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D-Pinitol Ameliorates Imiquimod-Induced PsoriasisLike Skin Inflammation in a Mouse Model via the NF-κB Pathway

D-Pinitol Ameliorates Imiquimod-Induced PsoriasisLike Skin Inflammation in a Mouse Model via the NF-κB Pathway

Jing Ma, Shijun Feng, Dongfang Ai, Yuan Liu, Xiufang Yang

J Environ Pathol Toxicol Oncol. 2019;38(3):285-295.

PMID: 31679314

Abstract:

Psoriasis is an autoregulated immune and inflammation-based skin disease affecting approximately 3-4% of the worldwide population. Pinitol, conservatively used in ayurvedic medicine, has been shown to disclose an antiinflammatory effect, hold back the T-helper cells, and postpone cardiovascular diseases. In the present study we aimed to reveal the effect of D-pinitol on imiquimod (IMQ)-induced psoriasis-like skin inflammation in a mouse model via the nuclear factor-κB (NF-κB) pathway genes. In the current study, we found that D-pinitol ameliorated the skin abrasion and abridged epithelial thickness, inflammation numbers, and collagen-occupied regions in IMQ-induced psoriasis-like mice. The same results (epithelial thickness, inflammation numbers, and collagen-occupied regions) we achieved in dorsal skin regions. In addition, D-pinitol modified the lipid profile and antioxidant enzyme levels, which means that the IMQ-induced group showed elevated malondialdehyde when compared to D-pinitol. Downregulated expression of glutathione, superoxide dismutase, and catalase in the IMQ-induced group was incomparable with D-pinitol, control, and standard group. Additionally, inflammatory and NF-kB pathway gene levels in the psoriatic mouse skin, which includes tumor necrosis factor-α, interleukin [IL]-6, IL-17A, IL-23,TRAF3, NIK, IKKα, and RelB, were dramatically increased or decreased by treatment with D-pinitol. Histological and morphometric studies disclose the efficiency of D-pinitol. Finally, we found that D-pinitol reserved the TRAF3, NIK, IKKα, and RelB in the psoriatic skin, signifying that it restrains the commencement of NF-κB signaling pathways. The present results suggest that D-pinitol could prove to have tremendous preventive potential against the treatment and prevention of inflammatory disease.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP10284636	D-Pinitol		10284-63-6	Price

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