期刊
JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY
卷 43, 期 5, 页码 688-695出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.jcms.2015.03.014
关键词
Bisphosphonate; BP-ONJ; Geranylgeraniol; Isoprenoids; Keratinocytes; Osteonecrosis of the jaws
This in vitro study analyzed the influence of geranylgeraniol (GGOH) on human oral keratinocytes (HOK) after exposure to bisphosphonates. HOK were incubated with four different bisphosphonates (clodronate, ibandronate, pamidronate, zoledronate) in two experimental set-ups: with and without GGOH. MTT and PrestoBlue assays were used to analyze HOK cell viability. HOK migration ability was examined with Boyden and Scratch assays, and Tunel and ToxiLight assays were used to detect the HOK apoptosis rate. No significant differences between the experimental set-ups, with and without GGOH, could be found for clodronate (p each >0.3). For the nitrogen-containing bisphosphonates, negative effects could be shown in the experimental set-ups without GGOH in all assays. In the GGOH experimental set-ups, the levels of HOK cell viability were significantly increased (MU: p each <= 0.001; PrestoBlue: p each <= 0.012). The HOK migration ability was also greater (Boyden: p each <0.001; Scratch: p each <= 0.015). Regarding the apoptosis rate, reduced numbers of apoptotic HOK in the Tunel assay (p each <0.001) and decreased adenylate kinase release in the ToxiLight assay (p each <= 0.002) were observed. GGOH reversed the negative effects of bisphosphonates on HOK. These findings provide evidence that GGOH could be a promising treatment option for BP-ONJ. (C) 2015 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.
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