Journal
JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION
Volume 101, Issue 2, Pages 201-207Publisher
WILEY
DOI: 10.1111/jpn.12547
Keywords
lipopolysaccharide; cytokine; interleukins; butyrate; terpinen-4-ol; hepatocytes; Kupffer cells
Funding
- Hungarian Ministry of Human Resources [9877-3/2015/FEKUT]
- Hungarian Scientific Research Fund (OTKA) [114033]
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As Kupffer cells are highly involved in the regulation of hepatic inflammatory response, the main goal of this study was to improve and to characterize a hepatocyte-Kupffer cell co-culture of pig origin for modelling endotoxin-induced hepatic inflammation and for testing the efficacy of potential anti-inflammatory substances. This monolayer co-culture was prepared from primary isolated swine hepatocytes and Kupffer cells in the ratio of 6: 1 and 2:1, mimicking different states of liver inflammation. The prepared cell cultures were characterized by immunohistochemical CD-68 detection. Lipopolysaccharide (LPS) challenge of both co-cultures resulted in elevated interleukin-8 (IL- 8) and that of 6:1 co-cultures in increased IL- 6 production with a higher extent than on hepatocyte monocultures, justifying the key role of Kupffer cells in pro-inflammatory cytokine production. LPSinduced IL- 8 production was successfully attenuated by concomitant application of both sodium butyrate and terpinen-4-ol on hepatocyte monocultures, but not on co-cultures, demonstrating the importance of the presence of Kupffer cells in cell cultures as inflammatory models. Based on these initial data, the applied porcine primary hepatocyte-Kupffer cell co-culture is suggested to be a proper tool for in vitro investigations on liver physiology and hepatic inflammation in pigs and can be used as a useful model mimicking in vivo conditions in veterinary research.
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