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J Neuroimmunol. 2004 Apr;149(1-2):130-41.

Production of hydroxyeicosatetraenoic acids and prostaglandins by a novel rat microglial cell line.

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  • 1Department of Pharmacology and Toxicology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA.

Abstract

We have established a clonal cell line derived from rat microglia that proliferates in response to macrophage-colony stimulating factor (CSF-1). Like primary neonatal microglia, these cells (named RTMGL1) exhibit a ramified morphology, bind isolectin B4, express CD68 and are weakly positive for CD11b and MHC class II. CSF-1-dependent proliferation requires intact signal transduction through several pathways. RTMGL1 synthesize multiple cyclooxygenase (COX) products including 11- and 15-hydroxyeicosatetraenoic acid (HETE) and express COX-2. RTMGL1 synthesize 5-HETE from arachidonic acid (AA) likely via a 5-lipoxygenase (LO). Thus, RTMGL1 have morphological and histological characteristics of primary microglia and metabolize AA via both COX and LO pathways.

PMID:
15020073
[PubMed - indexed for MEDLINE]
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