Which blood component is responsible for the production of sphingosine-1-phosphate, a bioactive lipid involved in vascular integrity?

A Red blood cells
B Platelets ✓
C Endothelial cells
D Erythrocyte precursors

Explanation

Platelets are a rich source of sphingosine-1-phosphate, which plays a crucial role in maintaining vascular integrity and regulating vascular tone.

Source

Blood journal, American Society of Hematology
Hematology Hematology: Blood Components Hematology: Blood Components Hard MEDICAL Confidence: medium