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Koji Sayama

Explore the profile of Koji Sayama including associated specialties, affiliations and a list of published articles. Areas
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Articles 121
Citations 1826
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Recent Articles
11.
Fukui M, Shiraishi K, Yoshida S, Yatsuzuka K, Matsumoto T, Sayama K
Eur J Dermatol . 2022 Dec; 32(5):655-656. PMID: 36468741
No abstract available.
12.
Takeichi T, Ohno Y, Tanahashi K, Ito Y, Shiraishi K, Utsunomiya R, et al.
J Lipid Res . 2022 Nov; 63(12):100308. PMID: 36332686
Self-healing collodion baby (SHCB), also called "self-improving collodion baby", is a rare mild variant of autosomal recessive congenital ichthyosis and is defined as a collodion baby who shows the nearly...
13.
Miyake Y, Tanaka K, Nagata C, Furukawa S, Andoh A, Yokoyama T, et al.
Cytokine . 2022 May; 155:155901. PMID: 35567898
Background: The interleukin (IL)-23/Th17 pathway plays a critical role in ulcerative colitis (UC). The IL-12p40 subunit, which is shared by IL-23 and IL-12, is encoded by the IL12B gene. The...
14.
Dai X, Murakami M, Shiraishi K, Muto J, Tohyama M, Mori H, et al.
Eur J Immunol . 2022 Apr; 52(6):994-1005. PMID: 35411943
Various epidermal growth factor receptor (EGFR) ligands are highly expressed in the epidermis of psoriasis lesions, and abnormal EGFR activation appears to be involved in the pathogenesis of psoriasis. However,...
15.
Shiraishi K, Sayama K
Acta Derm Venereol . 2022 Mar; 102:adv00667. PMID: 35229164
No abstract available.
16.
Inoue K, Kawakami R, Murakami M, Nakayama T, Yamamoto S, Inoue K, et al.
J Mater Chem B . 2022 Feb; 10(10):1641-1649. PMID: 35194628
Herein, we discuss a new pyrene-based push-pull dye (PC) and our investigation of its photophysical properties and applicability to biological studies. The newly synthesized dye exhibits highly polarity-sensitive fluorescence over...
17.
Dai X, Muto J, Shiraishi K, Utsunomiya R, Mori H, Murakami M, et al.
J Invest Dermatol . 2022 Jan; 142(8):2100-2108.e5. PMID: 35065132
Atopic dermatitis (AD) is an inflammatory skin disease characterized by skin barrier dysfunction. Although T helper type 2 cytokines downregulate the expression of epidermal barrier proteins, the signaling mechanism underlying...
18.
Yatsuzuka K, Murakami M, Kuroo Y, Fukui M, Yoshida S, Muto J, et al.
J Dermatol . 2021 Dec; 49(4):454-458. PMID: 34862669
Generalized pustular psoriasis (GPP) is characterized by acute flare-ups induced by various factors, but few reports have described GPP onset or flare-up induced by vaccination. To our knowledge, only three...
19.
Yatsuzuka K, Murakami M, Yoshida S, Utsunomiya R, Watanabe T, Sayama K
J Dermatol . 2021 Dec; 49(4):e129-e130. PMID: 34854129
No abstract available.
20.
Nishikawa A, Tanaka K, Miyake Y, Nagata C, Furukawa S, Andoh A, et al.
J Gastroenterol Hepatol . 2021 Nov; 37(4):653-659. PMID: 34845747
Background And Aim: Although an inverse relationship between current smoking and the development of ulcerative colitis (UC) has been shown in North America and Europe, evidence is limited in Asian...