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OX2 (CD200) is a broadly expressed membrane glycoprotein, shown here to be important for regulation of the macrophage lineage. In mice lacking CD200, macrophage lineage cells, including brain microglia, exhibited an activated phenotype and were more numerous. Upon facial nerve transection, damaged CD200-deficient neurons elicited an accelerated microglial(More)
Antigenic or mitogenic stimulation of T cells induces the secretion of an array of protein hormones that regulate immune responses. Molecular cloning has contributed strongly to our present understanding of the nature of this regulation. A complementary DNA (cDNA) library prepared from a cloned concanavalin A-activated mouse T-helper cell line was screened(More)
cDNA library subtraction techniques were used to identify transcripts expressed by activated mouse alphabetaTCR+ CD4-CD8- (double-negative; DN) T cells, a subset of natural killer T (NKT) cells. The most frequent cDNAs identified included the chemokines TCA3, macrophage inflammatory protein-1alpha (MIP-1alpha), MIP-1beta, and lymphotactin (LPTN), the(More)
The hnmp-1 (hematopoietic neural membrane protein) gene encodes a protein with striking similarity to the tetra-transmembrane-spanning protein encoded by pmp22. hnmp-1 was cloned from an elutriated human monocyte library and is expressed in various human hematopoietic and lymphoid lineages as well as adult mouse spleen and thymus. In the mouse nervous(More)
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