Figure 1 (IMAGE) Higher Education Press Caption Scientific hypothesis: intestinal epithelium-derived exosomes regulate hepatic metabolic activities by carrying substances such as microRNA. Credit Tiange Feng, Yuan Liang, Lijun Sun, Lu Feng, Jiajie Min, Michael W. Mulholland, Yue Yin, Weizhen Zhang Usage Restrictions none License Original 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.