mRNA expression and protein secretion of MMP-9, TIMP-1 and -2 in PBMCs cultured for 19 h with or without LPS.

<p>Values, expressed as arbitrary units for mRNA expression and ng/ml for protein secretion, are given as median (inter-quartile range).</p><p>MMP-9, matrix metalloproteinase-9; TIMP-1 and -2, tissue inhibitor of matrix metalloproteinase-1 and -2.</p><p>* = P<0.05, vs 19-h culture, medium only.</p><p>*** = P<0.001, vs 19-h culture, medium only.