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Annual Review of Biomedical Engineering

Volume 25, 2023

Analytical Techniques for Single-Cell Biochemical Assays of Lipids

Abstract

Lipids are essential cellular components forming membranes, serving as energy reserves, and acting as chemical messengers. Dysfunction in lipid metabolism and signaling is associated with a wide range of diseases including cancer and autoimmunity. Heterogeneity in cell behavior including lipid signaling is increasingly recognized as a driver of disease and drug resistance. This diversity in cellular responses as well as the roles of lipids in health and disease drive the need to quantify lipids within single cells. Single-cell lipid assays are challenging due to the small size of cells (∼1 pL) and the large numbers of lipid species present at concentrations spanning orders of magnitude. A growing number of methodologies enable assay of large numbers of lipid analytes, perform high-resolution spatial measurements, or permit highly sensitive lipid assays in single cells. Covered in this review are mass spectrometry, Raman imaging, and fluorescence-based assays including microscopy and microseparations.

Keyword(s): capillary electrophoresis, lipids, mass spectrometry, Raman imaging, single cell, thin layer chromatography
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/content/journals/10.1146/annurev-bioeng-110220-034007
2023-06-08
2024-04-28
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Analytical Techniques for Single-Cell Biochemical Assays of Lipids
Annual Review of Biomedical Engineering 25, 281 (2023); https://doi.org/10.1146/annurev-bioeng-110220-034007
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