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Vaginal lipidomics of women with vulvovaginal candidiasis and cytolytic vaginosis: A non-targeted LC-MS pilot study

Author

Listed:
  • José Marcos Sanches
  • Paulo César Giraldo
  • Rose Amaral
  • Marcos Nogueira Eberlin
  • Lygia Azevedo Marques
  • Isabel Migliorini
  • Marcel Nakahira
  • Michel Jan Marinus Bieleveld
  • Michelle Garcia Discacciati

Abstract

Objective: To characterize the lipid profile in vaginal discharge of women with vulvovaginal candidiasis, cytolytic vaginosis, or no vaginal infection or dysbiosis. Design: Cross-sectional study. Setting: Genital Infections Ambulatory, Department of Tocogynecology, University of Campinas, Campinas, São Paulo–Brazil. Sample: Twenty-four women were included in this study: eight with vulvovaginal candidiasis, eight with cytolytic vaginosis and eight with no vaginal infections or dysbiosis (control group). Methods: The lipid profile in vaginal discharge of the different study groups was determined by liquid chromatography-mass spectrometry and further analyzed with MetaboAnalyst 3.0 platform. Main outcome measures: Vaginal lipids concentration and its correlation with vulvovaginal candidiasis and cytolytic vaginosis. Results: PCA, PLS-DA and hierarchical clustering analyses indicated 38 potential lipid biomarkers for the different groups, correlating with oxidative stress, inflammation, apoptosis and integrity of the vaginal epithelial tissue. Among these, greater concentrations were found for Glycochenodeoxycholic acid-7-sulfate, O-adipoylcarnitine, 1-eicosyl-2-heptadecanoyl-glycero-3-phosphoserine, undecanoic acid, formyl dodecanoate and lipoic acid in the vulvovaginal candidiasis group; N–(tetradecanoyl)-sphinganine, DL-PPMP, 1-oleoyl-cyclic phosphatidic, palmitic acid and 5-aminopentanoic acid in the cytolytic vaginosis group; and 1-nonadecanoyl-glycero-3-phosphate, eicosadienoic acid, 1-stearoyl-cyclic-phosphatidic acid, 1-(9Z,12Z-heptadecadienoyl)-glycero-3-phosphate, formyl 9Z-tetradecenoate and 7Z,10Z-hexadecadienoic acid in the control group. Conclusions: Lipids related to oxidative stress and apoptosis were found in higher concentrations in women with vulvovaginal candidiasis and cytolytic vaginosis, while lipids related to epithelial tissue integrity were more pronounced in the control group. Furthermore, in women with cytolytic vaginosis, we observed higher concentrations of lipids related to bacterial overgrowth.

Suggested Citation

  • José Marcos Sanches & Paulo César Giraldo & Rose Amaral & Marcos Nogueira Eberlin & Lygia Azevedo Marques & Isabel Migliorini & Marcel Nakahira & Michel Jan Marinus Bieleveld & Michelle Garcia Discacc, 2018. "Vaginal lipidomics of women with vulvovaginal candidiasis and cytolytic vaginosis: A non-targeted LC-MS pilot study," PLOS ONE, Public Library of Science, vol. 13(8), pages 1-13, August.
    • Handle: RePEc:plo:pone00:0202401
    DOI: 10.1371/journal.pone.0202401
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    Cited by:

    1. Pamela Pruski & Gonçalo D. S. Correia & Holly V. Lewis & Katia Capuccini & Paolo Inglese & Denise Chan & Richard G. Brown & Lindsay Kindinger & Yun S. Lee & Ann Smith & Julian Marchesi & Julie A. K. M, 2021. "Direct on-swab metabolic profiling of vaginal microbiome host interactions during pregnancy and preterm birth," Nature Communications, Nature, vol. 12(1), pages 1-14, December.

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