Mouse Anti-Bovine CD6 productsSearch results for: Mouse Anti-Bovine CD6
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Tissue distribution of CD6 and CD6 ligand in cattle: expression of the CD6 ligand (CD166) in the autonomic nervous system of cattle and the human.
We studied the tissue distribution of CD6(+) lymphocytes and cells expressing the CD6 ligand (also known as activated leukocyte cell adhesion molecule CD166) in calves by immunohistochemistry using an anti-bovine CD6 monoclonal antibody (mAb), a human CD6 (huCD6)-immunoglobulin G1 fusion protein (huCD6-Ig), and an anti-human CD166 (anti-huCD166) mAb. The huCD6-Ig and anti-huCD166 mAb bound to the sympathetic and parasympathetic nerve fibers but not to myelinated nerve fibers in the spinal nerve. Studies with human tissue using the anti-huCD166 mAb yielded identical patterns of labeling. Dense accumulations of CD6(+) lymphocytes were present in areas of the thymuses and spleens of calves, in areas innervated by huCD6-Ig(+) nerves. The cDNAs encoding the bovine CD166 and CD6 were isolated from the sympathetic ganglion and spleen, respectively. Predicted amino acid residues that are important for human and mouse CD6-CD166 binding were also conserved in bovine CD6 and CD166. Bovine CD166 transcripts were detected by reverse transcriptase-PCR in all the tissues that bound huCD6-Ig. These results show that the bovine orthologue of CD166 was constitutively expressed in the autonomic nervous systems of cattle and suggest that CD6(+) lymphocytes adhere to CD166(+) autonomic nerve terminals via CD6.A Konno, J S Ahn, H Kitamura, M J Hamilton, J A Gebe, A Aruffo, W C Davis
