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Updated: Nov 25, 2025

A Pipeline to Investigate the Structures and Signaling Pathways of Sphingosine 1-Phosphate Receptors
Published on: June 8, 2022
The riddle of the Sphinx: why sphingosine-1-phosphate may help define molecular mechanisms underlying risk
Hugh Rosen1, Michael B A Oldstone1
1The Scripps Research Institute, La Jolla, CA, USA.
Abstract:
The sphingosine-1-phosphate (S1P) is a lysophospholipid signaling molecule with important functions in many physiological and pathological conditions, including viral infection. In this issue of EMBO Molecular Medicine, Marfia et al present a risk stratification based on S1P serum level as a novel prognostic indicator for COVID-19 severity.
Insights
Sphingosine-1-phosphate (S1P) serum levels can predict COVID-19 severity. This study introduces a novel risk stratification tool using S1P to forecast patient outcomes in viral infections.
Area of Science:
- Biochemistry
- Immunology
- Virology
Background:
- Sphingosine-1-phosphate (S1P) is a key signaling lipid involved in numerous physiological processes.
- S1P plays a critical role in immune cell trafficking and has been implicated in viral infections.
Purpose of the Study:
- To investigate the prognostic value of serum S1P levels in patients with COVID-19.
- To develop a risk stratification strategy for predicting COVID-19 severity based on S1P.
Main Methods:
- Serum samples from COVID-19 patients were analyzed for S1P concentrations.
- Correlation between S1P levels and clinical severity outcomes was assessed.
Main Results:
- Serum S1P levels were found to be a significant indicator of COVID-19 severity.
- A novel risk stratification model incorporating S1P levels was developed.
Conclusions:
- Serum S1P levels offer a promising, novel prognostic biomarker for COVID-19.
- This risk stratification tool can aid in managing patients with severe viral infections like COVID-19.

