Cited by 34Mass Spectrometry Techniques and ApplicationsMetabolomics and Mass Spectrometry StudiesSpectroscopy Techniques in Biomedical and Chemical Research

Contrast Agent Mass Spectrometry Imaging Reveals Tumor Heterogeneity

Tata, Alessandra, Zheng, Jinzi, Ginsberg, Howard J., Jaffray, David A., Ifa, Demian R., Zarrine-Afsar, Arash·2015·Analytical Chemistry

Abstract

Mapping intratumoral heterogeneity such as vasculature and margins is important during intraoperative applications. Desorption electrospray ionization mass spectrometry (DESI-MS) has demonstrated potential for intraoperative tumor imaging using validated MS profiles. The clinical translation of DESI-MS into a universal label-free imaging technique thus requires access to MS profiles characteristic to tumors and healthy tissues. Here, we developed contrast agent mass spectrometry imaging (CA-MSI) that utilizes a magnetic resonance imaging (MRI) contrast agent targeted to disease sites, as a label, to reveal tumor heterogeneity in the absence of known MS profiles. Human breast cancer tumors grown in mice were subjected to CA-MSI using Gadoteridol revealing tumor margins and vasculature from the localization of [Gadoteridol+K](+) and [Gadoteridol+Na](+) adducts, respectively. The localization of the [Gadoteridol+K](+) adduct as revealed through DESI-MS complements the in vivo MRI results. DESI-MS imaging is therefore possible for tumors for which no characteristic MS profiles are established. Further DESI-MS imaging of the flux of the contrast agent through mouse kidneys was performed indicating secretion of the intact label.

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Crossref · 10.1021/acs.analchem.5b01992

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39 of 39 references verified0 citation errors · 0 not checkable

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  • Breast cancer tumors developed in mice were investigated by CA-MSI using Gadoteridol, revealing tumor margins and vasculature by localizing contrast agents.

    “Breast cancer tumors developed in mice were investigated by CA-MSI using Gadoteridol, revealing tumor margins and vasculature by localizing the contrast agents.”
  • Integration of 2D MSI with 3D MRI was able to monitor MRI contrast agents.

    “Integration of 2D MSI with 3D MRI was able to monitor MRI contrast agents [145].”
  • Combination of MSI with other techniques is prospective for bridging gaps between unalike scales.

    “Thus, a combination of MSI with other techniques is prospective for bridging the gaps between unalike scales [145,146].”

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Authors
Tata, A., Zheng, J., Ginsberg, H. J., Jaffray, D. A., Ifa, D. R., & Zarrine-Afsar, A.
Affiliations
  • University Health Network (CA)
  • St. Michael's Hospital (CA)
  • York University (CA)
  • Techna Institute for the Advancement of Technology for Health, University Health Network, Toronto, Ontario M5G-1P5, Canada
Venue
Analytical Chemistry
Published
2015-07-15
Volume
87
Issue
15
Pages
7683-7689
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W828489942
Cited by
34
References
39
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 3 · 2017: 5 · 2016: 7 · 2015: 4
FWCI
2.82
Type
journal article
Language
en
Open access
closed
Locations
  • Analytical Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
Keywords
tumor heterogeneity, intratumoral heterogeneity, gadolinium-based MRI contrast agents, gadoteridol, desorption electrospray ionization mass spectrometry, label-free imaging, tumor vasculature, tumor margin, breast cancer xenografts
MeSH terms
Animals, Breast Neoplasms, Contrast Media, Female, Humans, Magnetic Resonance Imaging, Spectrometry, Mass, Electrospray Ionization, Mice

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