PMID- 16039904 OWN - NLM STAT- MEDLINE DCOM- 20060106 LR - 20071114 IS - 1471-4906 (Print) IS - 1471-4906 (Linking) VI - 26 IP - 9 DP - 2005 Sep TI - The ins and outs of T-lymphocyte trafficking to the CNS: anatomical sites and molecular mechanisms. PG - 485-95 AB - This review addresses current knowledge of the molecular trafficking signals involved in the migration of circulating leukocytes across the highly specialized blood-central nervous system (CNS) barriers during immunosurveillance and inflammation. In this regard, adhesion molecules and activating and chemotactic factors are also discussed and the regional variability in the brain and spinal cord parenchyma are also considered. Furthermore, direct passage into cerebrospinal fluid (CSF) is discussed, in the context of CNS immunosurveillance. The potential differences that characterize leukocyte entry into these varied anatomical sites are highlighted, with special emphasis on studies of the pathogenesis of multiple sclerosis and its animal models. An update on findings from clinical trials of natalizumab is also provided. FAU - Engelhardt, Britta AU - Engelhardt B AD - Theodor Kocher Institute, University of Bern, CH-3012 Bern, Switzerland. bengel@tki.unibe.ch FAU - Ransohoff, Richard M AU - Ransohoff RM LA - eng GR - NS32151/NS/NINDS NIH HHS/United States GR - NS36674/NS/NINDS NIH HHS/United States GR - NS38677/NS/NINDS NIH HHS/United States GR - TW6012/TW/FIC NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PT - Review PL - England TA - Trends Immunol JT - Trends in immunology JID - 100966032 SB - IM MH - Animals MH - Central Nervous System/anatomy & histology/*immunology MH - Humans MH - Models, Immunological MH - T-Lymphocytes/*immunology RF - 99 EDAT- 2005/07/26 09:00 MHDA- 2006/01/07 09:00 CRDT- 2005/07/26 09:00 PHST- 2005/03/29 00:00 [received] PHST- 2005/06/02 00:00 [revised] PHST- 2005/07/07 00:00 [accepted] PHST- 2005/07/26 09:00 [pubmed] PHST- 2006/01/07 09:00 [medline] PHST- 2005/07/26 09:00 [entrez] AID - S1471-4906(05)00183-3 [pii] AID - 10.1016/j.it.2005.07.004 [doi] PST - ppublish SO - Trends Immunol. 2005 Sep;26(9):485-95. doi: 10.1016/j.it.2005.07.004.