Cited by 28Oral microbiology and periodontitis researchOral and gingival health researchMicrobial infections and disease research

Effects of glucose on formation of cytotoxic end‐products and proteolytic activity of Prevotella intermedia, Prevotella nigrescens and Porphyromonas gingivalis

Saito, Kaoru, Takahashi, Nobuhiro, Horiuchi, Hiroshi, Yamada, Tadashi·2001·Journal of Periodontal Research

Abstract

Black-pigmented bacteria which produce cytotoxic metabolic end-products and cell membrane-associated proteases have been reported to play an important role in the pathogenesis of periodontal diseases. These bacterial virulence factors can be modified by the environmental conditions including nutrients supplied variously into the oral cavity. Although glucose is one of the most essential nutrients for oral bacteria, the exogenous supply of glucose may be discontinuous and the glucose concentration in a periodontal pocket may be influenced by the depth of the periodontal pocket. Therefore, effects of glucose as an environmental factor on the virulence factors of Prevotella intermedia, Prevotella nigrescens and Porphyromonas in the presence o glucose.,bo t P. intermedia and P. nigrescens markedly decreased the production of cytotoxic end-products including succinate.,isobutyrate,isovalerate and ammonia, although their growth was increased. Furthermore, the proteolytic activities such as immunoglobulin- albumin- and casein-degrading activities of these bacteria were decreased in the presence of glucose. On the other hand, no effect of glucose on the metabolic activity of P gingivalis was observed. These results suggest that pathogenicity of P. intermedia P. nigrescens may be decreased by the presence of glucose.

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Crossref · 10.1034/j.1600-0765.2001.360602.x

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Authors
Saito, K., Takahashi, N., Horiuchi, H., & Yamada, T.
Affiliations
Tohoku University (JP)
Corresponding author
Saito, Kaoru
Venue
Journal of Periodontal Research
Publisher
Wiley
Published
2001-12
Volume
36
Issue
6
Pages
355-360
ISSN
  • 0022-3484 (ISSN-L)
  • 1600-0765
OpenAlex
W2160544471
Cited by
28
References
0
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2022: 3 · 2021: 1 · 2020: 3 · 2018: 1 · 2017: 3 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
0.88
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Periodontal Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Inamori Foundation
Topics
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
  • Health Sciences › Health Professions › Pharmacy › Oral and gingival health research
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
Keywords
glucose, Prevotella intermedia, Prevotella nigrescens, Porphyromonas gingivalis, bacterial virulence factors, periodontal disease pathogenesis, succinic acid, isobutyrate, isovalerate, ammonia, immunoglobulin degradation, casein degradation, albumin degradation, probing depth
MeSH terms
Ammonia, Bacterial Proteins, Fatty Acids, Volatile, Glucose, Hydrolysis, Endopeptidases, Virulence, Porphyromonas gingivalis, Prevotella

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