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Article citations


Sauk, J.J., Norris, K., Foster, R., Moehring, J. and Someman, M.J. (1988) Expression of Heat Stress Proteins by Human Periodontal Ligament Cells. Journal of Oral Pathology, 17, 496-499.

has been cited by the following article:

  • TITLE: The Interaction of Heat and Lipopolysaccharide on the Expression Levels of Receptor Activator of NF-κB Ligand and Osteoprotegerin in Human Periodontal Ligament Cells

    AUTHORS: Lan Zhang, Qinghua Zheng, Xuedong Zhou, Lu Tang, Qian Wang, Xiaoyu Li, Dingming Huang

    KEYWORDS: Heat, Lipopolysaccharide, OPG, Periodontal Ligament Fibroblasts, RANKL

    JOURNAL NAME: Open Journal of Stomatology, Vol.5 No.10, October 29, 2015

    ABSTRACT: Aim: To investigate the expression levels of receptor activator of NF-κB ligand (RANKL) and oste-oprotegerin (OPG) in human periodontal ligament fibroblasts when stimulated with heat in infective conditions. Methods: Periodontal ligament fibroblasts were subjected to various temperature increases for 5 min with or without 10 ng/mL lipopolysaccharide (LPS) and then maintained at 37℃ for 6 h. After that, the expression levels of RANKL and OPG were investigated using real-time RT-PCR and ELISA. As a positive or negative control, the cells were cultured at 37℃ with or without 10 ng/mL LPS. Data were analyzed using one-way ANOVA at a significant level of p = 0.05. Results: The mRNA expression levels of RANKL and OPG were both down-regulated when the cells were heated in infective conditions. The release of sRANKL was increased at low temperatures in such infection; while at high temperatures heat treatment down-regulated the release of sRANKL induced by LPS. The relative RANKL/OPG expression ratios were increased at low temperatures in infective conditions. Conclusions: The interactions between heat and LPS would affect the balance between RANKL and OPG in periodontal ligament fibroblasts when they were heated in infective conditions. Such infection may be the reason why bone resorption occurs in the local area after warm vertical compaction.