1 23 Infection A Journal of Infectious Disease ISSN 0300-8126 Volume 42 Number 6 Infection (2014) 42:951-959 DOI 10.1007/s15010-014-0666-5 Intestinal barrier dysfunction in HIV infection: pathophysiology, clinical implications and potential therapies S. F. Assimakopoulos, D. Dimitropoulou, M. Marangos & C. A. Gogos