ReferenceID 4327
Osmunda japonica Extract Suppresses Pro-Inflammatory Cytokines by Downregulating NF-κB Activation in Periodontal Ligament Fibroblasts Infected with Oral Pathogenic Bacteria
Int J Mol Sci
Periodontal diseases are caused by bacterial infection and may progress to chronic dental disease; severe inflammation may result in bone loss. Therefore, it is necessary to prevent bacterial infection or control inflamm
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- Reference Id
- 4327
- Evidence Id
- 20917
- Core Evidence Id
- 20917
- Source Reference Id
- 1926
- Herb2 Reference Id
- HBREF002723
- Subject Paper Key
- HERB007198_32244806
- Pubmed Id
- 32244806
- Doi
- 10.3390/ijms21072453
- Paper Title
- Osmunda japonica Extract Suppresses Pro-Inflammatory Cytokines by Downregulating NF-κB Activation in Periodontal Ligament Fibroblasts Infected with Oral Pathogenic Bacteria
- Paper Abstract
- Periodontal diseases are caused by bacterial infection and may progress to chronic dental disease; severe inflammation may result in bone loss. Therefore, it is necessary to prevent bacterial infection or control inflammation. Periodontal ligament fibroblasts (PDLFs) are responsible for the maintenance of tissue integrity and immune and inflammatory events in periodontal diseases. The formation of bacterial complexes by Fusobacterium nucleatum and Porphyromonas gingivalis is crucial in the pathogenesis of periodontal disease. F. nucleatum is a facultative anaerobic species, considered to be a key mediator of dental plaque maturation and aggregation of other oral bacteria. P. gingivalis is an obligate anaerobic species that induces gingival inflammation by secreting virulence factors. In this study, we investigated whether Osmunda japonica extract exerted anti-inflammatory effects in primary PDLFs stimulated by oral pathogens. PDLFs were stimulated with F. nucleatum or P. gingivalis. We showed that pro-inflammatory cytokine (IL-6 and IL-8) expression was induced by LPS or bacterial infection but decreased by treatment with O. japonica extract following bacterial infection. We found that the activation of NF-kappaB, a transcription factor for pro-inflammatory cytokines, was modulated by O. japonica extract. Thus, O. japonica extract has immunomodulatory activity that can be harnessed to control inflammation.
- Journal
- Int J Mol Sci
- Publish Year
- 2020
- Experiment Subject
- Experiment Type
- Cell Experiment
- Phenotype Related
- Bone Loss; Bacterial Infection; Gingival Inflammation; Inflammation; Chronic Dental Disease; Periodontal Diseases; Periodontal Disease; Periodontal Ligament
- Paper Title Cn
- Paper Title En
- Osmunda japonica Extract Suppresses Pro-Inflammatory Cytokines by Downregulating NF-κB Activation in Periodontal Ligament Fibroblasts Infected with Oral Pathogenic Bacteria
- Bilingual Status
- semi_complete