Identification of Hypoxic Cells Using an Organotellurium Tag Compatible with Mass Cytometry. Edgar, L. J., Vellanki, R. N., Halupa, A., Hedley, D., Wouters, B. G., & Nitz, M. Angewandte Chemie International Edition, September, 2014. ![Identification of Hypoxic Cells Using an Organotellurium Tag Compatible with Mass Cytometry [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Mass cytometry (MC) offers unparalleled potential for the development of highly parameterized assays for characterization of single cells within heterogeneous populations. Current reagents compatible with MC analysis employ antibody-metal-chelating polymer conjugates to report on the presence of biomarkers. Here, we expand the utility of MC by developing the first activity-based probe designed specifically for use with the technology. A compact MC-detectable telluroether is linked to a bioreductively sensitive 2-nitroimidazole scaffold, thereby generating a probe sensitive to cellular hypoxia. The probe exhibits low toxicity and is able to selectively label O2-deprived cells. A proof-of-concept experiment employing metal-bound DNA intercalators demonstrates that a heterogeneous mixture of cells with differential exposure to O2 can be effectively discriminated by the quantity of tellurium-labeling. The organotellurium reagents described herein provide a general approach to the development of a large toolkit of MC-compatible probes for activity-based profiling of single cells.
@article{edgar_identification_2014,
title = {Identification of {Hypoxic} {Cells} {Using} an {Organotellurium} {Tag} {Compatible} with {Mass} {Cytometry}},
copyright = {{\textcopyright} 2014 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim},
issn = {1521-3773},
url = {http://onlinelibrary.wiley.com/doi/10.1002/anie.201405233/abstract},
doi = {10.1002/anie.201405233},
abstract = {Mass cytometry (MC) offers unparalleled potential for the development of highly parameterized assays for characterization of single cells within heterogeneous populations. Current reagents compatible with MC analysis employ antibody-metal-chelating polymer conjugates to report on the presence of biomarkers. Here, we expand the utility of MC by developing the first activity-based probe designed specifically for use with the technology. A compact MC-detectable telluroether is linked to a bioreductively sensitive 2-nitroimidazole scaffold, thereby generating a probe sensitive to cellular hypoxia. The probe exhibits low toxicity and is able to selectively label O2-deprived cells. A proof-of-concept experiment employing metal-bound DNA intercalators demonstrates that a heterogeneous mixture of cells with differential exposure to O2 can be effectively discriminated by the quantity of tellurium-labeling. The organotellurium reagents described herein provide a general approach to the development of a large toolkit of MC-compatible probes for activity-based profiling of single cells.},
language = {en},
urldate = {2014-09-22},
journal = {Angewandte Chemie International Edition},
author = {Edgar, Landon J. and Vellanki, Ravi N. and Halupa, Adrienne and Hedley, David and Wouters, Bradly G. and Nitz, Mark},
month = sep,
year = {2014},
keywords = {activity-based probes, Mass cytometry, multiparameter analysis, organotellurium compounds, tumor hypoxia},
pages = {n/a--n/a}
}
Downloads: 0
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