Abstract:
:The aim of this study was to determine the effect of interleukin-10 (IL-10) on the gene expression of osteoclastogenic regulatory molecules in rat dental follicle cells. Interleukin-10 is an anti-inflammatory cytokine that inhibits alveolar bone resorption, but the molecular basis for this is unknown. Alveolar bone resorption is required for tooth eruption and the dental follicle functions to regulate the osteoclastogenesis needed for eruption. It does this by regulating its expression of receptor activator of nuclear factor-kappa B ligand (RANKL), colony-stimulating factor-1 (CSF-1), and osteoprotegerin (OPG). In this study, dental follicle cells were treated with IL-10, and the effect on gene expression of CSF-1, RANKL, and OPG was measured by reverse transcription-polymerase chain reaction (RT-PCR). Interleukin-10 enhanced the expression of OPG and down-regulated the expression of RANKL and CSF-1. Laser capture microdissection was carried out to detect IL-10 gene expression in the dental follicle. Knockdown of the IL-10 gene expression in the follicle cells was accomplished using a short interfering RNA (siRNA) targeting IL-10 mRNA. In these knockdowns, RANKL expression was increased and OPG expression was decreased. All of these results suggest that IL-10 inhibits bone resorption by up-regulating OPG expression while down-regulating expression of RANKL and CSF-1.
journal_name
Eur J Oral Scijournal_title
European journal of oral sciencesauthors
Liu D,Yao S,Wise GEdoi
10.1111/j.1600-0722.2006.00283.xsubject
Has Abstractpub_date
2006-02-01 00:00:00pages
42-9issue
1eissn
0909-8836issn
1600-0722pii
EOS283journal_volume
114pub_type
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journal_title:European journal of oral sciences
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journal_title:European journal of oral sciences
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abstract::Originally identified as the active components within osteoinductive extracts derived from bone, the BMPs now are known to include a large family of proteins within the TGF-beta superfamily of growth and differentiation factors. Members of the BMP family have been determined to be key signaling molecules in embryogene...
journal_title:European journal of oral sciences
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journal_title:European journal of oral sciences
pub_type: 杂志文章
doi:10.1034/j.1600-0722.2003.00007.x
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abstract::Granulocyte elastase was determined in the gingival crevicular fluid (GCF) of 18 periodontitis patients. They initially had similar severity of disease but had responded differently to 5-yr maintenance, 13 responders and 5 non-responders. A total of 102 sites were investigated and categorized as: i) consistently healt...
journal_title:European journal of oral sciences
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journal_title:European journal of oral sciences
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abstract::Fluoride is associated with a decrease in the incidence of dental caries, but excessive fluoride intake during tooth enamel formation can result in enamel fluorosis. Fluorosed enamel has increased porosity, which has been related to a delay in the removal of amelogenin proteins as the enamel matures. This delay in pro...
journal_title:European journal of oral sciences
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abstract::Ectopic tooth transplants are known to receive rich innervation of local neurons, but the precise location and structural features of neurites in the pulp and periodontal ligament (PDL) of such transplants are unclear. In this experiment, the molar tooth germs of rat embryos and incisors of young rats were subcutaneou...
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journal_title:European journal of oral sciences
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journal_title:European journal of oral sciences
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journal_title:European journal of oral sciences
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