May 22, 2020

Glycans Meet Sphingolipids: Structure-Based Design of Glycan Containing Analogues of a Sphingosine Kinase Inhibitor

ACS Medicinal Chemistry Letters
Athanasios PapakyriakouBarbara Richichi

Abstract

Sphingosine 1-phosphate (S1P) is a bioactive lipid mediator associated with diverse homeostatic and signaling roles. Enhanced biosynthesis of S1P, mediated by the sphingosine kinase isozymes (SK1 and SK2), is implicated in several pathophysiological conditions and diseases, including skeletal muscle fibrosis, inflammation, multiple sclerosis, and cancer. Therefore, therapeutic approaches that control S1P production have focused on the development of SK1/2 inhibitors. In this framework, we designed a series of natural monosaccharide-based compounds to enhance anchoring of the known SK1 inhibitor PF-543 at the polar head of the J-shaped substrate-binding channel. Herein, we describe the structure-based design and synthesis of new glycan-containing PF-543 analogues and we demonstrate their efficiency in a TGFβ1-induced pro-fibrotic assay.

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Mentioned in this Paper

Malignant Neoplasms
Monosaccharides
Inhibitors
Analogs & derivatives
Cell Polarity
PF-543
Sphingosine-1-phosphate Receptor Activity
Binding Protein
Sphingosine kinase
Kcnn1 protein, mouse

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