Chemotherapy induces tissue NAD+ loss, and downregulation of NAD+ biosynthetic enzyme Nrk2 marks muscle wasting
Noora Pöllänen, Caleb J. Gammon, Fabrizio Pin, Joshua R. Huot, Roberta Sartori, Fabio Penna, Juha J. Hulmi, Andrea Bonetto, Eija Pirinen
This study shows chemotherapy causes NAD+ loss in muscle and liver, with Nrk2 downregulation linked to muscle wasting across multiple models.
bioRxiv · Jul 13, 2026 · PreprintBiochemistry