Normal Immunostaining Pattern for Aquaporin-5 in the Lesions of Palmoplantar Hyperhidrosis

Aquaporin-5 (AQP-5) is a water-transporting protein expressed in mammal sweat glands. It has been reported that the expression of AQP-5 is involved in sweating of mice, rats, and horses. However, the physiological function of human AQP-5 is still uncertain. In this report, we examined the expression...

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Main Authors: Kyoko Nakahigashi (Author), Takashi Nomura (Author), Yoshiki Miyachi (Author), Kenji Kabashima (Author)
Format: Book
Published: Karger Publishers, 2013-03-01T00:00:00Z.
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Summary:Aquaporin-5 (AQP-5) is a water-transporting protein expressed in mammal sweat glands. It has been reported that the expression of AQP-5 is involved in sweating of mice, rats, and horses. However, the physiological function of human AQP-5 is still uncertain. In this report, we examined the expression pattern of AQP-5 in the skin lesions of palmoplantar hyperhidrosis in patients with Nagashima-type palmoplantar hyperkeratosis (PPK). We found that there was no significant difference in AQP-5 expression in the palmoplantar skin of healthy subjects and patients with palmoplantar hyperhidrosis. Our findings suggest that a mechanism other than AQP-5 may be involved in the pathogenesis of hyperhidrosis in PPK.
Item Description:1662-6567
10.1159/000349908