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Kidney Lipidomics by Mass Spectrometry Imaging: A Focus on the Glomerulus

Abstract : Lipid disorders have been associated with glomerulopathies, a distinct type of renal pathologies, such as nephrotic syndrome. Global analyses targeting kidney lipids in this pathophysiologic context have been extensively performed, but most often regardless of the architectural and functional complexity of the kidney. The new developments in mass spectrometry imaging technologies have opened a promising field in localized lipidomic studies focused on this organ. In this article, we revisit the main works having employed the Matrix Assisted Laser Desorption Ionization Time of Flight (MALDI-TOF) technology, and the few reports on the use of TOF-Secondary Ion Mass Spectrometry (TOF-SIMS). We also present a first analysis of mouse kidney cortex sections by cluster TOF-SIMS. The latter represents a good option for high resolution lipid imaging when frozen unfixed histological samples are available. The advantages and drawbacks of this developing field are discussed.
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https://hal.archives-ouvertes.fr/hal-02107297
Contributor : Alain Brunelle Connect in order to contact the contributor
Submitted on : Tuesday, October 5, 2021 - 9:54:16 AM
Last modification on : Thursday, May 5, 2022 - 4:15:53 PM
Long-term archiving on: : Thursday, January 6, 2022 - 6:16:59 PM

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Imane Abbas, Manale Noun, David Touboul, Dil Sahali, Alain Brunelle, et al.. Kidney Lipidomics by Mass Spectrometry Imaging: A Focus on the Glomerulus. International Journal of Molecular Sciences, MDPI, 2019, 20 (7), pp.1623. ⟨10.3390/ijms20071623⟩. ⟨hal-02107297⟩

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