Illustration 1 (IMAGE) Goethe University Frankfurt Caption The illustration shows a network of 212 microRNAs and their 12,495 targeted genes, deconstructed into four fields according to their sex-specific changes Credit Sebastian Lobentanzer Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.