Stem Cell Protein Curbs Brain Swelling (1 of 2) (image) American Association for the Advancement of Science Share Print E-Mail Caption Working biological model of how mesenchymal stem cells inhibit vascular leak after traumatic brain injury through production of TIMP3. This image relates to a paper that appeared in the Nov. 21, 2012, issue of Science Translational Medicine, published by AAAS. The paper, by T. Menge at Blood Systems Research Institute in San Francisco, Calif., and colleagues was titled, "Mesenchymal Stem Cells Regulate Blood-Brain Barrier Integrity Through TIMP3 Release After Traumatic Brain Injury." Credit Graphic Artist Scott Holmes Usage Restrictions Please cite the owner of the image when publishing. This image may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.