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      Urinary levels of monocyte chemoattractant protein-1 (MCP-1) and interleukin-8 (IL-8), and renal injuries in patients with type 2 diabetic nephropathy

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          Most cited references 17

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          Properties of the novel proinflammatory supergene "intercrine" cytokine family.

          A family consisting of at least ten distinct novel 8-10 kd cytokines has been identified over the past 12 years. These cytokines exhibit from 20 to 45% homology in amino acid sequence, are probably all basic heparin-binding polypeptides, and have proinflammatory and reparative activities. The cDNA for these cytokines are characterized by conserved single open reading frames, typical signal sequences in the 5' region, and AT rich sequences in the 3' untranslated regions. Those human cytokines known as interleukin 8, platelet factor 4, beta thromboglobulin, IP-10 and melanoma growth stimulating factor or GRO can be assigned to a subfamily based on their location on chromosome 4 and unique structural features, whereas the second subset consisting of LD78, ACT-2, I-309, RANTES, and macrophage chemotactic and activating factor (MCAF) are all closely linked on human chromosome 17. In this review we have summarized and discussed the available information concerning the regulation and structure of the genes, the structure and biochemical properties of the polypeptide products, their receptors, signal transduction, cell sources, and in vitro as well as in vivo activities of these cytokines.
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            lnterleukin-8 and Related Chemotactic Cytokines—CXC and CC Chemokines

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              Up-regulation of monocyte chemoattractant protein-1 in tubulointerstitial lesions of human diabetic nephropathy.

              We previously described that monocyte chemoattractant protein-1 (MCP-1) plays an important role in progressive glomerular and interstitial damage in inflammatory renal diseases. However, the expression of MCP-1 in diabetic nephropathy remains to be investigated. We examined whether locally expressed MCP-1 participates in human diabetic nephropathy via recruiting and activating monocytes/macrophages (Mphi). Urinary and serum MCP-1 levels were measured by enzyme-linked immunosorbent assay in 45 patients with diabetic nephropathy. The presence of MCP-1 in diseased kidneys was determined by immunohistochemical and in situ hybridization analyses. Urinary MCP-1 levels were significantly elevated in patients with diabetic nephrotic syndrome and advanced tubulointerstitial lesions. Moreover, urinary levels of MCP-1 were well correlated with the number of CD68-positive infiltrating cells in the interstitium. In contrast, serum MCP-1 levels remained similar to those of healthy volunteers. Furthermore, we detected the MCP-1-positive cells in the interstitium of diabetic nephropathy via both immunohistochemical and in situ hybridization analyses. These observations suggest that locally produced MCP-1 may be involved in the development of advanced diabetic nephropathy, especially in the formation of tubulointerstitial lesions possibly through Mphi recruitment and activation. Moreover, up-regulation of MCP-1 may be a common pathway involved in the progressive tubulointerstitial damage in diabetic nephropathy as well as inflammatory renal diseases.
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                Author and article information

                Journal
                Journal of Clinical Laboratory Analysis
                J. Clin. Lab. Anal.
                Wiley
                0887-8013
                1098-2825
                2002
                2002
                January 08 2002
                : 16
                : 1
                : 1-4
                Article
                10.1002/jcla.2057
                © 2002
                Product
                Self URI (article page): http://doi.wiley.com/10.1002/jcla.2057

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