Biosynthesis and turnover of 1-deoxy-sphingoid bases (WP5179)

Homo sapiens

Biosynthesis and turnover of 1-deoxy-sphingoid bases (1-doexySLs). 1-Deoxysphingolipids differ structurally from canonical SLs as they lack the essential C1-OH group. Consequently, 1-deoxysphingolipids cannot be converted to complex sphingolipids and are not degraded over the canonical catabolic pathways. Further conversion of 1-deoxysphingosine is done by members of the CYP4A/F family. It is however not clear which specific genes are involved in these processes.

Authors

Roel Van Overbeek and Denise Slenter

Activity

last edited

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Organisms

Homo sapiens

Communities

Annotations

Pathway Ontology

sphingolipidosis pathway sphingolipid biosynthetic pathway sphingolipid metabolic pathway classic metabolic pathway

Disease Ontology

hereditary sensory and autonomic neuropathy type 1 diabetes mellitus

Participants

Label Type Compact URI Comment
1-deoxysphinganine-2OH Metabolite inchikey:AADNOUNRPCOGMI-BFWZDYSYSA-N InChiKey based on converting structural drawing from Carreira [31132366] Fig. 5, to SMILES.
1-deoxysphingosine Metabolite cas:193222-34-3 InChI-Key which might be relevant (since CAS number does not provide linkouts): BPUUVXWJPCOCMG-ZWKOTPCHSA-N
1-deoxyceramide Metabolite lipidmaps:LMSP0206
1-deoxysphingosine-OH Metabolite inchikey:KSKFOMCZXQEJBA-PXKIYYGHSA-N InChiKey based on converting structural drawing from Carreira [31132366] Fig. 5, to SMILES.
1-deoxysphinganine-OH Metabolite inchikey:BJWFMCNWESUWNO-PXKIYYGHSA-N InChiKey based on converting structural drawing from Carreira [31132366] Fig. 5, to SMILES.
1-deoxysphingadiene Metabolite inchikey:KSKFOMCZXQEJBA-PXKIYYGHSA-N InChiKey based on converting structural drawing from Carreira [31132366] Fig. 5, to SMILES.
1-deoxy-3-ketosphinganine Metabolite chebi:67176
Palmitoyl-CoA Metabolite chebi:15525
CoA (22:0) Metabolite lipidmaps:LMFA07050289
CoA (24:0) Metabolite lipidmaps:LMFA07050372
L-alanine Metabolite chebi:16977
CoA (16:0) Metabolite lipidmaps:LMFA07050360
CoA (18:0) Metabolite lipidmaps:LMFA07050369
1-deoxysphinganine Metabolite chebi:67106
ATP Metabolite chebi:30616
H2O Metabolite chebi:15377
CoA (24:1) Metabolite lipidmaps:LMFA07050098
1-deoxy-dihydroceramide Metabolite chebi:67111
ADP Metabolite chebi:456216
CoA (20:0) Metabolite chebi:15527
CoA (26:0) Metabolite lipidmaps:LMFA07050327
CYP4A GeneProduct eccode:1.14.14.80
CYP4F GeneProduct eccode:1.14.14.94
KDSR GeneProduct ensembl:ENSG00000119537
SGPP1 GeneProduct ensembl:ENSG00000126821
ASAH1 GeneProduct ensembl:ENSG00000104763
SPTLC2 GeneProduct ensembl:ENSG00000100596
SPHK2 GeneProduct ensembl:ENSG00000063176
SPTLC1 GeneProduct ensembl:ENSG00000090054
SPHK1 GeneProduct ensembl:ENSG00000176170
SGPP2 GeneProduct ensembl:ENSG00000163082

References

  1. The cytochrome P450 4 (CYP4) family. Simpson AE. Gen Pharmacol. 1997 Mar;28(3):351–9. PubMed Europe PMC Scholia
  2. The revised human liver cytochrome P450 “Pie”: absolute protein quantification of CYP4F and CYP3A enzymes using targeted quantitative proteomics. Michaels S, Wang MZ. Drug Metab Dispos. 2014 Aug;42(8):1241–51. PubMed Europe PMC Scholia
  3. 1-Deoxysphingolipids Encountered Exogenously and Made de Novo: Dangerous Mysteries inside an Enigma. Duan J, Merrill AH Jr. J Biol Chem. 2015 Jun 19;290(25):15380–9. PubMed Europe PMC Scholia
  4. 1-Deoxysphingolipids. Lone MA, Santos T, Alecu I, Silva LC, Hornemann T. Biochim Biophys Acta Mol Cell Biol Lipids. 2019 Apr;1864(4):512–21. PubMed Europe PMC Scholia
  5. Quantifying 1-deoxydihydroceramides and 1-deoxyceramides in mouse nervous system tissue. Schwartz NU, Mileva I, Gurevich M, Snider J, Hannun YA, Obeid LM. Prostaglandins Other Lipid Mediat. 2019 Apr;141:40–8. PubMed Europe PMC Scholia
  6. Mammalian sphingoid bases: Biophysical, physiological and pathological properties. Carreira AC, Santos TC, Lone MA, Zupančič E, Lloyd-Evans E, de Almeida RFM, et al. Prog Lipid Res. 2019 Jul;75:100988. PubMed Europe PMC Scholia
  7. Metabolism of HSAN1- and T2DM-associated 1-deoxy-sphingolipids inhibits the migration of fibroblasts. Karsai G, Steiner R, Kaech A, Lone MA, von Eckardstein A, Hornemann T. J Lipid Res. 2021;62:100122. PubMed Europe PMC Scholia