Osteopontin Promotes Bone Destruction in Periapical Periodontitis by Activating the NF-κB Pathway

Abstract Background/Aims: Periapical periodontitis is caused by bacterial infection and results in both one destruction and tooth loss. Osteopontin (OPN) is a secreted phosphorylated glycoprotein that participates in bone metabolism. Methods: Thirty-three patients with chronic periapical periodontit...

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Veröffentlicht in:Cellular physiology and biochemistry 2018-01, Vol.49 (3), p.884-898
Hauptverfasser: Dong, Ming, Yu, Xinxin, Chen, Wanfang, Guo, Zhenzhen, Sui, Linlin, Xu, Yuefei, Shang, Yuhong, Niu, Weidong, Kong, Ying
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container_issue 3
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container_title Cellular physiology and biochemistry
container_volume 49
creator Dong, Ming
Yu, Xinxin
Chen, Wanfang
Guo, Zhenzhen
Sui, Linlin
Xu, Yuefei
Shang, Yuhong
Niu, Weidong
Kong, Ying
description Abstract Background/Aims: Periapical periodontitis is caused by bacterial infection and results in both one destruction and tooth loss. Osteopontin (OPN) is a secreted phosphorylated glycoprotein that participates in bone metabolism. Methods: Thirty-three patients with chronic periapical periodontitis and 10 patients who had undergone the orthodontic removal of healthy tooth tissue (control) at the periodontal ligament were investigated, and an animal model of mouse periapical periodontitis was established for an in vivo analysis. The relationship between OPN and bone destruction during periapical periodontitis was analyzed. Osteoblasts and osteoclasts were cultured in vitro and treated with lipopolysaccharide. An inhibitor of NF-κB was used to pretreat the transfected cells. Results: OPN increased osteoclast proliferation and differentiation, but reduced osteoblasts proliferation and differentiation. OPN activated the NF-κB pathway during periapical periodontitis and accelerated the transfer and phosphorylation of P65 from the cytoplasm to the nucleus. Conclusion: This study demonstrated that OPN played important roles in the progression of periapical periodontitis, and a dual role in bone metabolism during periapical periodontitis, linking osteoclasts and osteoblasts. The underlying mechanism may be related to the NF-κB pathway.
doi_str_mv 10.1159/000493219
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Osteopontin (OPN) is a secreted phosphorylated glycoprotein that participates in bone metabolism. Methods: Thirty-three patients with chronic periapical periodontitis and 10 patients who had undergone the orthodontic removal of healthy tooth tissue (control) at the periodontal ligament were investigated, and an animal model of mouse periapical periodontitis was established for an in vivo analysis. The relationship between OPN and bone destruction during periapical periodontitis was analyzed. Osteoblasts and osteoclasts were cultured in vitro and treated with lipopolysaccharide. An inhibitor of NF-κB was used to pretreat the transfected cells. Results: OPN increased osteoclast proliferation and differentiation, but reduced osteoblasts proliferation and differentiation. OPN activated the NF-κB pathway during periapical periodontitis and accelerated the transfer and phosphorylation of P65 from the cytoplasm to the nucleus. Conclusion: This study demonstrated that OPN played important roles in the progression of periapical periodontitis, and a dual role in bone metabolism during periapical periodontitis, linking osteoclasts and osteoblasts. The underlying mechanism may be related to the NF-κB pathway.</description><identifier>ISSN: 1015-8987</identifier><identifier>EISSN: 1421-9778</identifier><identifier>DOI: 10.1159/000493219</identifier><identifier>PMID: 30184545</identifier><language>eng</language><publisher>Basel, Switzerland: S. Karger AG</publisher><subject>Animal control ; Animals ; Bone absorption ; Cathepsin K - genetics ; Cathepsin K - metabolism ; Cell Differentiation - drug effects ; Cytokines ; Disease Models, Animal ; Gum disease ; Humans ; Interleukin-6 - genetics ; Interleukin-6 - metabolism ; Laboratories ; Lipopolysaccharides - pharmacology ; Male ; Mandible - diagnostic imaging ; Membranes ; Mice ; Mice, Inbred C57BL ; NF-kappa B - metabolism ; NF-κB ; Original Paper ; Osteopontin ; Osteopontin - antagonists &amp; inhibitors ; Osteopontin - genetics ; Osteopontin - metabolism ; Pathogenesis ; Patients ; Periapical periodontitis ; Periapical Periodontitis - diagnostic imaging ; Periapical Periodontitis - metabolism ; Periapical Periodontitis - pathology ; Periapical Tissue - diagnostic imaging ; Periapical Tissue - metabolism ; Periodontal Ligament - metabolism ; Proteins ; RAW 264.7 Cells ; RNA Interference ; RNA, Small Interfering - metabolism ; Signal Transduction ; Stem cells ; Teeth</subject><ispartof>Cellular physiology and biochemistry, 2018-01, Vol.49 (3), p.884-898</ispartof><rights>2018 The Author(s). 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Osteopontin (OPN) is a secreted phosphorylated glycoprotein that participates in bone metabolism. Methods: Thirty-three patients with chronic periapical periodontitis and 10 patients who had undergone the orthodontic removal of healthy tooth tissue (control) at the periodontal ligament were investigated, and an animal model of mouse periapical periodontitis was established for an in vivo analysis. The relationship between OPN and bone destruction during periapical periodontitis was analyzed. Osteoblasts and osteoclasts were cultured in vitro and treated with lipopolysaccharide. An inhibitor of NF-κB was used to pretreat the transfected cells. Results: OPN increased osteoclast proliferation and differentiation, but reduced osteoblasts proliferation and differentiation. OPN activated the NF-κB pathway during periapical periodontitis and accelerated the transfer and phosphorylation of P65 from the cytoplasm to the nucleus. 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inhibitors</topic><topic>Osteopontin - genetics</topic><topic>Osteopontin - metabolism</topic><topic>Pathogenesis</topic><topic>Patients</topic><topic>Periapical periodontitis</topic><topic>Periapical Periodontitis - diagnostic imaging</topic><topic>Periapical Periodontitis - metabolism</topic><topic>Periapical Periodontitis - pathology</topic><topic>Periapical Tissue - diagnostic imaging</topic><topic>Periapical Tissue - metabolism</topic><topic>Periodontal Ligament - metabolism</topic><topic>Proteins</topic><topic>RAW 264.7 Cells</topic><topic>RNA Interference</topic><topic>RNA, Small Interfering - metabolism</topic><topic>Signal Transduction</topic><topic>Stem cells</topic><topic>Teeth</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dong, Ming</creatorcontrib><creatorcontrib>Yu, Xinxin</creatorcontrib><creatorcontrib>Chen, Wanfang</creatorcontrib><creatorcontrib>Guo, Zhenzhen</creatorcontrib><creatorcontrib>Sui, Linlin</creatorcontrib><creatorcontrib>Xu, Yuefei</creatorcontrib><creatorcontrib>Shang, Yuhong</creatorcontrib><creatorcontrib>Niu, Weidong</creatorcontrib><creatorcontrib>Kong, Ying</creatorcontrib><collection>Karger Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>ProQuest Health &amp; 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Osteopontin (OPN) is a secreted phosphorylated glycoprotein that participates in bone metabolism. Methods: Thirty-three patients with chronic periapical periodontitis and 10 patients who had undergone the orthodontic removal of healthy tooth tissue (control) at the periodontal ligament were investigated, and an animal model of mouse periapical periodontitis was established for an in vivo analysis. The relationship between OPN and bone destruction during periapical periodontitis was analyzed. Osteoblasts and osteoclasts were cultured in vitro and treated with lipopolysaccharide. An inhibitor of NF-κB was used to pretreat the transfected cells. Results: OPN increased osteoclast proliferation and differentiation, but reduced osteoblasts proliferation and differentiation. OPN activated the NF-κB pathway during periapical periodontitis and accelerated the transfer and phosphorylation of P65 from the cytoplasm to the nucleus. 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subjects Animal control
Animals
Bone absorption
Cathepsin K - genetics
Cathepsin K - metabolism
Cell Differentiation - drug effects
Cytokines
Disease Models, Animal
Gum disease
Humans
Interleukin-6 - genetics
Interleukin-6 - metabolism
Laboratories
Lipopolysaccharides - pharmacology
Male
Mandible - diagnostic imaging
Membranes
Mice
Mice, Inbred C57BL
NF-kappa B - metabolism
NF-κB
Original Paper
Osteopontin
Osteopontin - antagonists & inhibitors
Osteopontin - genetics
Osteopontin - metabolism
Pathogenesis
Patients
Periapical periodontitis
Periapical Periodontitis - diagnostic imaging
Periapical Periodontitis - metabolism
Periapical Periodontitis - pathology
Periapical Tissue - diagnostic imaging
Periapical Tissue - metabolism
Periodontal Ligament - metabolism
Proteins
RAW 264.7 Cells
RNA Interference
RNA, Small Interfering - metabolism
Signal Transduction
Stem cells
Teeth
title Osteopontin Promotes Bone Destruction in Periapical Periodontitis by Activating the NF-κB Pathway
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