Tuesday, June 23, 2026

Dysregulation of sphingolipid-metabolizing enzymes in Friedreich’s ataxia: In vitro and in vivo insights into therapeutic targeting

Ramchunder Z, Kalef-Ezra E, Suleman S ..., Dysregulation of sphingolipid-metabolizing enzymes in Friedreich’s ataxia: In vitro and in vivo insights into therapeutic targeting, iScience, 2026; 29. DOI: 10.1016/j.isci.2026.116479 

 Sphingolipids are increasingly recognized for their roles in neurodegeneration with emerging evidence indicating their dysregulation in FRDA. Here, we investigate whether sphingolipid-metabolizing enzymes are similarly affected and assess the therapeutic potential of targeting them. Our findings demonstrate that these enzymes are dysregulated across multiple FRDA models. Importantly, their modulation in vitro and in vivo significantly reduces mitochondrial dysfunction, enhances frataxin expression, and improves key pathological features of the disease, highlighting sphingolipid metabolism as a promising therapeutic target for FRDA.