4.6 Article

Metabolomics to understand placental biology: Where are we now?

Journal

TISSUE & CELL
Volume 73, Issue -, Pages -

Publisher

CHURCHILL LIVINGSTONE
DOI: 10.1016/j.tice.2021.101663

Keywords

Placenta; Maternal-fetal interface; Metabolomics; Pregnancy

Funding

  1. Canadian Institutes of Health Research [MOP142298]
  2. Natural Science and Engineering Research Council [RGPIN-2017-05457]

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Metabolomics, the application of analytical chemistry methodologies to survey the chemical composition of a biological system, is valuable for studying the maternal-fetal interface and has shown moderate usefulness in pregnancy complications. However, the placental metabolome in a healthy pregnancy remains poorly characterized and understood, with potentials for future opportunities in this emerging field.
Metabolomics, the application of analytical chemistry methodologies to survey the chemical composition of a biological system, is used to globally profile and compare metabolites in one or more groups of samples. Given that metabolites are the terminal end-products of cellular metabolic processes, or 'phenotype' of a cell, tissue, or organism, metabolomics is valuable to the study of the maternal-fetal interface as it has the potential to reveal nuanced complexities of a biological system as well as differences over time or between individuals. The placenta acts as the primary site of maternal-fetal exchange, the success of which is paramount to growth and development of offspring during pregnancy and beyond. Although the study of metabolomics has proven moderately useful for the screening, diagnosis, and understanding of the pathophysiology of pregnancy complications, the placental metabolome in the context of a healthy pregnancy remains poorly characterized and understood. Herein, we discuss the technical aspects of metabolomics and review the current literature describing the placental metabolome in human and animal models, in the context of health and disease. Finally, we highlight areas for future opportunities in the emerging field of placental metabolomics.

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