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Horm Metab Res 2004; 36(2): 116-118
DOI: 10.1055/s-2004-814221
Original Clinical
© Georg Thieme Verlag Stuttgart · New York

Prevalence of Periodontal Bacterial Infection in Non-obese Japanese Type 2 Diabetic Patients: Relationship with C-reactive Protein and Albuminuria

A.  Kuroe 1 , A.  Taniguchi 1 , A.  Sekiguchi 1 , M.  Ogura 1 , Y.  Murayama 2 , F.  Nishimura 2 , Y.  Iwamoto 2 , Y.  Seino 2 , S.  Nagasaka 3 , M.  Fukushima 4 , Y.  Soga 4 , Y.  Nakai 5
  • 1Division of Diabetes, Kansai-Denryoku Hospital, Osaka
  • 2Department of Pathophysiology/Periodontal Science, Okayama University Graduate School of Medicine and Dentistry, Okayama
  • 3Division of Endocrinology and Metabolism, Jichi Medical School, Tochigi
  • 4Department of Diabetes and Clinical Nutrition, Kyoto Graduate School of Medicine
  • 5College of Medical Technology, Kyoto University, Kyoto, Japan
Further Information

Publication History

Received 11 March 2003

Accepted after revision 24 July 2003

Publication Date:
05 March 2004 (online)

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Abstract

The aim of the present study was to investigate the relationship between periodontal bacteria infection (Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans, Prevotella intermedius) and C-reactive protein (CRP) and albuminuria in non-obese Japanese type 2 diabetic patients. One hundred and thirty-four non-obese Japanese type 2 diabetic patients without evidence of current acute illness including clinically significant acute infectious disease were enrolled into the study. The degree of periodontal bacterial infection was evaluated using IgG titer against Porphyromonas gingivalis, Actinobacillus actinomycetemcomitans, or Prevotella intermedius. The bacterial sonic extracts were used as antigens. High-sensitivity CRP (hCRP), glucose, glycosylated hemoglobin (HbA1c), and lipids were also measured after an overnight fast. Urinary albumin excretion rate as a ratio of urinary albumin and urinary creatinine was assessed in a morning spot urine sample using a commercial enzymatic immunoassay. The prevalence of Porphyromonas gingivalis infection was 52.2 % and that of Actinobacillus actinomycetemcomitans and Prevotella intermedius was 7.5 and 14.2 %, respectively. IgG titer against Porphyromonas gingivalis significantly correlated with CRP (r = 0.225, p < 0.001) and albuminuria (r = 0.185, p < 0.05), while IgG titer against Actinobacillus actinomycetemcomitans or Prevotella intermedius was not associated with either parameter. These results suggest that among periodontal bacteria, Porphyromonas gingivalis infection is associated with atherosclerosis in non-obese Japanese type 2 diabetic patients.

Key words

Porphyromonas gingivalis - CRP - Albuminuria - Diabetes - Atherosclerosis

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A. Taniguchi,M. D. 

Division of Diabetes · Kansai-Denryoku Hospital

2-1-7 Fukushima, Fukushima-ku · Osaka-city, Osaka 553-0003 · Japan

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Email: K-58403@kepco.co.jp

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