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 Indian J Med Microbiol  
 

Figure 3: Live P gingivalis increased IL-6 protein production by osteoblasts. Osteoblast cultures were either not infected or infected with live or heat-inactivated P gingivalis (107 bacteria), following which culture supernatants were collected and used to quantify IL-6. Culture medium was fi ltered through 0.22-m fi lters and the fi ltrate was used to determine the amount of secreted IL-6 using ELISA kits. Data are the means } SD of four separate experiments. The levels of signifi cance were determined by comparing the values obtained with the P gingivalis-infected culture and the noninfected cultures. *P < 0.01 when comparing live P gingivalis-infected with noninfected cultures. ..P < 0.01 when comparing live P gingivalis-infected and heat-inactivated P gingivalis-infected cultures

Figure 3: Live P gingivalis increased IL-6 protein production by osteoblasts. Osteoblast cultures were either not infected or infected with live or heat-inactivated P gingivalis (107 bacteria), following which culture supernatants were collected and used to quantify IL-6. Culture medium was fi ltered through 0.22-m fi lters and the fi ltrate was used to determine the amount of secreted IL-6 using ELISA kits. Data are the means } SD of four separate experiments. The levels of signifi cance were determined by comparing the values obtained with the P gingivalis-infected culture and the noninfected cultures. *P < 0.01 when comparing live P gingivalis-infected with noninfected cultures. ..P < 0.01 when comparing live P gingivalis-infected and
heat-inactivated P gingivalis-infected cultures