The study investigated how AKG influences adipose-derived stem cells exposed to hypoxic, low-oxygen conditions commonly found within injured tissue. According to the researchers, AKG enhanced stem cell survival by stabilising hypoxia-inducible factor-1 alpha (HIF-1α), a key regulator of cellular adaptation to stress and oxygen deprivation. 

The authors found that AKG helped maintain redox homeostasis and promoted glycogen-dependent bioenergetics, enabling stem cells to better tolerate metabolically stressful wound environments. Treated cells demonstrated improved viability, reduced oxidative damage and enhanced regenerative potential compared with untreated controls. 

In wound-healing models, the enhanced stem cell survival was associated with improved tissue repair responses, suggesting that metabolic support strategies may help increase the effectiveness of regenerative cell therapies.