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Effects of Sub Minimal Inhibitory Concentration of Metronidazole and Penicillin on Morphology of Aggregatibacter actinomycetemcomitans: Scanning Electron Microscopy Observation

Kwon YW, Lee SY

Minimal inhibitory concentration (MIC) is the lowest concentration of antibiotics that inhibits the visible growth of bacteria. It has been reported that sub-MIC of antibiotics may result in morphological alterations,...
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Induction of osteoclastogenesis-inducing cytokines and invasion by alive Aggregatibacter actinomycetemcomitans in osteoblasts

Choi HK, Lee YS, Kim MY, Kim KD, Cha JH, Yoo YJ

Osteoblasts regulate osteoclastogenesis by production of various cytokines. Aggregatibacter(A) actinomycetemcomitans is one of periodontopathogens which invades gingival tissue. Therefore, clarifying the effect of alive A. actinomycetemcomitans on osteoblasts is important...
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The effect of Actinobacillus actinomycetemcomitans lipopolysaccharide on rat periodontal tissues

Kim CC, Cui DZ, Kim YJ

No abstract available.
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Cloning and protein expression of Actinobacillus actinomycetemcomitans cytolethal distending toxin subunit CdtA

Ko SY, Jeong DK, Ryu SH, Kim HS

No abstract available.
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Ursodeoxycholic Acid Inhibits Inflammatory Cytokine Expression in THP-1 Cells Infected with Aggregatibacter actinomycetemcomitans

Song Y, Kim S, Park MH, Na HS, Chung J

BACKGROUND: Periodontitis is an inflammatory disease characterized by the breakdown of tooth-supporting tissues, leading to tooth loss. Aggregatibacter actinomycetemcomitans are major etiologic bacterium causing aggressive periodontitis. Ursodeoxycholic acid (UDCA), a...
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Actinobacillus actinomycetemcomitans Indeces Apoptosis of Jurkat Cell Line Through the Cleavage of Poly (ADP-ribose) Polymerase

Lee SH, Seo SY, Jeong SJ, Yoo SH, Park SM, Jeong MH, Yee ST, Kim JM

  • KMID: 2099299
  • J Korean Soc Microbiol.
  • 1998 Oct;33(5):507-519.
No abstract available.
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Nuclear Factor-kappaB Dependent Induction of TNF-alpha and IL-1beta by the Aggregatibacter actinomycetemcomitans Lipopolysaccharide in RAW 264.7 Cells

Na HS, Jeong SY, Park MH, Kim S, Chung J

  • KMID: 1703487
  • Int J Oral Biol.
  • 2014 Mar;39(1):15-22.
Aggregatibacter actinomycetemcomitans is an important pathogen in the development of localized aggressive periodontitis. Lipopolysaccharide (LPS) is a virulent factor of periodontal pathogens that contributes to alveolar bone loss and connective...
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Influence of the Sonic Power Toothbrush on Reduction of Gingival inflammation and on the Amount of Interleukin-6, Prevotella intermedia and Actinobacillus actinomycetemcomitans in Periodontal Pocket

Hong JY, Chae GJ, Jung SW, Um YJ, Choi SH, Kim CK

No abstract available.
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Effect of Sub-Minimal Inhibitory Concentration Antibiotics on Morphology of Periodontal Pathogens

Kwon YW, Lee SY

  • KMID: 1737505
  • Int J Oral Biol.
  • 2014 Jun;39(2):115-120.
Minimal inhibitory concentration (MIC) is the lowest concentration of antibiotics that inhibits the visible growth of a microorganism. It has been reported that sub-MIC of antibiotics may result in morphological...
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Effect of Various Agents on Oral Bacterial Phagocytosis in THP-1 Cells

Song Y, Lee HA, Na HS, Chung J

Phagocytosis is a fundamental process in which phagocytes capture and ingest foreign particles including pathogenic bacteria. Several oral pathogens have anti-phagocytic strategies, which allow them to escape from and survive...
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The effect of photodynamic therapy on Aggregatibacter actinomycetemcomitans attached to surface-modified titanium

Cho K, Lee SY, Chang BS, Um HS, Lee JK

PURPOSE: The purpose of this study was to evaluate the effect of photodynamic therapy (PDT) using erythrosine and a green light emitting diode (LED) light source on biofilms of Aggregatibacter...
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A Case of Actinobacillus actinomycetemcomitans Bacteremia Associated with Permanent Pacemaker Lead Infection

Park HG, Choi SH, Koo DH, Bae JH, Lee CH, Kang HS, Jo JC, Kim YS, Woo JH, Choi SH

  • KMID: 1974544
  • Infect Chemother.
  • 2006 Aug;38(4):214-218.
A 73-year-old man was admitted for intermittent episodes of fever and chills for 3 months. He had been implanted with a permanent pacemaker to control tachy-bradycardia syndrome 7 months before...
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Antimicrobial Activity of Mulberry Leaf against Mutans Streptococci and Periodontopathogens

Park SN, Lim YK, Cho E, Jo E, Park PS, Kook JK

This study investigated the antimicrobial activity of methanol extract of mulberry leaf against 16 strains of mutans streptococci and four species of periodontopathogens: Porphyromonas gingivalis, Prevotella intermedia, Fusobacterium nucleatum, and...
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Identification of Antimicrobial Peptide Hexamers against Oral Pathogens through Rapid Screening of a Synthetic Combinatorial Peptide Library

Song JS, Cho KJ, Kim J, Kim JH

A positional scanning synthetic peptide combinatorial library (PS-SCL) was screened in order to identify antimicrobial peptides against the cariogenic oral bacteria, Streptococcus mutans. Activity against Streptococcus gordonii and Aggregatibacter actinomycetemcomitans...
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Humoral immune responses to periodontal pathogens in the elderly

Shet U, Oh HK, Chung HJ, Kim YJ, Kim OS, Lim HJ, Shin MH, Lee SW

PURPOSE: Elderly people are thought to be more susceptible to periodontal disease due to reduced immune function associated with aging. However, little information is available on the nature of immune...
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Antimicrobial Effect of Coptidis rhizome Extract against Mutans Streptococci and Periodontopathogens

Park SN, Lim YK, Kook JK

The purpose of the study was to investigate the antimicrobial activity of the methanol extract of Coptidis rhizome against the type strains of cariogenic bacteria, Streptococcus mutans and Streptococcus sobrinus,...
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The inhibitory effect of lactic acid bacteria to periodontal pathogens

Jeong HN, Oh JS, Kim YJ, Chung HJ

  • KMID: 2421339
  • J Korean Acad Periodontol.
  • 1999 Mar;29(1):265-276.
This study was performed to evaluate the effect of hydrogen peroxide-producing Lactobacillus acidophilus V-2Oonthe replication of periodontal pathogens, Actinobacillus actinomycetemcomitans and Porphyromonas gingivalis. When A. actinomycetemcomitam and P. gingivalis were...
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A periodontitis-associated multispecies model of an oral biofilm

Park JH, Lee JK, Um HS, Chang BS, Lee SY

PURPOSE: While single-species biofilms have been studied extensively, we know notably little regarding multispecies biofilms and their interactions. The purpose of this study was to develop and evaluate an in...
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In Vitro Antibacterial Effect of a Mouthrinse Containing CPC (Cetylpyridinium Chloride), NaF and UDCA(ursodeoxycholic acid) against Major Periodontopathogens

Kim CK, Choi BK, Yoo YJ, Kim SN, Seok JK, Kim MM

The antibacterial efficacy of a mouthrinse(Denta Gargle) containing CPC(cetylpyridinium chloride), NaF and UDCA(ursodeoxycholic acid), on major periodontopathogens, was in vitro examined and compared with that of Listerine by a broth...
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Comparison of serum amyloid A protein and C-reactive protein levels as inflammatory markers in periodontitis

Ardila CM, Guzman IC

PURPOSE: The purpose of this study was to compare serum amyloid A (SAA) protein levels with high-sensitive C-reactive protein (hs-CRP) levels as markers of systemic inflammation in patients with chronic...
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