UCP2 Protein Expressed in Natural Birth (IMAGE) Yale University Caption The UCP2 protein is expressed in natural birth. Credit Michael Helfenbein, Horvath Lab, Yale University Usage Restrictions Please credit as follows: Michael Helfenbein, Horvath Lab, Yale University 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.