The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats

Abstract When orthodontic forces are applied to teeth, bone remodeling, which consists of bone resorption and bone formation, occurs around the teeth. Transient receptor potential vanilloid 2 (TRPV2) is a cation channel expressed in various cell types that responds to various stimuli, including mech...

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Main Authors: Shohei Shigemi, Tadasu Sato, Mayuri Sakamoto, Takehiro Yajima, Takahiro Honda, Hiroka Tsumaki, Toru Deguchi, Hiroyuki Ichikawa, Tomohiro Fukunaga, Itaru Mizoguchi
Format: Article
Language:English
Published: Nature Portfolio 2023-08-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-41019-2
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author Shohei Shigemi
Tadasu Sato
Mayuri Sakamoto
Takehiro Yajima
Takahiro Honda
Hiroka Tsumaki
Toru Deguchi
Hiroyuki Ichikawa
Tomohiro Fukunaga
Itaru Mizoguchi
author_facet Shohei Shigemi
Tadasu Sato
Mayuri Sakamoto
Takehiro Yajima
Takahiro Honda
Hiroka Tsumaki
Toru Deguchi
Hiroyuki Ichikawa
Tomohiro Fukunaga
Itaru Mizoguchi
author_sort Shohei Shigemi
collection DOAJ
description Abstract When orthodontic forces are applied to teeth, bone remodeling, which consists of bone resorption and bone formation, occurs around the teeth. Transient receptor potential vanilloid 2 (TRPV2) is a cation channel expressed in various cell types that responds to various stimuli, including mechanical stress, and involved in calcium oscillations during the early stages of osteoclast differentiation. However, in vivo expression of TRPV2 in osteoclasts has not yet been reported, and temporo-spatial expression of TRPV2 during osteoclast differentiation is unclear. In this study, we examined the TRPV2 expression during experimental tooth movement and assessed the effect of TRPV2 on osteoclast differentiation. TRPV2 was detected on day 1 after experimental tooth movement on the compression side, and the number of TRPV2-expressing cells significantly increased on day 7. These TRPV2-expressing cells had a single, or multiple nuclei and were positive for TRAP activity. Consistent with these in vivo findings, in vitro experiments using RAW264.7 osteoclast progenitor cells showed that TRPV2 mRNA was increased at the early stage of osteoclast differentiation and maintained until the late stage. Furthermore, a TRPV2 channel selective antagonist significantly inhibited osteoclast differentiation. These findings suggest that TRPV2 may have a regulatory role in osteoclast differentiation during orthodontic tooth movement.
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spelling doaj.art-995393689b9448ed8811fa939ec4fa582023-11-26T12:54:31ZengNature PortfolioScientific Reports2045-23222023-08-0113111310.1038/s41598-023-41019-2The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in ratsShohei Shigemi0Tadasu Sato1Mayuri Sakamoto2Takehiro Yajima3Takahiro Honda4Hiroka Tsumaki5Toru Deguchi6Hiroyuki Ichikawa7Tomohiro Fukunaga8Itaru Mizoguchi9Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryDivision of Oral and Craniofacial Anatomy, Tohoku University Graduate School of DentistryDivision of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryDivision of Oral and Craniofacial Anatomy, Tohoku University Graduate School of DentistryDivision of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryDivision of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryDivision of Orthodontics and Prosthodontics, University of LouisvilleDivision of Oral and Craniofacial Anatomy, Tohoku University Graduate School of DentistryDivision of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryDivision of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of DentistryAbstract When orthodontic forces are applied to teeth, bone remodeling, which consists of bone resorption and bone formation, occurs around the teeth. Transient receptor potential vanilloid 2 (TRPV2) is a cation channel expressed in various cell types that responds to various stimuli, including mechanical stress, and involved in calcium oscillations during the early stages of osteoclast differentiation. However, in vivo expression of TRPV2 in osteoclasts has not yet been reported, and temporo-spatial expression of TRPV2 during osteoclast differentiation is unclear. In this study, we examined the TRPV2 expression during experimental tooth movement and assessed the effect of TRPV2 on osteoclast differentiation. TRPV2 was detected on day 1 after experimental tooth movement on the compression side, and the number of TRPV2-expressing cells significantly increased on day 7. These TRPV2-expressing cells had a single, or multiple nuclei and were positive for TRAP activity. Consistent with these in vivo findings, in vitro experiments using RAW264.7 osteoclast progenitor cells showed that TRPV2 mRNA was increased at the early stage of osteoclast differentiation and maintained until the late stage. Furthermore, a TRPV2 channel selective antagonist significantly inhibited osteoclast differentiation. These findings suggest that TRPV2 may have a regulatory role in osteoclast differentiation during orthodontic tooth movement.https://doi.org/10.1038/s41598-023-41019-2
spellingShingle Shohei Shigemi
Tadasu Sato
Mayuri Sakamoto
Takehiro Yajima
Takahiro Honda
Hiroka Tsumaki
Toru Deguchi
Hiroyuki Ichikawa
Tomohiro Fukunaga
Itaru Mizoguchi
The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
Scientific Reports
title The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
title_full The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
title_fullStr The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
title_full_unstemmed The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
title_short The role of TRPV2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
title_sort role of trpv2 as a regulator on the osteoclast differentiation during orthodontic tooth movement in rats
url https://doi.org/10.1038/s41598-023-41019-2
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