JP2 Genotype of Aggregatibacter actinomycetemcomitans in Caucasian Patients: A Presentation of Two Cases.

Stähli, Alexandra; Sculean, Anton; Eick, Sigrun (2020). JP2 Genotype of Aggregatibacter actinomycetemcomitans in Caucasian Patients: A Presentation of Two Cases. Pathogens, 9(3) MDPI AG 10.3390/pathogens9030178

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Aggregatibacter actinomycetemcomitans is a key pathogen that has been associated with periodontal disease. Its most important virulence factor is a leukotoxin capable of inactivating immune cells. The JP2 genotype of Aggregatibacter actinomycetemcomitans shows enhanced leukotoxic activity and is mostly present in individuals of North and West African origin with severe periodontitis. In this paper, two cases of Caucasians diagnosed with the JP2 genotype are presented. A 50-year-old female patient had three approximal sites with ≥ 6 mm clinical attachment loss (CAL) and eight sites with probing depth (PD) ≥ 5 mm. Microbiological diagnostics revealed A. actinomycetemcomitans JP2 genotype, but not Porphyromonas gingivalis. This JP2 genotype was highly leukotoxic to monocytic cells. The second case was a 55-year-old female patient with CAL of > 5 mm at all molars and PD of up to 12 mm. A. actinomycetemcomitans JP2 was identified, but not P. gingivalis. Her husband originated from North-Africa. In him, no A. actinomycetemcomitans was detected, but their 17-year-old daughter was diagnosed with periodontitis and was found to be positive for the JP2 genotype. Both patients were successfully treated with adjunctive antibiotics and the JP2 genotype was eliminated. In summary, here, the microbiological diagnosis was key for the treatment with adjunctive antibiotics.

Item Type:

Journal Article (Further Contribution)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > School of Dental Medicine, Periodontics Research
04 Faculty of Medicine > School of Dental Medicine > Department of Periodontology

UniBE Contributor:

Stähli, Alexandra Beatrice; Sculean, Anton and Eick, Sigrun

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2076-0817

Publisher:

MDPI AG

Language:

English

Submitter:

Doris Burri

Date Deposited:

15 Dec 2020 16:49

Last Modified:

15 Dec 2020 16:49

Publisher DOI:

10.3390/pathogens9030178

PubMed ID:

32121596

Uncontrolled Keywords:

JP2 clone of Aggregatibacter actinomycetemcomitans JP2 in Caucasian adjunctive antibiotics microbiological diagnosis periodontitis

BORIS DOI:

10.7892/boris.148692

URI:

https://boris.unibe.ch/id/eprint/148692

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