Abstract:
:The secretion of calcitonin gene-related peptide (CGRP) and the chemokines KC and MIP-2 are increased in the animal models of endotoxemic and septic shock. We tested whether CGRP could modulate KC and MIP-2 secretion from different sources of macrophages after murine sepsis induced by cecal ligation and puncture (CLP). Macrophages were obtained from the peritoneal exudate and lung of female BALB/c mice 16 h after CLP and plated in culture with CGRP and/or LPS for 12 h. The results showed that peritoneal macrophage production of the chemokines (KC, MIP-2) and cytokines (TNF-alpha, IL-6) was markedly decreased in CLP mice. Alveolar macrophages did not display decreased cytokine/chemokines production after CLP. CGRP (0.1 nM-10 nM) partially reversed this decreased production of LPS-induced KC and MIP-2 from peritoneal macrophages. These results suggest that CGRP might be intimately involved in recruitment of neutrophils by promoting local production of the chemokines KC and MIP-2 in murine sepsis.
journal_name
Inflammationjournal_title
Inflammationauthors
Wang X,Ebong SJ,Call DR,Newcomb DE,Bolgos GR,Remick DGdoi
10.1023/a:1016515712344keywords:
subject
Has Abstractpub_date
2002-08-01 00:00:00pages
167-74issue
4eissn
0360-3997issn
1573-2576journal_volume
26pub_type
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