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Root resorption in streptozotocin-induced diabetic rats with ligature-induced periodontitis

Authors
 Ji-Hye Kim  ;  Dong-Eun Lee  ;  Jung-Chul Park  ;  Yoon Jae Kim  ;  Jeong-Heon Cha  ;  Eun-Jung Bak  ;  Yun-Jung Yoo 
Citation
 International Journal of Oral Biology, Vol.40(3) : 111-116, 2015 
Journal Title
 International Journal of Oral Biology 
ISSN
 1226-7155 
Issue Date
2015
Keywords
Diabetes Mellitus ; Odontoclasts ; Periodontitis ; Root Resorption
Abstract
To determine the effect of diabetes on root resorption in periodontitis, we investigated odontoclast formation and root resorption in diabetic rats with periodontitis. Odontoclast formation was observed in three groups of F344 rats: Controls (C) were normal rats without diabetes or periodontitis; the periodontitis (P) group had mandibular first molars to be ligatured; the periodontitis with diabetes (PD) group was intravenously administered streptozotocin (50 mg/kg) to induce diabetes and had mandibular first molars to be ligatured. On days 3, 10, and 20 after ligature, tumor necrosis factor (TNF)-α and receptor activator of nuclear factor-κB ligand (RANKL) expression, odontoclast formation, and root resorption areas were evaluated by immunohistochemistry, tartrate-resistant acid phosphatase staining, and hematoxylin and eosin staining, respectively. The PD group showed frequent urination, weight loss, and hyperglycemia. Numbers of TNF-α- and RANKL-positive cells were higher in the P and PD groups than in the C group. It was more prevalent in PD group on day 3. Odontoclast formation was greater in the P and PD groups than in the C group on days 3 and 10, then decreased to same level as the C group by day 20. Root resorption in the PD and P groups showed increases on days 3 and 10, respectively, compared to the C group. These results suggest that diabetes may transiently increase root resorption on day 3 with high expression of TNF-α and RANKL after periodontitis induction. This study could aid the understanding of root resorption in diabetic patients with periodontitis.
Files in This Item:
T201505033.pdf Download
DOI
10.11620/IJOB.2015.40.3.111
Appears in Collections:
5. Research Institutes (연구소) > Oral Cancer Research Institute (구강종양연구소) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Bak, Eun-Jung(박은정) ORCID logo https://orcid.org/0000-0002-7976-8594
Yoo, Yun Jung(유윤정) ORCID logo https://orcid.org/0000-0002-0045-9597
Lee, Dong Eun(이동은)
Cha, Jung Heon(차정헌) ORCID logo https://orcid.org/0000-0002-9385-2653
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/157012
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