Title |
Increased levels of palmitoylethanolamide and other bioactive lipid mediators and enhanced local mast cell proliferation in canine atopic dermatitis
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Published in |
BMC Veterinary Research, January 2014
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DOI | 10.1186/1746-6148-10-21 |
Pubmed ID | |
Authors |
Francesca Abramo, Luca Campora, Francesco Albanese, Maria Federica della Valle, Luigia Cristino, Stefania Petrosino, Vincenzo Di Marzo, Vincenzo Miragliotta |
Abstract |
Despite the precise pathogenesis of atopic dermatitis (AD) is unknown, an immune dysregulation that causes Th2-predominant inflammation and an intrinsic defect in skin barrier function are currently the two major hypotheses, according to the so-called outside-inside-outside model. Mast cells (MCs) are involved in AD both by releasing Th2 polarizing cytokines and generating pruritus symptoms through release of histamine and tryptase. A link between MCs and skin barrier defects was recently uncovered, with histamine being found to profoundly contribute to the skin barrier defects.Palmitoylethanolamide and related lipid mediators are endogenous bioactive compounds, considered to play a protective homeostatic role in many tissues: evidence collected so far shows that the anti-inflammatory effect of palmitoylethanolamide depends on the down-modulation of MC degranulation.Based on this background, the purpose of the present study was twofold: (a) to determine if the endogenous levels of palmitoylethanolamide and other bioactive lipid mediators are changed in the skin of AD dogs compared to healthy animals; (b) to examine if MC number is increased in the skin of AD dogs and, if so, whether it depends on MC in-situ proliferation. |
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Mendeley readers
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Student > Bachelor | 8 | 12% |
Researcher | 7 | 11% |
Student > Postgraduate | 7 | 11% |
Student > Master | 7 | 11% |
Other | 6 | 9% |
Other | 14 | 22% |
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Pharmacology, Toxicology and Pharmaceutical Science | 4 | 6% |
Other | 9 | 14% |
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