Ryugaku Jinja · Professor Archive
Public Professor Archive
Kazuhiro Shiozaki塩崎 一弘
Kagoshima University · Division of Fisheries Sciences, School of Agriculture, Fisheries and Veterinary Medicine · 教授
- Publications
- 4
- Projects
- 4
- Keywords
- 10
留学
神社Kagoshima University · Division of Fisheries Sciences, School of Agriculture, Fisheries and Veterinary Medicine · 教授
Research keywords高血圧・大腸・天然物・水産化学・糖タンパク・糖脂質・メダカ・メキシカンテトラ・ヒスタミン・ティラピア
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- Ishii M, Tsurusaki A, Komatsu M, Shiozaki K . Neu1-deficient zebrafish cells exhibit reduced Edwardsiella piscicida infection due to altered lysosomal exocytosis and membrane dynamics.2025 · 記述言語: 英語 掲載種別: 研究論文(学術雑誌) DOI: 10.1016/j.fsi.2025.110273 PubMed
- Sumomo Tsuji, Asami Ikeda, Yurina Kubo, Toshiki Hyodo, Mika Ishii, Masaharu Komatsu, Kazuhiro Shiozaki . Neu1 sialidase regulates heterospecific social interaction in zebrafish via D1 d2025 · 記述言語: 英語 掲載種別: 研究論文(学術雑誌) Neu1 sialidase catalyzes the removal of sialic acids from oligosaccharides and glycoproteins in lysosomes and plasma membranes. Recently, the association between Neu1 and psychiatric disorders, such as manic depression and schizophrenia, has attracted attention. neu1-/- zebrafish (Neu1-KO) exhibit low anxiety, low aggressiveness, and increased social interaction with unfamiliar conspecific and heterospecific groups; however, the underlying mechanisms of action remain unclear. This study investigated alterations in monoamine levels in the Neu1-KO zebrafish brain and their significance in the unique behavioral response toward heterospecifics. The dopamine (DA) and serotonin (5-HT) levels were significantly elevated in the brains of Neu1-KO zebrafish compared with those of wild-type (WT) zebrafish, accompanied by a decrease in noradrenaline (NE). Immunohistochemical (IHC) analysis revealed increased numbers of DA and 5-HT neurons in the Neu1-KO zebrafish brain. Behavioral analysis revealed that treatment with a D1 receptor antagonist significantly suppressed heterospecific interactions in Neu1-KO zebrafish, whereas treatment with D2 and 5-HT receptor antagonists did not. IHC showed that polysialic acid (PSA), a known regulator of DA neuronal function, was predominantly distributed in the hypothalamus of zebrafish, with markedly enhanced signals in Neu1-KO zebrafish. These findings elucidate the role of Neu1 sialidase in regulating social interaction behaviors via DA neuros, potentially as a mechanism for mitigating risks in social environments. DOI: 10.1016/j.bbagen.2025.130839 PubMed
- 山田 珠緒, 内匠 正太, 塩崎 一弘, 小松 正治 . 肝細胞特異的有機アニオントランスポーターOATP1B3がヒ素の細胞毒性に及ぼす影響 . 日本衛生学雑誌78 ( Suppl. ) S216 - S216 2023年3月 詳細を見る 記述言語2023 · 記述言語: 日本語 出版者・発行元: (一社)日本衛生学会
- Nishida T, Horita C, Imagawa M, Hibarino M, Tateno S, Kubo Y, Kawabe M, Morishita N, Endo S, Shiozaki K . Glucosyl hesperidin exhibits more potent anxiolytic activity than hesperidin ac2023 · 記述言語: 英語 DOI: 10.3389/fphar.2023.1213252 PubMed
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