Tonicity‐responsive enhancer binding protein (TonEBP) regulates TNF‐α‐induced hypothalamic inflammation

Tonicity‐responsive enhancer binding protein (TonEBP) is a widely expressed transcription factor and is important in the regulation of inflammatory cytokines. Here, we have identified TonEBP expression in the hypothalamus, which is particularly high in proopiomelanocortin (POMC) neurons. TonEBP over...

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Veröffentlicht in:FEBS letters 2019-10, Vol.593 (19), p.2762-2770
Hauptverfasser: Kim, Han Rae, Kim, Dong Hee, Kim, Kwang Kon, Jeong, Bora, Kang, Dasol, Lee, Tae Hwan, Park, Jeong Woo, Kwon, Hyug Moo, Lee, Byung Ju
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container_end_page 2770
container_issue 19
container_start_page 2762
container_title FEBS letters
container_volume 593
creator Kim, Han Rae
Kim, Dong Hee
Kim, Kwang Kon
Jeong, Bora
Kang, Dasol
Lee, Tae Hwan
Park, Jeong Woo
Kwon, Hyug Moo
Lee, Byung Ju
description Tonicity‐responsive enhancer binding protein (TonEBP) is a widely expressed transcription factor and is important in the regulation of inflammatory cytokines. Here, we have identified TonEBP expression in the hypothalamus, which is particularly high in proopiomelanocortin (POMC) neurons. TonEBP overexpression stimulates POMC transcription, and TonEBP haploinsufficiency in TonEBP (+/−) mice results in a decrease in hypothalamic POMC expression. TonEBP (+/−) mice show reduced sickness responses, which include anorexia and hyperthermia, that are initially induced by tumor necrosis factor (TNF)‐α. TonEBP (+/−) mice also show lower levels of TNF‐α‐induced hypothalamic expression of POMC and pro‐inflammatory cytokines. These results suggest that TonEBP is an important molecular regulator in the development of inflammatory sickness responses through the control of POMC and pro‐inflammatory cytokine expression in the hypothalamus.
doi_str_mv 10.1002/1873-3468.13533
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source Wiley Free Content; Wiley Online Library - AutoHoldings Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection
subjects hypothalamus
inflammation
proopiomelanocortin
sickness responses
tonicity‐responsive enhancer binding protein
title Tonicity‐responsive enhancer binding protein (TonEBP) regulates TNF‐α‐induced hypothalamic inflammation
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