Yasunori Uchida on Muck Rack

Yasunori Uchida

As seen in: Nature
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Articles

A PI(3,5)P 2 /CHMP4B axis on lysosomes is essential for microautophagic degradation of STING

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By Tsumugi Shoji, Ayumi Shinojima, Takuma Kishimoto, Kanako Sato, Yasunori Uchida, Satoshi Kusumi, Daisuke Koga, Eiji Yamamoto, Yoshinori Hirano, Hirofumi Shibata, Kazushi Izawa, Takahiro Yasumi, Ryota Sato, Jun Nakayama, Shigeki Higashiyama, Junya Hasegawa, Hiroaki Kajiho, Takehiko Sasaki, Yoshihiko Kuchitsu, Tomohiko Taguchi, Nana Ikegami, Eisuke Yumoto, Ruri Shindo, Ryo Ogino
| Nature Verified
Abstract Stimulator of interferon genes (STING) is critical for the type I interferon responses to pathogen- or self-derived cytosolic DNA. STING signalling is terminated by ESCRT-driven lysosomal microautophagy. How STING is directly encapsulated by lysosomes has not yet been understood. Here we show that two lysosomal components, a phosphoinositide PI(3,5)P2 and CHMP4B (a subunit of ESCRT-III subcomplex) are essential for STING encapsulation by lysosomes.
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A non-toxic equinatoxin-II reveals the dynamics of sphingomyelin in the cytosolic leaflet of the plasma membrane

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By Toshiki Mori, Kojiro Mukai, Takahiro Niki, Yasunori Uchida
| biorxiv.org
Abstract Sphingomyelin (SM) is a major sphingolipid in mammalian cells. SM is enriched in the extracellular leaflet of the plasma membrane (PM). Besides this localization, recent electron microscopic and biochemical studies suggest the presence of SM in the cytosolic leaflet of the PM.
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