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Onishi H, Ro M, Suzuki T, Ishii M, Otsuka H, Yatabe K, Hayashi J, Tatsumi J, Shin K. Lysine-specific proteolytic activity responsible for forsythia detaching factor modification. Arch Oral Biol 2016; 71:24-30. [PMID: 27399273 DOI: 10.1016/j.archoralbio.2016.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 06/13/2016] [Accepted: 06/21/2016] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The objective of the present study was to clarify the lysine-specific proteolytic activity derived from periodontal pathogens responsible for Forsythia detaching factor (FDF) modification. DESIGN The activity responsible for FDF modification in Tannerella forsythia and Porphyromonas gingivalis were evaluated by colorimetric assay using Ac-Arg-Ala-Lys-p-nitroaniline as a substrate. FDF modification in T. forsythia and P. gingivalis were evaluated by Western blotting using recombinant FDF (rFDF) as a substrate. Furthermore, the activity in GCF of 20 patients with periodontitis and 10 healthy subjects was also evaluated by colorimetric assay. Bacteria in subgingival plaque were detected using polymerase chain reaction. RESULTS The activity of both bacteria in colorimetric assay were 21.35 unit (P. gingivalis) and 3.61 unit (T. forsythia), respectively. Western blot analysis revealed that P. gingivalis was found to efficiently degrade rFDF and T. forsythia partially cleaved rFDF. The activity in GCF from patients with periodontitis (clinically healthy sites: CH, deep bleeding sites: DB and deep non-bleeding sites: DNB) was significantly higher than those from healthy subjects (healthy sites: H). Among the patients with periodontitis, the activity from CH was significantly lower than those from DB and DNB. T. forsythia was detected in 68.4% of DNB, in 78.4% of DB and in none of CH. P. gingivalis was detected in 63.2% of DNB, in 84.0% of DB and in 10.5% of CH. No bacterium was detected in healthy subjects. CONCLUSION The lysine-specific proteolytic activity responsible for FDF modification correlates with the presence of major periodontal pathogens.
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Affiliation(s)
- Hidetomo Onishi
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan.
| | - Munehiko Ro
- Department of Periodontics, School of Dentistry, Loma Linda University, CA 92350, USA
| | - Takafumi Suzuki
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Makiko Ishii
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Hideharu Otsuka
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Kazuhiro Yatabe
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Joichiro Hayashi
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Junichi Tatsumi
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
| | - Kitetsu Shin
- Division of Periodontology, Department of Oral Biology & Tissue Engineering, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan
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Ardila CM, Olarte-Sossa M, Guzmán IC. Association between immunoglobulin G1 against Tannerella forsythia and reduction in the loss of attachment tissue. J Periodontal Implant Sci 2014; 44:274-9. [PMID: 25568807 PMCID: PMC4284375 DOI: 10.5051/jpis.2014.44.6.274] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 11/24/2014] [Indexed: 12/13/2022] Open
Affiliation(s)
- Carlos Martín Ardila
- Biomedical Stomatology Group, Universidad de Antioquia U de A, Medellín, Colombia
| | - Mariana Olarte-Sossa
- Biomedical Stomatology Group, Universidad de Antioquia U de A, Medellín, Colombia
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