2012
DOI: 10.1111/exd.12030
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Quantification of Demodex folliculorum by PCR in rosacea and its relationship to skin innate immune activation

Abstract: The aim of this study is to quantify D. folliculorum colonisation in rosacea subtypes and age-matched controls and to determine the relationship between D. folliculorum load, rosacea subtype and skin innate immune system activation markers. We set up a multicentre, cross-sectional, prospective study in which 98 adults were included: 50 with facial rosacea, including 18 with erythematotelangiectatic rosacea (ETR), and 32 with papulopustular rosacea (PPR) and 48 age- and sex-matched healthy volunteers. Non-invas… Show more

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Cited by 187 publications
(202 citation statements)
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“…[30][31][32][33][34] As a result, many of the studies of therapies used to treat rosacea (eg tetracyclines, azelaic acid, ivermectin) especially with presence of papulopustular lesions, appear to affect inflammatory pathways/modes of action unrelated to an underlying bacterial trigger that appear to be operative in rosacea pathophysiology (eg inhibition of matrix metalloproteinases, downregulation of cathelicidin pathway, reduction in number of Demodex mites). [35][36][37][38][39][40][41][42][43] The large body of evidence supporting an inflammatory pathogenesis of rosacea that is not triggered by a bacterial etiology has led globally to rosacea management recommendations supporting that avoidance of an antibiotic effect whenever possible is favorable in order to reduce the emergence of antibiotic-resistant bacteria. [44][45][46][47] In their rosacea medical management guidelines, the American Acne & Rosacea Society stated the following: "The lack of data supporting a bacterial component definitively related to the pathogenesis of rosacea suggests overall that medical therapies which are anti-inflammatory in nature are best considered for initial treatment of rosacea, especially the inflammatory (papulopustular) subtype, with oral antibiotic agents used in cases that are poorly responsive to a reasonable trial of topical therapy and/or oral anti-inflammatory therapy".…”
Section: -29 (3) Management Of Rosacea Does Not Require An Antibiotmentioning
confidence: 99%
“…[30][31][32][33][34] As a result, many of the studies of therapies used to treat rosacea (eg tetracyclines, azelaic acid, ivermectin) especially with presence of papulopustular lesions, appear to affect inflammatory pathways/modes of action unrelated to an underlying bacterial trigger that appear to be operative in rosacea pathophysiology (eg inhibition of matrix metalloproteinases, downregulation of cathelicidin pathway, reduction in number of Demodex mites). [35][36][37][38][39][40][41][42][43] The large body of evidence supporting an inflammatory pathogenesis of rosacea that is not triggered by a bacterial etiology has led globally to rosacea management recommendations supporting that avoidance of an antibiotic effect whenever possible is favorable in order to reduce the emergence of antibiotic-resistant bacteria. [44][45][46][47] In their rosacea medical management guidelines, the American Acne & Rosacea Society stated the following: "The lack of data supporting a bacterial component definitively related to the pathogenesis of rosacea suggests overall that medical therapies which are anti-inflammatory in nature are best considered for initial treatment of rosacea, especially the inflammatory (papulopustular) subtype, with oral antibiotic agents used in cases that are poorly responsive to a reasonable trial of topical therapy and/or oral anti-inflammatory therapy".…”
Section: -29 (3) Management Of Rosacea Does Not Require An Antibiotmentioning
confidence: 99%
“…Nadaktywne receptory TLR 2 i NALP3 indukują kaskadę zapalną [13,17]. Stymulacja keratynocytów prowadzi do uwolnienia chemokin i cytokin zapalnych oraz pobudzenia angiogenezy poprzez produkcję czynników wzrostu naczyń i stymulowanej przez proteazę serynową katelicydyny [2,12].…”
Section: Demodexunclassified
“…Stwierdzono, że przeciwciała przeciwko DF są obecne głównie u osób dotkniętych AR (22-31% pacjentów) [20]. Uważa się, że występowanie powyżej 5 osobników w jednym mieszku włosowym ma znaczenie patogenetyczne, przy czym im więcej jest pasożytów, tym większy poziom aktywacji układu odpornościo-wego i nasilenie objawów AR [17]. Nużeniec ludzki jest uznawany za kofaktor reakcji zapalnej w organizmie, ponieważ ilość roztoczy koreluje z poziomem aktywacji układu immunologicznego [17].…”
Section: Nużeniec Ludzki I Bacillus Oleroniusunclassified
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