Molecular Origin of Blood-based Infrared Spectroscopic Fingerprints
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Molecular Origin of Blood-based Infrared Spectroscopic Fingerprints. / Voronina, Liudmila; Leonardo, Cristina; Mueller-Reif, Johannes B; Geyer, Philipp E; Huber, Marinus; Trubetskov, Michael; Kepesidis, Kosmas V; Behr, Jürgen; Mann, Matthias; Krausz, Ferenc; Žigman, Mihaela.
In: Angewandte Chemie International Edition, Vol. 60, No. 31, 2021, p. 17060-17069.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Molecular Origin of Blood-based Infrared Spectroscopic Fingerprints
AU - Voronina, Liudmila
AU - Leonardo, Cristina
AU - Mueller-Reif, Johannes B
AU - Geyer, Philipp E
AU - Huber, Marinus
AU - Trubetskov, Michael
AU - Kepesidis, Kosmas V
AU - Behr, Jürgen
AU - Mann, Matthias
AU - Krausz, Ferenc
AU - Žigman, Mihaela
PY - 2021
Y1 - 2021
N2 - Infrared spectroscopy of liquid biopsies is a time- and cost-effective approach that may advance biomedical diagnostics. However, molecular nature of disease-related changes of infrared molecular fingerprints (IMFs) remains poorly understood, impeding the method's applicability. Here we probe 148 human blood sera and reveal the origin of the variations in their IMFs. To that end, we supplemented infrared spectroscopy with biochemical fractionation and proteomic profiling, providing molecular information about serum composition. Using lung cancer as an example for a medical condition, we demonstrate that the disease-related differences in IMFs are dominated by contributions from twelve highly abundant proteins - that, if used as a pattern, may be instrumental for detecting malignancy. Tying proteomic to spectral information and machine learning advances our understanding of infrared spectra of liquid biopsies, a framework that could be applied to probing of any disease.
AB - Infrared spectroscopy of liquid biopsies is a time- and cost-effective approach that may advance biomedical diagnostics. However, molecular nature of disease-related changes of infrared molecular fingerprints (IMFs) remains poorly understood, impeding the method's applicability. Here we probe 148 human blood sera and reveal the origin of the variations in their IMFs. To that end, we supplemented infrared spectroscopy with biochemical fractionation and proteomic profiling, providing molecular information about serum composition. Using lung cancer as an example for a medical condition, we demonstrate that the disease-related differences in IMFs are dominated by contributions from twelve highly abundant proteins - that, if used as a pattern, may be instrumental for detecting malignancy. Tying proteomic to spectral information and machine learning advances our understanding of infrared spectra of liquid biopsies, a framework that could be applied to probing of any disease.
U2 - 10.1002/anie.202103272
DO - 10.1002/anie.202103272
M3 - Journal article
C2 - 33881784
VL - 60
SP - 17060
EP - 17069
JO - Angewandte Chemie International Edition
JF - Angewandte Chemie International Edition
SN - 1433-7851
IS - 31
ER -
ID: 261518937