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Injury to the central nervous system initiates an uncontrolled inflammatory response that results in both tissue repair and destruction. Here, we showed that, in rodents and humans, injury to the spinal cord triggered surface expression of CD95 ligand (CD95L, FasL) on peripheral blood myeloid cells. CD95L stimulation of CD95 on these cells activated phosphoinositide 3-kinase (PI3K) and metalloproteinase-9...
Mice with mutations in the gene encoding Fas ligand (FasL) develop lymphoproliferation and systemic autoimmune diseases. However, the cellular subset responsible for the prevention of autoimmunity in FasL-deficient mice remains undetermined. Here, we show that mice with FasL loss on either B or T cells had identical life span as littermates, and both genotypes developed signs of autoimmunity. In addition,...
Galectin-1, a polypeptidic factor that can have major effects on cell growth and apoptosis, was overexpressed in E. coli. This protein was purified to homogeneity by affinity chromatography on lactose coupled to divinylsulfone-activated agarose. The recombinant galectin-1 (rGAL1) was compared with the homologous protein purified from human brain tissue using two-dimensional electrophoresis on immobilized...
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