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Connective Tissue Growth Factor Neutralization Aggravates the Psoriasis Skin Lesion: The Analysis of Psoriasis Model Mice and Patients.

Connective Tissue Growth Factor Neutralization Aggravates the Psoriasis Skin Lesion: The Analysis of Psoriasis Model Mice and Patients.
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Hayakawa K, Ikeda K, Fujishiro M, Yoshida Y, Hirai T, Tsushima H, Miyashita T, Morimoto S, Suga Y, Takamori K, Ogawa H, Sekigawa I,


Hayakawa K, Ikeda K, Fujishiro M, Yoshida Y, Hirai T, Tsushima H, Miyashita T, Morimoto S, Suga Y, Takamori K, Ogawa H, Sekigawa I, (click to view)

Hayakawa K, Ikeda K, Fujishiro M, Yoshida Y, Hirai T, Tsushima H, Miyashita T, Morimoto S, Suga Y, Takamori K, Ogawa H, Sekigawa I,

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Annals of dermatology 2017 12 2630(1) 47-53 doi 10.5021/ad.2018.30.1.47
Abstract
Background
Connective tissue growth factor (CTGF) is a multifunctional cellular protein and playing a role as a central mediator in tissue remodeling and fibrosis. The physiological function of CTGF in psoriasis is unknown.

Objective
The purpose of this study was to investigate the function of CTGF in psoriasis using the established imiquimod (IMQ)-induced psoriasis murine model and psoriasis patients.

Methods
Anti-CTGF monoclonal antibody was applied to IMQ induced psoriasis mice and those skin were clinically, pathologically and immunologically analyzed. Additionally, CTGF expression was analyzes using skin samples and plasma from psoriasis patients.

Results
CTGF expression was observed in the dermis from both IMQ-induced psoriatic mice and psoriasis patients. CTGF inhibition using an anti-CTGF antibody slightly worsened IMQ-induced dermatitis. In addition, the increase of CTGF showed tendency to suppress the psoriatic dermatitis through inhibition of suprabasal cells proliferation and macrophage infiltration in the skin. CTGF was also detected significantly higher in plasma from psoriasis patients comparing with healthy control.

Conclusion
Our findings suggest that CTGF could contribute to the healing rather than the worsening of psoriasis skin lesions.

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