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MrgprC11 sensory neurons mediate glabrous skin itch

Proc Natl Acad Sci U S A. 2021-04; 
Haley R Steele, Yanyan Xing, Yuyan Zhu, Henry B Hilley, Katy Lawson, Yeseul Nho, Taylor Niehoff, Liang Han
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Proteins, Expression, Isolation and Analysis Bam8-22 (custom-synthesized by Genscript; 1 μM), and histamine (Sigma H7250; 20 μM). Three mice were used for the analysis of each pruritogen Get A Quote

摘要

Itch arising from glabrous skin (palms and soles) has attracted limited attention within the field due to the lack of methodology. This is despite glabrous itch arising from many medical conditions such as plantar and palmar psoriasis, dyshidrosis, and cholestasis. Therefore, we developed a mouse glabrous skin behavioral assay to investigate the contribution of three previously identified pruriceptive neurons in glabrous skin itch. Our results show that MrgprA3 and MrgprD neurons, although key mediators for hairy skin itch, do not play important roles in glabrous skin itch, demonstrating a mechanistic difference in itch sensation between hairy and glabrous skin. We found that MrgprC11 neurons are the major medi... More

关键词

Mrgprs, glabrous skin, itch
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