J
Junichi Kikuta
Researcher at Osaka University
Publications - 112
Citations - 3928
Junichi Kikuta is an academic researcher from Osaka University. The author has contributed to research in topics: Osteoclast & Bone resorption. The author has an hindex of 28, co-authored 100 publications receiving 2848 citations. Previous affiliations of Junichi Kikuta include Kindai University.
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Layer V cortical neurons require microglial support for survival during postnatal development
Masaki Ueno,Yuki Fujita,Tatsuhide Tanaka,Tatsuhide Tanaka,Yuka Nakamura,Junichi Kikuta,Masaru Ishii,Toshihide Yamashita +7 more
TL;DR: A neuron-glia interaction that is indispensable for network formation during a specific period in the developing brain is highlighted, with microglia-derived IGF1 as a trophic factor that maintained neuronal survival.
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Chemorepulsion by blood S1P regulates osteoclast precursor mobilization and bone remodeling in vivo
TL;DR: Chemotaxis and chemorepulsion of osteoclast precursors depends on S1P concentrations and expression of the receptors S1 PR1 and S1PR2, which act to regulate osteocline precursor localization.
Journal ArticleDOI
Cell competition with normal epithelial cells promotes apical extrusion of transformed cells through metabolic changes
Shunsuke Kon,Kojiro Ishibashi,Hiroto Katoh,Sho Kitamoto,Takanobu Shirai,Shinya Tanaka,Mihoko Kajita,Susumu Ishikawa,Hajime Yamauchi,Yuta Yako,Tomoko Kamasaki,Tomohiro Matsumoto,Hirotaka Watanabe,Riku Egami,Ayana Sasaki,Atsuko Nishikawa,Ikumi Kameda,Takeshi Maruyama,Rika Narumi,Tomoko Morita,Yoshiteru Sasaki,Ryosuke Enoki,Sato Honma,Hiromi Imamura,Masanobu Oshima,Tomoyoshi Soga,Jun-ichi Miyazaki,Michael R. Duchen,Jin Min Nam,Yasuhito Onodera,Shingo Yoshioka,Junichi Kikuta,Masaru Ishii,Masamichi Imajo,Eisuke Nishida,Yoichiro Fujioka,Yusuke Ohba,Toshiro Sato,Yasuyuki Fujita +38 more
TL;DR: It is shown that mitochondrial membrane potential is diminished in RasV12-transformed cells when they are surrounded by normal cells, which indicates that non-cell-autonomous metabolic modulation is a crucial regulator for cell competition, shedding light on the unexplored events at the initial stage of carcinogenesis.
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Dynamic visualization of RANKL and Th17-mediated osteoclast function
Junichi Kikuta,Yoh Wada,Toshiyuki Kowada,Ze Wang,Ge-Hong Sun-Wada,Ge-Hong Sun-Wada,Issei Nishiyama,Shin Mizukami,Nobuhiko Maiya,Hisataka Yasuda,Atsushi Kumanogoh,Kazuya Kikuchi,Ronald N. Germain,Masaru Ishii +13 more
TL;DR: It is shown that Th17 cells, a subset of RankL-expressing CD4+ T cells, could induce rapid N-to-R conversion of mature osteoclasts via cell-cell contact, suggesting a novel point of action in RANKL-mediated control of mature bone resorptive function.
Journal ArticleDOI
Filamin acts as a key regulator in epithelial defence against transformed cells
Mihoko Kajita,Kaoru Sugimura,Atsuko Ohoka,Jemima J. Burden,Hitomi Suganuma,Masaya Ikegawa,Takashi Shimada,Tetsuya Kitamura,Masanobu Shindoh,Susumu Ishikawa,Sayaka Yamamoto,Sayaka Saitoh,Yuta Yako,Ryosuke Takahashi,Takaharu Okajima,Junichi Kikuta,Yumiko Maijima,Masaru Ishii,Masazumi Tada,Yasuyuki Fujita +19 more
TL;DR: This is the first report demonstrating that normal epithelial cells recognize and actively eliminate neighbouring transformed cells and that filamin is a key mediator in the interaction between normal and transformed epithelium cells.