Skip to main content
. 2015 Nov 26;5:85. doi: 10.3389/fcimb.2015.00085

Table 2.

In vitro consequences of Staphylococcus aureus/osteoblast interaction.

Cells Strains MOI Observations Author/Year
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of expression and release of IL-6 and IL-12 in infected osteoblasts Bost et al., 1999
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of expression and release of GM-CSF and G-CSF in infected osteoblasts Bost et al., 2000
MC3T3-E1 UAMS-1 250:1 Intracellular Staphylococcus aureus induces apoptosis of osteoblasts Tucker et al., 2000
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Induction of expression and release of TRAIL in infected osteoblasts Alexander et al., 2001
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of expression and release of MCP-1 in infected osteoblasts, but not IL-3 Bost et al., 2001
MNCOs, NHOs UAMS-1, 25:1, 75:1, 250:1 Increase of phosphorylation of ERK 1 and 2 and activation of c-jun in Staphylococcus aureus-infected osteoblasts Ellington et al., 2001
MG-63, NHOs Clinic 10:1, 1:1 Upregulation of expression and release of IL-8, IP-10, RANTES, MCP-1 in infected osteoblasts Wright and Friedland, 2002
MNCOs, NHOs UAMS-1 75:1, 250:1 Upregulation of expression and release of IP-10 in infected osteoblasts Gasper et al., 2002
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of expression of IL-1β and IL-18 in infected osteoblasts, but no release of the related proteins in spite of the presence of caspase I Marriott et al., 2002
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Expression of TRAIL in infected osteoblasts induces apoptosis and activation of caspase-8 Alexander et al., 2003
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of expression and production of CD40 in infected osteoblasts and mediation of cytokine induction Schrum et al., 2003b
MNCOs, NHOs UAMS-1 25:1, 75:1, 250:1 Upregulation of mRNA and surface expression of MHC II in infected osteoblasts Schrum et al., 2003a
MNCOs Bacterial DNA - Induction of osteoclastogenesis by ligation of bacterial DNA upon TLR-9 in osteoblasts Zou et al., 2003
MG-63, NHOs Clinic 10:1, 1:1 Effect of Th2 cytokines, PGE2 and dexamethasone on release and expression of RANTES, MCP-1, IP-10, IL-8 from infected osteoblasts Wright and Friedland, 2004
MNCOs UAMS-1 25:1, 75:1, 250:1 Stimulation of Nod1 and Nod2 by intracellular Staphylococcus aureus and related cytokine release Marriott et al., 2005
MNCOs, NHOs UAMS-1 125:1 Decrease of sensibility to antibiotics for intracellular established Staphylococcus aureus Ellington et al., 2006
MNCOs, NHOs UAMS-1, Lab 25:1, 75:1 Expression of TRAIL is observed in both infected and uninfected osteoblasts in infected cultures Reott et al., 2008
MNCOs, UAMS-1, Clinic 25:1, 75:1, 250:1 Upregulation of expression and production of RANK-L and production of PGE2 via COX-2 activation in infected osteoblasts Somayaji et al., 2008
hFOBs - Supernatant Up-regulation of the production of HBD-2 by osteoblasts challenged with Staphylococcus aureus supernatants Varoga et al., 2008
SaoS-2, NHOs - Supernatant Production of HBD-3 by osteoblasts via TLR2 after stimulation with Staphylococcus aureus supernantant Varoga et al., 2009
MNCOs UAMS-1 25:1, 75:1, 250:1 Modulation of osteoblast response to Staphylococcus aureus through NOD2 Chauhan and Marriott, 2010
SV40 hOBs UAMS-1 250:1 Release of MCP-1 and IL-6 in infected osteoblasts through NF-kB regulation Ning et al., 2010
SV40 hOBs UAMS-1 250:1 Necessity of attachment of Staphylococcus aureus to osteoblasts but not internalization for activation of NF-kB Ning et al., 2010
MNCOs, NHOs UAMS-1, Lab 25:1, 75:1, 250:1 Expression of TRAIL death receptors, DR4 and DR5, and decrease of OPG production in infected osteoblasts Young et al., 2011
MC3T3-E1 Lab - Induction of osteoblast apoptosis via Caspase-3 and expression of RANK-L thanks to the binding of SpA from Staphylococcus aureus to TNFR-1 of osteoblasts Claro et al., 2011
MC3T3-E1 Lab - Inhibition of the osteoblast proliferation, induction of the migration of pre-osteoclasts and osteoclastogenesis through SpA from Staphylococcus aureus Widaa et al., 2012
MC3T3-E1, SaoS-2 Clinic Supernatant Dose-dependent cytotoxicity of PSMα of Staphylococcus aureus on osteoblasts Cassat et al., 2013
MC3T3-E1 Lab - SpA binds to TNFR-1 which activates NF-kB and the release of IL-6 Claro et al., 2013
MC3T3-E1 Lab 100:1 PVL, SpA and Coa of Staphylococcus aureus induce apotosis and upregulate RANK-L expression in osteoblasts Jin et al., 2013
MG-63 Lab, clinic 100:1 Killing effect of PSMα secreted by intracellular Staphylococcus aureus on osteoblasts Rasigade et al., 2013
MC3T3-E1 Lab Supernatant Induction of production of MDB-14 (a murine ortholog HDB-3) by Staphylococcus aureus-infected osteoblasts through MAPK and NF-kB pathways Zhu et al., 2013
NHOs UAMS-1, clinic Biofilm supernatant Decrease of osteoblast viability, inhibition of osteogenic differentiation and increase of RANKL expression by osteoblasts by biofilm components of Staphylococcus aureus Sanchez et al., 2013
MC3T3-E1 Lab 100:1 Apoptosis and decrease of osteogenic differentiation in response to Staphylococcus aureus through TLR2 expression and JNK activation Chen et al., 2014
Primary osteoblasts Lab 20:1, 100:1, 500:1 Production of CCL2 and CXCL3 by osteoblasts following stimulation by Staphylococcus aureus Dapunt et al., 2014
MC3T3-E1 Lab 100:1 Expression of miR-24 was significantly down-regulated in Staphylococcus aureus-infected osteoblasts compared with untreated control cells. Overexpression of miR-24 could reduce the effects of Staphylococcus aureus Jin et al., 2015

MOI, Multiplicity of infection (number of bacteria per cell); MNCOs, Mouse neonate calvarial osteoblasts; NHOs, Normal human osteoblasts; MC3T3-E1, Mouse calvaria cell line; MG-63, Human osteosarcoma cell line; SaoS-2, Human osteosarcoma cell line; hFOBs, Human fetal osteoblastic cell line; SV40 hOBs, Human osteoblastic cell line; Lab, Laboratory strains of Staphylococcus aureus (purchased from ATCC, NCTC,… ); Clinic, Strain of Staphylococcus aureus isolated from osteomyelitic patients; UAMS-1, Most studied laboratory strain of Staphylococcus aureus in bone infection models.