“…The increased LFA-1 expression on MS-leukocytes was due either to an restricted CD4 + T lymphocytes have been found to be particularly capable of damaging the brain endoincrease in the cell number of a sub-population with high level of LFA-1 or to an increased LFA-1 intensity thelium 19 and of migrating through it. 20 In addition to a circulating origin, IFN-␥ and TNF have been identon both sub-populations. 16 Although increased expression of LFA-1 in some viral illnesses has been ified in MS brain.…”