Yohei Nishikawa

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BACKGROUND Retinoic acid-inducible gene-I (RIG-I) is a cytoplasmic protein that recognizes viral double-stranded RNA to induce the type I interferon (IFN) response. In human keratinocytes, RIG-I is induced by IFN-γ and tumor necrosis factor-α stimulation, and is abundantly expressed in psoriatic keratinocytes of the spinous and basal layers. OBJECTIVE(More)
The palmoplantar keratodermas (PPKs) are a large group of genodermatoses comprising nearly 60 genetically distinct diseases. They are characterized by hyperkeratosis on the palms and soles with or without extrapalmoplantar hyperkeratotic lesions. Focal PPK is one of the hallmarks of pachyonychia congenita, a rare autosomal dominant disorder resulting from(More)
BACKGROUND Eccrine poromas are relatively common slow-growing benign solitary adnexal tumors originating from the intraepidermal portion of the eccrine sweat duct (acrosyringium). Dystrophic calcification is rarely found in lesions of eccrine poroma, and only 2 cases of eccrine poroma with calcification have been reported thus far. In the present report, we(More)
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