Merck
  • ATP spreads inflammation to other limbs through crosstalk between sensory neurons and interneurons.

ATP spreads inflammation to other limbs through crosstalk between sensory neurons and interneurons.

The Journal of experimental medicine (2022-05-18)
Rie Hasebe, Kaoru Murakami, Masaya Harada, Nada Halaka, Hiroshi Nakagawa, Fuminori Kawano, Yoshinobu Ohira, Tadafumi Kawamoto, Fiona E Yull, Timothy S Blackwell, Junko Nio-Kobayashi, Toshihiko Iwanaga, Masahiko Watanabe, Nobuhiro Watanabe, Harumi Hotta, Toshihide Yamashita, Daisuke Kamimura, Yuki Tanaka, Masaaki Murakami
摘要

Neural circuits between lesions are one mechanism through which local inflammation spreads to remote positions. Here, we show the inflammatory signal on one side of the joint is spread to the other side via sensory neuron-interneuron crosstalk, with ATP at the core. Surgical ablation or pharmacological inhibition of this neural pathway prevented inflammation development on the other side. Mechanistic analysis showed that ATP serves as both a neurotransmitter and an inflammation enhancer, thus acting as an intermediary between the local inflammation and neural pathway that induces inflammation on the other side. These results suggest blockade of this neural pathway, which is named the remote inflammation gateway reflex, may have therapeutic value for inflammatory diseases, particularly those, such as rheumatoid arthritis, in which inflammation spreads to remote positions.

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Sigma-Aldrich
Anti-phospho-NF-kappaB p65 (pSer276) antibody produced in rabbit, affinity isolated antibody