Die L, Yan P, Jun Jiang Z, Min Hua T, Cai W, Xing L. Glycogen synthase kinase-3 beta inhibitor suppresses Porphyromonas gingivalis lipopolysaccharide-induced CD40 expression by inhibiting nuclear factor-kappa B activation in mouse osteoblasts. Mol Immunol. 2012 Aug;52(1):38–49. doi: 10.1016/j.molimm.2012.04.005. PMID: 22580404.