کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8716108 | 1587878 | 2018 | 29 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Microbe-Dependent Induction of IL-9 by CLA+ T Cells in Psoriasis and Relationship with IL-17A
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کلمات کلیدی
ASOCLASEBT helper type Human leukocyte antigen - آنتی ژن لوسکسی انسانcutaneous lymphocyte-associated antigen - آنتی ژن مرتبط با لنفوسیت های پوستیHLA - آنتیژن گلبول سفید انسانیPASI - بعد ازDendritic cell - سلول دندریتیکPsoriasis Area Severity Index - شاخص شدت بیماری پسوریازیسCandida albicans - کاندیدا آلبیکنس
موضوعات مرتبط
علوم پزشکی و سلامت
پزشکی و دندانپزشکی
امراض پوستی
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چکیده انگلیسی
IL-9 is present in psoriatic lesions and is produced by lymphocytes. However, it is not known whether this cytokine is induced by relevant pathogenic triggers of psoriasis, such as Streptococcus pyogenes. Here we addressed the production of IL-9 in response to various pathogens in a psoriatic ex vivo model. Extracts of S. pyogenes and Candida albicans triggered the production of IL-9 and also IL-17A and IFN-γ. This induction was dependent on the interaction between CLA+ T cells and epidermal cells. Neutralization of IL-9 reduced S. pyogenes-induced IL-17A production by CLA+ T cells but had no effect on IFN-γ production. Also, IL-9 increased the survival of circulating psoriatic CLA+ T cells. Co-cultures from patients with guttate or plaque psoriasis with S. pyogenes produced similar amounts of IL-9. High cytokine responses in streptococcal-driven guttate patients paralleled peaks in Psoriasis Area Severity Index and anti-streptolysin O levels. Our results confirm that IL-9 promotes inflammation in psoriasis by up-regulating IL-17A production and support the clinical association of the immune response by streptococcal-sensitized CLA+ T cells with this cytokine, especially in guttate psoriasis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Investigative Dermatology - Volume 138, Issue 3, March 2018, Pages 580-587
Journal: Journal of Investigative Dermatology - Volume 138, Issue 3, March 2018, Pages 580-587
نویسندگان
Ester Ruiz-Romeu, Marta Ferran, Carmen de Jesús-Gil, Pablo GarcÃa, Marc Sagristà , J.M. Casanova, J.M. Fernández, Anca Chiriac, Péter Hóllo, Antonio Celada, Ramon M. Pujol, Luis F. Santamaria-BabÃ,