cells from hla-dr2+ individuals secreted significantly lower amounts of tnf alpha than cells from hla-dr2- donors [ 2 ng/ml ( 1.5-4.4 ) and 7.5 ng/ml ( 3.9-8.3 ) respectively ( medians 25-75 % ) ; p less than 0.01 ] .
C1327616
secreted
C0007634
cells