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- Title
Persistent Release of IL-1s from Skin Is Associated with Systemic Cardio-Vascular Disease, Emaciation and Systemic Amyloidosis: The Potential of Anti-IL-1 Therapy for Systemic Inflammatory Diseases.
- Authors
Yamanaka, Keiichi; Nakanishi, Takehisa; Saito, Hiromitsu; Maruyama, Junko; Isoda, Kenichi; Yokochi, Ayumu; Imanaka-Yoshida, Kyoko; Tsuda, Kenshiro; Kakeda, Masato; Okamoto, Ryuji; Fujita, Satoshi; Iwakura, Yoichiro; Suzuki, Noboru; Ito, Masaaki; Maruyama, Kazuo; Gabazza, Esteban C.; Yoshida, Toshimichi; Shimaoka, Motomu; Mizutani, Hitoshi
- Abstract
The skin is an immune organ that contains innate and acquired immune systems and thus is able to respond to exogenous stimuli producing large amount of proinflammatory cytokines including IL-1 and IL-1 family members. The role of the epidermal IL-1 is not limited to initiation of local inflammatory responses, but also to induction of systemic inflammation. However, association of persistent release of IL-1 family members from severe skin inflammatory diseases such as psoriasis, epidermolysis bullosa, atopic dermatitis, blistering diseases and desmoglein-1 deficiency syndrome with diseases in systemic organs have not been so far assessed. Here, we showed the occurrence of severe systemic cardiovascular diseases and metabolic abnormalities including aberrant vascular wall remodeling with aortic stenosis, cardiomegaly, impaired limb and tail circulation, fatty tissue loss and systemic amyloid deposition in multiple organs with liver and kidney dysfunction in mouse models with severe dermatitis caused by persistent release of IL-1s from the skin. These morbid conditions were ameliorated by simultaneous administration of anti-IL-1α and IL-1β antibodies. These findings may explain the morbid association of arteriosclerosis, heart involvement, amyloidosis and cachexia in severe systemic skin diseases and systemic autoinflammatory diseases, and support the value of anti-IL-1 therapy for systemic inflammatory diseases.
- Subjects
INTERLEUKIN-1; CARDIOVASCULAR diseases; AMYLOIDOSIS; SKIN inflammation; NATURAL immunity; EPIDERMIS; AORTIC stenosis; THERAPEUTICS
- Publication
PLoS ONE, 2014, Vol 9, Issue 8, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0104479