Journal of Oral Science Research ›› 2016, Vol. 32 ›› Issue (3): 211-215.DOI: 10.13701/j.cnki.kqyxyj.2016.03.001

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Impact of Fusobacterium Nucleatum and Porphyromonas Gingivalis Modulation on the Cell Cycle and Cytokines Production of KB Cells.

WANG Qing-xuan, LIU Jun-chao, PAN Ya-ping*   

  1. School of Stomatology, China Medical University, Shenyang 110002, China
  • Received:2015-11-19 Online:2016-03-28 Published:2016-03-29

Abstract: Objective: To investigate the effects of P. gingivalis/F. nucleatum on the cell cycle and cytokines production of KB cells.Methods: In vitro models were established with KB cells co-cultured with P. gingivalis/F. nucleatum either alone or in combination. Transmission electron microscopy was used to observed invasive ability, the change of cell cycle of KB cells was detected by flow cytometry, and the production of interleukin-6 (IL-6) and interleukin-8 (IL-8) was analyzed by enzyme-linked immunoadsordent assay. Results: Eight-hour co-infection with P. gingivalis/F. nucleatum slowed the cell cycle of KB cells, while eight-hour co-infection accelerated the cell cycle. The production of IL-6 and IL-8 was significantly up-regulated after co-infection with P. gingivalis/F. nucleatum in a time dependent and F. nucleatum density related manner. Conclusion: Combination of oral pathogens can stimulate tumorigenesis and inflammation response in OSCC.

Key words: Fusobacterium nucleatum , Porphyromonas gingivalis , Cytokines , Cell cycle, KB cells

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