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Article Dans Une Revue Prostaglandins and Other Lipid Mediators Année : 2023

Sphingolipidoses in Morocco: Chemical profiling for an affordable and rapid diagnosis strategy

N. Imad
  • Fonction : Auteur
A. Bourrahouat
  • Fonction : Auteur
I. Ait Sab
  • Fonction : Auteur
R. Elqadiry
  • Fonction : Auteur
H. Nassih
  • Fonction : Auteur
A. Outzourit
  • Fonction : Auteur
F. Maoulainine
  • Fonction : Auteur
N. Slitine Elidrissi
  • Fonction : Auteur
F. Bennaoui
  • Fonction : Auteur
M. Bourous
  • Fonction : Auteur
S. Mrhar
  • Fonction : Auteur
L. Essaadouni
  • Fonction : Auteur
N. Rada
  • Fonction : Auteur
M. Bouskraoui
  • Fonction : Auteur

Résumé

Sphingolipidoses are a group of metabolic diseases in which lysosomal hydrolases dysfunction disrupt normal sphingolipids' metabolism, leading to excess accumulation in cellular compartments and excretion in urine. These pathologies represent a significant burden among Moroccan population, for which an easy access to enzymatic assays and genetic tests is not guaranteed. Parallel analytical methods thus have to be developed for preliminary screening. In this study, 107 patients were addressed to the metabolic platform of the Marrakesh Faculty of Medicine for diagnosis confirmation. Thin-Layer Chromatography was used as a first step to perform chemical profiling of the patients' urinary lipids, allowing 36% of the patients to be efficiently oriented towards the adequate enzymatic assay. UPLC-MS/MS analyses of urinary sulfatides excreted in urines patient had been used to control the reliability of TLC analysis and to obtain more accurate information related to the sulfatides isoforms. This analytical process combining TLC with UPLC-MS/MS has enabled rapid and appropriate patient management in a reduced time and with reduced resources.
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Dates et versions

hal-04136431 , version 1 (21-06-2023)

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M. Hammoud, Alice M. S. Rodrigues, I. Assiri, Sabir Es-Said, K. Lafhal, et al.. Sphingolipidoses in Morocco: Chemical profiling for an affordable and rapid diagnosis strategy. Prostaglandins and Other Lipid Mediators, 2023, 168, pp.106751. ⟨10.1016/j.prostaglandins.2023.106751⟩. ⟨hal-04136431⟩
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