Determination of serum microRNA 339 expression levels in patients receiving propofol infusion

This study investigates the potential antioxidant effects of propofol, a commonly used anesthetic, in patients undergoing in vitro fertilization (IVF). The research focuses on measuring the levels of specific redox proteins, glutathione reductase and glutathione peroxidase, as well as the expression of a microRNA molecule called miRNA-339. These elements play crucial roles in the cellular response to oxidative stress, a condition characterized by an imbalance between free radicals and antioxidants. The study design employed two groups of 21 IVF patients each. One group received propofol infusion during the procedure, while the other served as a control group without propofol administration. This approach allowed researchers to compare the effects of propofol on the aforementioned biomarkers between the two groups. The levels of glutathione reductase (p=0.003) and glutathione peroxidase (p=0.006), enzymes responsible for neutralizing harmful free radicals, were significantly elevated in the group that received propofol infusion compared to the control group. This observation suggests that propofol may possess antioxidant properties, potentially aiding in mitigating oxidative stress during IVF procedures. However, the investigation into miRNA-339 expression presented a more complex picture. This miRNA molecule is known to regulate various cellular processes, and its involvement in oxidative stress response has also been implicated. The study noted a statistically significant decrease in miRNA-339 levels specifically within the propofol group after infusion (p=0.027). This finding suggests that propofol may have an effect on miRNA-339 expression. Interestingly, initial correlations between miRNA-339 and the antioxidant enzymes existed, but these correlations became non-significant after propofol use. When comparison was made between before and after, the area under ROC curve (AUC) was 0.6723 (95% confidence interval; CI = 0.5073–0.8373, P < 0.0001). Overall, this study suggests propofol may offer antioxidant benefits during IVF. However, the role of propofol on miRNA-339 remains unclear and requires further exploration with larger studies. These studies would help confirm propofol's influence on miRNA-339 and understand its implications for IVF procedures. By gaining a deeper understanding of these mechanisms, researchers can work towards optimizing patient care and potentially mitigating the negative effects of oxidative stress associated with IVF. Key Words: Propofol, miRNA-339, Redox Proteins, IVF