Publications

Papers

• Correa-Gallegos D, Ye H, Dasgupta B, Sardogan A, Kadri S, Kandi R, Dai R, Lin Y, Kopplin R, Shenai-Shantaram D, Wannemacher J, Ichijo R, Jiang D, Strunz M, Ansari M, Angelidis I, Schiller HB, Voltz T, Machens HG, Rinkevich Y*. CD201⁺ fascia progenitors choreograph injury repair. Nature. 623(7988), 792-802 (2023). doi: 10.1038/s41586-023-06725-x. Epub 2023 Nov 15.
• Ichijo R*, Maki K, Kabata M, Murata T, Nagasaka A, Ishihara S, Haga H, Honda T, Adachi T, Yamamoto T, Toyoshima F*. Vasculature atrophy causes a stiffened microenvironment that augments epidermal stem cell differentiation in aged skin. Nat Aging. 2(7), 592-600 (2022) *co-corresponding author. doi: 10.1038/s43587-022-00244-6. Epub 2022 Jul 11.
• Ichijo R, Kabata M, Kidoya H, Muramatsu F, Ishibashi R, Abe K, Tsutsui K, Kubo H, Iizuka Y, Kitano S, Miyachi H, Kubota Y, Fujiwara H, Sada A, Yamamoto T, Toyoshima F. Vasculature-driven stem cell population coordinates tissue scaling in dynamic organs. Sci Adv. 7(7), eabd2575 (2021). doi: 10.1126/sciadv.abd2575. Print 2021 Feb.
• Murata T, Honda T, Egawa G, Yamamoto Y, Ichijo R, Toyoshima F, Dainichi T, Kabashima K. Transient elevation of cytoplasmic calcium ion concentration at a single cell level precedes morphological changes of epidermal keratinocytes during cornification. Sci Rep. 8(1), 6610 (2018). doi: 10.1038/s41598-018-24899-7.
• Ichijo R, Kobayashi H, Yoneda S, Iizuka Y, Kubo H, Matsumura S, Kitano S, Miyachi H, Honda T, Toyoshima F. Tbx3-dependent amplifying stem cell progeny drives interfollicular epidermal expansion during pregnancy and regeneration. Nat Commun. 8(1), 508 (2017). doi: 10.1038/s41467-017-00433-7.
• Ichijo R, Iizuka Y, Kubo H, Toyoshima F. Essential roles of Tbx3 in embryonic skin development during epidermal stratification. Genes Cells. 22(3), 284-292 (2017). doi: 10.1111/gtc.12476. Epub 2017 Feb 16.

Reviews

• Ichijo R. Cutting-Edge Skin Ageing Research on tissue stem cell. J Biochem. mvae022 (2024). doi: 10.1093/jb/mvae022.

Invited Talks

• “Vascular Regression Induced by Aging Leads to Epidermal Stem Cell Aging”, Ryo Ichijo, The 75th Annual Meeting of the Japan Society for Cell Biology, June 30, 2023
• “Understanding skin homeostasis from a unique perspective”, Ryo Ichijo, RIKEN Young Researchers’ Seminar, March 4, 2025
• “The Mechanism of Skin Homeostasis Focusing on Intercellular Communication”, Ryo Ichijo, The 47th Annual Meeting of the Molecular Biology Society of Japan, November 27, 2024
• “Vasculature atrophy causes a stiffened microenvironment that augments epidermal stem cell differentiation in aged skin”, Ryo Ichijo, The 29th East Asia Joint Symposium, October 25, 2023
• “Vasculature-driven stem cell population coordinates tissue scaling in dynamic organs”, Ryo Ichijo, The 27th East Asia Joint Symposium, October 28, 2021