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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Leukocyte motility in response to neuropeptides is heparan sulfate proteoglycan dependent.

Activation of neuropeptide receptors on leukocytes induces chemotaxis. We determined in Boyden chambers with micropore filters, whether in human monocytes and lymphocytes this migratory response is heparan sulfate proteoglycan ( HSPG) dependent. Chemotaxis toward calcitonin gene-related peptide, secretoneurin, vasoactive intestinal peptide ( VIP), and substance P ( SP) was abolished by removal of heparan sulfate side chains from cell surface proteoglycans or by addition of anti-syndecan-4 antibodies. Inhibition of neuropeptide-induced chemotaxis by dimethyl sphingosine (DMS), an inhibitor of sphingosine kinase, indicates transactivation of the sphingosine-1-phosphate chemotaxis pathway which was previously identified as being syndecan-4-related. Data suggest that HSPGs are involved in neuropeptide-induced chemotaxis of leukocytes.[1]


  1. Leukocyte motility in response to neuropeptides is heparan sulfate proteoglycan dependent. Kaneider, N.C., Egger, P., Djanani, A.M., Wiedermann, C.J. Peptides (2003) [Pubmed]
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