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

Role of the autocrine chemokines MIP-1alpha and MIP-1beta in the metastatic behavior of murine T cell lymphoma.

The ESb-MP T-cell line is a highly malignant murine lymphoma, which preferentially metastasizes toward the kidney. This could be a result of the local production of monocyte chemoattractant protein-1 (MCP-1) and regulated on activation, normal T expressed and secreted (RANTES), which are chemotactic for ESb-MP cells. Here, we demonstrate that ESb-MP cells are already responsive to the chemotactic activity of macrophage inflammatory protein-1alpha (MIP-1alpha) and MIP-1beta from 1 ng/ml onward. Moreover, upon stimulation with lipopolysaccharide (LPS) or virus, ESb-MP cells themselves produce significant amounts of MIP-1 ( approximately 200 ng/ml). Indeed, the major autocrine chemoattractants, isolated from ESb-MP cells, were intact MIP-1alpha and MIP-1beta. Pretreatment with LPS or addition of MIP-1 inhibited the in vitro migration of ESb-MP cells toward various chemokines. Moreover, compared with untreated lymphoma cells, LPS-treated cells produced significantly less metastasis in mice. The results represented here suggest that the role of chemokines in attracting tumor cells at secondary sites depends on a balance between autocrine-produced and tissue-derived chemokines. This delicate balance should be considered in the design of antichemokine strategies in different tumor types.[1]


  1. Role of the autocrine chemokines MIP-1alpha and MIP-1beta in the metastatic behavior of murine T cell lymphoma. Menten, P., Saccani, A., Dillen, C., Wuyts, A., Struyf, S., Proost, P., Mantovani, A., Wang, J.M., Van Damme, J. J. Leukoc. Biol. (2002) [Pubmed]
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