The 48th Annual Meeting of the Molecular Biology Society of Japan
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Session Details

Symposium

[2AS-14]【E】Photobiology: Biological Responses to Visible Light and UV Radiation

Thu. Dec 4, 2025 9:00 AM - 11:00 AM JST
Thu. Dec 4, 2025 12:00 AM - 2:00 AM UTC
Room 14(Pacifico Yokohama Conference Center 4F, 419)
Organizer: Masaoki Kawasumi (University of Washington), Yu-Ying He (University of Chicago)
Photobiology is the study of the relationship between light and life. The biological effects of different wavelengths of light are diverse, and it is well known that UV-induced genetic mutations can lead to skin cancer development. Recent technological advances have elucidated various cellular responses to visible light and UV radiation (DNA damage and repair, oxidative stress, gene expression, photoreception, signal transduction, inflammation, immunity, and effects on the cell cycle) at the molecular level. This symposium will present cutting-edge research on photobiology.
9:00 AM - 9:01 AM JST(12:00 AM - 12:01 AM UTC)

Introduction

9:01 AM - 9:18 AM JST(12:01 AM - 12:18 AM UTC)

[2AS-14-01]Transcriptional network for tetrachromatic visual cells development and opsin gene expression

○Yoshitaka Fukada1,2 (1. Tokyo Metropolitan Institute of Medical Science, 2. Department of Biological Sciences, School of Science, The University of Tokyo)
Comment()
9:18 AM - 9:35 AM JST(12:18 AM - 12:35 AM UTC)

[2AS-14-02]UV effects beyond skin deep

○Jin Ho Chung1 (1. Seoul National University College of Medicine, Seoul, Korea)
Comment()
9:35 AM - 9:52 AM JST(12:35 AM - 12:52 AM UTC)

[2AS-14-03]RNA modifications in UV stress response, tumorigenesis, and therapeutic resistance

○Yu-Ying He1 (1. University of Chicago)
Comment()
9:52 AM - 10:09 AM JST(12:52 AM - 1:09 AM UTC)

[2AS-14-04]Immediate caffeine suppresses UV-induced skin carcinogenesis and reduces UV-induced mutations in cancer-relevant genes

○Masaoki Kawasumi1,2, Takuma Uo2 (1. The Ohio State University, 2. University of Washington)
Comment()
10:09 AM - 10:26 AM JST(1:09 AM - 1:26 AM UTC)

[2AS-14-05]Induction of Regulatory T Cells in Skin and Lymph Nodes by Ultraviolet C (UVC)

○Yoshifumi Kanayama1, Akimichi Morita1 (1. Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate school of Medical Sciences)
Comment()
10:26 AM - 10:43 AM JST(1:26 AM - 1:43 AM UTC)

[2AS-14-06(2P-552)]A blue light receptor CRY1 regulates de novo shoot regeneration

○Min Li1, Hikaru Sato1, Takuya Sakamoto2, Yayoi Inui1, Kazunari Yamamoto1, Tomonao Matsushita3, Sachihiro Matsunaga1 (1. Dept. Integrated Biosci., Grad. Sch. Frontier Sci., Univ. Tokyo, 2. Dept. Sci., Fac. Sci., Kanagawa Univ., 3. Dept. Biological Sci., Grad. Sch. Sci., Kyoto Univ.)
Comment()
10:43 AM - 11:00 AM JST(1:43 AM - 2:00 AM UTC)

[2AS-14-07(2P-223)]Structural and Functional Analysis of KnChR: A Blue-shifted Channelrhodopsin

○Wang Z. Yuzhu1, Natsume Koki2, Tanaka Tatsuki1, Akasaka Hiroaki1, Sano K. Fumiya1, Hososhima Shoko2,3, Shihoya Wataru4, Tsunoda P. Satoshi2,3, Kandori Hideki2,3, Nureki Osamu1 (1. Graduate School of Science, The University of Tokyo, 2. Graduate School of Engineering, Nagoya Institute of Technology, 3. Opto Bio Technology Research Center, Nagoya Institute of Technology, 4. Keio University School of Medicine)
Comment()
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