Effects of Oral Administration of Bovine Lactoferrin on Periodontitis Patients
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- KONDO Ichiro
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences:Kondo Dental Clinic
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- KOBAYASHI Tetsuo
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences:General Dentistry and Clinical Education Unit, Niigata University Medical and Dental Hospital
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- WAKABAYASHI Hiroyuki
- Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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- YAMAUCHI Koji
- Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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- IWATSUKI Keiji
- Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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- YOSHIE Hiromasa
- Division of Periodontology, Department of Oral Biological Science, Niigata University Graduate School of Medical and Dental Sciences
Bibliographic Information
- Other Title
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- 歯周炎患者におけるウシラクトフェリン経口投与の影響
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Description
Lactoferrin (LF) is an iron-binding protein that is present in milk, and has a number of biological functions, including antimicrobial effects. In the present study, we evaluated the clinical, bacteriological, and biochemical changes that occur as a result of oral administration of bovine lactoferrin (bLF)-containing tablets, which were supplied by Morinaga Milk Industry, in periodontitis patients. After informed consent was obtained, 18 patients with mild chronic periodontitis were randomly selected for oral administration of tablets containing bLF (test group, 8 patients), or placebo tablets (control group, 10 patients). Oral administration of the two tablets was done three times a day for 3 months in a double-blind condition. The following measurements were recorded before and 1 week, 1 month and 3 months after the start of administration : 1) clinical periodontal conditions; 2) number of total bacteria, Porphyromonas gingivalis, and Prevotella intermedia in the subgingival plaque and saliva, as assessed by a quantitative polymerase chain reaction; 3) levels of human LF (hLF) and bLF in the gingival crevicular fluid (GCF) and saliva, as determined by a sandwich enzyme-linked immunsorbent assay; and 4) levels of endotoxin in GCF and saliva, as determined by a Limulus test. Differences in clinical, bacteriological, and biochemical changes between the two groups were assessed by the Mann-Whitney U test. No adverse effects were observed throughout the study period. In the test group, a significant reduction was seen in changes in the number of total bacteria (after 1 month), P. gingivalis (after 1 and 3 months), and P. intermedia (after 1 week) in the subgingival plaque, as compared to the control group. We also found a significant difference in GCF and saliva levels of bLF, but not in clinical measurements, saliva levels of bacteria, nor GCF and saliva levels of hLF and endotoxin between the two groups. Furthermore, a trend toward a reduction in GCF levels of hLF was observed in test group. This is the first report showing the antibacterial effects of orally administered bLF on subgingival flora in periodontitis patients, which might be partly supported by the relatively sufficient GCF levels of bLF. These results suggest that the antibacterial and food-component properties of oral bLF may contribute to the promotion of periodontal health.
Journal
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- The Japanese Journal of Conservative Dentistry
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The Japanese Journal of Conservative Dentistry 51 (3), 281-291, 2008
The Japanese Society of Conservative Dentistry
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Details 詳細情報について
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- CRID
- 1390282680498258688
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- NII Article ID
- 110007151243
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- NII Book ID
- AN00191201
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- ISSN
- 21880808
- 03872343
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed