Bone: the final frontier for Staphylococcus aureus penetration in chronic rhinosinusitis

被引：2

作者：

Pezato, Rogerio ^{[1
,3
]}

Bottura, Luciano ^{[2
]}

Santos, Rodrigo de Paula ^{[3
]}

Voegels, Richard Louis ^{[1
]}

Lacerda Bachi, Andre Luis ^{[4
]}

Gregorio, Luis Carlos ^{[3
]}

机构：

[1] Univ Sao Paulo, Dept Otorhinolaryngol, Sao Paulo, Brazil

[2] Sao Paulo State Mil Police, Mil Police Hosp, Sao Paulo, Brazil

[3] Fed Univ Sao Paulo Unifesp, Dept Otorhinolaryngol, Sao Paulo, Brazil

[4] Fed Univ Sao Paulo Unifesp, Dept Immunol, Sao Paulo, Brazil

来源：

JOURNAL OF OTOLARYNGOLOGY-HEAD & NECK SURGERY | 2013年 / 42卷

关键词：

Rhinosinusitis; Bone; Staphylococcus aureus; Airway; CHRONIC SINUSITIS; NASAL POLYPOSIS; SUPERANTIGENS; ENTEROTOXINS; TISSUE;

D O I：

10.1186/1916-0216-42-45

中图分类号：

R76 [耳鼻咽喉科学];

学科分类号：

100213 ;

摘要：

The superantigenic properties of Staphylococcus aureus have been implicated in increasing the inflammatory process in airway diseases. Local formation of IgE antibodies against staphylococcal enterotoxins by secondary lymphoid tissue in nasal polyps has been demonstrated. Staphylococcus aureus is known to colonize the nasal mucosa, and has been found invading the nasal submucosa and intracellularly. Objective: To evaluate the limits of Staphylococcus aureus invasion in the upper airway. Material and methods: Inferior turbinate samples from 3 patients without sinus disease, 6 ethmoid samples from patients with chronic rhinosinusitis with nasal polyposis, and 6 ethmoid samples from patients with chronic rhinosinusitis without nasal polyposis were studied. A fluorescein-labeled PNA probe against Staphylococcus aureus was used to test for the presence of the bacterium in bone (after decalcification) and mucosa. Results: We found Staphylococcus aureus invading the nasal submucosa in patients with nasal polyposis, but no cases of Staphylococcus aureus positivity in bone. In conclusion, we cannot support the hypothesis of nasal bone as a reservoir for Staphylococcus aureus, releasing massive amounts of staphylococcal enterotoxins and eliciting an inflammatory reaction, as occurs with the nasal mucosa.

引用

页数：5

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