Profiling the metabolome of uterine fluid for early detection of ovarian cancer
- PMID: 37267943
- PMCID: PMC10313936
- DOI: 10.1016/j.xcrm.2023.101061
Profiling the metabolome of uterine fluid for early detection of ovarian cancer
Abstract
Ovarian cancer (OC) causes high mortality in women because of ineffective biomarkers for early diagnosis. Here, we perform metabolomics analysis on an initial training set of uterine fluid from 96 gynecological patients. A seven-metabolite-marker panel consisting of vanillylmandelic acid, norepinephrine, phenylalanine, beta-alanine, tyrosine, 12-S-hydroxy-5,8,10-heptadecatrienoic acid, and crithmumdiol is established for detecting early-stage OC. The panel is further validated in an independent sample set from 123 patients, discriminating early OC from controls with an area under the curve (AUC) of 0.957 (95% confidence interval [CI], 0.894-1). Interestingly, we find elevated norepinephrine and decreased vanillylmandelic acid in most OC cells, resulting from excess 4-hydroxyestradiol that antagonizes the catabolism of norepinephrine by catechol-O-methyltransferase. Moreover, exposure to 4-hydroxyestradiol induces cellular DNA damage and genomic instability that could lead to tumorigenesis. Thus, this study not only reveals metabolic features in uterine fluid of gynecological patients but also establishes a noninvasive approach for the early diagnosis of OC.
Keywords: DNA damage; early diagnosis; metabolome; ovarian cancer; uterine fluid.
Copyright © 2023 The Author(s). Published by Elsevier Inc. All rights reserved.
Conflict of interest statement
Declaration of interests The authors declare the following patent related to this work: M.L., H.G., Y.W., P.W., Y.J., J.M., Y.X., and X.G. are listed as inventors on a patent (C.N. patent application no. ZL 2022 1 1651535.6) filed in December 2022 and granted in March 2023.
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