A culture model to analyze the acute biomaterial-dependent reaction of human primary macrophages

Nienke Grotenhuis, Y Bayon, Johan Lange, Gerjo van Osch, Yvonne Jenniskens

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Macrophages are important in foreign body reactions. We devised a culture model with human primary macrophages to evaluate the acute response of macrophages to biomaterials. First we selected proteins representative for pro-inflammatory (M1) or anti-inflammatory/repair (M2) response of monocytes isolated from blood of healthy human donors by exposing them to LPS+IFN gamma or IL-4. A relative M1/M2 index was calculated using IL-1 beta, IL-6, tumor necrosis factor (TNF)alpha, monocyte chemotactic protein (MCP)-3 and macrophage inflammatory protein (MIP)-1 alpha as M1 markers, and IL-1 receptor antagonist (IL-1RA), CCL18, regulated and normal T-cell expressed and secreted (RANTES), and macrophage-derived chemokine (MDC) as M2 markers. Then monocytes were cultured for 3 days on 4 materials selected for known different foreign body reactions: Permacol (TM), Parietex (TM) Composite, multifilament polyethylene terephthalate and multifilament polypropylene. Macrophages on polypropylene produced high levels of anti-inflammatory proteins with a low M1 M2 index. Macrophages on Parietex (TM) Composite produced high levels of inflammatory and anti-inflammatory proteins, with a high M1/M2 index. Macrophages on polyethylene terephthalate also resulted in a high M1/M2 index. Macrophages on Permacol (TM) produced a low amount of all proteins, with a low M1/M2 index. This model with human primary macrophages and the panel of read-out parameters can be used to evaluate the acute reaction of macrophages to biomaterials in vitro to get more insight in the foreign body reaction. (c) 2013 Elsevier Inc. All rights reserved.
Original languageUndefined/Unknown
Pages (from-to)115-120
Number of pages6
JournalBiochemical & Biophysical Research Communications
Issue number1
Publication statusPublished - 2013

Research programs

  • EMC OR-01-62-02
  • EMC OR-02-47-12

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