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eISSN: 1643-3750

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Expression of NLPR3 in Psoriasis Is Associated with Enhancement of Interleukin-1β and Caspase-1

Fei Su, Yun Xia, Meng Huang, Liang Zhang, Liuqing Chen

(Department of Dermatology, Wuhan No. 1 Hospital, Wuhan, Hubei, China (mainland))

Med Sci Monit 2018; 24:7909-7913

DOI: 10.12659/MSM.911347


BACKGROUND: NLPR3 is an important gene that belongs to the family of NOD-like receptors and is thought to play an important role in psoriasis. The aim of the present study was to investigate the expression of NLRP3 in psoriasis biopsy samples and to assess the possible correlation of its expression with that of interleukin IL-1β and Caspase-1.
MATERIAL AND METHODS: The mRNA expression was checked by qRT-PCR. The expression of the proteins was checked by Western blotting. The distribution of the proteins was determined by immunohistochemistry.
RESULTS: The results of our study indicate that the expression of NLRP3 was significantly upregulated in all the psoriatic biopsy samples as indicated by qRT-PCR and Western blotting. The expression of NLRP3 in psoriatic samples was 3.5 to 4.3 times higher than the expression of NLRP3 in normal skin biopsy samples. Moreover, our results indicated that the expression levels of IL-1β were higher as compared to the normal skin biopsy samples. Relative to the expression of IL-1β in normal skin biopsy samples, the expression of IL-1b was about 2.7–4.6 times higher. Additionally, the expression of caspase-1 was considerably upregulated in the psoriatic samples. Caspase-1 gene expression was 2.2–3.4 times higher than in normal skin biopsy samples.
CONCLUSIONS: NLPR3 may prove to be an important therapeutic target for psoriasis.

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