HypoxyStat, a small-molecule form of hypoxia therapy that increases oxygen-hemoglobin affinity.

ABSTRACT: We have previously demonstrated that chronic inhaled hypoxia is remarkably therapeutic in the premier animal model of mitochondrial Leigh syndrome, the Ndufs4 knockout (KO) mouse. Subsequent work has extended this finding to additional mitochondrial diseases and more common conditions. However, challenges inherent to gas-based therapies have hindered the rapid translation of our findings to the clinic. Here, we tested a small molecule (hereafter termed HypoxyStat) that increases the binding affinity of hemoglobin for oxygen, thereby decreasing oxygen offloading to tissues. Daily oral dosing of HypoxyStat caused systemic hypoxia in mice breathing normoxic (21% O₂) air. When administered prior to disease onset, this treatment dramatically extended the lifespan of Ndufs4 KO mice an

SUBMITTER: Blume SY 

PROVIDER: S-EPMC12186697 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature