A study in human myocardial autopsy specimens demonstrated that the miR-320d was significantly up-regulated in septic hearts compared to non-septic controls [Lehto et al. DOI:10.1038/s41598-024-81114-6]. Separately, an investigation of peripheral whole blood from physiologically unaffected humans found that the miR-320d expression was significantly positively correlated with age in a microarray analysis [Meder et al. DOI:10.1373/clinchem.2014.224238].