jensen, P. R., Zandt, R. I. ‘., Karlsson, M., Gisselsson, A., Nelson, S. K., Witney, T. H., Bohndiek, S. E., Hansson, G., Peitersen, T., Lerche, M. H., & Brindle, K. M. (2009). Production of hyperpolarized [1,4- 13 C 2 ]malate from [1,4- 13 C 2 ]fumarate is a marker of cell necrosis and treatment response in tumors. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0911447106
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