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

Symposium

[3AS-12]【J】Diverse molecular mechanisms supporting functions of the endoplasmic reticulum

Fri. Dec 5, 2025 9:00 AM - 11:00 AM JST
Fri. Dec 5, 2025 12:00 AM - 2:00 AM UTC
Room 12(Pacifico Yokohama Conference Center 4F, 416+417)
Organizer: Satoshi Ninagawa (Kobe University), Chika Tsutsumi (Kyoto Sangyo University)
The endoplasmic reticulum (ER), which synthesizes approximately one-third of all proteins, deals with newly synthesized "immature proteins" to "unrequired proteins" that need to be degraded. To achieve this, it relies on highly precise and diverse molecular mechanisms. This session aims to bring together young researchers at the forefront of the field to provide a platform for in-depth discussions on the molecular mechanisms of the ER from multifaceted perspectives.
9:00 AM - 9:03 AM JST(12:00 AM - 12:03 AM UTC)

Introduction

9:03 AM - 9:20 AM JST(12:03 AM - 12:20 AM UTC)

[3AS-12-01]Protein Quality Control Mechanisms Sustaining the Function of the Endoplasmic Reticulum

○Satoshi Ninagawa1 (1. KOBE Univ.)
Comment()
9:20 AM - 9:37 AM JST(12:20 AM - 12:37 AM UTC)

[3AS-12-02]Autoregulatory Phosphorylation of TANGO1 and Sec16 Controls the Formation of Functional ER Exit Sites

○Miharu Maeda1, Masashi Arakawa1, Masaki Wakabayashi2, Yukie Komatsu1, Saito Kota1 (1. Akita Univ., 2. NCVC)
Comment()
9:37 AM - 9:52 AM JST(12:37 AM - 12:52 AM UTC)

[3AS-12-03]Discovery of an Atypical Transport Pathway of the ER Sensor ATF6

○Shota Wada1, Nishimura Tamako2, Shiro Suetsugu2,3,4, Ryo Ushioda1,5 (1. Kyoto Sangyo Univ., 2. Nara Institute of Science and Technology, Division of Biological Science, 3. Nara Institute of Science and Technology, Data Science Center, 4. Nara Institute of Science and Technology, Center for Digital Green-innovation, 5. Institute for Protein Dynamics, Kyoto Sangyo Univ.)
Comment()
9:52 AM - 10:09 AM JST(12:52 AM - 1:09 AM UTC)

[3AS-12-04]Cluster formation of HRD1 facilitates substrate retrotranslocation in ERAD

○Keisuke Mochida1,2, Kenichi Umeda3, Hitoshi Nakatogawa1, Noriyuki Kodera3, Motomasa Tanaka2 (1. Institute of Science Tokyo, 2. Riken Center for Brain Science, 3. Kanazawa Univ)
Comment()
10:09 AM - 10:24 AM JST(1:09 AM - 1:24 AM UTC)

[3AS-12-05(3P-251)]Identification of a membrane-spanning degron governing CFTR ER quality control

○Yuka Kamada1, Saori Kato1, Kenta Kashiwagi1, Tsukasa Okiyoneda1 (1. Dept. of Biomed. Sci., Sch. of Biol. and Env. Sci., Kwansei Gakuin Univ.)
Comment()
10:24 AM - 10:41 AM JST(1:24 AM - 1:41 AM UTC)

[3AS-12-06]Quality Control of Endoplasmic Reticulum Membrane Proteins

○Haruka Chino1, Joao A Paulo1, Sichen Shao1 (1. Harvard Medical School)
Comment()
10:41 AM - 10:58 AM JST(1:41 AM - 1:58 AM UTC)

[3AS-12-07]Quality control of membrane proteins by the ER-localized factor PCYOX1

○Yuki Hayashi1,2, Kento Hagiya1, Noboru Mizushima2 (1. Lab. of Cell Signal., Grad. Sch. of Pharm. Sci., Univ. of Tokyo, 2. Dept. of Biochem. and Mol. Biol., Grad. Sch. of Med., Univ. of Tokyo)
Comment()
10:58 AM - 11:00 AM JST(1:58 AM - 2:00 AM UTC)

Conclusion

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